Abrégé

A steel cord for tire belt ply reinforcement includes a cord formed by periodically twisting n wires, wherein the n wires are compressed by rolling, and at least one of the n wires is compressed into a non-circular shape, when n is an odd number, a cross-section of one wire from among the n wires is circular due to rolling, and cross-sections of n−1 wires from among the n wires are non-circular, and when n is an even number, cross-sections of two wires from among the n wires are circular due to rolling, and cross-sections of n−2 wires from among the n wires are non-circular due to rolling.

Classes IPC  ?

• D07B 1/06 - Cordes ou câbles de fils métalliques, p. ex. de fil métallique profilé autour d'un noyau de chanvre
• B60C 9/00 - Armatures des pneumatiques ou disposition des nappes dans ces derniers
• D07B 5/00 - Fabrication de cordes ou câbles avec des matériaux spéciaux ou de forme particulière

Abrégé

A plated steel wire, according to one aspect of the present invention, comprises: a base steel wire; and a zinc alloy plated layer. The zinc alloy plated layer comprises, in percentage by weight: 1.0% to 3.0% of AI; 1.0% to 2.0% of Mg; 0.5% to 5.0% of Fe; and the balance being Zn and unavoidable impurities, and includes a Zn/MgZn2/AI ternary eutectic structure, a Zn single-phase structure, and an Fe—Zn-AI-based crystal structure, wherein the Fe—Zn-AI-based crystal structure is formed adjacent to the base steel wire, and can have an average thickness of ⅕ to ½ with respect to an average thickness of the zinc alloy plated layer.

Classes IPC  ?

• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C22C 18/00 - Alliages à base de zinc
• C23C 2/02 - Pré-traitement du matériau à revêtir, p. ex. pour le revêtement de parties déterminées de la surface
• C23C 2/26 - Post-traitement
• C23C 2/38 - FilsTubes

Abrégé

The present invention relates to a high-pressure gas storage container and a method for manufacturing the high-pressure gas storage container. The high-pressure gas storage container of the present invention comprises: a liner having a storage space therein; and a composite material layer coupled to the liner, wherein the composite material layer comprises a resin, fibers, and steel wires, and the method for manufacturing the high-pressure gas storage container, according to the present invention, comprises: a resin impregnation step of impregnating a plurality of fibers with a resin; a fiber supply step of supplying the plurality of fibers to a traverse device; a steel wire supply step of supplying a plurality of steel wires to the traverse device; an arrangement step of arranging, through an arrangement unit, the plurality of steel wires on the plurality of fibers impregnated with the resin and contacting each other; and a coupling step of coupling the composite material layer to the liner by winding the plurality of fibers and the plurality of steel wires around the liner.

Classes IPC  ?

• F17C 1/06 - Enveloppes protectrices constituées par un enroulement de bandes ou de matériaux filiformes p. ex. fils métalliques
• B29B 15/12 - Revêtement ou imprégnation d'agents de renforcement de longueur indéfinie
• B29C 70/32 - Façonnage par empilage, c.-à-d. application de fibres, de bandes ou de feuilles larges sur un moule, un gabarit ou un noyauFaçonnage par pistolage, c.-à-d. pulvérisation de fibres sur un moule, un gabarit ou un noyau sur un moule, un gabarit ou un noyau rotatifs
• B29C 53/58 - Enroulement et assemblage, p. ex. enroulement en spirale hélicoïdal

Abrégé

Provided are a steel cord and a single steel wire having excellent straightness quality for reinforcing tire and a method of manufacturing the steel cord and single steel wire. The steel cord and the single steel wire include a wire undergoing through a drawing process, a heating process performed in a state in which tension is applied to the wire, and a cooling process; and a winding portion on which the wire is wound, the winding portion having a diameter greater than a diameter of the wire, wherein, when an end of the wire that has been wound on the winding portion for six months to one year is fixed on a point and the wire is pulled down vertically to 400 mm, a distance between a first axis that is perpendicular to the point and an opposite end of the wire is 30 mm or less. The method of manufacturing the steel cord and single steel wire having excellent straightness quality for reinforcing tire includes: a wire preparing process, a heating process, a cooling process, and a winding process.

Classes IPC  ?

• C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
• B21F 9/00 - Mise sous tension des fils métalliques
• B60C 9/00 - Armatures des pneumatiques ou disposition des nappes dans ces derniers

Abrégé

The present invention relates to a steel cord for reinforcing tire belt plies, comprising a cord formed by periodically twisting n wires, wherein: the n wires are compressed by rolling, the wires are compressed by rolling such that at least one of the n wires is compressed into a non-circular shape; and if n is an odd number, the cross-section of one wire from among the n wires becomes circular and the cross-section of n-1 wires becomes non-circular by rolling, and if n is an even number, the cross-section of two wires from among the n wires becomes circular and the cross-section of n-2 wires becomes non-circular by rolling.

