Air blast for preventing contact of wet ink sheets with printing

Details Air blast for preventing contact of wet ink sheets with printing Air blast for preventing contact of wet ink sheets with printing

1986-08-01

1988-02-02

Eickholt, E. H.

Printing

Antismut device

Sheet

101420, 271195, 406 88, B41F 1304

Patent

active

047222760

ABSTRACT:
A printing press has an apparatus for preventing contact of wet ink sheets with the chain delivery mechanism. The printing press has an impression cylinder and a blanket cylinder through which sheets are drawn by the chain delivery mechanism. The chain delivery mechanism has two sprockets mounted to a shaft, each of which rotates runs of chain to pull the sheets from the cylinders. A nozzle is mounted adjacent the shaft for discharging jets of air against the sheets to push them away from the shaft. An air compressor supplies air to the nozzle. A regulator valve allows the pressure at the nozzle to be varied depending upon the type of sheets.

REFERENCES:
patent: 2730950 (1956-01-01), Grassi
patent: 2736106 (1956-02-01), Offen
patent: 4372550 (1983-02-01), Woods
patent: 4395949 (1983-08-01), Jeschue
patent: 4444531 (1984-04-01), Baker et al.
patent: 4552069 (1985-11-01), Jahn
patent: 4572071 (1986-02-01), Cappel et al.

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