Patterned release finish

Details Patterned release finish Patterned release finish

1998-09-01

2000-08-15

Chen, Vivian

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428335, 428421, 428422, 428426, 428441, 428442, 428457, 428461, 428463, 427547, 427550, 427598, 427127, 427130, 427131, 427132, 4273722, 4273935, 427409, 4274124, B32B 514, B32B 1508, B32B 2716, B32B 2720, B32B 2730

Patent

active

061033618

ABSTRACT:
Smooth, patterned substrates useful in producing decorative cookware are formed by coating a base with a mixture of fluoropolymer and magnetic flakes and magnetically inducing an image in the polymer coating composition. The baked fluoropolymer release coating contains magnetizable flakes, a portion of the flakes being oriented in the plane of the substrate and a portion of said flakes being magnetically reoriented to form a pattern in the coating which is observed in reflected light, the flakes having a longest dimension which is greater than the thickness of said coating. The patterned substrate is formed by applying magnetic force through the edges of a magnetizable die positioned under a coated base to induce an imaging effect or pattern. The coating composition is then cured resulting in a smooth surface, patterned nonstick finish on the substrate.

REFERENCES:
patent: 3791864 (1974-02-01), Steingroever
patent: 3853676 (1974-12-01), Graves

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