Rotary printing machine with sheet reversal and transport appara

Details Rotary printing machine with sheet reversal and transport appara Rotary printing machine with sheet reversal and transport appara

1985-07-17

1987-05-05

Crowder, Clifford D.

Printing

Rolling contact machines

Rotary

101246, 101409, B41F 2106

Patent

active

046622772

ABSTRACT:
Register of sheets being transferred by a reversal drum (9), having suction grippers (16) to grip the trailing end (15) of a sheet (12) being transported and reversed between two printing stations (1, 2) is improved and assisted by positioning pricking pins (17) in or on the suction grippers (16), to prick into and engage the trailing end portions of the sheet being picked off an impression cylinder (5) of a first printing system (1) by the reversal and transport drum (9).

REFERENCES:
patent: 1870543 (1932-08-01), Wood
patent: 3654861 (1972-04-01), Rudolph et al.
patent: 4029009 (1977-06-01), Kuhn et al.
patent: 4372209 (1983-02-01), Jentzsch et al.

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