Classes IPC  ?

• D07B 1/06 - Cordes ou câbles de fils métalliques, p. ex. de fil métallique profilé autour d'un noyau de chanvre
• B60C 9/00 - Armatures des pneumatiques ou disposition des nappes dans ces derniers

Abrégé

A plated steel wire, according to one aspect of the present invention, comprises: a base steel wire; and a zinc alloy plated layer. The zinc alloy plated layer comprises, in percentage by weight: 1.0% to 3.0% of Al; 1.0% to 2.0% of Mg; 0.5% to 5.0% of Fe; and the balance being Zn and unavoidable impurities, and includes a Zn/MgZn2/Al ternary eutectic structure, a Zn single-phase structure, and an Fe—Zn—Al-based crystal structure, wherein the Fe—Zn—Al-based crystal structure is formed adjacent to the base steel wire, and can have an average thickness of ⅕ to ½ with respect to an average thickness of the zinc alloy plated layer.

Classes IPC  ?

• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C22C 18/00 - Alliages à base de zinc
• C23C 2/26 - Post-traitement
• C23C 2/38 - FilsTubes

Abrégé

The present disclosure relates to an electroplated bead wire having excellent oxidation resistance, of which oxidation resistance and aging adhesive strength with tire rubber are improved by forming a copper- and cobalt-plated layer by electroplating. The electroplated bead wire includes the plated layer formed through electroplating, wherein the plated layer contains 40 to 99 wt % of copper and 1 to 40 wt % of cobalt.

Classes IPC  ?

• C25D 5/00 - Dépôt électrochimique caractérisé par le procédéPrétraitement ou post-traitement des pièces
• B60C 9/00 - Armatures des pneumatiques ou disposition des nappes dans ces derniers
• C25D 3/12 - Dépôt électrochimiqueBains utilisés à partir de solutions de nickel ou de cobalt
• C25D 3/38 - Dépôt électrochimiqueBains utilisés à partir de solutions de cuivre
• C25D 7/06 - FilsBandesFeuilles
• C25D 5/10 - Dépôt de plusieurs couches du même métal ou de métaux différents

Abrégé

The present invention relates to a steel wire having an excellent straightness quality and a method for manufacturing same. The steel wire having an excellent straightness quality comprises a wire which goes through, after going through a wire drawing step, a heating step in which the wire is heated in a state where tension is applied thereto, and then goes through a cooling step, wherein when the wire is wound around a winding part having a diameter larger than the diameter of the wire during a predetermined period and then the linearity of the wire configured to have length of 400 mm is measured, the linearity of the wire is 30 mm or less. A method for manufacturing a steel wire having an excellent straightness quality comprises a wire preparing step, a heating step, a cooling step, and a linearity measuring step.

Classes IPC  ?

• C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils
• C21D 9/573 - Fours continus pour bandes ou fils métalliques avec refroidissement

Abrégé

22/AI ternary eutectic structure, a Zn single-phase structure, and an Fe-Zn-AI-based crystal structure, wherein the Fe-Zn-AI-based crystal structure is formed adjacent to the base steel wire, and can have an average thickness of 1/5 to 1/2 with respect to an average thickness of the zinc alloy plated layer.

Classes IPC  ?

• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 2/38 - FilsTubes
• C23C 2/26 - Post-traitement
• C22C 18/00 - Alliages à base de zinc
• C22C 18/04 - Alliages à base de zinc avec l'aluminium comme second constituant majeur

Abrégé

The present invention relates to an electroplated bead wire having excellent oxidation resistance, of which the oxidation resistance and the aging adhesive strength with tire rubber are enhanced by formation of a copper- and cobalt-plated layer in an electroplating manner. The electroplated bead wire comprises the plated layer formed through electroplating, wherein the plated layer contains 40-99 wt% of copper and 1-40 wt% of cobalt.

Classes IPC  ?

