Ultra-high molecular weight polyethylene thin-wall pipe, and...

Details Ultra-high molecular weight polyethylene thin-wall pipe, and... Ultra-high molecular weight polyethylene thin-wall pipe, and...

B - Operations, Transporting

29

C

B29C 47/20 (2006.01) B29C 47/00 (2006.01) B29C 47/60 (2006.01) B29C 55/24 (2006.01) F16L 9/12 (2006.01)

Patent

CA 2064939

An ultra-high molecular weight polyethylene thin-wall pipe which is uniform in thickness and free from a folded mark as well as a method of and an apparatus for manufacturing the same. The ultra-high molecular weight polyethylene thin-wall pipe is manufactured by supplying ultra-high molecular weight polyethylene into and melting and kneading, continuously extruding the molten substance of the ultra-high molecular weight polyethylene from a die connected to a screw of the screw extruder to form a cylindrical roughly shaped article, and diametrically expanding the cylindrical roughly extruded article by means of a tapered core and taking up.

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