Apparatus for guiding sheet material into counterrotating brushe

Details Apparatus for guiding sheet material into counterrotating brushe Apparatus for guiding sheet material into counterrotating brushe

1973-12-26

1978-03-28

Braun, Fred L.

15 77, 354339, G03D 308

Patent

active

040818152

ABSTRACT:
Apparatus for treating sheet material in which the sheet material is transported into at least one revolving brush rotating in a direction opposite to the direction of travel of the sheet material, particularly a lithographic plate processor in which a developer solution is applied to at least one side of the plate and the brushes remove unwanted coating from the surface of the plate, in which a guide plate having a length substantially equal to the width of the sheet material is mounted immediately in front of the brush, with respect to the direction of travel of the sheet material and adjacent the surface of the sheet material, and extends into the nip of the brush to a point just behind a plane through the axis of rotation of the brush. Where both sides of the sheet are to be treated, the pair of brushes is mounted on opposite sides of the sheet, a pair of guide plates are mounted on opposite sides of the sheet, the guide plates are generally-flat plates forming a soaking chamber and developer solution conduits are provided for flooding the soaking chamber with treating solution.

REFERENCES:
patent: 2181266 (1939-11-01), Durup
patent: 2380550 (1945-07-01), Reed
patent: 2677320 (1954-05-01), Coughlin
patent: 3568587 (1971-03-01), Laval
patent: 3682078 (1972-08-01), Parker et al.
patent: 3707328 (1972-12-01), Robertson
patent: 3732808 (1973-05-01), Graham

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