Sheet-fed rotary printing press for both obverse and reverse sid

Details Sheet-fed rotary printing press for both obverse and reverse sid Sheet-fed rotary printing press for both obverse and reverse sid

1989-07-05

1990-11-06

Burr, Edgar S.

Printing

Rolling contact machines

Rotary

101231, 101183, B41F 502

Patent

active

049676601

ABSTRACT:
A sheet-fed rotary printing press for printing both the obverse and reverse side of a printing sheet. The printing press is provided with at least one obverse side printing unit including an impression cylinder and a discharge cylinder in contact therewith. The printing press is also provided with a reverse side printing unit in confrontation with the discharge cylinder. The discharge cylinder also functions as an impression cylinder for the reverse side printing.

REFERENCES:
patent: 3049996 (1962-08-01), Downie
patent: 3334897 (1967-08-01), Sharkey
patent: 4409895 (1983-10-01), Fischer
patent: 4471695 (1984-09-01), Ishii
patent: 4621576 (1986-04-01), Wirz
patent: 4777876 (1988-10-01), Ishii
U.S. application Ser. No. 97/225,642, Hiroshi Yamanari and Nobuhiko Fujisawa, filed Jul. 27, 1988, "Reverse Side Printing Device Employing Sheet Feed Cylinder and Provided in Sheet-Fed Printer".

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