Dampening water circulation system for offset press

Details Dampening water circulation system for offset press Dampening water circulation system for offset press

1997-08-22

1998-04-07

Fisher, J. Reed

Printing

Planographic

Dampeners

B41F 732, B41F 726

Patent

active

057352046

ABSTRACT:
A dampening water circulation system achieves further lightweighting, easy maintenance and decreases a heat energy influencing the temperature of the dampening water. There are provide a dampening water supply pipe 50 and the dampening water pool bar 60 along the water fountain roller 20. The dampening water pool bar and the water fountain roller are arranged to maintain an aperture G of several mm to thereby form the water pool portion 70 between two members. The fed water can be kept in the dampening water pool portion to be applied on the water fountain roller. The dampening water pool portion is made small in size to minimize a time for the dampening water from the supply pipe 50 to the water fountain roller whereat the supplied water does not influenced by any foreign element, which can minimize the return water amount and is effective to decrease the cooling capacity for the used dampening water.

REFERENCES:
patent: 3769909 (1973-11-01), Fugman et al.
patent: 4211167 (1980-07-01), Corse
patent: 5357864 (1994-10-01), Ohta et al.
European Search Report of Nov. 21, 1994 by E. Thibaut.
Patent Abstract of Japan, vol. 17, No. 385 (M-1448), Jul. 20, 1993, Japan.

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