Abrégé

A piping member (1, 23) having a flange structure comprising a tubular part (3, 25) inserted and fitted to the end of any pipe and a disk-shaped flange (2, 24) extending in the circumferential direction from the tubular part. A through-hole (4) in the central part of the flange communicates with the interior of the tubular part, and seal members (5) are mounted in seal member grooves (6) formed in the outer circumferential surface of the tubular part. An annular spacer (26) is arranged on the surface of the flange on the tubular-part side of the flange, and through-holes (27) for insertion of a pushing rod for pressing the spacer are provided in the flange.

Classes IPC  ?

• F16L 23/02 - Raccords à brides les brides étant raccordées par des organes tendus axialement
• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux

Abrégé

　Provided are a propylene resin composition having excellent chemical resistance, strength, impact resistance, and heat resistance, and a molded article of the same, particularly a product selected from a piping material and a tank. A propylene resin composition having excellent chemical resistance and impact resistance, characterized by having as essential components: (A) 80-99 parts by mass of a propylene polymer having a weight-average molecular weight (Mw) of 250,000-1,500,000 and a melt flow rate (MFR) of 0.01-2.00 g/10 minutes measured in accordance with JIS K 7210; and (B) 1-20 parts by mass of at least one type of thermoplastic elastomer selected from styrene elastomers or olefin elastomers having an MFR value of 5.00 g/10 minutes or less (not including 0.00 g/10 minutes), an Mw of 10,000-1,000,000, a density of 0.85-0.95 g/cm3 measured in accordance with JIS K 7112, and a type A durometer hardness measurement value (Shore A) of 10-80 measured in accordance with JIS K 6253.

Classes IPC  ?

• C08L 23/10 - Homopolymères ou copolymères du propylène
• C08K 3/22 - OxydesHydroxydes de métaux
• C08L 23/08 - Copolymères de l'éthylène
• C08L 53/00 - Compositions contenant des copolymères séquencés possédant au moins une séquence d'un polymère obtenu par des réactions ne faisant intervenir que des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères

Abrégé

A molding material for a sliding member, the molding material being superior in processability and sliding properties, and a sliding member formed from the molding material for a sliding member are provided. The molding material for a sliding member contains a phenol resin, a boron compound, an elastomer and a filler. The elastomer preferably contains at least one selected from the group consisting of are acrylonitrile butadiene rubber, a urethane rubber and a silicone rubber, and more preferably an acrylonitrile butadiene rubber among them. The boron compound preferably contains at least one selected from the group consisting of boric acid, zinc borate and boron oxide, and the filler preferably contains a carbon fiber. Furthermore, the content of the elastomer with respect to 100 parts by mass of the carbon fiber is preferably no less than 5 parts by mass and no greater than 50 parts by mass.

Classes IPC  ?

• C08L 65/02 - Polyphénylènes
• C08L 9/02 - Copolymères avec l'acrylonitrile

Abrégé

　The purpose of the present invention is to provide a resin composition which enables the use of an easily and inexpensively obtainable resin and facilitates mass production, and with which it is possible to form a sliding member having excellent sliding properties including wear resistance. This sliding member resin composition includes a thermoplastic resin, graphite, and a boron-based compound. Said thermoplastic resin is preferably a polyphenylene sulfide, a polyamide, a polyether ether ketone, or a combination of these, and is more preferably a polyether ether ketone. The content of said boron-based compound is preferably between 0.2 to 5 parts by mass, inclusive, with respect to 100 parts by mass of said thermoplastic resin. At least one of the boron-based compound and graphite may be partially or entirely included in a resin powder that contains phenol resin and at least one of the boron-based compound and graphite. The maximum particle size of said resin powder is preferably 0.04 mm or less.

Classes IPC  ?

• C08L 101/00 - Compositions contenant des composés macromoléculaires non spécifiés
• C08K 3/04 - Carbone
• C08K 3/38 - Composés contenant du bore
• C08L 61/06 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols
• C08L 71/10 - Polyéthers dérivés de composés hydroxylés ou de leurs dérivés métalliques de phénols
• C08L 77/00 - Compositions contenant des polyamides obtenus par des réactions créant une liaison amide carboxylique dans la chaîne principaleCompositions contenant des dérivés de tels polymères
• C08L 81/02 - Polythio-éthersPolythioéther-polyéthers
• C08J 5/16 - Fabrication de matériaux ou d'objets à coefficient de friction réduit
• F16C 33/20 - Surface de glissement principalement constituée de matériaux plastiques

Abrégé

[Problem] To provide, in a header pipe joint for transporting fluid, a header pipe with improved workability with respect to setting the rotational angle of a branch part and fixing the angle thereof, and with improved fastening performance. [Solution] A header pipe joint having multiple branch parts arranged in a row, with one or more of the branch parts (9) in the side wall of a tubular main pipe part (11), and with one end of the main pipe body (11) having an insertion aperture (4) and the other end of the main pipe body (11) having a receiving aperture (3) to which an insertion aperture (4) can be connected, and the receiving aperture (3) and the insertion aperture (4) having a mechanism for adjusting the angle of the branch parts (9).

Classes IPC  ?

• F16L 41/03 - Ensembles de branchements, p. ex. d'une seule pièce, soudés à l'autogène, rivetés comportant des pièces d'assemblage pour quatre tuyaux ou plus
• F16L 27/08 - Raccords réglablesRaccords permettant un déplacement des parties raccordées permettant un réglage ou déplacement uniquement autour de l'axe de l'un des tuyaux
• F16L 41/08 - Raccordements des tuyaux aux parois ou à d'autres tuyaux, dans lesquels l'axe du tuyau est perpendiculaire au plan de la paroi ou à l'axe de l'autre tuyau
• F16L 47/02 - Raccords soudés à l'autogèneRaccords collés

Abrégé

The present invention pertains to an ultraviolet sterilization device comprising: a transfer pipe (2) having an inlet port (4) and an outlet port (5); and an ultraviolet light source (3) that causes ultraviolet rays to be incident to the transfer pipe. Fluid to be treated that is inside the transfer pipe is sterilized by the ultraviolet rays irradiated from the ultraviolet light source. At least the inner peripheral surface of the transfer pipe is formed from a material having a smaller refractive index than the refractive index of the fluid to be treated that flows through the transfer pipe. The ultraviolet rays irradiated on the fluid to be treated are irradiated so as to be completely reflected by the inner peripheral surface of the transfer pipe.

Classes IPC  ?

• C02F 1/32 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par irradiation par la lumière ultraviolette
• B01J 19/12 - Procédés utilisant l'application directe de l'énergie ondulatoire ou électrique, ou un rayonnement particulaireAppareils à cet usage utilisant des radiations électromagnétiques

Abrégé

Provided is a laminated molding method for a mold such that relatively easy formation is possible by means of a production machine, it is possible to effectively suppress the occurrence of odors, and nozzle clogging does not arise even during long-term use. A molded body (14) is obtained that is a laminated mold having a target 3D shape by means of laminating/integrating mold layers (12) formed sequentially by repeating a desired number of repetitions of a mold layer formation step such that coated sand (3) resulting from coating a refractory aggregate with a water-soluble binder is supplied onto a table (2) disposed within a vessel-shaped frame (1), the result is spread flat and thin in a manner so as to have a uniform thickness by means of an extension member (6) thus forming a sand layer (7), then the surface of the sand layer (7) is covered by a mask (8), an aqueous medium (11) is scattered by means of a mister (10) at portions to be hardened, and furthermore the portions of the sand layer (7) at which the aqueous medium (11) was scattered are heated by means of a heater (13), thus hardening/curing a mold layer (12) having a target shape.

Classes IPC  ?

• B22C 9/02 - Moules en sable ou moules analogues pour pièces coulées
• B22C 1/00 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules
• B22C 1/10 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par des additions pour applications particulières, p. ex. indicateurs, addition pour faciliter la destruction du moule pour influencer la tendance au durcissement du matériau du moule
• B22C 1/18 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents inorganiques
• B22C 1/22 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents organiques de résines naturelles ou synthétiques
• B22C 9/12 - Traitement des moules ou noyaux, p. ex. séchage, étuvage

Abrégé

　The present invention pertains to an ultraviolet sterilization device (1) for irradiating with ultraviolet light a fluid flowing through a flow passage (6) having an inlet opening (4) and an outlet opening (5), and sterilizing the fluid. The ultraviolet sterilization device is equipped with a light guide (2) formed to tubular shape, and having a flow passage inside, as well as having a light scattering means (8) on the outside peripheral surface, and an ultraviolet light source (3) arranged on the outside surface of the light guide, for irradiating the light guide with ultraviolet light. Ultraviolet light from the ultraviolet light source irradiating the light guide is scattered by the light scattering means, and irradiates the flow passage through the inside peripheral surface of the light guide.

Classes IPC  ?

• A61L 2/10 - Procédés ou appareils de désinfection ou de stérilisation de matériaux ou d'objets autres que les denrées alimentaires ou les lentilles de contactAccessoires à cet effet utilisant des phénomènes physiques des radiations des ultraviolets
• A61L 9/20 - Désinfection, stérilisation ou désodorisation de l'air utilisant des phénomènes physiques des radiations des ultraviolets
• B01J 19/12 - Procédés utilisant l'application directe de l'énergie ondulatoire ou électrique, ou un rayonnement particulaireAppareils à cet usage utilisant des radiations électromagnétiques
• C02F 1/32 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par irradiation par la lumière ultraviolette

Abrégé

The purpose of the present invention is to provide: a benzylic ether-type phenolic resin which has a higher carbon residue content than those in the conventional phenolic resins and enables the advantageous production of a carbide having a high density and high oxidation resistance; a resin composition which contains the benzylic ether-type phenolic resin; and a carbide and a binder for use in the production of a carbon product or a fire-resistant product, each of which is produced using the benzylic ether-type phenolic resin or the resin composition and has excellent properties. A benzylic ether-type phenolic resin having a rate of substitution at ortho-position of 70% or more, wherein the proportion of the ratio of benzylic ether bond substitution is 10.0 to 40.0% and the proportion of the ratio of methylol group substitution is 13.0 to 40.0% when the sum total of the ratio of methylene bond substitution, the ratio of benzylic ether bond substation and the ratio of methylol group substitution, each of which can be determined as a content ratio of a substituent per 1 mole of a phenol core, is 100%.

Classes IPC  ?