• C25D 7/00 - Dépôt électrochimique caractérisé par l'objet à revêtir
• C25D 3/56 - Dépôt électrochimiqueBains utilisés à partir de solutions d'alliages
• C25D 3/58 - Dépôt électrochimiqueBains utilisés à partir de solutions d'alliages contenant plus de 50% en poids de cuivre
• C25D 5/10 - Dépôt de plusieurs couches du même métal ou de métaux différents
• B60C 15/04 - Tringles de talons

Abrégé

The present invention relates to a high-strength bead wire, and a manufacturing method therefor. The high-strength bead wire preparation method comprises: a step of preparing a wire rod comprising 0.86-1.02 wt% of carbon; a film coating step of coating a phosphate film of 5-10 g/m2on the surface of the wire rod; and a drawing step of drawing the wire rod on which the phosphate film is coated, wherein: the wire rod is drawn in the drawing step by a drawing apparatus, which comprises a drawing dice capable of drawing the wire rod and a pressure dice provided in front of the drawing dice and capable of applying pressure to the wire rod; the pressure dice is formed so as to have a diameter 1.05-1.2 times the diameter of the drawing dice; and the high-strength bead wire comprises a wire rod comprising 0.86-1.02 wt% of carbon and a phosphate film of 5-10 g/m2 coated on the surface of the wire rod, and is manufactured by the manufactured method.

Classes IPC  ?

• B21C 1/16 - Étirage par des machines ou appareils dans lesquels l'effort de traction est produit par des moyens autres que des tambours, p. ex. par chariot mû longitudinalement tirant ou poussant le matériau de façon à former des tôles, des barres ou des tubes métalliques
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/18 - Alliages ferreux, p. ex. aciers alliés contenant du chrome
• B29D 30/48 - Tringles ou noyaux à talonsLeur traitement avant la fabrication du pneumatique
• B05D 5/00 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces pour obtenir des effets, finis ou des structures de surface particuliers
• C10M 105/74 - Compositions lubrifiantes caractérisées en ce que le matériau de base est un composé organique non macromoléculaire contenant du phosphore

Abrégé

The present invention relates to a steel cord and a single steel wire having excellent straightness quality for reinforcing a tire and a method for manufacturing the same. The steel cord and the single steel wire having excellent straightness quality for reinforcing a tire comprise: a wire which undergoes a heating step which is heated in a tensioned state after a wire drawing step, and which undergoes a cooling step; and a winding part having a diameter larger than the diameter of the wire and on which the wire is wound, wherein when one end of the wire, wound on the winding part for 6 months to one year, is fixed to one point and the wire is vertically lowered by 400 mm, it is preferable that a distance between a first axis which forms a line perpendicular to the one point and the other end of the wire is 30 mm or less, and wherein a method for manufacturing a steel cord and a single steel wire having an excellent straightness quality for reinforcing a tire comprises: a wire preparing step; a heating step; a cooling step; and a winding step.

Classes IPC  ?

• C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
• B60C 9/00 - Armatures des pneumatiques ou disposition des nappes dans ces derniers
• B21F 9/00 - Mise sous tension des fils métalliques
• B29D 30/38 - Entoilages de pneumatiques, p. ex. couches de cordes ou de toilesTraitement des agents de renforcement avant la fabrication des pneumatiques

Abrégé

A crimped saw wire with a flat shape includes, when a section of the crimped saw wire, which is cut in a direction perpendicular to a length direction of the crimped saw wire, is seen from the length direction of the crimped saw wire: a major axis portion, facing surfaces of which are in parallel to each other, when a circular section is pressurized at both sides thereof; and a minor axis portion protruding in a round shape from both ends of the major axis portion.

Classes IPC  ?

• H01L 21/78 - Fabrication ou traitement de dispositifs consistant en une pluralité de composants à l'état solide ou de circuits intégrés formés dans ou sur un substrat commun avec une division ultérieure du substrat en plusieurs dispositifs individuels
• H01L 23/00 - Détails de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide
• B23D 61/18 - Outils particuliers pour scier, p. ex. fil coupant comportant des dents de scie, lames de scie ou fil à scier comportant des diamants ou d'autres particules abrasives disposés individuellement dans des positions choisies
• B23D 57/00 - Machines à scier ou dispositifs de sciage non couverts par l'un des groupes

Abrégé

The present invention relates to a bead wire which is used for reinforcement of vehicle tires, and a method for producing the same. According to the present invention, through a process by which fine unevenness may be formed on the surface of a wire using electrolytic acid-treatment which allows a drawn wire to pass through an electrolytic bath in which an acid solution is received, and through a chemical displacement plating process by which a plating bath, which contains only one or a compound of two among cobalt, nickel, and manganese, passes through a copper-tin plating solution, a bead wire having superior adhesion is produced, wherein the bead wire has a plating layer formed thereon, the playing layer having a surface roughness of 0.01 to 1.50 µm and comprising: 97 to 99.99 % by weight of copper-tin (Cu-Sn), which consists of 75 to 99.99 % by weight of copper and 0.01 to 25 % by weight of tin; and 0.01 to 3.0% by weight of one or two components from among cobalt (Co), nickel (Ni) and manganese (Mn).

