Abstract: A wire rope 10 includes a plurality of strands 12. The strands are formed from individual wires or filaments 14. The strands are wound about a central axis. A conduit 16 also extends along said central axis. The conduit 16 has walls that are permeable to a lubricating compound. The lubricating compound is injected into the channel 18 defined by the conduit. The lubricating material migrates through the conduit wall and radially outwardly therefrom to provide lubrication to the individual strands and filaments comprising the wire rope.

Abstract: The present invention relates to a metallic cord for the reinforcement of elastomers. The cord has (a) a core composed of two filaments, (b) a single filament surrounding said core and (c) a sheath of nine filaments surrounding said core and single filament.

Abstract: A rope has a rope core formed of load-bearing aramide fiber strands laid parallel to each other in concentric layers of strands and strands of an outermost layer laid with opposite lay to the rope core. As a result of the opposite lay, the torques which occur in the layers of strands when under load cancel each other out and a non-twisting rope structure is achieved. An elastic intersheath is positioned between the oppositely laid layers of strands to protect the strands against abrasion and to transmit the torque over a wide area in the rope.

Abstract: A steel cord for reinforcement of a radial tire and a radial tire employing the same are disclosed. The steel cord is made of more than three steel filaments of which one or two filaments are regularly twisted, the other filaments are open-twisted and each filament is twisted in same direction. Each steel filament using carbon steel has the carbon content of 0.7 to 0.96 wt %, the tensile strength of the filament is in the range of 260 to 380 kgf/mm2, the twisting pitch is 10 to 20 mm, and each filament is plated with brass. The topping characteristic is improved and the uniformity of tire is enhanced.

Abstract: The wire rope of this invention has at most 18 outer strands and an independent wire rope core, with the strands of the core being laid in the opposite direction to the outer strands of the rope, and a nylon jacket is provided between the core and the outer strands of the wire rope.

Abstract: A push-pull steel cable (10) comprises a core (12) and an outer layer of filaments (16) twisted around the core (12). The cable (10) is provided with an external coating (20) of polyethylene terephthalate. The coating (20) gives to the cable (10) a good resistance against corrosion, a good weatherability, a good adhesion and adhesion retention and a friction resistance which is comparable to the friction resistance of a cable with a nylon coating. The cable (10) can be used as a brake cable, a shifting lever cable or a window elevator cable.

Abstract: A steel cord (10) for reinforcing elastomeric articles. The steel cord (10) having a plurality of strands (14). Each strand (14) having a core (20) and a sheath (22). The sheath (22) being a plurality of steel filaments that are helically wrapped about the core (20). A first strand (16) extending longitudinally through the center of the steel cord (10). The remaining strands (18) being helically wrapped about the first strand (16). The core (20) of the first strand (16) being a plurality of filaments twisted together. In a preferred embodiment, the core (20) of the first strand 16 being three filaments twisted together.

Abstract: A fabric (144) for use as a stab-resistant insert in protective textiles comprises a plurality of steel cords (100). Each of the steel cords (100) comprises a longitudinal axis (102) and two or more steel filaments (104). Each of the steel filaments (104) forme a twisting angle &agr; with the longitudinal axis (102) of the steel cord (100). The steel cords (100) have two or more of such twisting angles which are substantially different from each other so that any penetrating stab or knife is stopped.

Abstract: A steel cord having a three-layer twisted construction consisting of an innermost layer, an intermediate layer, an outermost layer, and a spiral warp and being capable of achieving an improvement in the adhesion force to rubber while reducing the number of processing steps used.

Abstract: A metallic cord has (a) a core composed of two filaments either parallel or intertwisted with each other, (b) a single filament surrounding the core and (c) a sheath of nine filaments surrounding the core and single filament. Preferably, the diameter of each filament ranges from about 0.15 to 0.4 mm. The cord may reinforce elastomeric articles such as tires, belts and hoses and preferably is used in a belt ply or carcass ply of a pneumatic tire.

