Cooking surfaces of glass-ceramic plates with layers with differ

Details Cooking surfaces of glass-ceramic plates with layers with differ Cooking surfaces of glass-ceramic plates with layers with differ

1976-01-28

1977-11-08

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Laterally noncoextensive components

99422, 99DIG5, 219464, 428210, 428212, 428213, 428215, 428332, 428334, 428428, 428432, 428446, 428539, B32B 1706

Patent

active

040576701

ABSTRACT:
A glass-ceramic plate cooking surface comprises a glass-ceramic base layer which allows penetration of thermal radiation having a wave length of from 0.7 to 5 microns and a top covering layer smaller in thickness than the base layer which is tightly joined to the base layer and absorbs the radiation with wave lengths of 0.7 to 5 microns. The glass-ceramic plate cooking surface can have the heating areas indicated by design and can be provided with an additional layer to avoid asymmetric stress and strengthen the cooking surface.

REFERENCES:
patent: 3406279 (1968-10-01), Ziver
patent: 3838505 (1974-10-01), Doner
patent: 3889021 (1975-06-01), Kuwayama

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