| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle seat back frame that has excellent occupant protection performance and fabric protection performance, and preferably excellent productivity, predicated on resinification for weight saving.SOLUTION: The vehicle seat back frame has a hollow structure, integrally molded in a metal mold by the injection of a thermoplastic resin, preferably a reinforced fiber-containing-thermoplastic resin. |
