Process and apparatus for handling blank stacks

Details Process and apparatus for handling blank stacks Process and apparatus for handling blank stacks

1993-07-08

1995-05-23

Kashnikow, Andres

Material or article handling

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

Unstacking apparatus

414907, B65G 5902

Patent

active

054175437

ABSTRACT:
Disclosed are a process and an apparatus for handling stacks of blanks (blank stacks 13). Blanks for the production of cigarette packs, especially of the hinge-lid type, are provided in the form of blank stacks (13). The blank stacks (13) are located on a base, especially on a pallet. A lifting head (18) serves for picking up and transferring the blank stacks (13) to the packaging machine. The lifting head comprises a stack lifter (28) for lifting the blank stacks (13) and a stack holder (20) for grasping and discharging the blank stacks. The stack lifter (28) is equipped with air nozzles (55) which direct an air jet downwardly onto the base (separator sheet 16) when the blank stack (13) is grasped and thus ensure that lower blanks (10) of the blank stack (13) which have not been grasped originally are lifted up as well. The lifting head (18) is also provided with (suction 59) for grasping an upper separator sheet (16) unilaterally at an edge thereof.

REFERENCES:
patent: 2609106 (1952-09-01), Tesch, Jr.
patent: 4671723 (1987-06-01), Feldkamper
patent: 4732522 (1988-03-01), Pence 414796.7

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