发明名称 |
VERFAHREN ZUR HERSTELLUNG EINER ROHRVERBINDUNG |
摘要 |
PCT No. PCT/FI92/00130 Sec. 371 Date Oct. 1, 1993 Sec. 102(e) Date Oct. 1, 1993 PCT Filed Apr. 29, 1992 PCT Pub. No. WO92/19438 PCT Pub. Date Nov. 12, 1992.A method for manufacturing a joint pipe from a spirally wound thermoplastic profile is described in which the pipe end to be furnished with a joint pipe is pushed onto a rotatably driven, slightly conical mandrel, after which a melt profile of thermoplast is extruded and spirally wound in overlapping wraps around the mandrel and the pipe end in a direction extending from a point furthest from the pipe end, followed by cooling of the joint pipe, cutting of its end surface, and removal of the pipe end from the mandrel. |
申请公布号 |
DE69216226(D1) |
申请公布日期 |
1997.02.06 |
申请号 |
DE1992616226 |
申请日期 |
1992.04.29 |
申请人 |
OY KWH PIPE AB, VAASA/VASA, FI |
发明人 |
SUNDQVIST, KRISTIAN, SF-65520 NYKARLEBY, FI;BLOMQVIST, GUNNAR, 00000000000, FI |
分类号 |
B29C53/62;B29C33/02;B29C35/16;B29C53/58;B29C65/00;B29C70/76;B29L23/00;F16L47/06 |
主分类号 |
B29C53/62 |
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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