Impression roller with adjustable electrical characteristics and

Details Impression roller with adjustable electrical characteristics and Impression roller with adjustable electrical characteristics and

1981-08-25

1982-12-21

Eickholt, E. H.

Printing

Printing members

Blanks and processes

101153, 101219, 101375, 29829, B41C 104, B41F 906

Patent

active

043643132

ABSTRACT:
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 connected between the conductive elements to provide further increments in the adjustment of roller resistance. A method is also disclosed for making such a roller.

REFERENCES:
patent: 3447369 (1969-11-01), Adamson et al.
patent: 3619720 (1971-11-01), Coberley
patent: 3625146 (1971-12-01), Hutchison
patent: 4099462 (1978-07-01), Coberley et al.

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