发明名称 METHOD FOR JOINING AND/OR SEALING THERMOPLASTIC PIPES
摘要 The invention relates to a method for joining and/or sealing thermoplastic pipes (1 a, lb) by positioning the ends to be joined to abut each other. The invention is characterized in that a thermoplastic sheet (2) or sleeve is applied around the abutting pipe ends and welded to the pipe walls to obtain a welded pipe joint by clamping a heating band element (3) around the thermoplastic sheet (2) or sleeve, which element is removed after finished welding operation.
申请公布号 WO2004008016(A1) 申请公布日期 2004.01.22
申请号 WO2003FI00483 申请日期 2003.06.16
申请人 OY KWH PIPE AB;HJERPE, JOHNNY 发明人 HJERPE, JOHNNY
分类号 B29C65/00;B29C65/18;B29C65/50;B29C65/56;B29C65/68;B29C65/72;F16L47/02;H05B3/58 主分类号 B29C65/00
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