• C08G 8/08 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes de formaldéhyde, p. ex. de formaldéhyde formé in situ
• C04B 35/632 - Additifs organiques

Abrégé

The purpose of the present invention is to provide a resin slide bearing with excellent strength and sliding properties and capable of being used as a substitute for metal bearings. This slide bearing is provided with a cylindrical bearing body and slides in the axial direction. The bearing body is characterized in: being formed from a resin composition comprising a phenol resin and carbon fibers; the ratio of the minimum internal diameter of the bearing body with respect to the maximum wall thickness of the bearing body being 2 to 4.5; and the percentage of change in cross-sectional shape when the bearing body is placed on a horizontal surface and a load of 8.33 N/mm per unit length is applied downward from above over the entire length of the bearing body being 0.5% or less. The content of carbon fiber with respect to 100 parts by mass of the phenol resin in the resin composition is preferably 30 parts by mass to 150 parts by mass. It is preferable that the resin composition also comprises an elastomer.

Classes IPC  ?

• F16C 29/02 - Paliers à contact lisse
• F16C 17/02 - Paliers à contact lisse pour mouvement de rotation exclusivement pour charges radiales uniquement
• F16C 33/12 - Composition structuraleEmploi de matériaux spécifiés ou de traitement particulier des surfaces, p. ex. contre la rouille
• F16C 33/20 - Surface de glissement principalement constituée de matériaux plastiques
• F16C 33/74 - Dispositifs d'étanchéité pour paliers à contact lisse

Abrégé

The present invention relates to a fluid mixer having a fluid inlet (5), a first passage (1) which connects to the fluid inlet, a helical flow passage (2) which connects to the first flow passage, branched flow passages (4) which are branched from the helical flow passage, a second flow passage (3) to which the branched flow passages individually connect, a connection flow passage (7) which connects the first flow passage and the second flow passage, and a fluid outlet (6) which connects to the second flow passage. The branched flow passages are individually branched from different positions in the direction of flow through the helical flow passages. The branched flow passages which are branched from the helical flow passage individually connect to the second flow passage at different positions in the direction of flow through the second flow passage.

Classes IPC  ?

• B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides
• B01F 3/08 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de liquides avec des liquides; Emulsion

Abrégé

The purpose of the present invention is to provide a dry state coated sand having superior normal temperature fluidity, an advantageous method for manufacturing the same, and a method for manufacturing a mold with superior characteristics using that coated sand. The dry state coated sand having normal temperature fluidity is formed by mixing a refractory aggregate that has been heated with an aqueous water glass solution as a caking additive and evaporating the water to form a coating layer of the caking additive on the surface of the refractory aggregate. The moisture percentage thereof is adjusted to 0.5% by mass or less. After this dry state coated sand is filled into a molding cavity of a forming die, solidification or curing of this coated sand is carried out by ventilating with water vapor and a targeted mold is obtained.

Classes IPC  ?

• B22C 1/18 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents inorganiques

Abrégé

An ultrasonic flowmeter includes a measurement pipe through which a fluid flows, and two ultrasonic transceivers provided on outer side portions of the measurement pipe so as to be spaced apart from each other in an axis direction. In the method of producing the ultrasonic flowmeter, fabricating the measurement pipe in advance is fabricated, and then is set in a mold as an insert. Two transmitting bodies are formed by insert molding on the outer side portions of the measurement pipe so as to be spaced apart from each other in the axis direction, so that the two transmitting bodies are integral with the measurement pipe. The two ultrasonic transceivers are mounted on the two transmitting bodies, respectively.

Classes IPC  ?

• B29C 45/14 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet en incorporant des parties ou des couches préformées, p. ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
• G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons
• G01F 15/18 - Supports ou moyens de raccordement pour les compteurs

Abrégé

Provided are a resin composition capable of providing a carbon fiber-reinforced composite material having excellent mechanical properties while maintaining the high flame retardancy and heat resistance of phenolic resin, a carbon fiber-reinforced composite material precursor obtained using the resin composition, a carbon fiber-reinforced composite material obtained from the precursor, and a carbon fiber-reinforced carbon material. A resin composition is used that is obtained by including as essential components a resol-type phenolic resin, a novolak-type phenolic resin, and at least one alcohol selected from the group consisting of methanol, ethanol, and n-propyl alcohol.

Classes IPC  ?

• C08L 61/06 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols
• C08J 5/24 - Imprégnation de matériaux avec des prépolymères pouvant être polymérisés en place, p. ex. fabrication des "prepregs"
• C08K 5/05 - AlcoolsAlcoolates métalliques
• C08K 7/06 - Éléments

Abrégé

The purpose of the present invention is to provide: a sliding member molding material having excellent workability and sliding characteristics; and a sliding member formed from the sliding member molding material. The present invention involves a sliding member molding material that contains phenolic resin, a boron compound, an elastomer and a filler. The elastomer preferably contains at least one type of rubber selected from a group comprising nitrile rubber, urethane rubber and silicone rubber, of which, nitrile rubber is preferably contained therein. The boron compound preferably contains at least one type of boron compound selected from a group comprising boric acid, zinc borate and boron oxide. The filler preferably contains carbon fibers. The content of the elastomer is preferably 5 parts by mass to 50 parts by mass with respect to 100 parts by mass of the carbon fibers.

Classes IPC  ?

• C08J 5/04 - Renforcement des composés macromoléculaires avec des matériaux fibreux en vrac ou en nappes
• C08J 5/16 - Fabrication de matériaux ou d'objets à coefficient de friction réduit
• C08K 3/38 - Composés contenant du bore
• C08L 9/02 - Copolymères avec l'acrylonitrile
• C08L 61/08 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols avec des phénols monohydriques
• C08L 75/04 - Polyuréthanes
• C08L 83/04 - Polysiloxanes

Abrégé

Provided are: an organic binder for a mold, said organic binder being capable of prolonging the pot life of a molding sand composition advantageously without accompanying uneven curing, a lowering in mold strength, or an increase in the amount of a catalyst used; a molding sand composition which is obtained using the organic binder and which exhibits a prolonged pot life; and a mold produced from the molding sand composition through gas hardening. A urethane-type curable organic binder which is for use in the production of a urethane-based mold and which comprises a polyol compound and a polyisocyanate compound and further contains an alkoxysilyl-containing ketimine compound represented by a prescribed general formula.

Classes IPC  ?

• B22C 1/22 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents organiques de résines naturelles ou synthétiques
• C08G 18/00 - Polymérisats d'isocyanates ou d'isothiocyanates
• C08G 18/54 - Polycondensats d'aldéhydes

Abrégé

[Problem] To provide a piston-format working-fluid-pressure actuator capable of being used as a constituent part when used as either a reverse-action or forward-action piston-format working-fluid-pressure actuator, and also allowing a reduction in length along the direction in which an output shaft moves forward and backward, and to provide a control valve using the piston-format working-fluid-pressure actuator and a valve member. [Solution] A piston-format working-fluid-pressure actuator (10) has a casing (30) provided with a cover section (31) and a body section (32) and having a cylinder chamber (33) formed therein, an output shaft (40) supported by the casing so as to be capable of forward and backward movement, a piston (50) attached to the output shaft and partitioning the interior of the cylinder chamber, a spring member (60) biasing the piston with elastic force that causes the output shaft to move, and a working-fluid supply opening (70) for supplying working fluid. The piston is provided with an accommodating recess (51) in which the spring member is accommodated, the piston being mountable on the output shaft with the opening (52) of the accommodating recess selectively facing either the cover section or the body section.

Classes IPC  ?

• F15B 15/14 - Dispositifs actionnés par fluides pour déplacer un organe d'une position à une autreTransmission associée à ces dispositifs caractérisés par la structure de l'ensemble moteur le moteur étant du type à cylindre droit
• F16K 7/17 - Dispositifs d'obturation à diaphragme, p. ex. dont un élément est déformé, sans être déplacé entièrement, pour fermer l'ouverture à diaphragme plat, en forme d'assiette ou en forme de bol disposé pour être déformé contre un siège plat le diaphragme étant actionné par pression d'un fluide
• F16K 31/122 - Moyens de fonctionnementDispositifs de retour à la position de repos actionnés par un fluide le fluide agissant sur un piston

Abrégé

Provided is an organic adhesive agent for a mold, that greatly reduces the occurrence of odor, stimulus, smoke, etc., during mold making, is capable of improving the handling properties of the obtained mold, and is capable of advantageously increasing the peel-back resistance thereof. Also provided are an RCS obtained using this kind of organic adhesive agent, and a mold having excellent properties and obtained by using said RCS. The organic adhesive agent for the mold is configured by combining: a non-black phenolic resin (A) and a resol-type phenolic resin (B) at a usage ratio, by mass, of A:B = 95:5-5:95; and at least one type of Lewis base having a pKa value of 6-10, as a curing accelerator capable of accelerating the curing reaction of these phenolic resins.

Classes IPC  ?

• B22C 1/22 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents organiques de résines naturelles ou synthétiques

Abrégé

Provided is an organic adhesive agent for a mold, that greatly reduces the occurrence of odor, stimulus, smoke, etc., during mold making, is capable of improving the handling properties of the obtained mold, and is capable of advantageously increasing the peel-back resistance thereof. Also provided are an RCS obtained using this kind of organic adhesive agent, and a mold having excellent properties and obtained by using said RCS. The organic adhesive agent for the mold is configured by combining: a non-black phenolic resin (A) and a resol-type phenolic resin (B) having a usage ratio, by mass, of A:B = 95:5-5:95; and at least an Arrhenius base and/or a Brønsted base, as a curing accelerator capable of accelerating the curing reaction of these phenolic resins.

Classes IPC  ?

• B22C 1/22 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents organiques de résines naturelles ou synthétiques

Abrégé

The present invention relates to a static mixer wherein: multiple mixing cells (8) are disposed in series between an inlet flow channel (2) having a fluid inlet (1) and an outlet flow channel (4) having a fluid outlet (3), the mixing cells having branch points (5) and confluence points (6) and branched flow channels (7) that branch and connect between the branch points and confluence points; adjacent mixing cells communicate with each other directly or via a communicating flow channel (9); among the branch points, the inlet flow channel communicates with the branch point of the mixing cell positioned on the most upstream side; and among the confluence points, the outlet flow channel communicates with the confluence point of the mixing cell positioned on the most downstream side. The mixing cells are disposed so that when viewed from the longitudinal direction of the static mixer, at least a portion of the axial enclosure (7ea) of the branched flow channels of a chosen mixing cell overlaps with the axial enclosure of the branched flow channels of another mixing cell.

