Porcelain enamel sign and method of manufacture

Details Porcelain enamel sign and method of manufacture Porcelain enamel sign and method of manufacture

1996-01-11

1998-07-14

Breneman, R. Bruce

Etching a substrate: processes

Forming or treating a sign or material useful in a sign

216100, 40615, B44C 122

Patent

active

057799199

ABSTRACT:
A porcelain coated sign comprises a steel plate reverse etched to form raised indicia, including Braille, against an etched background area. The plate is coated with a porcelain slurry and fired to form a porcelainized surface. The raised indicia may be tipped with one or more additional pigmented porcelain enamels to provide contrasting colors if desired.

REFERENCES:
patent: 1559572 (1925-11-01), Kapner
patent: 2963805 (1960-12-01), Sterry
patent: 4117616 (1978-10-01), Penton
patent: 4429478 (1984-02-01), Bruce-Sanders
patent: 4844391 (1989-07-01), Follis
patent: 5336458 (1994-08-01), Hutchison et al.

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