Apparatus and method for individual bag working and stacking

Details Apparatus and method for individual bag working and stacking Apparatus and method for individual bag working and stacking

1979-06-11

1981-06-30

Paperner, Leslie J.

Material or article handling

With weighing

198689, 271180, 271197, 414 69, 414 73, 414786, B65G 5704, B65H 2932

Patent

active

042759773

ABSTRACT:
The apparatus comprises a vacuum conveyor which periodically receives a polymer film bag from a bag-making machine and intermittently advances the bag to a work station. If work is to be performed at that work station, the vacuum is cut off and the bag is operated upon. At the work station, the bag may be printed, cut, stacked, wicketed, provided with handles, provided with a sealed-in drawstring, or delivered to a second conveyor. The apparatus may include one or more work stations, and the method comprises advancing the bag to the selected work station, turning off the vacuum at that work station to aid in the bag delivery, and working on the bag.

REFERENCES:
patent: 2813637 (1957-11-01), Perry et al.
patent: 3064827 (1962-11-01), Bostock et al.
patent: 3328027 (1967-06-01), Schmidtke
patent: 3395915 (1968-08-01), Clausen et al.
patent: 3659840 (1972-05-01), Ruck
patent: 3698708 (1972-10-01), Brawn
patent: 3820779 (1974-06-01), Bishop
patent: 3988019 (1976-10-01), Achelpohl

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