发明名称 |
Welding sleeve of thermoplastic material |
摘要 |
The welding sleeve has a coil of a resistance wire forming two heating zones and is arranged near the inner circumference of the sleeve. Each heating zone has a region at the beginning and end in which the coil spacing is less than in the center region. |
申请公布号 |
GB9418952(D0) |
申请公布日期 |
1994.11.09 |
申请号 |
GB19940018952 |
申请日期 |
1994.09.20 |
申请人 |
GEORG FISCHER ROHRLEITUNGSSYSTEME AG |
发明人 |
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分类号 |
F16L47/02;B29C65/34;F16L47/03;H05B3/00;H05B3/20 |
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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