发明名称 |
ELECTRIC FUSION PIPE FITTINGS |
摘要 |
A method of manufacture of an electric fusion pipe fitting comprising the steps of: forming a circumferential helical groove (6) in a tubular surface (2) of a plastic pipe fitting (1) and laying a wire (8) in the groove (6). Preferably the groove (6) is formed by incision and the wire laid by groove cutting tool (4). |
申请公布号 |
WO8200699(A1) |
申请公布日期 |
1982.03.04 |
申请号 |
WO1981AU00116 |
申请日期 |
1981.08.18 |
申请人 |
ESDAN PTY LTD;SOUMAR K;ERLING E |
发明人 |
SOUMAR K;ERLING E |
分类号 |
F16L47/02;B26D3/16;B29C65/30;B29C65/34;B29C65/36;B29C65/40;B29D23/00;F16L47/03 |
主分类号 |
F16L47/02 |
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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