Abstract: 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 filament such that a ratio R.sub.1 /R.sub.0 is less than one, where R.sub.0 is the radius of curvature of a helix in each helically formed steel filament obtained by untwisting of the cord and R.sub.1 is the radius of curvature of the helix after removal of a surface layer from the inside of the helix in the steel filament. The steel filaments have a tensile strength of 4,000-4,800 N/mm.sup.2.

Abstract: A steel cord (10) adapted for the reinforcement of elastomeric products comprises a core and a layer arranged around the core. The core comprises one to four core filaments (12) and the layer comprises three to ten layer filaments (14). At least one of the core filaments (12) have a first wave form and at least one of the layer filaments (14) have a second wave form such that the first wave form is substantially different from said second wave form.This allows to control the size of the micro-gaps and to guarantee rubber penetration.

Abstract: A wire rope including a core rope having a number of strands each made of a number of wires, and a number of outer strands closed on the core rope. Each strand of the core rope has a contact section where two or more wires of the strand of the core rope come into contact with the closed outer strand. A total of contact section rates Tz is 20 percent or more of a circumference of a circumscribed circle of the core rope: Tz (%)=Ti/C.times.100, wherein Tl denotes a length of a circumferential component of the contact section, "C" denotes a length of the circumference of the circumscribed circle of the core rope. A non-contact section rate Gz is below 20 percent of the circumference of the circumscribed circle of the core rope: Gz (%)={100-(n.times.Tz)}/n, wherein "n" denotes the number of strands.

Abstract: A composite longitudinally balanced electrically conductive yarn has a textile fiber core yarn wrapped with a minimum of two, and a maximum four, filaments. One to four of the filaments are metal filaments with the remainder being synthetic filaments. Each metal filament has an equivalent diameter of between 20 and 80 microns, and a wrap frequency of between 200 and 600 turns per meter. At least one of the metal filaments is wrapped in one direction, and at least one of the remaining filaments is wrapped in the opposite direction. The composite yarns of this invention is capable of elongation to accommodate tensile stresses under use, without experiencing a change in conductivity.

Abstract: The present invention relates to conducting yarn. The conducting yarn of the invention mainly consists of a strand of nonconductive yarn crossedly wrapped with two stainless steel threads. The yarn made in this way has better softness, high impact strength, and good conducting properties, and is especially adaptable for use in fencing jackets.

Abstract: A tire cord which is improved in penetration of rubber into the cord and the fatigue resistance without increasing the diameter of the cord. The tire cord comprises a core and an inner sheath, the core consisting of three steel filaments twisted together, the inner sheath consisting of seven to nine steel filaments twisted around the core in the same direction as the core twist, the twist pitch length of the inner sheath being in the range of from 1.05 to 1.50 times the twist pitch length of the core, the diameter of the core filaments being in the range of from 0.8 to 1.0 times the diameter of the inner sheath filaments.

Abstract: A steel cord for reinforcing a rubber product has a multilayer structure consisting of two or more layers including a core, or a structure consisting of seven or more strands twisted in the same direction at the same pitch. In the steel cord, at least one of three strands that are successively adjacent to one another or that are in mutual contact is formed of two filaments that are paired substantially parallel to each other. The direction of pairing the two filaments of each strand is substantially the same over the entire length of the cord. Each of the remaining strands is formed of a single filament.

Abstract: 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.sup.2 in strength, a wire rod having a carbon content of more than 0.70% by weight, and twisting a plurality of such steel filaments together. Also a pneumatic tire is provided which employs in at least a portion of a reinforcing member thereof the steel cord improved in corrosion resistance and having an R.sub.1 /R.sub.0 ration.times.100 which is less than 100, where R.sub.0 is the radius of spiral curvature of the spiraled steel filament resulting from untwisting said steel cord and R.sub.1 is the radius of spiral curvature of said steel filament of which the surface layer inside the spiral is removed by dissolving.

