Device for washing the outer surface of a blanket cylinder of an

Details Device for washing the outer surface of a blanket cylinder of an Device for washing the outer surface of a blanket cylinder of an

1988-03-28

1989-06-27

Burr, Edgar S.

Printing

Cleaning attachments

101423, B41F 3506

Patent

active

048418625

ABSTRACT:
A washing device for washing the outer cylindrical surface of a blanket cylinder of an offset printing machine has a first washing roller in rolling engagement with the blanket cylinder, at least during a washing operation, for guiding a washing liquid to the blanket cylinder so as to loosen impurities thereon; a distribution roller for transferring the washing liquid to the first washing roller being in rolling engagement with the first washing roller; an applicator device for controllably applying the washing liquid to the distributor roller; a second washing roller located beneath the first washing roller and being located downstream from the first washing roller as viewed in rotary direction of the blanket cylinder, being in contact with the blanket cylinder at least during the washing operation so as to carry away the loosened impurities from the blanket cylinder; a collecting tub for the washing liquid and the impurities; a transmission system driveably connected to a driving pinion of the printing machine for driving the second washing roller in rotary direction of the blanket cylinder; the second washing roller having a cleaning covering thereon formed as a brush jacket, and, at least during the washing operation, being in contact with the blanket cylinder at a first contact location and with the first washing roller at a second contact location, the blanket cylinder and the first washing roller, during the contact with the second washing roller, respectively penetrating into the brush jacket.

REFERENCES:
patent: 4072106 (1978-02-01), Junghans et al.
patent: 4311095 (1982-01-01), Jeschke
patent: 4747348 (1988-05-01), Jeschke et al.

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