B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 15/08 (2006.01)
Patent
CA 2108728
A triple layered thermoplastic resin laminated metal sheet for a can stock having excellent flavour retention of packed foods and drinks, excellent formability, excellent adhesion of the thus laminated resin layer to a metal sheet and excellent denting resistance, particularly excellent denting resistance at a low temperature, which comprises formation of a triple layered thermoplastic resin layer wherein a polycarbonate resin layer is sandwiched between polyester resin outer and inner layers on one or both sides of a metal sheet covered with a single layer of hydrated chromium oxide or a double layer consisting of an upper layer of hydrated chromium oxide and a lower layer of metallic chromium by using conventional film laminating, extrusion coating or the combination of these techniques.
Inui Tsuneo
Matsui Kenzo
Okamura Takaaki
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Toyo Kohan Co. Ltd.
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