Method and apparatus for opening and loading flexible containers

Details Method and apparatus for opening and loading flexible containers Method and apparatus for opening and loading flexible containers

1981-12-31

1985-05-14

Culver, Horace M.

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

53570, 53571, B65B 4330, B65B 4328, B65B 4334

Patent

active

045163847

ABSTRACT:
A plastic bag is opened by positive contact with a run of adhesive tape over two guide rolls which are then lifted to raise the upper panel of the bag at locations above spreader bars which can enter the bag in a relatively closed configuration and then spread apart to hold the bag thereon. The spreader bars are then caused to lift the bag from the bag-opening location and to transport it to a bag-loading location leaving the next successive bag at the opening station for contacting with the adhesive tape which has by now been indexed.

REFERENCES:
patent: 2702150 (1955-02-01), Vogt
patent: 3083961 (1963-04-01), Arbter
patent: 3448557 (1969-06-01), Swaithes
patent: 3509689 (1970-05-01), Perrin
patent: 4078358 (1978-03-01), Henderson
patent: 4137958 (1979-02-01), Golby et al.
patent: 4182094 (1980-01-01), Lieder et al.
patent: 4271656 (1981-06-01), Russell

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