Coater for a sheet fed printing press

Details Coater for a sheet fed printing press Coater for a sheet fed printing press

1987-07-27

1988-10-25

Lawrence, Evan K.

Coating apparatus

With printing

118224, 118249, 118262, B05C 102

Patent

active

047795573

ABSTRACT:
A coater for an offset printing press in which the last printing station, i.e., the blanket cylinder roller with its associated sheet-handling grippers, is converted to coating service, such that a pick-up roller, after an ascending arcuate path not exceeding 80.degree., transfers a liquid coating to an applicator roller rotating in an opposing direction to the blanket cylinder surface which coats the individual imprinted sheets and the liquid coating itself serves as a lubricant permitting said opposing directions of rotation and grippers of said blanket cylinder roller maintain proper handling control of the sheets during the coating thereof. Limiting the arcuate path of 80.degree. obviates reverse flow of the liquid coating on the pick-up roller.

REFERENCES:
patent: 4046931 (1977-09-01), Innes et al.
patent: 4270483 (1981-06-01), Butler et al.
patent: 4347269 (1982-08-01), Keep
patent: 4399767 (1983-08-01), Simeth

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