Abstract: A steel cord which is suitable for reinforcing a rubber product and has excellent fatigue resistance. The steel cord has a layer-twisted structure formed by steel filaments respectively having a diameter of 0.15 mm to 0.25 mm. A core of the steel cord is formed by 1 to 4 steel filaments. A least 6 steel filaments are wound around the steel filaments of the core to form at least one layer. When the steel cord is bent from a straight state to a state in which a radius of curvature thereof is d/(17.times.10.sup.-3) wherein d is a diameter in millimeters of each steel filament in an outermost layer of the steel cord, a maximum amount of movement of each steel filament in the outermost layer in a cross-section of the steel cord is less than or equal to (-0.5454d+0.1454).times.10.sup.3 um. The steel cord preferably has a two-layer-twisted structure or a three-layer-twisted structure, and has an arrangement in which the diameters of the steel filaments gradually decrease from the core to the outermost layer.

Abstract: A steel cord for the reinforcement of rubber article has a three-layer twisting construction comprising a core layer comprised of a single steel filament, a first sheath layer comprised of six steel filaments and a second sheath layer comprised of steel filaments subtracted by 1 or 2 filament from maximum steel filament number arranged on a circumscribed circle of the first sheath layer without a wrap filament. In this steel cord, filament diameters of the core layer and the sheath layers satisfy the particular relationships. The steel cord is used in a carcass ply of a heavy duty pneumatic radial tire.

Abstract: 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 perpendicular to the longitudinal central axis (112). This projection takes the form of a curve with a radius of curvature which alternates between a maximum and a minimum. The curve further has a center of curvature. The radius of curvature and the center of curvature lie inside the curve so that a convex curve is obtained. The cord (114) is further characterized by one or both of following features:(i) the distance between two minimum radii of curvature of said curve measured along the longitudinal central axis (112) is different from half the cord pitch; or(ii) if all of said elements (100) provide a convex curve, at least one of said convex curves substantially differs from another convex curve.

Abstract: 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 length are used and the steel cord is made by twisting together 3 to 6 such strands in the same direction as the twisting direction of the strands and with the same pitch length. Each of the steel wires constituting the strands continuously has a small wavy pattern of a pitch length smaller than the lay length of the strands and therefore each of the strands has a compound pattern comprising a wavy pattern formed by the twisting and said small wavy pattern and in a gap is formed between steel wires each of the strands by the small wavy pattern. The lay length P.sub.1 of the steel cord is 8 to 15 times the steel cord diameter D and the elongation on breakage by tension of the steel cord is over 5%.

Abstract: 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 sheath formed by arranging 9 to 12 filaments around the inner sheath. The inner sheath and said outer sheath are twisted together. The diameter of each of the filaments of the inner and outer sheaths is not greater than that of the filaments of the core, 5d .ltoreq.L.ltoreq.3d and 1.2.ltoreq.H.ltoreq.d2.0d in which L and H are a wave length and a wave height of a wave shape of the waved filaments of the core, respectively, and d is a diameter of the filament of the core, and a ratio p.sub.3 /p.sub.2 between the twisting pitch p.sub.2 of the inner sheath and the twisting pitch p.sub.3 of the outer sheath is in a range of 1.4 to 2.5. A heavy duty pneumatic radial tire is also disclosed, which uses such steel cords in a belt.

Abstract: Composite yarns having a total diameter of less than about 0.017 inch are formed with one or more core strands, each having a denier in the range of 100-300, preferably 150-300; a first covering strand of stainless steel wire having a diameter of from 0.0015 to 0.0030 inch; and a second covering formed of one or more strands which may be selected from the same material and range of sizes as the core strands.

Abstract: A steel cord for the reinforcement of rubber articles exhibits largely different bending rigidities in two crossing directions at section of the cord and comprises a bundle of plural strands each being obtained by twisting 3 or more steel filaments and a wrapping filament helically wound around the bundle.

