发明名称 Pipe structure and method of manufacture
摘要 A pipe section formed of a polymeric material which has a substantially constant thickness throughout, the terminal edge of the female connection having a reinforcement structure which rigidifies the end of the female connection and prevents deformation, the pipe section preferably having a flared end, and the reinforcement structure preferably being a semicircular channel formed at the end of the pipe section by a mandrel after initial extrusion of the pipe section; along with a method and apparatus for forming the pipe section, a pipe assembly including such pipe section, and a method of forming the pipe assembly.
申请公布号 US2001013372(A1) 申请公布日期 2001.08.16
申请号 US20010766341 申请日期 2001.01.19
申请人 SIFERD ROGER LEE;ANKKROM MATHEW C.;PORTER LARRY E. 发明人 SIFERD ROGER LEE;ANKKROM MATHEW C.;PORTER LARRY E.
分类号 B29C47/06;B29C57/00;B29C57/12;F16L11/15;(IPC1-7):F16L55/10 主分类号 B29C47/06
代理机构 代理人
主权项
地址
您可能感兴趣的专利