Soft ceramic kitchenware internally coated with a non- stick...

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

B - Operations, Transporting

32

B

117/113, 65/3

B32B 19/02 (2006.01) A47J 36/02 (2006.01) A47J 36/04 (2006.01) C04B 41/52 (2006.01) C04B 41/89 (2006.01)

Patent

CA 1222913

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

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