Abstract: A steel cord for the reinforcement of rubber articles comprises a core comprised of three steel filaments, a first sheath formed by twisting nine wave-formed steel filaments around the core, and a second sheath formed by twisting fifteen wave-formed steel filaments around the first sheath in a direction opposite to the twisting direction of the first sheath, in which a forming ratio F.sub.1 of each filament in the first sheath and a forming ratio F.sub.2 of each filament in the second sheath are within a range of 0.75-0.95, respectively, and satisfy Fi.sub.1 <F.sub.2.

Abstract: A steel cord (10) adapted for the reinforcement of elastomeric articles including a center structure of one to five center filaments (16) and a maximum of two layers of layer filaments surrounding said center structure: an outer layer of outer layer filaments (12, 13) and optionally, an intermediate layer of intermediate layer filaments (24) between the center structure and the outer layer. All the center filaments (16) and all the layer filaments (12, 13, 24) have the same twist hand and have the same twist pitch. The outer layer filaments (12, 13) exert a force which is directed radially inward.

Abstract: A steel cord for the reinforcement of rubber articles has a three-layer twisting structure comprising a core of 2 steel filaments, a middle sheath layer of 6 steel filaments and an outer sheath layer of 11 steel filaments, in which a ratio of filament diameter ds in the middle and outer sheath layers to filament diameter dc in the core (ds/dc) is within a range of 1.15-1.5 and a twisting pitch of the core is not less than 20 mm, and is used as a reinforcing member in a heavy duty pneumatic radial tire, conveyor belt and the like.

Abstract: The invention is directed to several embodiments of metallic cord for the reinforcement of tires wherein one or more coaxial layers of metallic filaments are arranged around the metallic core filaments and twisted in the same direction at the same pitch. In one embodiment, the ratio of the diameter of the core filaments to the layer filaments is at least 1.28. In another embodiment, two of the core filaments have a first diameter and the third core filament has a second diameter smaller than the first diameter daimeter. In still another embodiment, two of the core filaments have a first diameter and a third of the core filaments has a second diameter smaller than the first diameter while the coaxial layer filaments have a third diameter equal to the second diameter. In another embodiment, the core has three core filaments twisted about each other and a coaxial layer of eight layer filaments arranged around the core filaments.

Abstract: The present invention relates to a composite cord for reinforcing rubber comprising an organic chemical fiber cord and a high-carbon steel fine wire used by being buried in the rubber, for reinforcing rubber products such as various kinds of tires and conveyor belts. The composite cord comprises an organic chemical fiber cord wrapped by brass plated high-carbon steel fine wire.

Abstract: A tire cord and a tire, wherein the tire cord comprises three inner steel monofilaments (FC) having a smaller diameter (dc) and seven outer steel monofilaments (FB) having a larger diameter (db), both the diameters (dc) and (db) being in the range of 0.15 to 0.28 mm, the inner and outer steel monofilaments being twisted in the same direction but at different pitches, and an average gap of at least 0.03 mm is provided between the adjacent outer steel monofilaments. The tire is provided with the cords as reinforcements, e.g. carcass cords, belt cords and the like.

Abstract: A steel cord for the reinforcement of rubber articles comprises a central basic layer comprised of 1 to 4 steel filaments, at least one coaxial layer arranged around the central basic layer and comprised of many steel filaments in which these filaments are twisted in the same twisting direction at the same twisting pitch, and a wrap filament spirally wound around the coaxial layer in the same twisting direction.

Abstract: A steel cord for reinforcing a high polymer material has a core formed by twisting three steel core filaments having a mutually equal diameter of 0.1 to 0.35 mm, and at least one sheath formed by twisting a plurality of steel sheath filaments having a mutually equal diameter of 0.1 to 0.35 mm and arranged around the core. The three core filaments are composed of one or two waving steel filaments each having waved portions apart from a longitudinal center line thereof, and an unwaving steel filament as a remainder. The clearances (T) between the waving steel filament and the unwaving steel filament are in a range of 0.15 to 0.6 times the diameter of the steel core filament. A sum total (M) of a mean void (m) between adjoining steel sheath filaments in each sheath is in a range of 5 to 35% of a sum total (N) of a mean center distance (n) between adjoining steel sheath filaments in each sheath.

