| 发明名称 |
METHOD OF MANUFACTURING HEAT-WELDABLE THERMOPLASTIC FITTINGS |
| 摘要 |
<p>"METHOD OF MANUFACTURING HEAT-WELDABLE THERMOPLASTIC FITTINGS" Welding muffs for joining thermoplastic pipes are moulded using a core 10a, 10b in which are placed terminals 17,18 supported by plastics posts 27,28 which may be removable and/or frangible so that when the cores are withdrawn the plastic posts do not prevent withdrawal.</p> |
| 申请公布号 |
CA1270612(A) |
申请公布日期 |
1990.06.26 |
| 申请号 |
CA19870545336 |
申请日期 |
1987.08.25 |
| 申请人 |
DU PONT (UK) LIMITED |
发明人 |
WHITE, PETER;STREET, RONALD A.;GREAVES, CHRISTOPHER;HARRISON, GORDON |
| 分类号 |
B29C45/14;B29C65/02;B29D23/00;B29L31/24;F16L47/02;F16L47/03;(IPC1-7):H05B3/58 |
主分类号 |
B29C45/14 |
| 代理机构 |
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代理人 |
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