Impression roller with adjustable electrical characteristics...

B - Operations – Transporting – 41 – F

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B41F 31/00 (2006.01) B41F 9/00 (2006.01) B41F 13/18 (2006.01) B41M 1/42 (2006.01)

Patent

CA 1196814

IMPRESSION ROLLER WITH ADJUSTABLE ELECTRICAL CHARACTERISTICS AND METHOD OF MAKING THE SAME Abstract of the Disclosure An impression roller with an insulated core, with an outer layer of resilient semiconductive material, and with a set of conductive wires extending along its length and out one end for interconnection, to adjust the resistance of the roller to current being conducted between a first region of higher potential and a second region of relatively lower potential. In a first embodiment the wires are connected by jumper wires while in a second embodiment resistors are con- nected between the conductive elements to provide further increments in the adjustment of roller resistance. A method is also disclosed for making such a roller.

409018

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