B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/37
B32B 15/08 (2006.01) B29C 27/04 (1980.01)
Patent
CA 1152418
Abstract of the Disclosure The invention is a method for laminating a film of a synthetic resin to a surface of a base metal. The method comprises coating an adhesive synthetic resin powder either as such or as a dispersion in water or in a low- boiling organic liquid on said metal surface and heating the coating to melt the powder, or directly coating said synthetic resin powder in the molten state on said metal surface, thereby to bond the synthetic resin powder there- to, superposing said film of synthetic resin on the resulting coating, heating the assembly under pressure, and then cooling the resulting laminate. In a preferred form of the invention there is produced a three layer laminated film for food packaging, comprising two surface layers of plastic film and an interlayer of a metal foil.
331957
Ishibashi Kazuhisa
Itoh Senji
Tanabashi Toshifumi
Smart & Biggar
Toyo Seikan Kaisha Limited
LandOfFree
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