Method and apparatus for opening a loaded plastic bag and removi

Details Method and apparatus for opening a loaded plastic bag and removi Method and apparatus for opening a loaded plastic bag and removi

1983-02-17

1985-05-07

Spar, Robert J.

Material or article handling

Device for emptying portable receptacle

With container opening means

414786, B65B 6900

Patent

active

045155097

ABSTRACT:
Bags are loaded onto a conveyor for movement along a predetermined path, at spaced intervals of which there are a plurality of bag opening stations, each of which includes a driven chain loop with a plurality of outwardly extending fingers. The fingers engage the bags as they go past and either directly pierce the plastic bags or lift them such that the loaded bag weight causes the fingers to pierce the bag material. Also, at some point in the path of elevation of the loaded bags lifted by the fingers, the bags fall onto the conveyor belt adding a rupturing force which in combination with the piercing of the bag materials effects bag opening and removal of the contents.

REFERENCES:
patent: 624023 (1899-05-01), Heine
patent: 1916531 (1933-07-01), Robb
patent: 3568815 (1971-03-01), Wiseman
patent: 3817405 (1974-06-01), Neely, Jr.
patent: 3891105 (1975-06-01), Cerroni
patent: 3915315 (1975-10-01), Miller
patent: 4034877 (1977-07-01), Bennison
patent: 4273234 (1981-06-01), Bourgeois

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