Classes IPC  ?

• B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides
• B01F 3/08 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de liquides avec des liquides; Emulsion

Abrégé

[Problem] To provide a device for producing ozone by causing discharge within a dielectric tube by the application of voltage to gas, and dissolving the ozone in a fluid. [Solution] A device for producing ozone by causing plasma by discharge within a dielectric tube by the application of voltage to supplied gas and dissolving the ozone in a fluid, wherein the dielectric tube is disposed at the outer periphery of a Venturi tube to form an enclosed space, a source gas introduction port for supplying the source gas is provided on one side of the dielectric tube, an ozone discharge port for introducing the produced ozone into the Venturi tube is provided on the other side thereof, the interior of the enclosed space of the dielectric tube and a branch tube of the Venturi tube communicate with each other through an ozone transfer tube, the branch tube is provided with a check valve for preventing backflow of the fluid, a high-voltage electrode is placed on the outer side of the dielectric tube, and a ground electrode is disposed in the fluid within the Venturi tube or the fluid discharged from the Venturi tube.

Classes IPC  ?

• C01B 13/11 - Préparation de l'ozone par décharge électrique
• B01F 1/00 - Dissolution
• B01F 3/04 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz ou de vapeurs avec des liquides
• B01F 5/04 - Mélangeurs à injecteurs
• B01F 5/10 - Mélangeurs à circulation
• C02F 1/78 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation au moyen d'ozone

Abrégé

[Problem] To provide an ozonated water manufacturing method and apparatus. [Solution] An ozonated water manufacturing method comprising an ozone-generating means, a fluid-supplying means, an ozone-dissolving means for dissolving the ozone in the supplied fluid, and a gas-liquid separating means for separating the ozone that was not dissolved by the ozone-dissolving means, wherein: the ozone-dissolving means and the gas-liquid separating means configure a single unit on the same line; at least two of said units are disposed on respective lines that branch in parallel from the fluid-supplying means; and ozone separated by the gas-liquid separating means of one unit is transferred to the ozone-dissolving means of the other unit.

Classes IPC  ?

• B01F 1/00 - Dissolution
• B01F 3/04 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz ou de vapeurs avec des liquides
• B01F 5/04 - Mélangeurs à injecteurs
• C01B 13/10 - Préparation de l'ozone
• C02F 1/50 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par addition ou emploi d'un germicide, ou par traitement oligodynamique
• C02F 1/78 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation au moyen d'ozone

Abrégé

The present invention relates to a fluid mixer that has a housing having a first opening part and a second opening part and elements positioned within the housing. In the fluid mixer, the elements, which have mixing directivity and are formed in identical shapes, are disposed in a state facing each other on the axial line of the flow path within the housing.

Classes IPC  ?

• B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides
• B01F 3/08 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de liquides avec des liquides; Emulsion

Abrégé

Provided is a foamable resol-type phenol resin molding material, which in addition to having excellent fire and flame resistance and good long-term stability of thermal insulation performance, displays little dimensional change during molding, has excellent strength, shows improved brittleness, and absorbs less water and has a higher pH than conventional products and therefore displays good performance in terms of preventing corrosion of a contact member. Also provided is a phenol resin foam having the same properties. The foamable resol-type phenol resin molding material comprises at least a liquid resol-type phenol resin, foaming agent, and acid curing agent, further comprises a nitrogen-containing crosslinked cyclic compound and silicone oil as additives, and comprises chloropropane as the foaming agent.

Classes IPC  ?

• C08L 61/06 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols
• C08J 9/14 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent physique de gonflage organique
• C08K 3/22 - OxydesHydroxydes de métaux
• C08K 3/26 - CarbonatesBicarbonates
• C08K 5/02 - Hydrocarbures halogènes
• C08K 5/32 - Composés contenant de l'azote lié à l'oxygène
• C08K 5/5419 - Composés contenant du silicium contenant de l'oxygène contenant au moins une liaison Si—O contenant au moins une liaison Si—C
• C08L 67/00 - Compositions contenant des polyesters obtenus par des réactions créant une liaison ester carboxylique dans la chaîne principaleCompositions contenant des dérivés de tels polymères
• C08L 71/02 - Oxydes des polyalkylènes

Abrégé

Provided are a method that can stably manufacture a urea-modified novolac phenol resin that is easy to handle and has low viscosity and a method that can effectively manufacture a novolac phenol resin modified by a large amount of urea. A resin obtained by this method and resin-coated sand that can actualize excellent casting properties using this resin are also provided. In the production of a urea-modified novolac phenol resin by cocondensing a phenolic compound, aldehydes, and urea or methylol urea, urea or methylol urea is added in small amounts continuously or intermittently to the reaction system while allowing the reaction of the phenolic compound and aldehydes to proceed, and the phenolic compound and the aldehydes are cocondensed sequentially.

Classes IPC  ?

• C08G 14/08 - UréesThiourées
• B22C 1/22 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents organiques de résines naturelles ou synthétiques

Abrégé

[Problem] To provide a plasma generating method and a generating device that cause an electrical discharge to occur between a fluid and a dielectric tube. [Solution] A method for generating plasma with an electrical discharge within a dielectric tube by applying a voltage to a supplied gas, wherein: a water passage pipe is positioned within or above the dielectric tube; a high voltage electrode is arranged on the outer side of the dielectric tube; and a grounding electrode is arranged in a fluid that is discharged through the water passage pipe and into the dielectric tube while remaining at a distance from the inner perimeter of the dielectric tube. An electrical discharge is caused to occur either between the inner wall of the dielectric tube and the fluid, or between the inner wall of the dielectric tube and the water passage pipe, by applying a voltage to the high voltage electrode and the grounding electrode connected to a power source device. Additionally, the connections of the dielectric tube, the water passage pipe, and an inlet which introduces the supplied gas, is formed to have the structure of an aspirator.

Classes IPC  ?

• H05H 1/24 - Production du plasma
• C01B 13/10 - Préparation de l'ozone
• C01B 13/11 - Préparation de l'ozone par décharge électrique

Abrégé

Provided is a method for the advantageous production of spherical furfuryl alcohol resin particles by resinification and curing using furfuryl alcohol alone without using toxic aldehydes as the starting materials. Furfuryl alcohol is subjected to self-condensation in the presence of an acid catalyst to obtain a furfuryl alcohol condensed resin having fluidity and then the furfuryl alcohol condensed resin is subjected to granulation and curing in the presence of a dispersion stabilizer and an acid catalyst having a pKa of 1.5 or less using water as the reaction medium to form spherical cured resin particles.

Classes IPC  ?

• C08G 65/36 - Alcool furfurylique
• C01B 31/10 - Fabrication au moyen d'agents d'activation gazeux

Abrégé

An object of the invention is to provide an anthracene derivative having characteristics peculiar to anthracene such as e.g., high carbon density, high melting point, high refractive index and fluorescent properties for ultraviolet rays, etc., and reaction diversity that results from the bisphenol structure, and a process for producing the same. Disclosed is an anthracene derivative represented by the following general formula (1): in the formula (1), X and Y each independently represent a hydroxyaryl group. The aforementioned X and Y are preferably a hydroxyphenyl group. In addition, the anthracene derivative can be produced by a process including allowing at least one compound selected from phenols and anthracene-9-carboaldehyde to react in the presence of an oxygen-containing inert organic solvent and an acid catalyst.

Classes IPC  ?

• C07C 39/12 - Composés comportant au moins un groupe hydroxyle ou O-métal lié à un atome de carbone d'un cycle aromatique à six chaînons polycycliques sans autre insaturation que celle des cycles aromatiques
• C08G 59/68 - Macromolécules obtenues par polymérisation à partir de composés contenant plusieurs groupes époxyde par molécule en utilisant des agents de durcissement ou des catalyseurs qui réagissent avec les groupes époxyde caractérisées par les catalyseurs utilisés
• C07C 39/15 - Composés comportant au moins un groupe hydroxyle ou O-métal lié à un atome de carbone d'un cycle aromatique à six chaînons polycycliques sans autre insaturation que celle des cycles aromatiques tous les groupes hydroxyle étant liés à des cycles non condensés
• C07C 39/14 - Composés comportant au moins un groupe hydroxyle ou O-métal lié à un atome de carbone d'un cycle aromatique à six chaînons polycycliques sans autre insaturation que celle des cycles aromatiques avec au moins un groupe hydroxyle lié à un système cyclique à deux cycles condensés

Abrégé

[Problem] To effectively utilize plant residue such as soy bean skin, rapeseed meal, rice bran, rice husk, and cacao husk. [Solution] When forming sheet material from the mixture of burned plant material and fibrous material using a wet-process sheet production method, to use burned rice husk material, burned rice bran material, burned soy bean skin material, material generated by burning the inner skin of peanuts, or material generated by burning the side-walls of the water conducting tissue of plants, for the burned plant material; and for the fibrous material, to use either organic fibers derived from thermoplastic resins including polyethylene, polypropylene or other polyolefins, polyester, polyamide, vinyl chloride, polyacrylonitrile, polyvinyl chloride, and aramid, fiber derived from thermosetting resin including kynol, natural fibers such as cotton and wool, semi-synthetic fibers, glass fiber, inorganic fibers including carbon fiber, metal fibers with electroless plating applied on short fibers including iron, copper, stainless, steel, synthetic resins, and inorganic materials, or the combination of these short fibers.

Classes IPC  ?

• H05K 9/00 - Blindage d'appareils ou de composants contre les champs électriques ou magnétiques
• C01B 31/02 - Préparation du carbone; Purification

Abrégé

To provide an adsorbent for oral administration which has a high ability to adsorb indoxyl sulfate, indoleacetic acid, and indole, a method capable of easily and advantageously producing the same, and a drug using the same. The adsorbent for oral administration is obtained from spherical active carbon particles formed by carbonizing and activating spherical furfuryl alcohol resin particles obtained by resinifying and curing furfuryl alcohol through a self-condensation reaction.

Classes IPC  ?

