Apparatus for protecting the surface of freshly printed sheets

Details Apparatus for protecting the surface of freshly printed sheets Apparatus for protecting the surface of freshly printed sheets

1994-12-07

1996-07-16

Burr, Edgar S.

Printing

Antismut device

Anti-offset material application

1014161, B41F 3500

Patent

active

055356761

ABSTRACT:
Apparatus for protecting the surface of freshly printed sheets which are deposited upon one another to form a sheet pile includes an applicator for applying to the respective sheets a separating-agent layer formed of solid particles of separating agent, the layer of separating agent being formed of a mixture including at least one degradable separating agent substance, an aqueous vehicle liquid, and at least one mixture component which degrades the separating agent substance upon simultaneous contact with the separating agent substance and the vehicle liquid.

REFERENCES:
patent: 2093995 (1937-09-01), Blow
patent: 2110052 (1938-03-01), Paasche
patent: 3740248 (1973-06-01), Buhler
patent: 3861351 (1975-01-01), Bonwit et al.
patent: 4033263 (1977-07-01), Richmond
patent: 4393773 (1983-07-01), Theilacker
patent: 4458626 (1984-07-01), Dessilani
patent: 4807528 (1989-02-01), Schmoeger et al.
patent: 4952267 (1990-08-01), McPherson et al.
patent: 5062919 (1991-11-01), McPherson et al.
patent: 5090626 (1992-02-01), Platsch
Druckindustrie Publication No. 21 (Walenski), Oct. 3, 1993, "Die Bestaubung im Offsetdruck".
ICI Publication 1990, 5 pages "Biological Products".

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