Folding apparatus

Details Folding apparatus Folding apparatus

1987-05-26

1989-09-05

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

493441, 493442, B31F 100

Patent

active

048634212

ABSTRACT:
A folding apparatus in which an intermediate span of a signature at the folding station is buckled by a pair of oppositely driven signature feeding surfaces into the nip of a pair of converging signature folding and feeding surfaces which fold the signature and feed it from the folding station.

REFERENCES:
patent: 473068 (1892-04-01), Fowler
patent: 1781768 (1930-11-01), Spiess
patent: 3097578 (1963-07-01), Winkler et al.
patent: 3190640 (1965-06-01), Sjostrom
patent: 4493690 (1985-01-01), Niemiro et al.
"Web Offset Press Operating", by Edward J. Kelly, 1974, Publisher--Graphic Arts Technical Foundation, pp. 64, 67 and 68.

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