• A61K 33/44 - Carbone élémentaire, p. ex. charbon de bois, noir de carbone
• A61P 13/12 - Médicaments pour le traitement des troubles du système urinaire des reins
• A61P 39/02 - Antidotes
• C01B 31/10 - Fabrication au moyen d'agents d'activation gazeux

Abrégé

Disclosed is an improved manufacturing method of casting molds wherein, in the periphery of aeration openings of the forming mold, RCS binder outflow prone to occur during aeration with steam is prevented, thereby not only resolving problems with the formed mold surface, but also improving separability of the mold during demolding from the forming mold and improving the effective strength of the obtained mold. The disclosed manufacturing method of casting molds involves (a) a first step for preparing dry-state resin-coated sand that is flowable at room temperature, obtained by kneading and mixing pre-heated molding sand and an aqueous solution of a water-soluble alkaline resole resin, (b) a second step in which, after filling said prepared resin-coated sand into a heated forming mold, the obtained filling phase is aerated at a pressure of 0.1MPa or less with steam at a temperature of less than 100C, moistening and cohering the resin-coated sand constituting said filling phase, and (c) a third step for curing the filling phase of the resin-coated sand that has been moistened and cohered.

Classes IPC  ?

• B22C 9/02 - Moules en sable ou moules analogues pour pièces coulées
• B22C 1/00 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules
• B22C 1/10 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par des additions pour applications particulières, p. ex. indicateurs, addition pour faciliter la destruction du moule pour influencer la tendance au durcissement du matériau du moule
• B22C 1/22 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents organiques de résines naturelles ou synthétiques
• B22C 9/12 - Traitement des moules ou noyaux, p. ex. séchage, étuvage

Abrégé

An in-line fluid mixing device comprises: a first flow path forming means (2) for forming a first inlet flow path (3) extending from a first inlet section (20) to a first path section (16); second flow path forming means (1, 2) for forming a second inlet flow path (4) extending from a second inlet section (21) to a second path section (19); a third flow path forming means (1) for forming an outlet flow path (5) which is configured so that the area thereof from a reduced diameter section (8) to an expanded diameter section (9) and to an outlet section (22) is increased and so that an outlet flow path (5) which, at an end of the reduced diameter section (8), communicates with each of the first inlet flow path (3) and the second inlet flow path (4); and a swirl flow generation means (12) for generating a swirl flow in either the first inlet flow path (3) and/or the second inlet flow path (4).

Classes IPC  ?

• B01F 5/04 - Mélangeurs à injecteurs
• B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides

Abrégé

Disclosed is a fluid-mixing apparatus provided with: a main flow channel formed from a first flow channel (2) and a second flow channel (4); a plurality of spiral flow channels (5, 6) which are formed around the second flow channel (4) so as to be substantially concentric to the second flow channel (4), are positioned offset to each other in a circumferential direction, and are connected to the first flow channel (2) at one end; a plurality of branched flow channels (7a-7j) which branch out from a plurality of locations in the flow direction of the second flow channel (4), and which are connected to the plurality spiral flow channels (5, 6) in a plurality of locations in the flow direction of the spiral flow channels (5, 6); a fluid inlet section (1) which is provided at the end of the first flow channel (2) or the second flow channel (4); and a fluid outlet section (3) which is provided at the other end of either the first flow channel (2) or the second flow channel (4).

Classes IPC  ?

• B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides
• B01F 3/04 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz ou de vapeurs avec des liquides

Abrégé

A propylene-based resin composition which comprises (A) an ethylene/propylene random copolymer having an ethylene content of 0.5 to 3.0 parts by mass, (B) 1 to 10 parts by mass (per 100 parts by mass of the random copolymer) of an elastomer having a mean particle diameter of 10 to 800nm, and (C) a nucleating agent as the essential components and which exhibits a melt flow rate of 0.01 to 1.00g/10min after kneading. The propylene-based resin composition is suitable for the production of various kinds of molded products.

Classes IPC  ?

• C08L 23/16 - Copolymères de l’éthylène et du propylène ou de l’éthylène, du propylène et de diène
• C08K 5/053 - Alcools polyhydroxyliques
• C08K 5/521 - Esters des acides phosphoriques, p. ex. de H3PO4
• C08L 101/00 - Compositions contenant des composés macromoléculaires non spécifiés
• E03C 1/02 - Installations de plomberie pour l'alimentation en eau

Abrégé

Provided is a process by which spherical furfuryl alcohol resin fine particles can be advantageously produced without irradiating the reaction system with ultrasonic waves and without using a harmful aldehyde as a starting material, said process comprising using furfuryl alcohol alone and subjecting the furfuryl alcohol to resinification and curing to form spherical furfury alcohol resin fine particles. More specifically, the process includes: subjecting furfury alcohol to self -condensation with an acid catalyst having a pKa of less than 1.5 in the presence of a protective colloid to resinify the furfuryl alcohol; and then curing the obtained resin by heating to form spherical furfuryl alcohol resin particles.

Classes IPC  ?

• C08G 61/12 - Composés macromoléculaires contenant d'autres atomes que le carbone dans la chaîne principale de la macromolécule
• C08G 65/34 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques
• C08J 3/12 - Pulvérisation ou granulation
• C08L 65/00 - Compositions contenant des composés macromoléculaires obtenus par des réactions créant une liaison carbone-carbone dans la chaîne principaleCompositions contenant des dérivés de tels polymères

Abrégé

A fluid mixer which can mix fluid while making the distribution of concentration or distribution of temperature of the fluid in the direction of flow uniform without any unevenness and which is both compact and easy to install piping for is provided. This fluid mixer has a fluid inlet, a first flow path connected to the fluid inlet, a spiral flow path connected to the first flow path, a plurality of branch flow paths branched from the spiral flow path, a second flow path to which the plurality of branch flow paths are connected, and a fluid outlet connected to the second flow path, the plurality of branch flow paths branching from different positions of the spiral flow path and being connected with the second flow path at different positions of the second flow path.

Classes IPC  ?

• B01F 5/06 - Mélangeurs dans lesquels les composants du mélange sont pressés ensemble au travers de fentes, d'orifices, ou de tamis
• C10L 3/00 - Combustibles gazeuxGaz naturelGaz naturel de synthèse obtenu par des procédés non prévus dans les sous-classes , Gaz de pétrole liquéfié

Abrégé

A fluid-mixing apparatus is equipped with: main flow channels (1,3) formed from a first flow channel (1) and a second flow channel (3); a spiral flow channel (2) formed around the first flow channel (1) so as to be substantially concentric thereto, and connected to the second flow channel (3) at one end; a plurality of branched flow channels (4a-4e) which connect the first flow channel (1) to the spiral flow channel (2), which is on the outside of the first flow channel (1), at a plurality of locations along the flow direction of the first flow channel (1); a fluid inlet section (5) provided at the end of the first flow channel (1) or the second flow channel (3); and a fluid outlet section (6) provided at the other terminal of the first flow channel (1) or the second flow channel (3) from the fluid inlet section (5). The plurality of branched flow channels (4a-4e) are connected to at least the main flow channels (1,3) or the spiral flow channel (2) at locations eccentric to the central axis line of the main flow channels (1,3) and/or the spiral flow channel (2).

Classes IPC  ?

• B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides
• B01F 3/02 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz avec des gaz ou des vapeurs
• B01F 3/04 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz ou de vapeurs avec des liquides
• B01F 3/08 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de liquides avec des liquides; Emulsion
• B01F 3/12 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de liquides avec des solides

Abrégé

Disclosed is a static-type fluid mixer provided with: a main flow passage comprising a first flow passage (1) and a second flow passage (3); a zigzagging flow passage (2) which extends along the second flow passage (3) and communicates with the first flow passage (1) at one end while travelling back and forth in a zigzagging manner in such a way as to surround the periphery of the second flow passage (3); a plurality of communication flow passages (4a - 4g) which provide communication between the second flow passage (3) and the zigzagging flow passage (2) at a plurality of locations in the flow direction; a fluid inlet (5) which is provided at the end of the first flow passage (1) or the second flow passage (3); and a fluid outlet (6) which is provided at the end of the first flow passage (1) or the second flow passage (3) where the fluid inlet (5) is not provided.

Classes IPC  ?

• B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides
• B01F 3/02 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz avec des gaz ou des vapeurs
• B01F 3/04 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz ou de vapeurs avec des liquides
• B01F 3/08 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de liquides avec des liquides; Emulsion
• B01F 3/12 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de liquides avec des solides

Abrégé

Provided is an anthracene derivative which has the properties characteristic of anthracene, e.g., high carbon density, high melting point, high refractive index, and fluorescence induced by ultraviolet rays, and which further has a variety of reactivity attributable to the bisphenol structure. Also provided is a process for producing the anthracene derivative. The anthracene derivative is represented by general formula (1) (wherein X and Y each independently represents a hydroxyaryl). Preferably, the X and Y are hydroxyphenyl. The anthracene derivative can be produced by a process which comprises the step of reacting a phenol with anthracene-9-carbaldehyde in the presence of an unreactive oxygenic organic solvent and an acid catalyst.

Classes IPC  ?

• C07C 39/14 - Composés comportant au moins un groupe hydroxyle ou O-métal lié à un atome de carbone d'un cycle aromatique à six chaînons polycycliques sans autre insaturation que celle des cycles aromatiques avec au moins un groupe hydroxyle lié à un système cyclique à deux cycles condensés
• C07C 37/20 - Préparation de composés comportant des groupes hydroxyle ou O-métal liés à un atome de carbone d'un cycle aromatique à six chaînons par des réactions augmentant le nombre d'atomes de carbone au moyen d'aldéhydes ou de cétones
• C07C 39/15 - Composés comportant au moins un groupe hydroxyle ou O-métal lié à un atome de carbone d'un cycle aromatique à six chaînons polycycliques sans autre insaturation que celle des cycles aromatiques tous les groupes hydroxyle étant liés à des cycles non condensés
• C08G 8/04 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes
• C07B 61/00 - Autres procédés généraux

Abrégé

A butterfly valve configured in such a manner that, when the valve element is deflected by fluid pressure when the butterfly valve is in a closed state, leakage within the valve element, said leakage within the valve element being the leakage of the fluid into the gap between the valve shaft hole in the valve element and a valve shaft, and leakage at the valve shaft, said leakage at the valve shaft being the leakage of the fluid into the shaft seal section between the through-hole in a seat ring and the valve shaft, are prevented from occurring and that the seat ring and the valve element can be mounted to the valve body with improved easiness. A butterfly valve is provided with a seat ring (2) which is fitted to the inner peripheral surface of the valve body (1), a valve shaft (3) which penetrates through the through-hole (11) in the seat ring (2) and is supported by the valve body (1), and a circular plate-like valve element (4) which has the valve shaft (3) mounted in a valve shaft hole (15) and supports the valve shaft (3). The butterfly valve is opened and closed by the rotation of the valve element (4) performed by the rotation of the valve shaft (2). A hollow cylindrical bush (5) is fitted in the through-hole (11) in the seat ring (2) and is fitted in a water-tight manner to a valve shaft fitting hole (16), which is provided in the valve element (4), so as not to protrude from the outer peripheral surface of the seat ring (2).

