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7562684 |
Motorcycle radial tire with specified steel belt cord
The durability is improved by using as a carcass ply cord or a belt cord of a tire a cord formed by twisting plural steel filaments having a tensile strength of not less than 2700 N/mm 2 , and a...
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7552753 |
Tire for a vehicle wheel comprising at least one single strand metallic reinforcing cord
A tire for a vehicle wheel includes at least one metallic reinforcing cord comprising a single strand of elementary filaments preformed by sinusoidal waving and wound together. The number of...
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7493748 |
Pneumatic tire with metal cord and method of manufacturing metal cord
A pneumatic tire includes metal cords each made of metal filaments twisted together, the metal cords having an initial elongation in a range of from 0.05 to 0.20% and a standard deviation of the...
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7434381 |
Method and device for manufacturing a wire cord
A machine for manufacturing a cord consisting of twisted metallic wires comprises a pair of crimping wheels with meshing toothed surfaces for crimping a plurality of wires when they are passed...
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7251922 |
Tire reinforcing steel cord and tire
A zero degree tire reinforcing steel cord is formed by twisting together four to seven individual wires having a wire diameter of 0.20 to 0.45 mm, wherein the steel cord has a substantially spiral...
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7131257 |
Metal cord and pneumatic tire including the same
A metal cord for reinforcing rubber articles and a pneumatic tire including metal cords to reinforce tire components such as carcass, breaker and band are disclosed, wherein a metal cord according...
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7114319 |
Unidirectional long fiber three dimensional fiber structure produced by short fiber intertwining and production method thereof
A unidirectional three dimensional fiber structure is provided which does not require weaving, displays a high level of interlayer strength and does not suffer from cracking, and which can also be...
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6959745 |
Steel cord, method of making the same and pneumatic tire including the same
A steel cord is composed of three to six steel filaments each having a filament diameter of from 0.25 to 0.45 mm, the three to six steel filaments including shaped filaments and twisted together,...
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6904744 |
Steel cord for reinforcing rubber articles
Steel cord includes a first group and a second group. The second group is helically twisted around the first group with a cord twisting step. The first group includes a first number of first steel...
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6851293 |
Wire reduction device
A device re-shapes formed wire after processes such as annealing where wire is wound on bobbins. The device includes a reservoir for containing lubricant having a first open end and a second open...
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6829880 |
Tire comprising metal cord
A tire for a vehicle wheel, includes a torus-shaped carcass, a tread located on a periphery of the carcass, and a pair of axially-facing side walls ending with beads reinforced with bead wires and...
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6805178 |
Metallic cord and carcass ply of pneumatic tire including same
A metallic cord is composed of metallic filaments gathered together, the metallic filaments include at least one patterned filament which is, before gathered together, two-dimensionally waved so as...
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6745806 |
Radial tire for heavy load with specified metal carcass cord
The invention improves rubber permeability while making a cord diameter compact. A metal cord is constituted by a layered structure having a core comprising totally 6 to 12 filaments sectioned into...
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6698179 |
Metal cord and process for manufacturing a metal cord
A process for manufacturing a metal cord includes the steps of permanently deforming at least one wire using a substantially sinusoidal deformation lying in a plane and stranding the at least one...
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6681555 |
False twister, especially for producing spiral filaments
The invention relates to a false twister ( 10 ), especially for producing spiral filaments. The false twister comprises a rotatably driven twister ( 17 ) with at least one guide roller ( 18 )...
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6446423 |
Method and device for manufacturing a metal cord for reinforcing elastomeric products, particularly tires
A machine for manufacturing metal cords includes a supporting structure, a rotor engaged with respect to the supporting structure, a cradle fastened to the supporting structure, feeding devices...
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6442922 |
Tire-reinforcing steel cord and pneumatic radial tire using the same
Disclosed herein are a tire-reinforcing steel cord and a pneumatic radial tire using the same. The tire-reinforcing steel cord includes an inner layer consisting of 3 filaments and an outer layer...
