Printing – Special article machines
Patent
1989-06-19
1990-09-18
Crowder, Clifford D.
Printing
Special article machines
101123, 101126, B41F 1508, B41F 1700
Patent
active
049570447
ABSTRACT:
A vertical screening apparatus for simultaneously screening each side of a printed circuit board. The boards are transported from a feed assembly, into a position between two pivotally mounted screens where they are printed, then to an output assembly. Both sides of a board are printed simultaneously by means of flood blades and squeegees operating on the two screens to press them into contact with a board.
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