Stencil manufacturing and printing process

Details Stencil manufacturing and printing process Stencil manufacturing and printing process

1984-11-02

1987-03-17

Fisher, J. Reed

Printing

Stenciling

Processes

101126, 1011284, B41F 1520, B41F 1534

Patent

active

046498176

ABSTRACT:
A stencil manufacturing and printing process reduces printed image distortion by matching screen deflection in the photostencil preparation phase with stencil deflection in the printing phase. The usual squeegee is replaced by atmospheric pressure and screen/stencil deflection is induced by producing a vacuum through a specially constructed air distribution frame. Compressed air can be introduced through the same frame to rapidly release the stencil from the substrate when the printing is completed. A control unit facilitates operator control of the printing process.

REFERENCES:
patent: 2239619 (1941-04-01), Murgatroyd et al.
patent: 3150583 (1964-09-01), Reed, III et al.
patent: 3172358 (1965-03-01), Weiss
patent: 3221648 (1965-12-01), Weiss
patent: 3221649 (1965-12-01), Weiss
patent: 3372638 (1968-03-01), Tripp
patent: 3463587 (1969-08-01), Oltra et al.
patent: 3871293 (1975-03-01), Valiela
patent: 3964385 (1976-06-01), Knight
patent: 4083301 (1978-04-01), Black
patent: 4388862 (1983-06-01), Thomas, Jr.
patent: 4484813 (1984-11-01), Maher
Screen Printing, Feb., 1984, "Stencil Troubleshooting Chart".

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