Abrégé

[Problem] To provide a conduit line information collection apparatus that enables easy monitoring on a conduit line which pose difficulty for confirmation of condition thereof due to being buried in the ground or the like. [Solution] This apparatus is provided with: a deformable bellows part 7 (flexible part) which is provided to a conduit line 1; a power-generating device 3 which generates electric power in response to a deforming action of the bellows part 7; a transmission device 5 which is driven by the electric power generated by the power-generating device 3 and which wirelessly transmits the electric power of the power-generating device 3 as information concerning the conduit line 1; and a reception device 6 which receives a signal transmitted from the transmission device 5. As the bellows part 7 vibrates, electric power is generated by respective piezoelectric elements 11 in the power-generating device 3, and the generated electric power can be used as data that indicates the condition of the conduit line 1 and the condition of a fluid.

Classes IPC  ?

• F17D 5/06 - Prévention, interception ou localisation des pertes utilisant des moyens électriques ou acoustiques
• F16L 27/12 - Raccords réglablesRaccords permettant un déplacement des parties raccordées permettant réglage ou déplacement sensiblement longitudinal

Abrégé

Provided is a flexible pipe protection structure that can easily protect even a general-purpose flexible pipe and can easily protect even a part of a pipe. The protection structure (1) according to the present invention is a structure for protecting a flexible pipe 3 in sprinkler piping (2), and comprises: a blade (4) made of metallic fibers; metal caulking covers (5) mounted inside the blade (4); and a cylindrical metal blade collar (6). The caulking covers (5) have a shape formed with halved pieces of a cylindrical member, and when fitted together, a pair of halved caulking covers (5) form a cylindrical shape. Each of the caulking covers (5) is provided with engagement protrusions (11) that protrude radially inward from the surface. Each of the caulking covers (5) is mounted to the outer circumferential surface of the flexible pipe (3), and thus the engagement protrusions (11) provided at two locations come into engagement with grooves (9) of the flexible pipe (3).

Classes IPC  ?

• F16L 57/00 - Protection des tuyaux ou d'objets de forme similaire contre les dommages ou les usures internes ou externes
• F16L 11/11 - Manches, c.-à-d. tuyaux flexibles en caoutchouc ou en matériaux plastiques flexibles à paroi ondulée

Abrégé

[Problem] To make it possible to maintain the normal diameter, without deformation, of a pipe body comprising a flexible bellows-shaped steel piping and a turning-prevention resin member that is to be externally fitted and adhered to the outer periphery of the steel piping. [Solution] The present invention comprises a long, hollow, flexible steel piping 11, and a turning-prevention resin member that has a predetermined width and that is to be externally fitted and adhered to the outer periphery of the steel piping, the steel piping 11 and the resin member 12 being fixed to each other via a pipe body diameter maintaining mechanism 20 that is operated so that the equilibrium of the pressing force of the steel piping and the resin member against each other is maintained; due to this configuration, a pipe body is formed without deformation of the diameter thereof.

Classes IPC  ?

• A62C 35/68 - Détails, p. ex. de conduites ou de systèmes de soupapes

Abrégé

Provided is metal pipe bellows forming for bulge forming such that in a metal mold having a complex shape, as in a clamping mechanism, wherein a pipe is bound and bellows forming is carried out on the outer periphery of the pipe, operation of each part can be carried out reliably and processing can be carried out rapidly and reliably by integrating the operations for each part. [Problem] In forming by a split die for forming a bellows in the outer periphery of a pipe P by the split die binding the outer periphery of a pipe p, progressing freely in the axial direction, and adjusting hydraulic pressure introduced to the inside of the pipe P, a plurality of split dies 12 for forming, which constitute a forming area 100, are opened and closed in a fan-like fashion by a mold opening and closing cylinder mechanism 11 and split dies 12 for pressing are opened and closed in a fan-like fashion while moving in concert with a mold clamping cylinder mechanism 13. Furthermore, each axis thereof is linked such that the split dies 12 for forming act in concert with operation of the split dies 12 for pressing.

Classes IPC  ?

• B21D 15/10 - Opérations permettant d'obtenir des tubes à surface ondulée les ondulations étant faites dans le sens transversal, p. ex. helicoïdalement en appliquant une pression de fluide
• B21D 26/033 - Déformation de corps tubulaires

Abrégé

[Problem] In hydraulic forming of bellows, to prevent an increase in the size and complexity of a device using a simple construction, and to make it possible to reduce the quantity of water and reduce power consumption. [Solution] Two ends of a hollow starting material pipe (P) are hermetically sealed by means of a fixed die (12) and a movable die to form a space (S) in a hollow portion of the starting material pipe (P). A divided die (14) is disposed on the outer periphery of the starting material pipe (P) in order to mold the bellows, and a core (17) of a liquid quantity adjustment mechanism (15) is inserted into the space (S) in the starting material pipe (P) with freedom to move forward or backward, to form a space that is different after the core (17) has been inserted compared with the space before the core (17) has been inserted, and bellows molding liquid (W) is introduced via a liquid feed hole (17a) in the core (17) into the sealed space (S1) having the smaller volume after said insertion.

