Method for producing double streams of side-welded bags in heat-

Details Method for producing double streams of side-welded bags in heat- Method for producing double streams of side-welded bags in heat-

1978-04-28

1980-01-01

Weidenfeld, Gil

93 33H, B31B 164, B31B 2314

Patent

active

041810694

ABSTRACT:
The invention relates to the production of bags from a web of plastic film, such as polyethylene and the like, which is unreeled from a parent roll and caused to pass over a forming device to provide what is known as a "J" fold. More particularly, it provides a method and apparatus for producing double streams of side-welded bags in heat-welded pad form, wherein two "J" folds are provided on opposite sides of the film as it is unreeled from the parent roll to form two oppositely-disposed bags, severable from each other, and suitably mountable in stacked form as welded pads, or for mounting on wickets, pins, or the like. It also provides a novel stack of bags in pad form adapted to be mounted on clip boards or the equivalent, or on wickets, pins, or the like, and each individually severable from the pad to receive and package various types of merchandise.

REFERENCES:
patent: 3433136 (1969-03-01), Hartbauer et al.
patent: 3791267 (1974-02-01), Brooks
patent: 3893382 (1975-07-01), Bosse et al.
patent: 4083747 (1978-04-01), Rochla

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