Folding apparatus for rotary printing presses

Details Folding apparatus for rotary printing presses Folding apparatus for rotary printing presses

1998-01-27

2000-07-25

Scherbel, David A.

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

And with bending

493426, B65H 4516

Patent

active

060931396

ABSTRACT:
The present invention is related to a product cutting device for flat material, such as sheets, webs of material or the like. A product folding cylinder rotates about an axis of rotation and has a surface for supporting the incoming material to be cut. A cutting cylinder cooperates with the product folding cylinder and has knife assemblies mounted thereon. Cyclically engageable product seizing elements are assigned to at least one of the product folding cylinder and the cutting cylinder, and are moveable opposite to a sense of rotation of the product folding cylinder. The product seizing elements engage a respective next product's front portion after the cutting operation is terminated.

REFERENCES:
patent: 629928 (1899-08-01), Seymour
patent: 1185088 (1916-05-01), Goss et al.
patent: 1413841 (1922-04-01), Fallot
patent: 1900288 (1933-03-01), Jordhoy
patent: 2031780 (1936-02-01), Lamatsch
patent: 3195882 (1965-07-01), Nystrand
patent: 4445881 (1984-05-01), Bullen et al.
patent: 5122109 (1992-06-01), Kubota et al.
patent: 5503071 (1996-04-01), Hillebrand et al.

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