Screen printing apparatus and process comprising chamber with mo

Printing – Stenciling – Traveling-inker machines

Patent

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Details

101126, B41L 1300, B41L 1318

Patent

active

045453004

ABSTRACT:
A screen printing assembly attachable to a silk screen frame including a support frame positionable adjacent and attachable to the screen frame. A squeegee and flood bar assembly deposits and forces ink on and through the screen and onto a substrate disposed adajcent the screen. The assembly includes a mechanism movable along the support frame and the screen frame and a flexible sheet is attached to and moves with the mechanism. The flexible sheet is sealed to the support frame, and forms in part a sealed chamber in which the squeegee and flood bar assembly deposits the ink on the screen. Solvents can be sprayed into the sealed chamber which contains the solvent so that it does not escape not the atmosphere. An inert gas is injected into the chamber displacing the oxygen in it so that the ink does not dry out as rapidly, and safely maintaining the contained solvent. A method for screen printing using this sealed chamber.

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