Classes IPC  ?

• F16K 1/226 - Forme ou disposition du joint d'étanchéité

Abrégé

Provided are a phenol resin composition for shell molding, from which a molding die having a low thermal expansion coefficient and high deflectability can be advantageously formed, a resin-coated sand obtained using the same, and a shell molding die obtained using such a resin-coated sand. A naphthol is used together with a phenol. These phenol components are caused to react with an aldehyde to obtain a phenol resin. The phenol resin is combined with a fatty acid amide to constitute a phenol resin composition for shell molding, which is capable of exhibiting useful die characteristics.

Classes IPC  ?

• B22C 1/22 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents organiques de résines naturelles ou synthétiques
• B22C 9/02 - Moules en sable ou moules analogues pour pièces coulées

Abrégé

A temperature control unit (10) is provided with a housing (28) having heated gas discharge holes (26) formed therein, and a gas heater (30) housed in the housing (28). The gas heater (30) is provided with a heater pipe (54), a heating element (56) housed in the heater pipe (54), a frame (58) which is attached to the outside of the peripheral wall of the heater pipe (54) and which defines a gas passage (76) in the frame, and heat radiation fins (78) arranged in the gas passage (76). The heat of the heater pipe (54) heated by the heating element (56) is transmitted to the heat radiation fins (78) so that the gas flowing in the gas passage (76) is heated by the heat radiation fins (78) and is discharged into the housing (28). The high temperature heated gas discharged into the housing (28) is discharged from the heated gas discharge holes (26) to heat a resin-coated sand to an appropriate temperature.

Classes IPC  ?

• B22C 5/14 - Équipement pour le stockage ou la manutention de matériau de moulage après préparation, incorporé dans l'installation générale de préparation de ce matériau
• B22C 9/02 - Moules en sable ou moules analogues pour pièces coulées

Abrégé

Provided is a ball check valve that prevents the vibration of the ball when a fluid flows through the valve and suppresses noise, without decreasing the flow rate of the fluid. The ball check valve is equipped with a tubular valve body (1) that has two openings and ridges (2) provided on the inner surface along the axial direction, a holding ring (9) that contacts and is held by the end surfaces of the ridges (2) at the upstream opening of the valve body (1), a seat ring (11) that is adjacent to or fit to the holding ring (9), and a spherical valve element (7) held in a manner permitting back and forth movement between the locking surface (8) of the ridges (2) and the valve closing position. The relationship between the area (S1) of the flow channel opening formed between the peripheral surface of the valve body (1) and the outer periphery line of the spherical valve element (7) perpendicular to the aforementioned axis at the center of gravity when the spherical valve element (7) is in contact with the locking surface (8) of the ridges (2), and the area (S2) of the flow channel opening formed between the spherical valve element (7) and the holding ring (9) on the line connecting the center of gravity of the spherical valve element (7) and the down-stream inside perimeter line of the seat ring (11) or the holding ring (9) is such that S2 is in the range of 0.44 S1 to 0.65 S1.

Classes IPC  ?

• F16K 15/04 - Soupapes, clapets ou valves de retenue à corps de soupapes rigides guidés en forme de sphère
• F16K 27/00 - Structures des logementsMatériaux utilisés à cet effet
• F16L 55/00 - Dispositifs ou accessoires à utiliser avec, ou en liaison avec, les tuyaux ou les systèmes de tuyaux

Abrégé

An adsorbent for oral administration comprising a spherical activated carbon which has many projections formed on the surface, i.e., in a number of 1-20 per 쎽m2, and has a total pore volume of 0.4-0.8 mL/g, and in which the proportion of pores having a diameter of 1 nm or smaller is 37-55 vol.%, the total acid group amount is 0.24-0.56 meq/g, and the ratio of the total acid group amount (a) to the total basic group amount (b), (a/b), is 0.60-2.00. The adsorbent highly adsorbs toxic substances such as DL-β-aminoisobutyric acid, indole, and indoxylsulfuric acid and lowly adsorbs substances necessary for the living body, such as α-amylase and lipase. The adsorbent is excellent in adsorption selectivity to such toxic substances.

Classes IPC  ?

• A61K 47/04 - Non-métauxLeurs composés
• A61K 9/14 - Préparations médicinales caractérisées par un aspect particulier à l'état particulaire, p. ex. poudres

Abrégé

A foamable resol type phenolic resin molding or forming material comprising a liquid resol type phenolic resin, foaming agent, a foam stabilizer, an acid curing agent and an additive, the additive being a nitrogen--containing bridged cyclic compound having an average particle diameter of 80 .mu.m or less, and a phenolic resin foamed product formed by foaming and curing the above molding or forming material.

Classes IPC  ?

• C08J 9/04 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable
• C08K 5/053 - Alcools polyhydroxyliques
• C08K 5/3447 - Cycles à cinq chaînons condensés avec des carbocycles
• C08L 61/06 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols

Abrégé

Provided is an expandable resol-type phenolic resin molding material comprising a liquid resol-type phenol resin, foaming agent, foam regulator, acid curing agent, and additive, particularly an expandable resol-type phenolic resin molding material wherein the additive is a nitrogen-containing crosslinked cyclic compound having an average grain size of 80 µm or smaller. Also provided is a phenolic resin foam obtained by foaming and curing the molding material.

Classes IPC  ?

• C08L 61/06 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols
• C08J 9/04 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable
• C08K 5/053 - Alcools polyhydroxyliques
• C08K 5/3447 - Cycles à cinq chaînons condensés avec des carbocycles

Abrégé

Disclosed is a foamable composition for a polyurethane foam which further favorably improves the heat insulation capacity, the long-term stability and the dimensional stability of a polyurethane foam that is manufactured using carbon dioxide as a foaming agent; further disclosed is a polyurethane foam which uses said foamable composition for a polyurethane foam and achieves excellent heat insulation performance. When the polyurethane foam is manufactured using carbon dioxide for foam formation, a phenolic resin polyol obtained by adding an alkylene oxide and an aromatic amine polyol obtained by adding an alkylene oxide are used together as a polyol component, and a specific silicone compound is blended in.

Classes IPC  ?

• C08G 18/54 - Polycondensats d'aldéhydes
• C08G 18/00 - Polymérisats d'isocyanates ou d'isothiocyanates
• C08G 18/48 - Polyéthers
• C08G 101/00 - Fabrication de produits cellulaires

Abrégé

A phenol resin for shell molding, which can advantageously provide molds that produce little tar in casting and that have both low thermal expansion coefficients and high collapsibility; a resin-coated sand obtained using same; and molds obtained using the resin-coated sand. A phenol resin having such useful characteristics is obtained by reacting a phenol component comprising both a phenol and a naphthol with an aldehyde using a divalent metal salt and/or oxalic acid as the reaction catalyst.

Classes IPC  ?

• C08G 8/00 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols
• B22C 1/22 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents organiques de résines naturelles ou synthétiques
• B22C 9/02 - Moules en sable ou moules analogues pour pièces coulées
• C08G 8/04 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes

Abrégé

Disclosed is an expandable composition for a polyurethane foam, which enables the advantageous improvement in heat-insulating properties, long-term stability and dimensional stability of a polyurethane foam produced by using carbon dioxide as a foaming agent.  Also disclosed is a polyurethane foam which is produced by expanding and curing the expandable composition and has excellent heat-insulating properties. In the production of a polyurethane foam by using carbon dioxide for foaming, a phenolic resin polyol and an aromatic amine polyol are used as polyol components in a total amount of 60 mass% or more relative to the total amount of polyol components, wherein the phenolic resin polyol is produced by adding an alkylene oxide to a novolac-type phenolic resin and the aromatic amine polyol is produced by adding an alkylene oxide to an aromatic diamine.

Classes IPC  ?

• C08G 18/65 - Composés à bas poids moléculaire contenant un hydrogène actif avec des composés à haut poids moléculaire contenant un hydrogène actif
• C08G 101/00 - Fabrication de produits cellulaires
• C08L 61/08 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols avec des phénols monohydriques
• C08L 75/12 - Polyuréthanes à partir de composés contenant de l'azote et un hydrogène actif, l'atome d'azote ne faisant pas partie du groupe isocyanate

Abrégé

Provided is a compact spiral fluid mixer which enables mixing with even and uniform concentration distribution and temperature distribution in the flow direction of a fluid and easy piping construction.  The spiral fluid mixer is characterized by being provided with a fluid inlet, a first channel connected to the fluid inlet, a first spiral channel connected to the first channel, multiple branch channels branching from the first spiral channel, a second spiral channel to which the multiple branch channels are connected, a second channel connected to the second spiral channel, and a fluid outlet connected to the second channel, wherein the multiple branch channels respectively branch from different positions of the first spiral channel, and are respectively connected to the second spiral channel at different positions of the second spiral channel.

Classes IPC  ?

• B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides
• A47J 43/00 - Instruments pour préparer ou recevoir les aliments, non prévus dans les autres groupes de la présente sous-classe
• B01F 3/00 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger
• B29B 7/32 - MélangeMalaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage non mobiles
• C10L 1/32 - Combustibles carbonés liquides consistant en suspensions charbon-huile ou émulsions aqueuses

Abrégé

Provided is a compact helical fluid mixer which enables mixing with even and uniform concentration distribution and temperature distribution in the flow direction of a fluid and easy piping construction.  The helical fluid mixer is characterized by being provided with a fluid inlet, a first channel connected to the fluid inlet, a first helical channel connected to the first channel, multiple branch channels branching from the first helical channel, a second helical channel to which the multiple branch channels are connected, a second channel connected to the second helical channel, and a fluid outlet connected to the second channel, wherein the multiple branch channels respectively branch from different positions of the first helical channel, and are respectively connected to the second helical channel at different positions of the second helical channel.

Classes IPC  ?

