Importance

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Abstract

Apparatus for use in a gravure press or other reproduction apparatus, comprising a roller apparatus which is at least partly electrically conductive and at least one electrical transfer device adjacent the surface of the roller and connected to a power source, in use, to enable a charge to be applied to the surface of the roller by each such transfer device, and means for moving the transfer device relative to the surface of the roller, in use, whereby to mitigate the adverse image-patterning effects on gravure printing, or other reproduction, of any spatial discontinuities in the level of charge transfer from the spaced transfer devices onto the roller.

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First Claim