Printing screen with plugs and method for printing a variable th

Details Printing screen with plugs and method for printing a variable th Printing screen with plugs and method for printing a variable th

1993-12-16

1995-02-21

Burr, Edgar S.

Printing

Stenciling

Stencils

101129, 427282, 427287, 219203, B41F 1536

Patent

active

053905954

ABSTRACT:
A printing screen, a process of making such a printing screen, and a method of screen printing on hard non-absorbent materials, such as glass, are provided to form a pattern with selected areas of variable thickness. A pattern is formed in the screen utilizing an emulsion coating which has been hardened in the usual manner. A second pattern is formed in a second emulsion coating on a surface of the screen in at least one area of the first pattern. The second emulsion coating is substantially thinner than the first coat and includes a specific dot size and arrangement to achieve additional support, which results in a thinner layer of ceramic ink being deposited when the screen is in use.

REFERENCES:
patent: 3852564 (1974-12-01), Baum et al.
patent: 4242401 (1980-12-01), Mitani et al.
patent: 4958560 (1990-09-01), Collins
patent: 5240816 (1993-08-01), Noguchi et al.

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