Screen printing method and method of producing screen printing p

Details Screen printing method and method of producing screen printing p Screen printing method and method of producing screen printing p

1991-10-23

1992-12-08

Crowder, Clifford D.

Printing

Stenciling

Stencils

101129, 101DIG36, 101486, B41C 114, B41M 112

Patent

active

051688050

ABSTRACT:
A screen printing method comprises an aligning process for fixing a master plate (10) to a fixing frame (20) in aligned relation thereto, an exposure process of exposing a screen printing plate (50) through the master plate (10) fixed to the fixing frame (20), a developing process for developing the thus exposed screen printing plate (50), and a printing process for printing a workpiece (80) by using the thus developed screen printing plate (50). In the aligning process, the positioning pins (22a, 22b, 22c) of the fixing frame (20) abut against the positioning protuberances (62a, 62b, 62c) of a fixing block (61). In the exposure process, the positioning pins (22a, 22b, 22c) of the fixing frame (20) abut against the positioning protuberances (32a, 32b, 32c) of a positioning block (3), while the positioning pins (52a, 52b, 52c) of the printing plate (51) holding the screen printing plate (50) abut against the positioning protuberances (62a, 62b, 62c) of the fixing block (61). In the printing process, the positioning pins (52a, 52b, 52c) of the plate frame (51) holding the screen printing plate (50) abut against the positioning protuberances (72a, 72b, 72c) of a fixing block (71). With this arrangement, the aligned state established by the aligning process which is performed first of all is maintained throughout until the last printing process is completed.

REFERENCES:
patent: 1647246 (1927-11-01), Ogden
patent: 1828771 (1931-10-01), Flockhart
patent: 1912547 (1933-06-01), Smith et al.
patent: 4005651 (1977-02-01), Sigel et al.
patent: 4516495 (1985-05-01), Ericsson

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