Folding apparatus with rotating vacuum roller

Details Folding apparatus with rotating vacuum roller Folding apparatus with rotating vacuum roller

1993-06-01

1995-05-02

Look, Edward K.

Sheet-material associating

With printing

Folding, with rotary printer

493432, B41F 1356

Patent

active

054112451

ABSTRACT:
A device for guiding signatures between signature-guiding cylinders in a folding apparatus of a rotary printing press includes a guide member extending over the length of the signature-guiding cylinders for receiving signatures thereon, the guide member being disposed relative to the signature-guiding cylinders so as to facilitate a reversal of transport direction of the signatures, a support member whereon the guide member is rotatably supported, at least one conveyor belt for driving the guide member, and a device for applying negative pressure, during rotation of the guide member, to peripheral regions of the guide member and between the guide member and a respective signature received thereon.

REFERENCES:
patent: 3689061 (1972-09-01), Nystrand
patent: 4349185 (1982-09-01), Small et al.
patent: 4474367 (1984-10-01), Jongerling et al.
patent: 4494949 (1985-01-01), Baley
patent: 4521209 (1985-06-01), DuFresne
patent: 4605212 (1986-08-01), Kobler
patent: 4666139 (1987-05-01), Filewich
patent: 4817932 (1989-04-01), Stab
patent: 4921235 (1990-05-01), Biagiotti et al.
patent: 5013020 (1991-05-01), Stoll
patent: 5039076 (1991-08-01), Fischer

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