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Method of forming a multi-layer plastic pipe for conducting fluids
Method of forming a multi-layer plastic pipe for conducting fluids
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机译:形成用于传导流体的多层塑料管的方法
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摘要
A method of forming a two-layer plastic pipe (4;8) to be laid in the ground for conducting material therethrough forms a core pipe (2) consisting essentially of a first plastic material and forms a detachable outer hose (3;7) of a second plastic material around said core pipe (2) by a suitable coating method, including in said second plastic material an amount of additives effective to protect said core pipe with said outer hose from stresses and loads of laying said core pipe and outer hose and usage thereof in ground.
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