Grooved roller dampener

Details Grooved roller dampener Grooved roller dampener

1975-08-20

1977-04-12

Burr, Edgar S.

Printing

Planographic

Dampeners

291211, 1011325, B41F 724

Patent

active

040168115

ABSTRACT:
The invention pertains to an improved transfer roller for use in continuous type dampening mechanisms for lithographic offset printing presses. The surface of the transfer roller is provided with minute, closely spaced, spiral grooves whereby the fluid feed capacity of such dampeners is significantly increased so as to satisfy the dampening requirements of high speed lithographic web presses.

REFERENCES:
patent: 2051222 (1936-08-01), Odell
patent: 2338635 (1944-01-01), Galber
patent: 2530282 (1950-11-01), Brodie et al.
patent: 3008407 (1961-11-01), Roberts et al.
patent: 3106154 (1963-10-01), Saul
patent: 3285169 (1966-11-01), Hartwig
patent: 3613575 (1971-10-01), Kantor
patent: 3705451 (1972-12-01), Dahlgren

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