Composite-coated flat-rolled sheet metal product

Details Composite-coated flat-rolled sheet metal product Composite-coated flat-rolled sheet metal product

1991-12-20

1993-04-20

Page, Thurman K.

Stock material or miscellaneous articles

Composite

Of polyimide

428469, 72 47, B32B 902

Patent

active

052041875

ABSTRACT:
Composite-coated flat-rolled steel, product, method of manufacture and method of fabrication in which single or double-reduced low-carbon steel, after surface preparation, is flash-coated with tin (about 0.05 #/bb) which is alloyed with the base metal. Dichromate treatment passivates the tin-iron alloy surfaces depositing a chrome oxide layer prior to application of an organic coating (about 3 to 15 mg/in.sup.2 to each surface). Enhanced coating adhesion of the organic coating enables draw-processing of the double-reduced steel base metal substrate into unitary can bodies without damage to coating or substrate.

REFERENCES:
patent: 3717509 (1973-02-01), Palm
patent: 4726208 (1988-02-01), Saunders
patent: 5084358 (1992-01-01), Saunders

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