• B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides
• A47J 43/00 - Instruments pour préparer ou recevoir les aliments, non prévus dans les autres groupes de la présente sous-classe
• B01F 3/00 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger
• B29B 7/32 - MélangeMalaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage non mobiles
• C10L 1/32 - Combustibles carbonés liquides consistant en suspensions charbon-huile ou émulsions aqueuses

Abrégé

A process for joining piping members consisting of a polyphenylene ether resin composition, characterized by heat-melting both the external-circumferential portion of a spigot pipe section of one piping member and the internal -circumferential portion of a socket section of the other piping member at a temperature H (°C) specified by the following formula and then inserting the spigot pipe section into the socket section to carry out the fusion-joining of both, said polyphenylene ether resin composition being a composition which comprises “a” parts by mass of a polyphenylene ether resin and “b” parts by mass of a polystyrene resin as the essential components with a and b satisfying the relationships: a + b = 100 and a : b = (10-90) : (90-10) and which exhibits a melt flow rate of 1.0 to 10.0g/10min after kneading. H=[220°C+{100°C × (“a” parts by mass/100parts by mass)}] ± 10°C

Classes IPC  ?

• F16L 47/02 - Raccords soudés à l'autogèneRaccords collés
• C08L 25/04 - Homopolymères ou copolymères du styrène
• C08L 71/12 - Oxydes de polyphénylène

Abrégé

Disclosed is a fluid mixer that is compact and has simple plumbing, and that can uniformly mix without variation in concentration distribution or temperature distribution in the flow direction of the fluid. The fluid mixer comprises a fluid inlet, a first fluid path that is connected to said fluid inlet, a helical fluid path that is connected to said first fluid path, multiple branch fluid paths that branch from said helical fluid path, a second fluid path to which each of said multiple branch fluid paths connects, and a fluid outlet that is connected to said second fluid path. The aforementioned multiple branch fluid paths each branch from a different location on the aforementioned helical fluid path, and each connects to the aforementioned second fluid path at different locations on the second fluid path.

Classes IPC  ?

• B01F 5/00 - Mélangeurs à écoulement; Mélangeurs pour matériaux tombants, p.ex. particules solides
• A47J 43/00 - Instruments pour préparer ou recevoir les aliments, non prévus dans les autres groupes de la présente sous-classe
• B01F 3/02 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz avec des gaz ou des vapeurs
• B01F 3/04 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz ou de vapeurs avec des liquides
• B01F 3/06 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz ou de vapeurs avec des solides
• B01F 3/08 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de liquides avec des liquides; Emulsion
• B01F 3/12 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de liquides avec des solides
• B29B 7/32 - MélangeMalaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage non mobiles
• C10L 1/32 - Combustibles carbonés liquides consistant en suspensions charbon-huile ou émulsions aqueuses

Abrégé

An adsorbent for oral administration comprising a spherical active carbon of 0.2 to 0.5 cc/g total pore volume and 30 to 45% volume ratio of 1 nm or less diameter pores, provided on its surface with a multiplicity of projections. The adsorbent for oral administration has high capability of adsorbing harmful toxic substances, such as indole, while being low in the adsorptivity of in vivo needed substances, such as tryptophan and lysine, namely, excelling in the selective adsorption of harmful toxic substances.

Classes IPC  ?

• A61K 33/44 - Carbone élémentaire, p. ex. charbon de bois, noir de carbone
• A61P 13/12 - Médicaments pour le traitement des troubles du système urinaire des reins
• C01B 31/10 - Fabrication au moyen d'agents d'activation gazeux

Abrégé

A conventional rotary valve in which is provided with a locking mechanism for fixing the degree of aperture so as to prevent misoperation and reduce accidents caused thereby, and even a previously installed valve can be converted to a valve having a locking mechanism, simply by replacing the handle alone. In a rotary valve wherein a valve element that is engaged with a stem is turned by turning the stem, which is connected to a handle, so as to open and close the valve, and having a top flange that is provided on a neck of a valve body that supports the stem, a notch is formed at the peripheral edge of the top flange, and a locking member, having a protrusion that can be latched in the notch in the top flange by way of a torsion spring, is pivotably supported at the center of the handle or on a grip portion thereof.

Classes IPC  ?

• F16K 35/02 - Dispositions empêchant la mise en action accidentelle ou non autorisée à verrouillage ou déverrouillage par poussoir-tirette
• F16K 35/10 - Dispositions empêchant la mise en action accidentelle ou non autorisée par chapeaux ou barres de verrouillage
• F16K 31/00 - Moyens de fonctionnementDispositifs de retour à la position de repos
• F16K 11/08 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des robinets à boisseau
• F16K 5/00 - Robinets à boisseau consistant seulement en un dispositif obturateur dont au moins une des faces d'obturation a la forme d'une surface de solide de révolution plus ou moins complète, le mouvement d'ouverture et de fermeture étant essentiellement rotatif

Abrégé

An ultrasonic flowmeter includes two ultrasonic transceivers. Each of the ultrasonic transceivers includes a cylindrical transmitting body closely fixed to the outer peripheral surface of a measurement pipe through a fluid flows so as to surround the measurement pipe, and an ultrasonic transducer surrounding the measurement pipe and spaced apart from the outer peripheral surface of the measurement pipe. The transmitting body is made of a rubber material and has axial end surfaces extending perpendicular to the axis of the measurement pipe. The axial end surface of the ultrasonic transducer is fixedly secured to the axial end surface of the transmitting body, and the ultrasonic transducer is extended and contracted in the axial direction thereof by applying a voltage between the axial end surfaces of the ultrasonic transducer.

Classes IPC  ?

• G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons

Abrégé

Disclosed is a phenol resin composition for shell molds which advantageously provides a mold having low thermal expansion and high collapsibility, which produces little tar during casting. Also disclosed are resin-coated sand obtained by using the phenol resin composition for shell molds, and a mold obtained by using the resin-coated sand. The phenol resin composition for shell molds contains propylene glycol and/or a polymerized product thereof as an indispensable component in addition to a phenol resin.

Classes IPC  ?

• B22C 1/22 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents organiques de résines naturelles ou synthétiques
• B22C 1/10 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par des additions pour applications particulières, p. ex. indicateurs, addition pour faciliter la destruction du moule pour influencer la tendance au durcissement du matériau du moule
• B22C 9/02 - Moules en sable ou moules analogues pour pièces coulées

Abrégé

Provided are molded articles made of a fiber-reinforced material which are lightweight and have superior surface smoothness and mechanical strength, heat-curable resin compositions that are favorably used in the manufacture of said molded articles, and fiber-reinforced molding materials that are used in manufacturing said molded articles and have a superior low-pressure moldability. As a heat-curable resin composition to be used in the fiber-reinforced molding material, that which comprises a heat-curable resin, a hollow filler with packed bulk density of 0.24-0.45 g/cm3, and kaolin clay with packed bulk density of 0.60-1.20 g/cm3 as essential components was used.

Classes IPC  ?

• C08L 101/00 - Compositions contenant des composés macromoléculaires non spécifiés
• B29B 11/16 - Fabrication de préformes caractérisées par la structure ou la composition comprenant des charges ou des agents de renforcement
• C08J 5/04 - Renforcement des composés macromoléculaires avec des matériaux fibreux en vrac ou en nappes
• C08K 3/34 - Composés contenant du silicium
• C08K 7/02 - Fibres ou "whiskers"
• C08K 7/22 - Particules expansibles, poreuses ou creuses
• C08L 61/06 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols

Abrégé

Disclosed is a method for treating an oil-containing waste water which can reduce the necessary amount of a flocculant used as compared with the conventional treatment using floatation separation. Also disclosed is an apparatus for treating an oil-containing waste water. A suspension material, which can capture or adsorb an oil contained in an oil-containing waste water, is added to the oil-containing waste water. Alternatively, a suspension material, which has captured or adsorbed an oil contained in an object oil-containing waste water previously mixed with the suspension material, is removed from the waste water by a floatation separation process. Thereafter, a flocculant is allowed to act on the waste water to remove the oil contained in the waste water.

Classes IPC  ?

• C02F 1/28 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par absorption ou adsorption
• C02F 1/24 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par flottation
• C02F 1/52 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par floculation ou précipitation d'impuretés en suspension
• C02F 9/00 - Traitement en plusieurs étapes de l'eau, des eaux résiduaires ou des eaux d'égout

Abrégé

Disclosed is a temperature adjusting unit (U) comprising a housing (A) having a plurality of heated gas injecting holes (4) formed therein, an ingot (C) housed in the housing (A) and having a gas passage formed therein to extend from a gas inlet port to a gas discharge port, and a heater (7) mounted on the ingot (C) for heating the ingot (C). The gas, which is introduced from the gas inlet port of the ingot (C) into the gas passage, is heated, while passing the gas passage, by the heat exchange with the ingot (C) heated by the heater (7), so that the gas heated by the ingot (C) is released from the heated gas injecting holes (4) of the housing (A).

Classes IPC  ?

• B22C 5/18 - Installations générales de préparation des matériaux de moulage
• B22C 5/14 - Équipement pour le stockage ou la manutention de matériau de moulage après préparation, incorporé dans l'installation générale de préparation de ce matériau
• B22C 9/02 - Moules en sable ou moules analogues pour pièces coulées
• B22C 13/08 - Machines à mouler pour faire des moules ou noyaux de forme particulière pour moules ou noyaux en coquilles

Abrégé

A pipe fitting which holds a cap nut and the fitting body under a state where a clamping ring is not pushed by the tapered inner surface to shrink the diameter before a pipe is inserted, and prevents the clamping ring from impeding insertion of the pipe when the pipe is inserted, and prevents leakage of fluid without damaging the pipe being inserted. The pipe fitting comprises a fitting body (13) having a male screw portion (19) and a shoulder portion (14) formed continuously at the end, a cap nut (5) having a female screw portion (18) to which the male screw portion is screwed, a C-shaped locking ring (2) arranged such that its outer circumferential surface abuts against a tapered inner surface (6) formed on the fitting body or at the through opening of the cap nut, wherein a removable spacer (1) is arranged while being held between the shoulder portion of the fitting body and the cap nut.

Classes IPC  ?

• F16L 19/06 - Raccords dans lesquels les surfaces d'étanchéité sont maintenues en contact par un organe, p. ex. un écrou à oreilles vissé dans, ou vissé sur une des parties du raccord dans lesquels le serrage radial est obtenu par une action de coincement entre les extrémités non déformées du tuyau
• F16L 19/08 - Raccords dans lesquels les surfaces d'étanchéité sont maintenues en contact par un organe, p. ex. un écrou à oreilles vissé dans, ou vissé sur une des parties du raccord avec segments métalliques qui mordent dans la paroi du tuyau
• F16L 21/08 - Raccords avec manchon ou douille avec moyens additionnels de verrouillage

Abrégé

An FRP reinforced PVC pipe joint that realizes not only uniform dispersion of reinforcing fiber and thermosetting resin but also satisfactory filling/reinforcement, ensuring good appearance and resistance to breakage; and a process for manufacturing the same. Use is made of a metal mold consisting of an upper die and a lower die and having a cavity thereinside, and a bulk molding compound (BMC) or sheet molding compound (SMC) for forming of an FRP layer is inserted in the lower die. In particular, a preformed vinyl chloride resin pipe joint is fixed in the lower die, and the BMC or SMC is inserted on the space superior to the vinyl chloride resin pipe joint. Thereafter, the upper and lower dies are closed, and pressurized integral molding is carried out.

