Apparatus for dry cleaning exposed films

Details Apparatus for dry cleaning exposed films Apparatus for dry cleaning exposed films

1996-05-02

1998-02-03

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15 151, 153091, B08B 504, B08B 600

Patent

active

057131023

ABSTRACT:
An apparatus for cleaning exposed film includes a dry cleaning unit including at least a first dry cleaning station comprising an ionization unit having an electrostatic discharge device and means for removing discharged dust particles from the film. A roller driven by a drive motor draws the film from an unwinding reel through the dry cleaning unit. A film take-up reel driven by a controlled drive motor is disposed downstream of the driven roller. The controlled drive motor is controlled so that a tensile force acting on the film remains uniform as a diameter of the film winding on the film take-up reel varies. A satisfactory cleaning of the film is thus achieved, even when cleaning old and heavily-soiled films, together with a reliable take-up of the cleaned film without a danger of film breakage in the film cleaning apparatus.

REFERENCES:
patent: 2956300 (1960-10-01), Bruno
patent: 3266196 (1966-08-01), Barcard
patent: 3531201 (1970-09-01), Prentice
patent: 4148570 (1979-04-01), Ichiyanagi
patent: 4244078 (1981-01-01), Hughes et al.
patent: 4454621 (1984-06-01), Testone
patent: 4656530 (1987-04-01), Farrow et al.
patent: 5349713 (1994-09-01), Stimpfl

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