| 摘要 |
1535105 Tyre cord; non-metallic core wound with metal strands GOODYEAR TIRE & RUBBER CO 15 Dec 1976 [16 Jan 1976] 52284/76 Heading D1T A cord for tyre reinforcement comprises metal strands helically wound about a central, non-metallic core whose tensile strength, i.e. stress at rupture, is substantially equal to that of each strand. The core may be of aromatic polyamide, e.g. a multifilament yarn or strand, and the metal strands may each comprise steel wires twisted together in a direction opposite to the direction of twist of the strands about the core. |
