Process for producing multi-layer, tubular film

Details Process for producing multi-layer, tubular film Process for producing multi-layer, tubular film

B - Operations, Transporting

29

D

154/53.05

B29D 23/10 (1980.01) B29D 23/12 (1980.01)

Patent

CA 1157756

PROCESS FOR PRODUCING MULTI-LAYER, TUBULAR FILM Abstract of the Disclosure This invention is a process for producing a multi-layer thermoplastic tube by forming the substrate tube and inflating it sufficiently so that the inflation pressure alone supports the tube and no internal mandrel is needed as an additional layer or layers of film is wrapped around the tube and bonded thereto.

355152

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