Mechanical bond 申请(专利号： US19760727676 专利号：US4124676A 主分类号：B29D9/00 申请权利人： CRANE PACKING CO. 公开国代码：US 优先权国家： US 摘要： A composite article having a first layer formed of one material and a second layer of a second material, said layers being mechanically bonded together by mating projections extending from one layer into cavities of said other layer, said cavities having inwardly diverging surfaces for receiving said projections to preclude axial separation of said layers. The disclosure also includes a process for the manufacture of such articles. 主权项： 申请日：1976-09-29 公开公告日： 1978-11-07 分类号：B29D9/00 发明设计人：JERRY HENZL 申请国代码： US 优先权： 19760929 US 72767676 摘要附图：
