Vacuum distribution apparatus and method for flat bed screen pri

Details Vacuum distribution apparatus and method for flat bed screen pri Vacuum distribution apparatus and method for flat bed screen pri

1990-05-11

1992-03-03

Crowder, Clifford D.

Printing

Stenciling

Multicolor

1984711, B41F 1510, B41F 1520

Patent

active

050922394

ABSTRACT:
Screen printing apparatus having an inner stationary column having a vertical axis and an outer rotatable cylinder encircling the column and rotatable about the vertical axis. A rotatable turntable is mounted on the rotatable cylinder for movement between successive screen printing stations. The turntable mounts plural work supports having vacuum beds to retain workpieces. A vacuum ring is connected to a stationary vacuum means and has a slidable sealed contacting surface with the turntable to transfer vacuum to a plurality of conduits extending to each work support.

REFERENCES:
patent: 3070212 (1962-12-01), Shabram
patent: 3124065 (1964-03-01), Bozek et al.
patent: 3592320 (1971-07-01), Binggeli
patent: 3616942 (1971-11-01), Gruber
patent: 4753162 (1988-06-01), Bubley
patent: 4909142 (1990-03-01), Bubley

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