Anti-stick cookware with cookware body formed by spinning
OwnerTung-Hung Tsaiinventor
Life of this patent
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Abstract
An anti-stick cookware is manufactured by a process including a step of spinning a metal plate made of an aluminum alloy to form a cookware body having a bottom portion, a side portion extending upward from the bottom portion, and an inner cooking surface defined by the bottom and side portions. The side portion of the cookware body has a thickness thinner than that of the bottom portion of the cookware body. The thickness of the bottom portion of the cookware is at least 2.5 mm, and the thickness of the side portion of the cookware is at least 1.8 mm. The thickness of the side portion is 30%-64% of that of the bottom portion.
Claims6
An anti-stick cookware manufactured by a process which comprises the steps of:
- spinning a metal plate, which is made of an aluminum alloy, to form a cookware body having a bottom portion, a side portion extending upward from said bottom portion, and an inner cooking surface defined by said bottom and side portions, said side portion of said cookware body having a thickness thinner than that of said bottom portion of said cookware body, wherein the thickness of said bottom portion of said cookware is at least 2.5 mm, the thickness of said side portion of said cookware is at least 1.8 mm, and the thickness of said side portion being 30%-64% of that of said bottom portion;
- cleaning and roughening said inner cooking surface;
- applying a metallic scratch-resistant layer onto said inner cooking surface, after being cleaned and roughened, by electric-arc spraying an abrasive metal onto said inner cooking surface;
- and
- applying an anti-stick layer of fluorocarbon resin onto said scratch-resistant layer.
Dependencies are inferred from the claim text.