Method for coating a metal cookware

Details Method for coating a metal cookware Method for coating a metal cookware

1994-12-02

1996-08-13

Utech, Benjamin

Coating processes

With pretreatment of the base

Metal base

4273855, 205 85, 205122, 205208, B05D 300

Patent

active

055454399

ABSTRACT:
A method for coating a metal cookware includes the steps of (A) cleaning the metal cookware; (B) forming a scratch-resistant oxide film on the cooking surface by anodic oxidation; (C) roughening the scratch-resistant oxide film by blasting to form a roughened surface thereon, the roughened surface having valleys extending into the cooking surface; and (D) applying an anti-stick film of fluorocarbon resin on the roughened surface.

REFERENCES:
patent: 3936569 (1976-02-01), Miller et al.
patent: 4167605 (1979-09-01), Attwood et al.
patent: 4262043 (1981-04-01), Wald
patent: 5411771 (1995-05-01), Tsai
patent: 5462769 (1995-10-01), Tsai

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