Offset press having two printing units with alternate path deliv

Printing – Multicolor – Rotary machines

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271 82, 271314, 101248, 101 72, B41F 516

Patent

active

044805454

ABSTRACT:
An offset press is provided with two printing units, the first of which is a typical offset unit and the second of which is adapted to effect number printing, relief printing or perforation or the like. The second printing unit is provided with a printing cylinder, a paper ejection cylinder and first and second delivery cylinders whose axes are positioned at the four corners of a square. In this manner, the paper from the first printing unit can be guided to the paper ejection cylinder by two distinct selectible transport paths, only one of which includes the second printing unit's printing cylinder.

REFERENCES:
patent: 3384011 (1968-05-01), Bolza-Schunemann
patent: 3443808 (1969-05-01), Siebke
patent: 3847077 (1974-11-01), Zirnstein et al.
patent: 3926118 (1975-12-01), Preuss
patent: 4015522 (1977-04-01), Preuss et al.
patent: 4018161 (1977-04-01), Johne
patent: 4060238 (1977-11-01), Simeth
patent: 4217823 (1980-08-01), Burger
patent: 4218972 (1980-08-01), Fujishiro
patent: 4222326 (1980-09-01), Mathes et al.
patent: 4409895 (1983-10-01), Fischer

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