Apparatus for forming stacks from consecutively conveyed, flat w

Details Apparatus for forming stacks from consecutively conveyed, flat w Apparatus for forming stacks from consecutively conveyed, flat w

1990-07-11

1991-12-31

Bucci, David A.

Material or article handling

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

Stack forming apparatus

271168, 271180, 271215, 271217, 414 27, B65H 3110, B31B 198

Patent

active

050767542

ABSTRACT:
An apparatus for forming stacks from consecutively fed, flat workpieces, preferably bags, comprises a ram, which is movable up and down and serves to force the workpieces from a plane of conveyance onto a stacking plate or onto a stack formed on said stacking plate. The stacking plate is adapted to be lifted and to be lowered to an extent depending on the increasing height of the stack. In order to ensure that the ram will exert an approximately constant force on each workpiece as it is stacked, the stacking plate is adapted to be lowered against the action of a force exerted by a brake.

REFERENCES:
patent: 2866642 (1958-12-01), Halvorsen et al.
patent: 3977669 (1976-08-01), Duono
patent: 3986701 (1976-10-01), Hopkins
patent: 4065839 (1978-01-01), Pointner
patent: 4275977 (1981-06-01), Joice
patent: 4296684 (1981-10-01), Wangermann
patent: 4796499 (1989-01-01), Achelpohl
patent: 4798573 (1989-01-01), Lagain

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