| 摘要 |
FIELD: transport.SUBSTANCE: rubber patch consists of plies of the cord reinforcing threads each being composed by multiple cord threads arranged in parallel and coated with rubber. Said plies make a sandwiched plate wherein they are laminated from one side to another. Zone constricted by mean camber line connecting the ends of cord adjacent threads at its one side, another mean camber line connecting the ends of adjacent cord threads at its other end side and outermost reinforcing cord threads in direction of threads interconnection is the reinforcing zone in every ply of the cord reinforcing threads. One reinforcing cord thread ply has one reinforcing zone. Another ply of said threads incorporates reinforcing cord threads with the similar cord thread packing direction and laminated on the other side in direction of lamination of plies has another reinforcing zone. The latter is located inside one reinforcing zone.EFFECT: longer life.14 cl, 23 dwg, 2 tbl |