Abstract: A tire cord and a tire, wherein the tire cord comprises three inner steel monofilaments (FC) having a smaller diameter (dc) and seven outer steel monofilaments (FB) having a larger diameter (db), both the diameters (dc) and (db) being in the range of 0.15 to 0.28 mm, the inner and outer steel monofilaments being twisted in the same direction but at different pitches, and an average gap of at least 0.03 mm is provided between the adjacent outer steel monofilaments. The tire is provided with the cords as reinforcements, e.g. carcass cords, belt cords and the like.

Abstract: A steel cord (1) for the reinforcement of rubber articles such as tires includes a core of two to four steel filaments (2) and a layer of steel filaments (3, 4) around the core. All of the filaments have a diameter between 0.15 and 0.40 mm and are twisted in the same direction and at the same pitch. The cord has over a substantial portion of its entire length cross-sections where the accumulated gaps between adjacent layer filaments are at least 0.03 mm. At least one filament of the layer has been preformed differently from the other filaments. The above structure avoids core migration.

Abstract: Flexible tension member includes a helical bundle of substantially identical elongate elements. Each element inside the bundle is in contact with six adjacent elements, and the lay length of the helical bundle is at least 30 times its diameter. Each element is a strand including wires extending helically around the axis of the strands and substantially all of the strands have a helical lay direction opposite to the helical lay direction of the bundle.

Abstract: A steel cord includes a core layer composed of three wires, an intermediate layer composed of seven wires, and an outer layer 12 composed of 13 wires. The space ratio of the intermediate layer is in the range from 25% to 34%. and the space ratio of the outer layer is in the range from 10% to 20%. A tire is manufactured by using the steel cord.

Abstract: A wire-electrode arrangement for effecting a spark-erosive cutting and a method for the manufacture of a wire electrode. In order to be able to cut non-conductive materials, a plus potential and also a minus potential can be applied to the electrode, since the wire electrode is formed by a first and a second electrode, which are insulated from one another and which extend substantially parallel to one another.

Abstract: A device is described which prevents, during deployment of an ocean cable system, torque build-up in a heavy armor cable section from being abruptly applied to a next-connected light armor cable section. A set of helically-wound steel armor rods rigidly attached to the heavier cable section form a tube-like extension over the first several feet of the lighter cable. The rods resist rotation because of their frictional contact with the cable engine drum. The enveloped cable within the rod-tube device accordingly rotates only as much as the tube. The torque-induced rotation that does occur is well within that safely permitted per unit cable length.

Abstract: A stranded wire strength member (2, 3) has a cable locking element (4) lying in the interstice between adjacent wires of the strength member. The locking element is of mild steel and has a surface coating (4a) of carbide grit which locks the adjacent wires of the strength member together in the region of a welded joint, to improve the load sharing capacity of the wires of the strength member.

Abstract: One or more plies of reinforced elastomer, particularly two plies (10),(12) of rubber reinforced with twisted filament metallic cords (14) and more particularly a tire belt made up of the two plies (10),(12) is disclosed having cords (14) of 2x.30HT construction with opposed 23.degree. angles to the direction of reinforcement of the belt.

Abstract: A steel cord for the reinforcement of rubber articles is disclosed, which comprises a central base structure composed of 1 to 4 steel filaments, and at least one coaxial layer composed of plural steel filaments arranged around the central base structure so as to adjoin them to each other, these steel filaments being twisted in the same direction at the same pitch. In the steel cord of this type, the steel filaments constituting the central base structure have the same diameter (dc), while at least one steel filament of the coaxial layer has a diameter (dso) smaller than the diameter (dc) of the steel filament in the central base structure.