Classes IPC  ?

• B60C 15/04 - Tringles de talons
• C23C 18/38 - Revêtement avec du cuivre
• C23C 18/18 - Pré-traitement du matériau à revêtir
• C23C 18/48 - Revêtement avec des alliages

Abrégé

The present invention relates to a method for manufacturing a zinc-copper plated steel wire for a spring, wherein the steel wire has excellent drawability and formability. A method for manufacturing a steel wire for a spring according to the present invention comprises: a first dry drawing step for drawing a wire rod material to a wire diameter of 2.0-4.0 mm; a second dry drawing step for heat treating and then dry drawing the first dry drawn steel wire to a wire diameter of 1.5-3.5 mm; a zinc-copper plating layer forming step for sequentially forming zinc and copper plating layers on the surface of the steel wire such that the total thickness of the zinc and copper plating layers is 2.0-4.0 μm; and a third dry drawing step so that the final wire diameter is 0.5-3.0 mm and the zinc-copper plating layer thickness is 0.2-2.0 μm.

Classes IPC  ?

• B21C 1/00 - Fabrication des tôles, fils, barres, tubes métalliques ou d'autres produits semi-finis similaires par étirage
• C23C 2/04 - Procédés de trempage à chaud ou d'immersion pour appliquer le matériau de revêtement à l'état fondu sans modifier la forme de l'objet immergéAppareils à cet effet caractérisé par le matériau de revêtement
• C23C 2/38 - FilsTubes
• C23C 2/28 - Post-traitement thermique, p. ex. par traitement dans un bain d'huile

Abrégé

The present invention relates to a brass-plated steel wire for a gold-plated spring, which is a steel wire used as a material of a gold-plated spring, characterized in that a brass plating layer, which has a zinc content of 30-45% and a copper content of 55-70%, is formed on the surface of the steel wire at a thickness of 0.5-2.0μm, and the density of Fe, among the components of the brass plating layer, is 4% or less. A method for manufacturing a brass-plated steel wire for a gold-plated spring according to the present invention comprises the steps of: primarily dry-drawing a material wire rod such that the same has a diameter of 2.0-4.0mm; heat-treating the primarily drawn steel wire and then secondarily dry-drawing the same such that the same has a diameter of 0.5-1.5mm; successively forming a copper plating layer and a zinc plating layer on the surface of the secondarily drawn steel wire such that the copper content becomes 55-70% and the zinc content becomes 30-45% and then forming a brass plating layer of 2.0-4.0μm through thermal diffusion; and tertiarily drawing the same such that the final wire diameter becomes 0.01-1.0mm and the brass plating layer has a thickness of 0.5-2.0μm.

Classes IPC  ?

• C25D 7/06 - FilsBandesFeuilles
• C25D 3/58 - Dépôt électrochimiqueBains utilisés à partir de solutions d'alliages contenant plus de 50% en poids de cuivre
• C25D 5/10 - Dépôt de plusieurs couches du même métal ou de métaux différents
• C25D 5/50 - Post-traitement des surfaces revêtues de métaux par voie électrolytique par traitement thermique

Abrégé

The present invention relates to a steel cord for rubber reinforcement. In the steel cord of the present invention, cobalt is contained by 0.001 ppm to 0.1 ppm within a 4 nm top-surface of the brass-plated steel wire. A method of manufacturing the steel cord includes: providing a brass-plated steel wire; mixing a cobalt compound in a wet lubricant filled in a wet drawing bath provided with a plurality of drawing dies between one pair of multi-stage drawing cones such that the concentration of the cobalt compound becomes 0.1 ppm to 100 ppm; and causing the cobalt to be contained by 0.001 ppm to 0.1 ppm within a 4 nm top-surface of the brass-plated steel wire after the brass-plated steel wire passes through a final die by causing the cobalt to be attached to a surface of the brass-plated steel wire and alloyed with a brass layer while the brass-plated steel wire is passing through the drawing cones and the drawing dies to be subjected to multi-stage drawing.

Classes IPC  ?

