Welded can and process for preparation thereof

Details Welded can and process for preparation thereof Welded can and process for preparation thereof

1982-11-19

1984-10-16

Kittle, John E.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

428344, 428349, 156320, 1562726, 220 80, 220457, 220468, 228150, B65D 6540

Patent

active

044775016

ABSTRACT:
Disclosed is a coated welded can having a metal-exposed face inclusive of a seam covered with a coating, wherein the coating comprises at least one organic resin coating layer and at least one metal film, and at least the portion of the organic resin coating that adheres to the metal-exposed face is comprised of a copolymer of ethylene with a carbonyl group-containing, ethylenically unsaturated monomer or a blend containing this copolymer.
In this coated welded can, the adhesion of the coating, the corrosion resistance of the seam and the appearance characteristics of the seam are highly improved. Furthermore, the coating of this welded can is not damaged by such processing as flanging, beading or double-seaming or when the welded can is subjected to the retort sterilization.

REFERENCES:
patent: 2797843 (1957-07-01), Orlins
patent: 2994454 (1961-08-01), Crowe
patent: 3077171 (1963-02-01), Gotsch et al.
patent: 3661696 (1972-05-01), Knutson
patent: 3682767 (1972-08-01), Britton et al.
patent: 3905854 (1975-09-01), Kaercher et al.
patent: 4115617 (1978-09-01), Mitsuishi et al.

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