Patent ID: 7434510
Filing Date: 2008-10-14
Classification: B41F

Abstract:
1. Method for cleaning a screen stencil of a screen printing device, comprising the steps of: bringing a paper web beneath the screen stencil for an intermediate printing; and printing on the paper web by a squeegee running over the screen stencil, wherein before performing the intermediate printing, the bottom of the screen stencil is wetted with a cleaning agent by a rotating cylinder or brush that is immersed in cleaning agent and brought in contact with the bottom of the screen stencil, the rotating cylinder or brush being mounted to be raised or lowered and arranged across a direction of movement of the intermediate printing device, the rotating cylinder or brush rotates without slippage along the bottom of the screen stencil, and said paper web is different from a media to be printed on in regular printing on the screen printing device.