Method for casting polyester on glass mold

Details Method for casting polyester on glass mold Method for casting polyester on glass mold

1986-04-14

1987-08-18

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Applying indicia or design

264219, 26433121, 264337, B29C 3338, B29C 3342, B29C 3912

Patent

active

046876090

ABSTRACT:
Colored polyester pictures containing therein a design depicted by an integral raised beaded structure on a smooth, polished background are prepared by a method in which the polyester is cast on specially prepared glass molds. The glass mold is prepared by transferring a line drawing or design to a piece of glass covered with one-sided tape. Removal of the tape where the line drawing appears to expose the underlying glass, followed by blasting, results in a channel or gulley in the glass which, following casting becomes the beaded structure of the picture. The use of pigmented polyester for casting and painting the finished cast results in decorative artwork.

REFERENCES:
patent: 300967 (1884-06-01), Harding
patent: 1888344 (1932-11-01), Bon
patent: 2022587 (1935-11-01), Cunningham
patent: 2147770 (1939-02-01), Ford
patent: 2294865 (1942-09-01), Frankenthal et al.
patent: 2879617 (1959-03-01), Popeil
patent: 3533889 (1970-10-01), Powell
patent: 4144300 (1979-03-01), Breeden
patent: 4409277 (1983-10-01), Michel

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