Processes of manufacturing patterns or gobos

Details Processes of manufacturing patterns or gobos Processes of manufacturing patterns or gobos

1989-09-05

1990-06-19

Hall, Carl E.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

291636, 204 11, 204 15, 430320, 430323, 430324, B23P 1700, C25D 108

Patent

active

049340395

ABSTRACT:
Process of manufacturing a metal pattern provided with at least one aperture through which light may be transmitted to project an image on a surface in the shape of the aperture, may include the steps of providing at least a first member extending upwardly from the top surface of a substrate in the shape of the aperture and where the aperture is to be formed in the metal pattern, applying a layer of electrically conductive material to the top surface of the substrate at least around the first member, forming a layer of metal on the layer of electrically conductive material, and peeling the substrate, the upwardly extending first member and the layer of electrically conductive material away from the layer of metal to provide the aperture in the layer of metal and to thereby form the pattern.

REFERENCES:
patent: 2123297 (1938-07-01), Beynen et al.
patent: 3046202 (1962-07-01), Hornes et al.
patent: 3390992 (1968-07-01), Valles
patent: 3582476 (1971-06-01), Knisley
patent: 3819497 (1974-06-01), Grunwald et al.
patent: 4552832 (1985-11-01), Blume et al.

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