Apparatus for cutting and folding a web of material

Details Apparatus for cutting and folding a web of material Apparatus for cutting and folding a web of material

1992-08-19

1993-09-07

Kisliuk, Bruce M.

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

And with bending

493429, 493424, B65H 4516

Patent

active

052423670

ABSTRACT:
The present invention relates to a folder for a rotary offset printing press comprising a transfer cylinder, a first-fold cylinder and a second fold cylinder. Each of the cylinders is constructed of two imbricated independent parts, and inner part and an outer part, moveable relative to one another and equipped with a respective driving gear. The drive gears of the respective cylinders are coupled to one another two-by-two so that coincidence between the cylinders is preserved. The drive gears of the transfer cylinder are connected to one another by a first pair of coupling gears coaxial relative to one another and interconnected by a first disengageable coupling and the drive gears of the first-fold cylinder being connected to one another by a second pair of coupling gears coaxial relative to one another and interconnected by a second disengageable coupling. An adjustment device for varying the angular displacement between the pairs of elements of the respective cylinders when the first and second disengageable couplings are in a disengaged position so as to convert the folder from a configuration that forms second parallel folds to one that forms delta folds.

REFERENCES:
patent: 3460823 (1969-08-01), Neal
patent: 4176833 (1979-12-01), Heimlicher
patent: 5057064 (1991-10-01), Michalik

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