Classes IPC  ?

• B29C 43/18 - Moulage par pressage, c.-à-d. en appliquant une pression externe pour faire couler la matière à moulerAppareils à cet effet pour la fabrication d'objets de longueur définie, c.-à-d. d'objets séparés en incorporant des parties ou des couches préformées, p. ex. moulage par pressage autour d'inserts ou sur des objets à recouvrir
• B29C 43/34 - Alimentation en matière à mouler des moules ou des moyens de pressage
• F16L 43/00 - CoudesSiphons
• F16L 47/00 - Raccordements ou autres accessoires de raccordement spécialement adaptés pour être en matières plastiques ou pour être utilisés avec des tuyaux en matières plastiques
• B29K 27/06 - PVC, c.-à-d. polychlorure de vinyle
• B29K 105/08 - Présentation, forme ou état de la matière moulée contenant des agents de renforcement, charges ou inserts de grande longueur, p. ex. ficelles, mèches, mats, tissus ou fils
• B29K 105/12 - Présentation, forme ou état de la matière moulée contenant des agents de renforcement, charges ou inserts de longueur réduite, p. ex. filaments coupés, fibres coupées ou crins
• B29L 23/00 - Objets tubulaires

Abrégé

A piping member of resin composition comprising 100 parts by mass of polyphenylene ether resin and, as an essential component, 50 to 12 parts by mass of polystyrene resin so as to exhibit a melt flow rate after kneading of 1.0 to 5.0 g/10 min. Further, there are provided piping members each containing 100 parts by mass of polyphenylene ether resin and 1 to 15 parts by mass of styrene-butadiene rubber of 10 to 40% styrene content and 20×104 or higher weight average molecular weight, individually characterized in that the molding shrinkage ratio is in the range of 0.5 to 0.8%, that the time up to rupture in the high-temperature creep performance under 5.0 MPa tensile load in 95°C atmosphere is 1000 hr or more, and that the pre-molding water content of resin composition after kneading is less than 250 ppm.

Classes IPC  ?

• C08L 71/12 - Oxydes de polyphénylène
• C08L 9/06 - Copolymères avec le styrène
• C08L 25/04 - Homopolymères ou copolymères du styrène
• F16L 9/12 - Tuyaux rigides en plastique avec ou sans armature

Abrégé

A valve having a main body with fluid inflow port and fluid outflow port provided thereinside with not only a flow channel in communication with the inflow port and outflow port but also a valve seat disposed in the flow channel and further having a valve disc designed to turn or vertically move to thereby realize pressurized contact with or departure from the valve seat so that the flow channel can be opened or closed. The valve is characterized in that at least the main body consists of a polyphenylene ether resin composition containing a polyphenylene ether resin and a polystyrene resin as essential components. As other characteristics, there can be mentioned, for example, that the polyphenylene ether resin composition has a modulus of elongation of 1000 MPa or higher and tensile strength of 20 MPa or higher in 95°C atmosphere.

Classes IPC  ?

• F16K 27/00 - Structures des logementsMatériaux utilisés à cet effet
• C08L 25/04 - Homopolymères ou copolymères du styrène
• C08L 51/04 - Compositions contenant des polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères greffés sur des caoutchoucs
• C08L 71/12 - Oxydes de polyphénylène
• F16K 7/16 - Dispositifs d'obturation à diaphragme, p. ex. dont un élément est déformé, sans être déplacé entièrement, pour fermer l'ouverture à diaphragme plat, en forme d'assiette ou en forme de bol disposé pour être déformé contre un siège plat le diaphragme étant actionné mécaniquement, p. ex. par une tige filetée ou par came

Abrégé

Provided is a valve comprising a valve body having a seat ring arranged on its internal circumference, and a valve member rotatably supported through both a stem arranged in a direction substantially perpendicular the axis of a passage in the valve body and a bush mounted on the stem. In the valve, the valve member is rotated to move the valve member forcibly to and from the seat ring on the valve body, thereby to close and open the passage. The valve body is molded after the valve member, the seat ring, the stem and the bush were arranged in advance at predetermined positions in a mold.

Classes IPC  ?

• F16K 1/22 - Soupapes ou clapets, c.-à-d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à éléments de fermeture articulés à pivot comportant disque ou volet pivotant dont l'axe de rotation traverse le corps de soupape, p. ex. régulateurs à papillon
• F16K 27/02 - Structures des logementsMatériaux utilisés à cet effet des soupapes de levage

Abrégé

A tube (14) is passed through the through holes of holders (30, 31) and the inserting portions of a first coupling (20) and a second coupling (24) are inserted into the both ends of the tube, and then it is fitted to a portion of the holder having an increased diameter. A flange portion of the second coupling (24) and the holder are secured by being pressed between a fluid control member and a measure (2), and the joint of the second coupling (24) and the fluid inflow section or outflow section of the measure (2) are connected directly in the fluid controller.

Classes IPC  ?

• G05D 7/06 - Commande de débits caractérisée par l'utilisation de moyens électriques
• F16K 7/02 - Dispositifs d'obturation à diaphragme, p. ex. dont un élément est déformé, sans être déplacé entièrement, pour fermer l'ouverture à diaphragme tubulaire
• F16K 7/04 - Dispositifs d'obturation à diaphragme, p. ex. dont un élément est déformé, sans être déplacé entièrement, pour fermer l'ouverture à diaphragme tubulaire dont l'étranglement est assuré par une force extérieure radiale
• F16K 7/06 - Dispositifs d'obturation à diaphragme, p. ex. dont un élément est déformé, sans être déplacé entièrement, pour fermer l'ouverture à diaphragme tubulaire dont l'étranglement est assuré par une force extérieure radiale par tige filetée, came ou autre moyen mécanique
• F16K 31/04 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un moteur

Abrégé

Disclosed is a piping member formed by using a propylene resin composition having a melt flow rate after kneading of 0.01-2.00 g/10 minutes. The propylene resin composition essentially contains (A) 100 parts by mass of a propylene-ethylene random copolymer having an ethylene content of 2-5%, a crystallization temperature of 86-105˚C, a melt flow rate of 0.01-2.00 g/10 minutes, and a molecular weight distribution of 3-8, and (B) 1-15 parts by mass of a styrene-butadiene rubber having a styrene content of 10-40% and a weight average molecular weight of not less than 200,000. This propylene resin composition is characterized by further containing (C) 0.1-1.0 part by mass of a hindered amine light stabilizer having a weight average molecular weight of not less than 2,000 per 100 parts by mass of the propylene-ethylene random copolymer. Also disclosed is a piping member formed by using such a propylene resin composition which is characterized in that the styrene-butadiene rubber is composed of a hydrogenated styrene-butadiene copolymer rubber.

Classes IPC  ?

• C08L 23/16 - Copolymères de l’éthylène et du propylène ou de l’éthylène, du propylène et de diène
• C08K 5/17 - AminesComposés d'ammonium quaternaire
• C08L 9/06 - Copolymères avec le styrène
• C08L 25/10 - Copolymères du styrène avec des diènes conjugués
• C08L 53/02 - Compositions contenant des copolymères séquencés possédant au moins une séquence d'un polymère obtenu par des réactions ne faisant intervenir que des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères contenant des monomères vinylaromatiques et des diènes conjugués
• F16L 9/12 - Tuyaux rigides en plastique avec ou sans armature

Abrégé

A constant flow rate valve which can keep a constant flow rate even if the fluid pressure on the upstream side and downstream side of the valve varies for fluid with a high flow rate, and with which the flow rate of fluid can be set to a desired level. In the constant flow rate valve, a body section has a valve seat at the peripheral edge of a ceiling surface opening provided on a ceiling surface of a cylinder section, a piston has a valve body corresponding to the valve seat and a flange, the flange partitions the cylinder section into a first valve chamber communicating with a first channel and a second valve chamber to which the valve seat is exposed, a gap channel is formed in the gap between the outer peripheral surface of the flange and the inner circumferential surface of the cylinder section, and a channel area between the valve body and the valve seat is varied by up/down movement of the piston to control the fluid pressure in the second valve chamber.

Classes IPC  ?

• F16K 17/30 - Soupapes ou clapets limiteurs de débit fonctionnant par différence de pression entre deux points de l'écoulement et agissant directement sur l'élément d'obturation dans un sens uniquement sous l'action d'un ressort

Abrégé

To provide resin-coated sand for a multilayer mold in which the consolidation strength of the casting mold obtained by using it and gas permeability thereof are improved at the same time, the amount of occurrence of pyrolytic products (tar, soot and the like) derived from organic substances is effectively inhibited, when molding is performed using such a casting mold, and further, the casting mold after molding can exhibit excellent collapsibility. Disclosed is resin-coated sand for a multilayer mold, in which surfaces of refractory particles are coated with a binder composition containing a phenolic novolak resin having an ortho/para bond ratio of methylene groups of 1.5 or more and an aromatic amine as indispensable constituents, and the grain fineness number is from 80 to 150.

Classes IPC  ?

• B32B 29/00 - Produits stratifiés composés essentiellement de papier ou de carton

Abrégé

[PROBLEMS] A rotary valve manufactured by installing a lock mechanism in a ready-made rotary valve, where the degree of opening of the valve is fixed only by addition of the lock mechanism, preventing erroneous operation to reduce accidents caused by such operation, and a rotary valve manufactured by replacing only a handle of an existing rotary valve to change the valve into one having the lock mechanism. [MEANS FOR SOLVING THE PROBLEMS] In the rotary valve, a stem (9) is connected to a handle (1) for opening and closing the valve, and rotation of the stem (9) rotates a valve element engaged with the stem (9). The rotary valve has a top flange (5) installed at a neck part of a valve body (10) supporting the stem (9). A cutout (7) is formed in the peripheral edge of the top flange (5). A lock body (2) having a projection (12) engageable with the cutout (7) of the top flange (5) by a torsion spring (4) is supported at the center part or holding part of the handle (1).

