Laminated steel sheet for cans

Details Laminated steel sheet for cans Laminated steel sheet for cans

1993-09-27

1995-07-25

Sluby, P. C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

428216, 428 358, 428414, 428416, 428340, 428480, 220415, 220906, B32B 1508, B65D 804, B65D 818

Patent

active

054360587

ABSTRACT:
A laminated steel sheet for cans comprises: a steel sheet; a metallic chromium plated layer with a 5 to 150 mg/m.sup.2 coating weight formed on the sheet; a hydrated chromium oxide layer with a 3 to 15 mg/m.sup.2 coating weight in terms of chromium formed on the metallic chromium layer; a bonding layer formed on the hydrated chromium oxide layer; and a biaxially oriented polyethylene terephthalate resin film formed on the bonding layer with a strip-shaped margin left for welding, the bonding layer being obtained by curing an adhesive having bisphenol A epoxy resin which has 15,000 to 30,000 number average molecular weight and is from 70 to 90 wt. % of said bonding layer with the remainder being resol phenol resin which has a base of bisphenol A. Other related laminated sheets are also provided.

REFERENCES:
patent: 5137762 (1992-08-01), Aizawa et al.
Derwent Publications Ltd., London, GB; AN 86-314835 (48) of JP-A-61 232 148 (Kokkai Seikan KK), Oct. 16, 1986.
Patent Abstracts of Japan, vol. 14, No. 390 (C-0751) 23 Aug. 1990 of JP-A-02 145 774 (Sumitomo Metal Ind Ltd), Jun. 5, 1990.

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