| 摘要 |
The process of the invention involves a combination of more rigid parts with less rigid parts, and includes a hot-coupling of at least one polyester-based polyurethane elastomer sheet (3) between at least a portion of a resin-impregnated first material (1) which, after treatment, constituting a more rigid part, and at least a portion of a second material (2), which constitutes a less rigid part. |
