Packaging machine & method

Details Packaging machine & method Packaging machine & method

1990-11-13

1992-08-04

Coan, James F.

Package making

Methods

Filling preformed receptacle and closing

533734, 533739, 493191, B65B 5120

Patent

active

051348330

ABSTRACT:
A machine and method for loading bags of a preformed web of side interconencted bags. The top of a bag web is slit open and then fed between a pair of belt conveyors. The tops of the bags projecting over the conveyors belts are folded down over them and then gripped by a second pair of conveyor belts. At a load station the belts are spread to open bags sequentially and one at a time for loading. After loading a bag is separated from the web and fed through a sealing section comprising two pairs of hot air cartridges which are movable such that they do not emit hot air into the path of bag travel when it is undesirable to do so and a pair of crimp rollers.

REFERENCES:
patent: 2272251 (1942-02-01), Robinson
patent: 3286433 (1966-11-01), Johnson et al.
patent: 3488244 (1970-01-01), Lepisto
patent: 3618286 (1971-11-01), Membrino
patent: 3720565 (1973-03-01), Cavanna
patent: 3785255 (1974-01-01), Talbot et al.
patent: 4201031 (1980-05-01), Wiles
patent: 4848064 (1989-07-01), Lems et al.

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