Classes IPC  ?

• F16K 35/00 - Dispositions empêchant la mise en action accidentelle ou non autorisée
• F16K 31/60 - Poignées
• F16K 35/06 - Dispositions empêchant la mise en action accidentelle ou non autorisée utilisant un organe de commande ou de verrouillage démontable, p. ex. une clé

Abrégé

Disclosed is a phenol resin foam having excellent flame retardance and fire resistance, good heat insulation performance, and excellent physical properties. This phenol resin foam has higher pH than the conventional phenol resin foams, while exhibiting good corrosion resistance to members in contact with the foam. Specifically disclosed is a phenol resin foam obtained by foaming and curing an expandable phenol resin molding material which contains a phenol resin, a foaming agent, a foam stabilizer, a curing agent and an inorganic filler. The foaming agent contains a chlorinated aliphatic hydrocarbon compound having 2-5 carbon atoms, and the molding material contains 70-220 parts by mass of the inorganic filler per 100 parts by mass of the phenol resin.

Classes IPC  ?

• C08J 9/14 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent physique de gonflage organique
• C08K 3/08 - Métaux
• C08K 3/22 - OxydesHydroxydes de métaux
• C08K 3/26 - CarbonatesBicarbonates
• C08L 61/06 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols

Abrégé

Hardened phenolic resin particles for carbide exhibiting a high residual carbon ratio; a process for producing the same; and a process for producing a carbide from the hardened phenolic resin particles. A phenol is reacted with an aldehyde in the presence of not only a protective colloid but also at least one compound selected from the group consisting of a phosphoric acid, a phosphoric ester, a phosphazene compound and a specified organic phosphonic acid to thereby produce unhardened phenolic resin particles, and the unhardened phenolic resin particles are hardened. The above compound is contained in the thus obtained hardened phenolic resin particles. A desired carbide is produced by firing the hardened phenolic resin particles.

Classes IPC  ?

• C08L 61/06 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols
• C01B 31/02 - Préparation du carbone; Purification
• C08G 8/10 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes de formaldéhyde, p. ex. de formaldéhyde formé in situ avec du phénol
• C08K 5/52 - Phosphore lié à l'oxygène lié uniquement à l'oxygène
• C08K 5/5399 - Phosphore lié à l'azote

Abrégé

It is intended to provide a novolak type phenol resin for shell molding by which the problem of gas defect caused by tar during casting and the problem of casting defects typified by veining can be solved at the same time. As a novolak type phenol resin in an RCS for shell molding, a novolak type phenol resin of the co-condensation type, which is obtained by reacting phenol, an alkylphenol and an aldehyde and has an ortho/para binding ratio specifying the methylene group structure of 1.5 or higher, is employed and fireproof grains are coated by it.

Classes IPC  ?

• C08G 8/04 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes
• B22C 1/22 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents organiques de résines naturelles ou synthétiques
• B22C 9/02 - Moules en sable ou moules analogues pour pièces coulées

Abrégé

Disclosed is an expandable resol type phenolic resin molding material containing a liquid resol type phenolic resin, a foaming agent, a foam control agent, an additive and an acid curing agent. The additive contains a nitrogen-containing crosslinked cyclic compound, and the foaming agent contains a chlorinated aliphatic hydrocarbon compound having 2-5 carbon atoms. Also disclosed is a phenolic resin foam obtained by foaming and curing such a molding material.

Classes IPC  ?

• C08J 9/14 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent physique de gonflage organique
• C08L 61/06 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols

Abrégé

A fluid control apparatus is provided with a fluid control valve for controlling the flow volume of a fluid by changing an opening area of a flow channel; a flow volume measuring apparatus for measuring the flow volume of the fluid, converting the measured value of the flow volume into electric signals and outputting the signals; and a control section for outputting a command signal for controlling an opening area of the fluid control valve to the fluid control valve or to an apparatus which operates the fluid control valve, based on a deviation of the electric signal from a set flow volume outputted from the flow volume measuring apparatus.

Classes IPC  ?

• G05D 7/06 - Commande de débits caractérisée par l'utilisation de moyens électriques
• F16K 1/32 - Soupapes ou clapets, c.-à-d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation Détails
• F16K 7/06 - Dispositifs d'obturation à diaphragme, p. ex. dont un élément est déformé, sans être déplacé entièrement, pour fermer l'ouverture à diaphragme tubulaire dont l'étranglement est assuré par une force extérieure radiale par tige filetée, came ou autre moyen mécanique
• F16K 7/07 - Dispositifs d'obturation à diaphragme, p. ex. dont un élément est déformé, sans être déplacé entièrement, pour fermer l'ouverture à diaphragme tubulaire dont l'étranglement est assuré par une force extérieure radiale par pression d'un fluide
• F16K 31/04 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un moteur
• F16K 41/12 - Joints d'étanchéité pour tiges avec un diaphragme, p. ex. en forme de soufflet ou de tube le diaphragme étant sensiblement plat

Abrégé

A fluid control apparatus is provided with a fluid control valve for controlling the pressure of a fluid by pressure operation of a fluid for control; a flow volume measuring apparatus for measuring the flow volume of the fluid, converting the measured value of the flow volume into electric signals and outputting the signals; and a control section for outputting a command signal for controlling an opening area of the fluid control valve to the fluid control valve or to an apparatus which operates the fluid control valve, based on a deviation of the electric signal from a set flow volume outputted from the flow volume measuring apparatus.

Classes IPC  ?

• G05D 7/06 - Commande de débits caractérisée par l'utilisation de moyens électriques
• F16K 31/126 - Moyens de fonctionnementDispositifs de retour à la position de repos actionnés par un fluide le fluide agissant sur un diaphragme, un soufflet ou un organe similaire
• F16K 41/12 - Joints d'étanchéité pour tiges avec un diaphragme, p. ex. en forme de soufflet ou de tube le diaphragme étant sensiblement plat

Abrégé

To provide a light-weight resin member, for a valve, which has high strength and can be used in a high-temperature atmosphere, and is also excellent in chemical resistance and corrosion resistance. A resin member for a valve, which is produced by molding a molding material having a tensile strength of 80 to 400 MPa at normal temperature, and a resin member for a valve, which is produced by molding a molding material having a tensile strength of 75 to 350 MPa at 120° C. are disclosed. There is also disclosed a resin member for a valve, which is produced by molding a molding material comprising a resin composition containing an epoxy acrylate resin (A) having a hydroxyl value of 60 to 100, a polyisocyanate compound (B) having 0.1 to 1.5 isocyanate groups per one hydroxyl group of the epoxy acrylate resin (A), a curing agent (C) and an internal mold release agent (D), and 20 to 70% by weight of a fiber reinforcing material (E).

Classes IPC  ?

• F16K 25/00 - Détails constitutifs relatifs au contact entre corps de soupapes ou de clapets et leurs sièges

Abrégé

A resin-coated san for use in cast steel, comprising a casting sand, a phenolic resin in an amount of 2.5 to 5.0% by weight relative to the amount of the casting sand, potassium nitrate and vinsole. A steel casting manufactured by the casting on a casting mold which is molded using the resin-coated sand can effectively prevent the occurrence of hot-cracking or bath wrinkle even in a thin and large-sized article.

Classes IPC  ?

• B22C 1/22 - Compositions des matériaux réfractaires pour moules ou noyauxLeur structure granulaireCaractéristiques chimiques ou physiques de la mise en forme ou de la fabrication des moules caractérisées par l'emploi des agents liantsMélange d'agents liants d'agents organiques de résines naturelles ou synthétiques
• B22C 9/00 - Moules ou noyauxProcédés de moulage
• B22C 9/02 - Moules en sable ou moules analogues pour pièces coulées

Abrégé

Disclosed is a propylene resin composition for piping members essentially containing (a) 65-90 parts by mass of a propylene resin homopolymer, (b) 10-25 parts by mass of a talc having an average particle diameter of 1-10 騜m, and (c) 1-10 parts by mass of at least one rubber component selected from ethylene-propylene rubbers, ethylene-butene rubbers, styrene-butadiene rubbers and styrene-isoprene rubbers. This propylene resin composition is characterized in that the MFR after melt-mixing these components (a)-(c) is 0.01-2.00 g/10 min. Also disclosed are a piping member molded by using such a propylene resin composition and a multilayer piping member.

Classes IPC  ?

• C08L 23/12 - Polypropylène
• C08K 3/34 - Composés contenant du silicium
• F16L 11/04 - Manches, c.-à-d. tuyaux flexibles en caoutchouc ou en matériaux plastiques flexibles

Abrégé

Disclosed are: an expandable phenolic resin molding material which can be formed into a phenolic resin foam having an excellent strength, an improved brittleness, a higher pH value compared to a conventional one and a good corrosion resistance against a member with which the material is contacted; and a phenolic resin foal having these properties. An expandable resol-type phenolic resin molding material comprising a liquid resol-type phenolic resin, a foaming agent, a foam controlling agent, an additive and an acid curing agent, the foaming agent comprising an organic non-reactive foaming agent, and the additive comprising a nitrogenated cross-linked cyclic compound; and a phenol resin foam formed by foaming and curing the molding material.

Classes IPC  ?

• C08J 9/14 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent physique de gonflage organique
• C08K 3/18 - Composés contenant de l'oxygène, p. ex. métaux-carbonyles
• C08K 5/34 - Composés hétérocycliques comportant de l'azote dans le cycle
• C08L 61/06 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols

Abrégé

The object of the present invention is to provide an expandable or foamable resol-type phenolic resin forming material that gives a phenolic resin foamed material or article which is excellent in strength and improved in brittleness and which has a high pH as compared with conventional materials or articles and has an excellent anti-corrosion property against a contact member, and a phenolic resin foamed material or article having the above properties, obtained by foaming the same, which are a foamable resol type phenolic resin forming material comprising a liquid resol type phenolic resin, a blowing agent, a foam stabilizer, an additive and an acid curing agent, said blowing agent comprising an organic non-reactive blowing agent and said additive comprising a nitrogen-containing bridged cyclic compound, and a phenolic resin foamed material or article obtained by foaming this forming material.

Classes IPC  ?

• C08J 9/14 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent physique de gonflage organique
• C08K 3/18 - Composés contenant de l'oxygène, p. ex. métaux-carbonyles
• C08K 5/34 - Composés hétérocycliques comportant de l'azote dans le cycle
• C08L 61/06 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes avec des phénols