Soft ceramic kitchenware internally coated with a non-stick resi

Details Soft ceramic kitchenware internally coated with a non-stick resi Soft ceramic kitchenware internally coated with a non-stick resi

1984-04-19

1986-05-27

Ives, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428402, 428421, 428210, 428472, 428448, 4273762, B32B 1800, B32B 2700, B32B 1504

Patent

active

045915300

ABSTRACT:
To assure anchorage of a non-stick resin (18) to the ceramic biscuit (10) of a kitchenware a bonding means is used made up of a lead-free frit (12) having a melting point lying between 500.degree. and 950.degree. C. and including a glaze which melts essentially at these temperatures and that penetrates and bonds inside the pores (15) of the biscuit, and at least one substance that does not melt at the melting temperature of the glaze and which forms surface grains, or ovules (17) enclosed in the melted part (16) and anchored to the base of the biscuit. The non-stick resin emulsion (18) is spread over the rough layer which is successively fired by fusion.

REFERENCES:
patent: 3060610 (1962-10-01), Stangel
patent: 4204021 (1980-05-01), Becker
patent: 4250215 (1981-02-01), Mayer
patent: 4311755 (1982-01-01), Rummel

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