Producing a multi-color image in polychromatic glass

Details Producing a multi-color image in polychromatic glass Producing a multi-color image in polychromatic glass

1980-03-10

1981-10-20

Fisher, Richard V.

Glass manufacturing

Processes

With chemically reactive treatment of glass preform

65 32, 65 33, 65 60R, 156100, 430 5, 430 7, 430494, C03B 2500, C03B 3200, C03C 322, C03C 326

Patent

active

042958725

ABSTRACT:
There is disclosed a method of producing an image of an original multi-color subject in polychromatic glass by employing as a masking means, during initial exposure of the glass, high contrast film positives embodying the subject in the form of half tone transparencies. Preparation of the film positives for masking purposes is also described.

REFERENCES:
patent: 4057408 (1977-11-01), Pierson et al.
patent: 4092139 (1978-05-01), Ference
patent: 4134747 (1979-01-01), Pierson et al.

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