Apparatus for stacking flat articles, preferably double bags mad

Details Apparatus for stacking flat articles, preferably double bags mad Apparatus for stacking flat articles, preferably double bags mad

Filed on

1987-03-27

Date issued

1989-05-02

Examiner

Schmidt, Frederick R.

Patent Class

Manufacturing container or tube from paper; or other manufacturi

SubClass

Container making

SubSubClass

Pliable container

Other Related Categories

493196, 83404, B31B 198

Type

Patent

Status

active

Patent number

048264768

Description

ABSTRACT:
Apparatus for stacking flat articles which in an intermediate portion are formed with locating holes and preferably consist of double bags having opening-defining edges disposed adjacent to their center line. The bags are fed by a wicketer and deposited in a stacking station on an endless stack conveyor and meedled onto raised upstanding stacking pins to form stacks. The stacking pins are operated to be lowered to release the needled stack which then advances to a succeeding severing station provided with a heated knife, which severs the stacks along a center line extending in the direction of stack travel. Additional conveyor belts are provided for retaining the separated stacks on the stack conveyor.

REFERENCES:
patent: 4128049 (1978-12-01), Lehmacher
patent: 4451249 (1984-05-01), DeBin
patent: 4512757 (1985-04-01), Dreckmann
patent: 4657528 (1987-04-01), Achelpohl et al.

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