Bag spreaders

Details Bag spreaders Bag spreaders

1986-01-16

1987-10-06

Spruill, Robert L.

Package making

Progressively seamed cover web or web folds

With closing of web between package units

B65B 908

Patent

active

046974032

ABSTRACT:
An apparatus for flattening the horizontal seal area of a form-fill-seal pouch or bag comprising a pair of spreaders adapted to be located in the interior of the film pouch to stretch the film in the horizontal seal area to eliminate wrinkles in the film to insure an air-tight seal.

REFERENCES:
patent: 3045404 (1962-07-01), Wilson
patent: 3681892 (1972-08-01), Safranski
patent: 3886714 (1975-06-01), de la Poype
patent: 4107900 (1978-08-01), Izumi
patent: 4589247 (1986-05-01), Tsuruta

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