Welding sleeve for metal pipes with plastic outer and inner skin
作者： Horst Rahn
DOI:
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摘要: Two composite pipes (20) with a metal core (26) between synthetic outer (24) and inner (22) layers are joined by welding into junction sleeve (10). The fit sections (14) equipped resistance heating elements (32). Each section has an interior abutment surface (18) formed on the of element (36) each further part (38) in vicinity (18).
lens.org 参考文章(1)
Jyri Järvenkylä, Mikael Andersson, Anders Vestergaard, A method of forming a multilayer plastic pipe and a multilayer plastic pipe for conducting fluids ,(1993)