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6434922 |
Track sliding facilitating method and device for a wire stranding machine
A method and a device for facilitating the sliding, along a track, of an element having a predominant axial dimension subjected to an intense force pressing it against the track, particularly for...
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6425428 |
Steel cord having flat side surface portion, method of manufacturing same, and pneumatic tire reinforced with same
Steel cord is manufactured by: forming a plurality of bends, per filament length equivalent to one twist pitch, on each of filaments which constitute an outer layer sheath, with the filament length...
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6405774 |
Rubber reinforcing steel cord and heavy duty pneumatic radial tire using the steel cord
A rubber reinforcing steel cord of a bundle-twisted+layer-twisted structure obtained by arranging 9 steel filaments around 3 steel filaments each being two-dimensionally wave-like shaped in the...
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6327843 |
Process and apparatus for the manufacture of reinforcing metallic cord for elastomer-matrix composite articles
A cord comprising at least a first pair and a second pair of wires (2a, 2b) of different diameter randomly disposed in transverse cross section thereof, is obtained by arranging in a nacelle (7) of...
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6324824 |
Method and machine for stranding two conductors
Method and machine for stranding two conductors, as two helices offset by a half stranding length in the same winding direction, without turning the conductors about respective axes thereof. The...
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6301871 |
Rotating winch for stranding lines
Rotating winch for stranding lines comprising a hollow rotor (1) wherein a motor (9) suitable for rotating a drawing drum (12) around an axis perpendicular to the axis of rotation of the rotor (1)...
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6295798 |
Method and apparatus for manufacturing steel card
The present invention relates to a method and an apparatus for manufacturing a steel cord. A method according to the present invention comprises the steps of: combining a plurality of the steel...
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6151879 |
Wire filament, especially for reinforcing rubber of plastic items, process for its production and device for implementing the process
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6109017 |
Steel cord and steel radial tire
A steel cord according to this invention comprises two core wires and five outer wires each having a diameter larger than that of each core wire and integrally twisted on the core wires, wherein a...
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6102095 |
Corrosion resistant steel cords and pneumatic tires reinforced with same
A corrosion resistant steel cord for reinforcing rubber articles, particularly a belt and/or carcass of a pneumatic tire, has a residual compressive stress inside the twisting helix of each steel...
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6089293 |
Tire containing reinforcement ply with parallel extensible reinforcing members and method of manufacture
A reinforcement ply for an elastomeric article comprises a plurality of parallel extensible reinforcing members laid at a substantially constant end count perpendicular to their longitudinal...
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6065518 |
Heavy duty pneumatic tire with high elongation steel belt cord
A heavy duty pneumatic tire comprises a belt disposed radially outside a carcass and radially inside a tread portion, the belt comprising at least one ply of at least one high-elongation steel...
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6016647 |
Manufacturing method and apparatus of steel cord for rubber product reinforcement
A method for using a bunching type twisting machine to manufacture a steel cord made up of one core filament having a continuous wavy form and five to eight sheath filaments not having a wavy form...
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5946897 |
Production unit for twisted cable
A production unit for twisted cable is disclosed that facilitates the supply and removal of fixed length cables, thereby contributing to improved workability and automation compatibility. A...
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5911675 |
Steel cord for reinforcing rubber product and pneumatic tire using such steel cord
A steel cord for reinforcing a rubber product includes a core consisting of one steel filament and a sheath consisting of a plurality of steel filaments wound around the core. The steel filament of...
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5878564 |
Open steel cord structure
A steel cord (114) comprises strength elements (100, 132) and having a length, a longitudinal central axis (112) and a cord pitch. At least one of the elements (100) has a projection on a plane YZ...
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5822973 |
Corrosion resistant steel filament
A steel cord intended for use to reinforce rubber products is produced by drawing, into a steel filament of 0.10 to 0.40 mm in diameter and more than 3,000 N/mm 2 in strength, a wire rod having a...