Classes IPC  ?

• B21D 15/10 - Opérations permettant d'obtenir des tubes à surface ondulée les ondulations étant faites dans le sens transversal, p. ex. helicoïdalement en appliquant une pression de fluide
• B21D 26/033 - Déformation de corps tubulaires

Abrégé

The purpose of the present invention is, in a split mold formed from a combination of an inner mold and an outer mold for the mold main body for forming a bulge, to prevent collapse of a mold main body and achieve thinning of plates for a bellows and reduction in manufacturing costs by an outer mold rotating method in which a pipe is not directly sandwiched and held. The present invention relates to molding a metal bellows for bulge forming for producing swelling of the bellows on the outer periphery of a pipe by hydraulic pressure introduced into the pipe, said bulge forming: involving an inner mold, which is a semicircular shaped plate body and sandwiches and holds the pipe centered on a semicircular hole, and an outer mold, which is formed from the remainder plate body, joined to the inner mold, and combined with the inner mold so as to slide rotatably; and forming a bulge by rotating the outer mold via a rotary drive mechanism so that the facing surface part of the outer mold is moved to a different rotational movement position with respect to the facing surface part of the inner mold that holds the pipe in a fixed position. In addition, the present invention is provided with a hydraulic pressure adjusting mechanism wherein the amount of liquid W for bellows expansion introduced into the pipe P when molding the bellows is reduced, thereby improving moldability and easiness.

Classes IPC  ?

• B21D 26/047 - Structure du moule

Abrégé

Provided is outer-die rotation-type bulge processing-use metal bellows formation, in which in carrying out bellows forming using bulge processing, the bellows are formed by a pair of molding-use split dies which consist of a combined outer die and an inner die, plate thickness is made thinner, and bellows pitch-intervals are made narrower. In bulge processing bellows, a molding-use split die 11: transmits rotational force transmitted from a rotational driving mechanism 21 to an outer die-use driving shaft 19 of a support-use guide shaft; and holds an original pipe P, and with respect to an inner die 12 which is maintained at a fixed position, causes an outer die 13 to be rotationally moved to a movement position different from the inner die 12. The inner die 12 and the outer die 13 are combined via a V-shaped fitting mechanism X.

Classes IPC  ?

• B21D 15/10 - Opérations permettant d'obtenir des tubes à surface ondulée les ondulations étant faites dans le sens transversal, p. ex. helicoïdalement en appliquant une pression de fluide
• B21D 26/039 - Moyens de commande pour verrouiller ou ouvrir les moules
• B21D 26/041 - Moyens de commande pour commander le fluide, p. ex. la pression ou la température
• B21D 26/047 - Structure du moule
• B21D 37/02 - Structures de matrices permettant l'assemblage des parties de la matrice de différentes façons

Abrégé

An automatic formation device or an automatic formation system that sets an equipment operation time from a required manufacturing time per product during the manufacturing of tubes having a round, polygonal, or oblong cross-section, wherein values are calculated from a preset time (T), and the product diameter (D), pitch (P), and product length (L) of a metal strip plate to be wound, operations of respective components are controlled on the basis of the calculated values while the respective values are being controlled, and the metal strip plate is held by a chuck that is disposed on the tip side of a winding core metal and rotates in a synchronized manner so as to prevent loosening of the wound metal strip plate by tightening/untightening the metal strip plate as needed. Also, a rotation speed correction function for a motor system is added.

Classes IPC  ?

• B21C 37/12 - Fabrication de tubes ou de tuyaux métalliques à jonction hélicoïdale
• F16L 9/16 - Tuyaux rigides faits d'enroulements de feuilles ou de bandes, avec ou sans armature

Abrégé

The manufacture of interlock tubes, wherein: tubes, with a circular cross-section or the number of corners in the cross-section being similar to a circle, are easily formed with high precision and without loosening; processability during cutting, etc. is excellent; and the device itself has excellent work efficiency. Interlock tubes are manufactured with excellent work efficiency, etc. by: winding a metal band helically on a winding mandrel, the cross-section of which is circular or a shape in which the number of corners in the cross-section is similar to a circle; installing a fastening chuck on the tip end of the winding mandrel so as to allow free release and fastening; and rotating and synchronizing so as to prevent loosening of the metal band on the basis of commands from a computing/control unit, which integrates the operations of the various units.

