Patent ID: 7814740

Claim:
A cord for rubber reinforcement, comprising: a core strand including a plurality of strands (A); and a plurality of strands (B) disposed around the core strand, each of the plurality of strands (A) being formed of a plurality of reinforcing fibers (A) that are primarily twisted, the plurality of strands (A) being finally twisted in the core strand, each of the plurality of strands (B) being formed of a plurality of reinforcing fibers (B) that are primarily twisted, the plurality of strands (B) being finally twisted to be disposed around the core strand, (i) the direction of final twist of the plurality of strands (B) being the same as the direction of primary twist in at least one strand (B) selected from the plurality of strands (B), and the number of primary twists in the strand (B) being greater than the number of primary twists in the strand (A), and/or (ii) the direction of final twist of the plurality of strands (B) being the same as the direction of primary twist in at least one strand (B) selected from the plurality of strands (B), and the number of final twists of the strands (B) being greater than the number of final twists of the strands (A).