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| Number | Title | Issue Date |
| 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 filaments. The first number ranges between three and eight. The secon... | 06/14/2005 |
| 6412263 | Reinforcing steel cord for rubber products, method and device for producing such steel cords A reinforcing steel cord for rubber products, such as steel belted radial tires or conveyor belts, is disclosed. This steel cord is improved in rubber penetration and ageing adhesive force relative to the rubber material. The steel cord is formed by twist... | 07/02/2002 |
| 6360522 | Rope for conveying systems A filler element is located between each adjacent pair of outer strands of a wire rope and interlocks with the adjacent strands. The filler elements provide the rope with substantially smooth outer surface reducing vibration of the rope passing over a pul... | 03/26/2002 |
| 6354068 | Steel cords for reinforcement of rubber articles pneumatic tire process for producing steel cord and tubular-type twisting machine therefor A steel cord comprises a core of three or more filaments bundled without twisting and a sheath of at least one layer comprised of plural filaments wound around the core, wherein all core filaments are arranged in a given rectangle at any section in its lo... | 03/12/2002 |
| 6334293 | Steel cord with polymer core The invention relates to a composite cord (10) for reinforcement of elastomers comprising a core (12) of a high polymer material, a first layer of steel filaments (14) twisted around said core and a second layer of steel filaments (16) twisted around said... | 01/01/2002 |
| 5946898 | Wire rope having an independent wire rope core 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 c... | 09/07/1999 |
| 5711143 | Overhead cable and low sag, low wind load cable An overhead cable provided with a plurality of segment strands of a sector-shaped cross-section twisted at the outermost layer and having grooves of a substantially arc-shaped cross-section at the surface at the adjoining portions of the segment strands. ... | 01/27/1998 |
| 5496969 | Concentric compressed unilay stranded conductors Concentric Compressed Unilay Stranded Conductors are formed of certain combinations of compressed wires, such as 1+7+12, 1+6+11 or 1+7+12+17, which have nominally equal diameters. The combinations of conductors or wires are selected so that the number of ... | 03/05/1996 |
| 5418333 | Stranded elliptical cable and method for optimizing manufacture thereof A method of manufacture and a resultant cable structure of elliptical stranded cable which optimizes the use of existing conventional stranding machines. In accordance with the present invention, one or more layers of shaped, non-circular, wires are inter... | 05/23/1995 |
| 5375404 | Wide rope with reduced internal contact stresses A stranded product is formed from a central wire and a plurality of wires helically wound around the central wire, wherein each of the wires helically wound around the central wire has a small longitudinal groove which increases the area of contact betwee... | 12/27/1994 |
| 5307615 | Flexible tension member 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 eleme... | 05/03/1994 |
| 4878343 | Reinforcing rope made of at least two different materials A composite reinforcing rope is made of a cylindrical core of twisted filaments of aromatic polyamides around which a plurality of steel wires of a rectangular configuration are coiled. The steel wires are wound side-by-side in one layer. Each wire is twi... | 11/07/1989 |
| 4809492 | Torsionally balanced wire rope or cable The twistless and/or weakly twisted wire rope or cable with the many strand many layer structure comprises a core rope and a cover layer stranded on the core rope in an opposite stranding direction. The core rope is made exclusively from substantially cir... | 03/07/1989 |
| 4709544 | Reinforcement assembly having a layer comprising a shaped thread: articles comprising such assemblies A reinforcement assembly comprises from one to three layers of threads, one of which is a central layer having one or more shaped threads, i.e., threads having a center of gravity and a contour in an intersecting plane perpendicular to the longitudinal di... | 12/01/1987 |
| 4679387 | Reinforcing cord with wrapping wire A reinforcing cord made of several steel wires includes a metal wrapping wire coiled around steel wires. The hardness of the wrapping wire is substantially less than the hardness of the steel wires. Preferably the wrapping wire is a flat wire whose longer... | 07/14/1987 |
| 4550559 | Cables and process for forming cables A cable comprises at least one layer of strands (10) with each strand covered with an individual sheath (20) of rubber or plastics material. The sheaths are so shaped (16, 17, 18) that the sheaths of adjacent strands interlock. This provides a layer in wh... | 11/05/1985 |
| 4529837 | Multistrand superconductor cable Improved multistrand Rutherford-type superconductor cable is produced by using strands which are preformed, prior to being wound into the cable, so that each strand has a variable cross section, with successive portions having a substantially round cross ... | 07/16/1985 |
| 4509319 | Wire rope A wire rope which includes a filler material disposed in the interstices between a core rope and respective outer strands and/or in the gaps between individual outer strands wherein the filler element is placed independently in the respective interstices ... | 04/09/1985 |
| 4509318 | Steel cord A steel cord composed of four material wires of the same diameter twisted together, of which two material wires are stuck together and intertwisted at the center and each of the other two material wires is arranged on both sides of the former two material... | 04/09/1985 |
| 4506500 | Steel cord for reinforcing a rubber structure A steel cord having a basic construction constituted by a group of at least two wires of the same diameter twisted together and a single wire or a bundle of a plurality of parallel wires are intertwisted. This steel cord provides better adhesion between a... | 03/26/1985 |
| 4463219 | Compound cable The invention relates to a compound cable, such as an aluminum cable, an aluminum alloy cable, aluminum cable steel reinforced or an aluminum alloy cable steel reinforced with reduced audible noise for use in a high voltage transmission line. The surface ... | 07/31/1984 |
| 4376458 | Bead rings of pneumatic tires The properties of a composite bead ring for tires are improved by interposing an annular trifurcated element tangentially of the three unitary bead ring components.... | 03/15/1983 |
| 4270341 | Method of making a shape-stranded rope The disclosed method of making a shape-stranded rope includes twisting large wires into strands by twining them in at least one layer about a core with a sheathing of a soft deformable material, plastic drawing of the strands, forming the strands into a s... | 06/02/1981 |
| 4244172 | Flattened strand rope The flattened strand rope of the invention comprises wedge-shaped strands, each made up of wires wound on a core. At least a portion of the strand wires are fashioned as twisted wire groups in which the wires are sector-shaped and in contact with each oth... | 01/13/1981 |