Classes IPC  ?

• B21C 37/12 - Fabrication de tubes ou de tuyaux métalliques à jonction hélicoïdale
• F01N 13/08 - Autres aménagements ou adaptations des tubulures d'échappement
• F16L 11/16 - Manches, c.-à-d. tuyaux flexibles en un matériau rigide, p. ex. en métal ou en matériaux plastiques durs faites d'enroulements de bandes ou de lanières profilées

Abrégé

In order to enable compactness to be achieved with respect to forming, and achieve a reduction in press abrasion, achieve an improvement in workability with respect to bulge processing, and enable forming to be performed efficiently at a low cost, a metallic mold device which constitutes a bulge formation region is arranged in the central area of a device main body, a pipe transport device which constitutes a pipe transport region is arranged on the right side in the figure, and a core metal support device which constitutes a core metal support region is arranged on the left side in the figure. Bulge formation is performed by repeating a series of operations wherein bulge formation is performed by moving an element pipe that has been placed in the pipe transport region from the bulge formation region to the core metal support region and then drawing the element pipe back to the bulge formation region again, thus extruding a flexible pipe in the pipe transport region, and then replacing this flexible pipe with a new element pipe.

Classes IPC  ?

• B21D 15/06 - Opérations permettant d'obtenir des tubes à surface ondulée les ondulations étant faites dans le sens transversal, p. ex. helicoïdalement annulairement

Abrégé

The present invention relates to a forming system for working material and a forming method for working material which are capable of: reciprocating movement during forming; reducing the size of the required machinery; reducing press abrasion; improving the workability of hydroforming; and performing highly efficient forming at lost cost. A pipe or other such working material, which has been placed in a conveyance area, is passed into a forming area and moved into a receiving area, whereupon a forming process is performed while the pipe is pulled back once again into the forming area, the formed product of working material is pushed out into the conveyance area, and this formed product is exchanged for a new working material. This series of actions can be performed repeatedly.

Classes IPC  ?

• B21D 15/10 - Opérations permettant d'obtenir des tubes à surface ondulée les ondulations étant faites dans le sens transversal, p. ex. helicoïdalement en appliquant une pression de fluide
• B21D 26/033 - Déformation de corps tubulaires

Abrégé

The disclosed tube machining device (10) is provided with: two chucks (11, 12) that respectively hold a first and second holding position (H1, H2) in a manner so as to sandwich a heated section (S) therebetween resulting from a pipe (P) heating coil (14); and a mandrel (13) that contacts the pipe (P) between the holding positions (H1, H2) and supports the pipe (P). Also, using conveyance devices (15, 16), the distance between the holding positions (H1, H2) is reduced, and compression force is applied to the pipe (P) in the axial direction therebetween.

Classes IPC  ?

• B21D 15/06 - Opérations permettant d'obtenir des tubes à surface ondulée les ondulations étant faites dans le sens transversal, p. ex. helicoïdalement annulairement
• B21D 15/10 - Opérations permettant d'obtenir des tubes à surface ondulée les ondulations étant faites dans le sens transversal, p. ex. helicoïdalement en appliquant une pression de fluide
• F16J 3/04 - Soufflets
• B21D 51/12 - Fabrication d'objets creux caractérisés par la structure des objets d'objets à parois ondulées

Abrégé

The disclosed pipe machining device (10) is provided with: a heating coil (13) that heats a heated section (S) of a bellows pipe (B); conveyance mechanisms (14, 15) that convey the bellows pipe (B); and a control unit (16) that controls the conveyance mechanisms (14, 15). The conveyance mechanisms (14, 15) also function as a compressive-force-applying means that applies compressive force in the axial direction of the bellows pipe (B). The control unit (16) controls the conveyance mechanisms (14, 15) in a manner so that the pipe (P) is conveyed by a distance each time that is twice the pitch of a wave-shaped corrugation that is continuously formed to the bellows pipe (B).

Classes IPC  ?

• B21D 15/06 - Opérations permettant d'obtenir des tubes à surface ondulée les ondulations étant faites dans le sens transversal, p. ex. helicoïdalement annulairement
• B21D 15/10 - Opérations permettant d'obtenir des tubes à surface ondulée les ondulations étant faites dans le sens transversal, p. ex. helicoïdalement en appliquant une pression de fluide
• F16J 3/04 - Soufflets
• B21D 51/12 - Fabrication d'objets creux caractérisés par la structure des objets d'objets à parois ondulées