发明名称 MULTILAYER PLASTIC PIPE AND ITS USE
摘要 The invention relates to a multilayer plastic pipe (1), preferably for use in heating systems. The multilayer pipe comprises an inner core (2) and a barrier layer (6) surrounding the core and preventing oxygen diffusion through the multilayered pipe. The core (2) is made of a material having viscoelastic properties, preferably cross-linked polyethylene, and the barrier layer (6) is surrounded by an outer layer (8) of a material having adhesive properties. The invention also relates to the use of a multilayer pipe for providing pipe couplings.
申请公布号 WO9949254(A1) 申请公布日期 1999.09.30
申请号 WO1999SE00429 申请日期 1999.03.18
申请人 WIRSBO BRUKS AB;JOHANSSON, BENGT;LUNDEQUIST, YNGVE;ASPLUND, RAUNO 发明人 JOHANSSON, BENGT;LUNDEQUIST, YNGVE;ASPLUND, RAUNO
分类号 F16L9/12;F16L33/01;(IPC1-7):F16L9/12 主分类号 F16L9/12
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