Abstract:
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 filaments is greater than or equal to 3 and less than or equal to 8. A diameter of each filament is greater than or equal to 0.12 mm and less than or equal to 0.35 mm. A linear density of the at least one reinforcing cord is greater than or equal to 0.18 g/m and less than or equal to 4.0 g/m. A value of a breaking-stress integral of the at least one reinforcing cord is greater than or equal to 5,000 J/m3. In a two-wheeled vehicle, the at least one reinforcing cord in a tire for front-mounting may be distributed with a variable density while, in a tire for rear-mounting, the density may be constant.
Abstract translation:用于车轮的轮胎包括至少一个金属加强帘线,其包括通过正弦挥动预先形成并缠绕在一起的单股基本丝。 长丝的数量大于或等于3并且小于或等于8.每根细丝的直径大于或等于0.12mm且小于或等于0.35mm。 至少一个增强帘线的线密度大于或等于0.18g / m且小于或等于4.0g / m 2。 所述至少一个加强帘线的断裂应力积分的值大于或等于5,000J / m 3。 在两轮车辆中,用于前部安装的轮胎中的至少一个加强帘线可以以可变密度分布,而在用于后部安装的轮胎中,密度可以是恒定的。
Abstract:
A method and apparatus (20) for intermittently cutting a moving target web (26) includes rotating a knife roll (32) having at least one knife member (44) to provide an operative knife-member speed, and rotating an anvil roll (34) having at least one anvil member (46) to provide an operative anvil-member speed. The knife roll and anvil roll have been positioned to provide an operative nip region (30) therebetween, and a substantially continuous target web (26) has been moved at a selected web speed through the nip region. A rotational positioning of the knife member has been coordinated with a rotational positioning of its cooperating anvil member to provide an operative, cutting engagement between the knife member and its cooperating anvil member, thereby cutting the moving web at cut locations which are intermittently spaced along a machine-direction (22) of the target web.
Abstract:
The present invention provides a yarn composed of polytrimethylene terephthalate fibers, particularly polytrimethylene terephthalate multifilamentary fibers having a single-fiber size in a range from 1 to 56 dtex, which are collected together to have a total size in a range from 2000 to 22000 dtex. Further, the present invention provides a racket string composed of polytrimethylene terephthalate multifilamentary fibers having a single-fiber size in a range from 1 to 56 dtex, which are collected together to have a total size in a range from 7000 to 22000 dtex, and a musical instrumental string composed of polytrimethylene terephthalate multifilamentary fibers having a single-fiber size in a range from 1 to 56 dtex, which are collected together to have a total size in a range from 2000 to 14000 dtex. The yarn according to the present invention is high in strength, elastic recovery and stress-retaining ratio as well as excellent in water resistance, softness and homogeneity of yarn properties. The racket string according to the present invention can be set across a racket frame, for example, for tennis or other, games under a high tension, whereby high resilience is obtainable when the string is set, and maintained for a long time. Also, this racket string is excellent in impact resistance, durability and water resistant. The musical instrumental string is stable in tuning over time and with a change in humidity as well as excellent in tunability.
Abstract:
A wire rope for a heavy-load crane, such as a ladle crane is provided that is not only almost rotation-resistant but is also unlikely to be broken by wear and fatigue of wires. The rotation-resisting wire rope has a plurality of side strands. In side each strand, wires are laid in the same direction as the lay of core strand wires, around the periphery of a core strand. The side strands are laid in a direction opposite to the lay of the core strand wires so as to form the wire rope. The side strands preferably have a smaller pitch multiple than a pitch multiple of the wire rope. The ratio between a diameter of the side strands and a diameter of the core strand is preferably about 1.3 to about 1.8. The pitch multiple of strands is preferably about 5 to about 8 and the pitch multiple of the wire rope is preferably about 8 to about 10. Both the core strand and the side strands preferably have shaped wires, having a flattened surface, at an outermost ply.
Abstract:
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 strand constituted by the five outer wires and the two core wires has an oblong cross-section.