Combination powder applying and/or infrared drying attachment fo

Details Combination powder applying and/or infrared drying attachment fo Combination powder applying and/or infrared drying attachment fo

1989-04-28

1989-11-28

Eickholt, Eugene H.

Printing

Antismut device

Drying with fluid or by heating

1014242, 34 4, 34 41, 118642, B41F 3500

Patent

active

048829927

ABSTRACT:
The attachment is selectively usable to apply heat, anti-offset powder, or both heat and powder to freshly printed sheets passing to the sheet collection station of a printing press. Operation of the heat and/or powder applying assemblies is changed automatically to compensate for changes in the press speed. The location at which heat is applied to the sheets is upstream from that at which powder is applied, and is spaced from the collection station. Shields and air currents assist in regulating heat transfer. A compact housing assembly supports both heat and powder applying components.

REFERENCES:
patent: 2941062 (1960-06-01), Halley
patent: 3078587 (1963-02-01), Huck
patent: 3745307 (1973-07-01), Peek, Jr.
patent: 3829982 (1974-08-01), Pray et al.
patent: 3861351 (1975-09-01), Bonwit et al.
patent: 4408400 (1983-10-01), Pinto
patent: 4716658 (1988-01-01), Jacobi, Jr.
patent: 4773167 (1988-09-01), Jacobi, Jr.
"New Inks Boost Use of Infrared Dryers on Sheet Fed Offset Presses" Inland Printer/American Lithographer 6/78, pp. 49-50.

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