Adjustable spray dampening system

Details Adjustable spray dampening system Adjustable spray dampening system

1990-01-22

1991-06-25

Burr, Edgar S.

Printing

Planographic

Dampeners

239568, B41L 2506

Patent

active

050257226

ABSTRACT:
A spray dampening system is disclosed having a number of spray nozzles arranged in laterally spaced relationship, for spraying dampening fluid onto a dampening roll of a printing press in laterally adjacent individual spray patterns which merge on the dampening roll surface in a substantially continuous and laterally extending composite spray pattern. The system, through an arrangement of a plurality of guideway slots on a stationary member and cam slots on a pair of reciprocally movable cam members, moves the spray nozzles simultaneously laterally toward and away from each other and axially toward and away from the dampening roll surface, so that the width of the composite spray pattern may be adjusted while preventing excessive overlapping of the laterally adjacent individual spray patterns.

REFERENCES:
patent: 2231694 (1941-02-01), Stevens
patent: 3764070 (1973-10-01), Glaser
patent: 3924531 (1975-12-01), Klingler
patent: 4469024 (1984-09-01), Schwartz et al.
patent: 4480548 (1984-11-01), Rebel et al.
patent: 4815375 (1989-03-01), Switall et al.

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