发明名称 Pipe beller with force determined temperature
摘要 A method and apparatus for belling a plastic pipe wherein the pipe is heated until a predetermined force can move the pipe onto a mandrel; the magnitude of the force being such that the pipe is heated to a temperature between its memory temperature and its breakdown temperature.
申请公布号 US4276010(A) 申请公布日期 1981.06.30
申请号 US19790023154 申请日期 1979.03.23
申请人 PLASTIC MACHINERY CORPORATION 发明人 SHARTZER, KENNETH B.
分类号 B29B13/02;B29C31/00;B29C35/04;B29C35/16;B29C57/02;(IPC1-7):B29D23/00 主分类号 B29B13/02
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