Cleaning brush

Brushing – scrubbing – and general cleaning – Electrostatic cleaning

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Details

15179, 152565, 1525652, 355 15, G03G 2100

Patent

active

048358070

ABSTRACT:
A cleaning brush for electrostatographic reproducing apparatus has electroconductive fibers of nylon filamentary polymer substrate have finely divided electrically conductive particles of carbon black suffused through the surface of the filamentary polymer substrate and being present inside the filamentary polymer substrate as a uniformly dispersed phase independent of the polymer substrate in an annular region located at the periphery of the filament and extending inwardly along the length thereof. The electrically conductive carbon black is present in an amount sufficient to render the electrical resistance of the fiber from about 1.times.10.sup.3 ohms per centimeter to about 1.times.10.sup.9 ohms per centimeter. In a preferred embodiment, the fibers form the cut plush pile of a cut plush pile woven fabric which is wound spirally on a cylindrical core and includes conductive yarns spaced 2 to 3 centimeters apart running substantially parallel to the strip edges.

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patent: 4706320 (1987-11-01), Swift

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