| 摘要 |
PCT No. PCT/US91/05913 Sec. 371 Date Sep. 2, 1994 Sec. 102(e) Date Sep. 2, 1994 PCT Filed Aug. 20, 1991 PCT Pub. No. WO93/03916 PCT Pub. Date Mar. 4, 1993An improved shaped article comprising a thermoformed composite sheet, which is a layer of thermoplastic polymer attached to a surface of a lightweight conformable fabric, the other surface of the fabric being attached to a layer of rigid foam, provides the article with improved wall thickness uniformity and impact resistance.
|
