Machine and method for opening a filled bag, emptying the bag, a

Details Machine and method for opening a filled bag, emptying the bag, a Machine and method for opening a filled bag, emptying the bag, a

1988-03-25

1989-01-17

Spruill, Robert L.

Material or article handling

Device for emptying portable receptacle

With container opening means

53381R, 53492, B65G 6504, B65B 6900

Patent

active

047985089

ABSTRACT:
The invention is a machine and method for opening a filled bag and emptying the contents of the bag. A bag filled with a solid material is guided into a space between a pair of rotating drums, in which there are several rows of rigid spikes fastened to each drum. The spikes extend through the drum walls and through openings in a belt that connects each drum to an idler roller. When the filled bag enters the space between the drums, it becomes impaled on the spikes, and is drawn into a cutter means. The cutter means slits the bag in half to empty the contents, and each empty bag half is carried on one of the rotating drums to a point where the spikes move away from the belt to release the empty bag half.

REFERENCES:
patent: 2660324 (1953-11-01), Trautschold
patent: 3482718 (1969-12-01), Moriarty
patent: 4119227 (1978-10-01), Hafner et al.
patent: 4504183 (1985-03-01), Bennison et al.
patent: 4725184 (1988-02-01), Bennison

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