Process and apparatus for separating flexible sheets from a stac

Details Process and apparatus for separating flexible sheets from a stac Process and apparatus for separating flexible sheets from a stac

1981-05-06

1984-03-20

Schacher, Richard A.

Sheet feeding or delivering

Delivering to stack and feeding therefrom

With sheet sensor for selective location

271 183, 271168, B65H 322

Patent

active

044376553

ABSTRACT:
The invention relates to a process and apparatus for separating flexible sheets from a stack wherein the stack is locally compressed and pierced and stack holders are fitted in the holes formed extending through the entire thickness of the stack. The piercing device caan be located inside the frame of the actual separating device or in a second frame linked to the first frame, which frame is then provided with transporting chains to introduce the supporting platforms for the stacks into said frame, and to remove them therefrom after the sheets have been separated from the stack. The apparatus also includes an improved pick-up head wherein a stop for the pricking element is mounted between the pressure shoes.

REFERENCES:
patent: 2554821 (1951-05-01), Garfunkel
patent: 3738645 (1973-06-01), Gray
patent: 3981495 (1976-09-01), Bijttebier
patent: 4008888 (1977-02-01), Vinciguerra
patent: 4348018 (1982-09-01), Bijttebier

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