F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/56
F16L 9/16 (2006.01)
Patent
CA 1328234
Abstract of the Disclosure The present invention concerns a spiral-wound tube made of a hollow section (1) joined together by extruder welding or gluing. It is characteristic of the invention that the hollow section (1) is coextruded and comprises an outer layer (2) of a plastic with a homogeneous surface and with good weldability, as well as at least one inner layer (3) of modified polymer.
614465
Oy Kwh Pipe Ab
Ridout & Maybee Llp
LandOfFree
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