Separation method and device

Details Separation method and device Separation method and device

1994-04-07

1996-04-30

Bucci, David A.

Material or article handling

Apparatus for moving intersupporting articles into, within,...

Unstacking apparatus

4147972, 4147973, 414786, B65H 102

Patent

active

055119360

ABSTRACT:
Separating flat parcels from a stack of parcels is accomplished by moving a drawing element in a conveying direction so that a surface of the drawing element comes into contact with a first parcel of the stacked parcels. A stacking pressure is generating with a stack support element in a direction toward the surface of the drawing element so that a force is exerted on the first parcel in the direction of the drawing element and the surface of the drawing element is in close frictional contact with the first parcel. The force exerted on the first parcel in the direction of the surface of the drawing element is increased by generating a vacuum on a side of the drawing element. The first parcel is conveyed with the drawing element through a gap between the drawing element and a guide wall provided for front edges of the stacked parcels.

REFERENCES:
patent: 3391926 (1968-07-01), Jaatinen
patent: 4042235 (1977-08-01), Wanner et al.
patent: 4119219 (1978-10-01), Marschke
patent: 4903047 (1990-02-01), Hatanaka
patent: 5290022 (1994-03-01), Sabatier et al.
patent: 5295675 (1994-03-01), Hain et al.
patent: 5295676 (1994-03-01), Kenin et al.
patent: 5344133 (1994-09-01), Jantsch et al.

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