Dampener roll having bristles of longer length at opposite end p

Details Dampener roll having bristles of longer length at opposite end p Dampener roll having bristles of longer length at opposite end p

1989-09-13

1990-11-20

Fisher, J. Reed

Printing

Planographic

Dampeners

B41F 728, B41L 2306, B41L 2504

Patent

active

049709534

ABSTRACT:
An improved dampener roll is used to transfer dampening fluid from a reservoir to a printing plate in a lithographic printing press. The dampener roll includes an array of bristles which extends between opposite ends of the dampener fountain roll. The array of bristles includes a central portion and first and second end portions which are disposed at opposite ends of the roll. The bristles at the first and second end portions of the array of bristles are longer than the bristles at the central portion of the array of bristles.

REFERENCES:
patent: 2868118 (1959-01-01), Dahlgren
patent: 3257940 (1966-06-01), Strudwick
patent: 3411441 (1968-11-01), Hermach et al.
patent: 3545379 (1970-12-01), Norton
patent: 4143596 (1979-03-01), Ivett

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