Electrostatic charging and cleaning brushes

Details Electrostatic charging and cleaning brushes Electrostatic charging and cleaning brushes

1985-12-04

1987-11-17

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Electrostatic cleaning

15159A, 15182, 152565, 1525652, 15DIG6, 355 15, 430125, G03G 2100, A46B 902

Patent

active

047063203

ABSTRACT:
A cylindrical fiber brush useful in electrostatic charging and cleaning in an electrostatographic imaging process comprises an elongated cylindrical core having bound thereto a spirally wound conductive pile fabric strip forming a spiral seam between adjacent windings of the fabric strip, the fiber fill density of said fabric strip at the strip edge being at least double the fiber fill density in the center portion of the fabric strip. The increased fiber fill density at the strip edges provides additional fibers to fill the seams between the adjacent windings and improves the charging and cleaning performance at low rotational speeds.

REFERENCES:
patent: 2478262 (1949-08-01), Gay et al.
patent: 3655373 (1972-04-01), Fisher et al.
patent: 3780391 (1973-12-01), Leenhouts
patent: 4005512 (1977-02-01), Kandel
patent: 4026331 (1977-05-01), Lees et al.
patent: 4095622 (1978-06-01), MacBean
patent: 4311172 (1982-01-01), Eckstein
patent: 4371252 (1983-02-01), Uchida et al.
patent: 4494863 (1985-01-01), Laing

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