Rotary folding apparatus with a special cylinder arrangement for

Details Rotary folding apparatus with a special cylinder arrangement for Rotary folding apparatus with a special cylinder arrangement for

1993-03-16

1995-02-07

Kwon, John T.

Sheet-material associating

Associating and folding

Longitudinal web folding

270 7, 270 211, 493359, 493458, B41L 4308, B41F 1358

Patent

active

053869796

ABSTRACT:
Folding apparatus for signatures having a given format includes at least a first longitudinal folding device, a plurality of cylinders arranged in succession thereafter and followed by at least a second longitudinal folding device. Also included are a cylinder section having a base frame, and two cross-fold systems operatable independently of one another and integrated in the base frame. Each of the cross-fold systems has cylinders for guidingly carrying signatures having a given format, the signature-carrying cylinders being of such diameter as to have an outer cylindrical surface extending over the circumference thereof adequate for carrying one behind the other at one time at least two of the signatures having the given format.

REFERENCES:
patent: 4564470 (1986-01-01), Schmitt
patent: 4746107 (1988-05-01), Schneider et al.
patent: 4861326 (1989-08-01), Kuhner et al.
patent: 5024128 (1991-06-01), Campbell, Jr.
patent: 5037076 (1991-08-01), Stab
patent: 5065993 (1991-11-01), Reponty

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