Laminated steel sheet for welded can

Details Laminated steel sheet for welded can Laminated steel sheet for welded can

1993-03-22

1995-02-14

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

Microscopic interfacial wave or roughness

428623, 428626, 428648, B32B 1508

Patent

active

053894510

ABSTRACT:
A laminated steel sheet for a welded can which includes: a steel sheet; a plating layer formed on the steel sheet, the plating layer having a surface roughness represented by a PPI of 5 to 150, the plating layer having a tinning layer and a chemical treatment layer, the tinning layer being formed on the steel sheet and the chemical treatment layer being formed on the tinning layer, the tinning layer having a coating weight of 0.9 to 2.8 g/m.sup.2, the chemical treatment layer containing 5 to 50 mg/m.sup.2 of metallic chromium and hydrated chromium oxide containing 5 to 25 mg/m.sup.2 of chromium; and a resin film thermo-compressed on the plating layer in a band form, the resin film being a biaxially oriented film of a polyethylene terephthalate copolymer, the polyethylene terephthalate copolymer having an acid component of which 0.5 to 10 mol % is isophthalic acid.

REFERENCES:
patent: 4614691 (1986-09-01), Inui et al.
patent: 4783378 (1988-11-01), Wakui et al.
Derwent Publications Ltd., London, GB; AN 91-351209 (48) of JP-A-3 236 954 (Nippon Steel Corp.) 22 Oct. 1991.
Derwent Publcations Ltd., London, GB; AN 86-314835 (48) of JP-A-61 232 148 (Hokkai Seikan KK) 16 Oct. 1986.
Derwent Publications Ltd., London, GB; AN 89-266607 (37) of JP-A-1 192 545 (Nippon Steel Corp.) 2 Aug. 1989.

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