SVETSMUFF AV TERMOPLAST OCH FORFARANDE FOR FRAMSTELLNING AV SVETSMUFFEN
申请公布号:SE401394(B)
申请号:SE19740003248
申请日期:1974.03.12
申请公布日期:1978.05.02
发明人:W * STURM
分类号:B29C65/00;B29C65/34;B29D23/00;D03C1/34;F16L47/03
主分类号:B29C65/00
摘要:To permit efficient heat welding of pipe fittings, and the like, of thermpolastic material to thermoplastic pipes, by electrically heating of the fitting, the fitting is made in two concentric portions, the inner portion having a heating wire applied to the outside thereof, the heating wire and inner portion being covered by the outer portion, for example injected thereover.
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