Printing with blanket having recessed portion

Details Printing with blanket having recessed portion Printing with blanket having recessed portion

1974-11-26

1976-06-01

Skogquist, Harland S.

Printing

Planographic

Rotary machines

101350, 356212, B41F 900

Patent

active

039600777

ABSTRACT:
In an offset lithographic printing machine a recess is provided in the offset blanket in a position such that when the recess is at the nip between the blanket cylinder and the printing plate cylinder the recess is in registry with a part of the non-printing area of the printing plate. The amount of water on that part of the non-printing area is then determined as, for example, a function of the amount of radiation reflected by that part.

REFERENCES:
patent: 2360340 (1944-10-01), Harris
patent: 2578625 (1951-12-01), Bowers et al.
patent: 3234871 (1966-02-01), Ostwald
patent: 3439175 (1969-04-01), Kammuller et al.

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