Top plate having a first enamel coating in a heating portion and

Details Top plate having a first enamel coating in a heating portion and Top plate having a first enamel coating in a heating portion and

1997-02-28

1999-02-02

Speer, Timothy M.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428427, 428428, 428432, 428701, 428702, B32B 1706

Patent

active

058662391

ABSTRACT:
A top plate (3) of a low-expansion crystallized glass of deep color, with a first enamel coating coated on a heating portion (5, 7, 9, 11) of the plate and a second enamel coating coated on a non-heating portion (13) around and other than the heating portion. The first enamel coating consists essentially, by weight, of 40 to 98% glass content, 5 to 55% at least one of ZrSiO.sub.4 and ZrO.sub.2 crystals, and 0 to 54% coloring pigment. The second enamel coating consists essentially, by weight, of 30 to 94% glass content, 5 to 69% TiO.sub.2 crystals, 0 to 34% coloring pigment.

REFERENCES:
patent: 4507392 (1985-03-01), Rittler
patent: 4835121 (1989-05-01), Shibuya et al.
patent: 5212122 (1993-05-01), Pannhorst
patent: 5326728 (1994-07-01), Boury et al.
patent: 5691254 (1997-11-01), Sakamoto
English Abstract of Japanese Application Publication No. 07061837 (Mar. 7, 1995) describes a composition for decorating glass plates.

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