• D07B 1/06 - Cordes ou câbles de fils métalliques, p. ex. de fil métallique profilé autour d'un noyau de chanvre
• C23C 18/16 - Revêtement chimique par décomposition soit de composés liquides, soit de solutions des composés constituant le revêtement, ne laissant pas de produits de réaction du matériau de la surface dans le revêtementDépôt par contact par réduction ou par substitution, p. ex. dépôt sans courant électrique
• B21C 9/02 - Emploi de compositions spécifiées pour ces opérations
• B21C 1/00 - Fabrication des tôles, fils, barres, tubes métalliques ou d'autres produits semi-finis similaires par étirage
• B21C 1/04 - Étirage des fils métalliques ou d'un matériau flexible analogue au moyen de machines ou d'appareils à étirer dans lesquels l'étirage est effectué par des tambours à plusieurs filières montées en série
• B21C 3/02 - MatricesEmploi d'un matériau spécifié pour ces filièresNettoyage de ces filières
• C10M 139/00 - Compositions lubrifiantes caractérisées en ce que l'additif est un composé organique non macromoléculaire contenant des atomes d'éléments non prévus dans l'un des groupes
• C10M 129/24 - AldéhydesCétones
• C10M 129/40 - Acides carboxyliquesLeurs sels comportant des groupes carboxyle liés à des atomes de carbone acycliques ou cycloaliphatiques comportant au moins 8 atomes de carbone monocarboxyliques
• C10M 129/46 - Acides carboxyliquesLeurs sels comportant des groupes carboxyle liés à des atomes de carbone acycliques ou cycloaliphatiques cycloaliphatiques
• C10M 129/58 - Acides naphténiques
• C10M 129/62 - Acides de la colophane

Abrégé

Provided are a cable bead manufactured using single welding and a method of manufacturing the cable bead. The method comprising manufacturing a core wire and stranding a twist cable by twisting a layer wire around an outer circumferential surface of the core wire; butt-welding both end portions of the twist cable; primarily and secondarily heat-treating the butt-welded twist cable; and grinding or cutting a butt-welded portion such that a diameter of the welded portion is greater than about 100% of and less than about 110% of a diameter of the twist cable.

Classes IPC  ?

• B60C 15/04 - Tringles de talons
• B60C 15/05 - Tringles de talons multiples, c.-à-d. plusieurs d'entre elles étant placées dans chaque talon

Abrégé

The present invention provides a saw wire having asymmetrical crimps. The saw wire comprises an asymmetrical unit crimp that is continuously formed in a zigzag shape, wherein the asymmetrical unit crimp comprises a first portion and a second portion that is bent and extended from the first portion and is longer than the first portion, and a length ratio of the first portion to the second portion is from 1:1.2 to 1:4.

Classes IPC  ?

• B23D 61/18 - Outils particuliers pour scier, p. ex. fil coupant comportant des dents de scie, lames de scie ou fil à scier comportant des diamants ou d'autres particules abrasives disposés individuellement dans des positions choisies
• B24B 27/06 - Machines à couper par meulage
• B28D 1/08 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par sciage avec des lames de scie du type sans fin, p. ex. des scies à chaîne, des scies à ruban

Abrégé

The present invention provides a structured saw wire maintaining a crimp property under slicing tension. The structured saw wire maintaining a crimp property under slicing tension comprises a unit crimp that is continuously formed in a zigzag shape, wherein the unit crimp comprises a first portion and a second portion which is bent and extended from the first portion such that an imaginary circle adjoining edges formed by the first portion and the second portion has a radius or a radius of curvature that is from 5 to 20 times a cross-sectional diameter d of the structured saw wire.

Classes IPC  ?

• B23D 61/18 - Outils particuliers pour scier, p. ex. fil coupant comportant des dents de scie, lames de scie ou fil à scier comportant des diamants ou d'autres particules abrasives disposés individuellement dans des positions choisies
• B24B 27/06 - Machines à couper par meulage
• B28D 1/08 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par sciage avec des lames de scie du type sans fin, p. ex. des scies à chaîne, des scies à ruban
• B24D 11/00 - Caractéristiques de construction des matériaux abrasifs flexiblesCaractéristiques particulières de la fabrication de ces matériaux

Abrégé

A steel cord for tire reinforcement according to the present invention is elongated in one direction and comprises a plurality of strands twisted periodically on one another, and the steel cord for tire reinforcement is characterized in that the steel cord is formed to have a first waveform having a first waveform surface and a second waveform having a second waveform surface, the first and second waveforms are formed to overlap each other, and a predetermined inclined angle is defined between the normal of the first waveform surface of the first waveform and the normal of the second waveform surface of the second waveform.

Classes IPC  ?

• B60C 9/04 - Carcasses les fils de renforcement de chaque pli de la carcasse étant sensiblement parallèles
• B60C 9/18 - Structure ou disposition des ceintures, des couches de protection, des couronnes de renforcement ou des couches amortissantes
• B29D 30/08 - Fabrication des pneumatiques