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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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