Abstract: A multi-strand electrical cable having electrically conductive strands of different cross-sections, i.e. cross-sectional areas, arranged in ascending order of strand cross-section from the center toward the outer circumference of the cable and sized in accordance with an irrational and preferably golden ratio progression in such a way that larger strands are located outwardly toward the cable circumference relative to smaller strans and stabilize the smaller strands against resonant vibration in a manner such as to reduce cable resonance produced by fluctuating current flow through the cable.

Abstract: A metal cord for reinforcing elastomeric articles, such as earth mover tires, comprises a plurality of metal wire-filament strands, including a center strand and multiple peripheral strands concentrically surrounding the center strand. Each of the center and peripheral strands includes multiple individual wire filaments of similar diameter having identical strand lay direction and length. Each strand has a hexagonally close-packed longitudinally uniform polygonal outline in which filaments are in concentric layers, with each individual filament being tangential to all adjacently surrounding filaments. The peripheral strands are tangential to the center strand and have a predetermined cord lay length and direction either the same as (Lang's Lay) or opposite to that of the center strand.

Abstract: A wire strand for reinforcing elastomers such as tires and conveyor belts comprises multiple individual filaments bundled in a core and an outer layer on a common axis. Each individual filament is tangential to all adjacent surrounding filaments and all filaments have identical lay direction and length in a hexagonally close-packed cross section, which is to say that the strand filaments are of bunched configuration. In accordance with the invention, the outer layer includes filaments of differing diameters so disposed with respect to each other and with respect to the filaments of the core that the outer edges of all filaments in the outer layer, viewed cross sectionally, lie substantially on a common radius from the strand axis.

Abstract: A steel cord comprises a central bundle of three twisted steel filaments (1) with a diameter d.sub.1 and nine steel filaments twisted around said central bundle with the same twist pitch and twist direction as the central bundle. Three filaments (2) of said nine steel filaments have a diameter d.sub.2 and contact two adjacent steel filaments of the central bundle. Six steel filaments (3) of said nine steel filaments have a diameter d.sub.3 and contact both one steel filament of the central bundle and one steel filament of the three filaments with diameter d.sub.2. The ratio d.sub.2 /d.sub.1 is greater than 1.05 and smaller than 1.16. The raio d.sub.3 /d.sub.1 is greater than-0.205=0.814.times.d.sub.2 /d.sub.1 and smaller than-0.105+0.814=d.sub.2 /d.sub.1.

Abstract: A steel cord for the reinforcement of rubber articles is disclosed, which comprises a central base structure composed of 1 to 4 steel filaments, and at least one coaxial layer composed of plural steel filaments arranged around the central base structure so as to adjoin them to each other, these steel filaments being twisted in the same direction at the same pitch. In the steel cord of this type, the steel filaments constituting the central base structure have the same diameter (dc), while at least one steel filament of the coaxial layer has a diameter (dso) smaller than the diameter (dc) of the steel filament in the central base structure.

Abstract: A cord has a core including a plurality of wires, and an outer layer including a plurality of wires and surrounding the core. The wires of the core and of the outer layer are twisted together. All the wires of the core have a diameter larger than the wires of the outer layer, thereby guaranteeing a gap between adjacent wires of the outer layer.

Abstract: A steel cord usable for the reinforcement of rubber articles comprises a core of a single steel filament, an inner sheath composed of six steel filaments and an outer sheath composed of 7 to 12 steel filaments, wherein the steel filaments constituting the core, inner sheath and outer sheath have a diameter of 0.20.about.0.40 mm and satisfy the particular relations.

Abstract: A steel cord has a core strand and an outer strand. The core strand includes three wire filaments located in a core portion and each having a same diameter, and nine wires located to enclose the three wires, twisted together with the three wire filaments, and each having a diameter smaller than that of each of the three wires. The outer strand has wires located to enclose the nine wires of the core strand, twisted in a direction reverse to the twisting direction of the core strand, and having a clearance between them.