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5822972 |
Air curtain nep separation and detection
A nep separator and detector for presenting a fiber sample having fibers, neps, and trash. A toothed rotating cylinder receives the fiber sample at a fiber sample receiving point, and impacts and...
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5806296 |
Corrosion resistant spiral steel filament and steel cord made therefrom
A steel cord intended for use to reinforce rubber products is produced by drawing, into a steel filament of 0.10 to 0.40 mm in diameter and more than 3,000 N/mm 2 in strength, a wire rod having a...
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5775079 |
Apparatus for imparting virtual twist to strand material and method of imparting same
An apparatus and method for imparting a virtual twist to strand material is provided. The apparatus preferably has a textile strand supply source for supplying a plurality of strands of textile...
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5772809 |
Pneumatic tires with specified steel belt cords
A pneumatic tire comprises a carcass toroidally extending between a pair of bead portions and a belt arranged outside the carcass in a radial direction of the tire and composed of at least one belt...
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5765357 |
Method for producing a compacted wire strand substantially triangular in shape for making wire rope
A method for producing a compacted wire strand substantially triangular in shape for making wire rope includes the steps of (i) unwinding a central group of wires from a bobbin, the central group...
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5743078 |
M+n steel cord with equal PLE per filament
A steel cord (30) consists of a first group and a second group. The first group comprises two or more plastically deformed outer steel filaments (10) twisted around each other with a first twist...
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5722226 |
Steel cord for reinforcement of off-road tire, method of manufacturing the same, and off-road tire
A steel cord effective for reinforcing a super-large off-road tire wherein strands made by simultaneously twisting together 3 to 6 steel wires in the same twisting direction with the same pitch...
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5707467 |
Steel cords, radial tire reinforced with same, and apparatus for producing same
A high elongation compact helical steel cord with a high degree of elongation at break of not less than 5% has a (1×n) structure comprising three or more base wires which are helically preformed...
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5661965 |
Steel cords for the reinforcement of rubber articles and heavy duty pneumatic radial tires using the same
A rubber article-reinforcing steel cord includes a core obtained by forming a single filament in a wavy shape, an inner sheath formed by arranging 5 to 6 filaments around the core, and an outer...
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5651246 |
Method of production of steel cord for reinforcing products having a flat section
A method for producing a steel cord from 3 to 6 steel filaments on which a coating is applied to retain the adhesion to a rubber, the steel cord being destined for use to reinforce a rubber product...
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5606852 |
Waved-shaped, curled steel cord for reinforcing rubber articles and pneumatic radial tire using the same
A steel cord for reinforcing rubber articles and a pneumatic radial tire having a belt layer using the same, in which the steel cord comprises a core made of a steel filament wave-shaped in a plane...
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5584169 |
Steel cord
A steel cord for reinforcing rubber articles comprises one wave-form or helical core steel filament and a plurality of sheath steel filaments disposed around the core steel filament, the pitch Pc...
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5581990 |
Twisting steel cord with wavy filament
A steel cord comprises steel filaments twisted around each other in a first direction about at least one steel core filament having a wave form. The twisted filaments are individually subjected to...
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5551224 |
Device for reverse-twisting stranding elements
A device for the reverse-twisting of stranding elements (4), comprising a stationary guide disk (1) and a twisting disk (2) located at a distance from the guide disk and able to rotate around its...
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5533327 |
Preforming head for making ropes and cable armor
A preforming head for making ropes and cable armor including an axle with a front preforming disk fixedly mounted thereon. A middle preforming disk and a rear preforming disk are displaceably...
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5502960 |
Steel cord for reinforcement of rubber products
A steel cord for reinforcing automobile tires is composed by intertwisting at least one material wire having small spiral-like curls and 1 to 5 straight material wires. This restricts the ratio of...
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