Perfector printer press

Details Perfector printer press Perfector printer press

1977-07-01

1979-02-06

Pieprz, William

Printing

Rolling contact machines

Rotary

101229, 101137, 101175, 101177, B41F 512, B41F 712

Patent

active

041378440

ABSTRACT:
A perfector printing press having a full size impression cylinder with a blanket thereon between the perfector roll and the plate roll so that printing is not done on the smaller radius perfector roller. The perfector is easier to reach for cleaning and changing and the quality of the printing is improved. The perfector may be spring loaded to prevent jam ups and pivoted about the impression cylinder for easier access.

REFERENCES:
patent: 1238325 (1917-08-01), Parmelee
patent: 1307007 (1919-06-01), Hanser
patent: 1517969 (1924-12-01), Evans
patent: 1933887 (1933-11-01), Woods
patent: 2387750 (1945-10-01), Davidson
patent: 2874636 (1959-02-01), Royer et al.
patent: 2909117 (1959-10-01), Crissy
patent: 2981181 (1961-04-01), Levien
patent: 3398681 (1968-08-01), Hirose
patent: 3690253 (1972-09-01), Dreyer
patent: 3769910 (1973-11-01), Heimlicher et al.
patent: 3829083 (1974-08-01), Shinna et al.

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