Cord for rubber reinforcement

Details Cord for rubber reinforcement Cord for rubber reinforcement

D - Textiles, Paper

02

G

D02G 3/28 (2006.01) D02G 3/48 (2006.01) D07B 1/02 (2006.01)

Patent

CA 2628805

A cord for rubber reinforcement which comprises: core strands comprising strands (A); and strands (B) disposed on the periphery of the core strands. In the core strands, the strands (A) have been upper-twisted and each strand (A) is composed of reinforcing fibers (A) and has been first-twisted. The strands (B) each is composed of reinforcing fibers (B) and has been first-twisted. The strands (B) have been upper-twisted and are disposed around the core strands. The direction of the upper twisting of the strands (B) is the same as the direction of the first twisting of at least one strand (B) selected among the strands (B). The number of first twists of the strands (B) is larger than the number of first twists of that strand (B) and/or the number of upper twists of the strands (B) is larger than the number of upper twists of that strand (B).

La présente invention concerne une corde pour renfort en caoutchouc qui comprend : des fils d~âme renfermant des fils (A) ; et des fils (B) disposés sur la périphérie des fils d~âme. Dans les fils d~âme, les fils (A) ont subi une torsion supérieure et chaque fil (A) se compose de fibres de renforcement (A) et a subi une première torsion. Les fils (B) se composent chacun de fibres de renforcement (B) et ont subi une première torsion. Les fils (B) ont subi une torsion supérieure et sont disposés autour des fils d~âme. Le sens de la torsion supérieure des fils (B) est identique au sens de la première torsion d~au moins un fil (B) sélectionné parmi les fils (B). Le nombre de premières torsions des fils (B) est supérieur au nombre de premières torsions de ce fil (B) et/ou le nombre de torsions supérieures des fils (B) est supérieur au nombre de torsions supérieures de ce fil (B).

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