Folder

Details Folder Folder

1988-07-18

1990-01-23

Garrett, Robert E.

Sheet-material associating

Associating and folding

Sheet associating

270 211, B42C 104

Patent

active

048953563

ABSTRACT:
In the context of a folder for the production of products having at least one transverse fold and a cut parallel to the transverse fold, comprising a transverse cutting means, at least one transverse folding means and at least one smooth cut means made up of (a) scissors cut knives mounted on a folding cylinder which is provided with folding jaws (which cooperate with the tucker blades of a collect cylinder) in the part between the folding jaws and (b) at least one mating scissors cut knife set towards the peripheral part of the folding cylinder moving from the collect cylinder, the invention seeks to provide for simple resetting of the smooth cut and the possibility of stopping the production of smooth cuts during operation. In order to make this possible the folding cylinder consists of at least two coaxial fitting carriers, which are able to be turned in relation to each other and are driven at the same speed, and furthermore are fitted with folding jaws and, respectively scissors cut knives, and with coaxial drive wheels, which are coupled with each other by way of an adjustable bridge drive in a driving manner, the drive wheel of the one fitting carrier mounting the scissor cut knives engages a drive wheel of the knife cylinder and the drive wheel of the fitting carrier mounting the folding jaws is in engagement with a drive wheel associated with the tucker blades of the collect cylinder.

REFERENCES:
patent: 2022688 (1935-12-01), Quick
patent: 4147337 (1979-04-01), Bolkza-Schunemann
patent: 4211396 (1980-07-01), Michalik
patent: 4519597 (1985-05-01), DeSanto

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