发明名称 Coupling for pipes, especially metal pipes which are lined with a polymer inliner, comprises a connecting element which closes the free end of the inliner
摘要 <p>The coupling comprises a connecting element (4) which closes the free end (21) of the inliner (2). The connecting element has a bigger length than the ring sleeve (5), in the axial direction. A ring-shaped mounting space (71) is arranged on at least one coupling part (3,7).</p>
申请公布号 DE20121696(U1) 申请公布日期 2003.03.27
申请号 DE2001221696U 申请日期 2001.12.10
申请人 REHAU AG + CO. 发明人
分类号 B29C65/34;F16L23/12;(IPC1-7):F16L47/06;F16L47/03 主分类号 B29C65/34
代理机构 代理人
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