Bag-making apparatus and process for making ported bags

Details Bag-making apparatus and process for making ported bags Bag-making apparatus and process for making ported bags

1975-07-25

1977-06-07

Coan, James F.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By laterally or vertically moving successive items in...

93 8VB, 198692, B31B 184, B31B 2374

Patent

active

040275779

ABSTRACT:
A process and apparatus adapted to automate the conversion of a continuous sheet of flexible plastic film into ported bags. The apparatus includes means for maintaining the film sheet in proper alignment during the various processing steps and functions in a manner which reduces environmental particulate contamination of the bags to a minimum.

REFERENCES:
patent: 3192096 (1965-06-01), Rhine
patent: 3200936 (1965-08-01), Briggs
patent: 3228357 (1966-01-01), Bruschke et al.
patent: 3244576 (1966-04-01), Swartz
patent: 3283671 (1966-11-01), Campbell, Jr.
patent: 3352737 (1967-11-01), Jordan
patent: 3599388 (1971-08-01), Feingold
patent: 3791267 (1974-02-01), Brooks
patent: 3922835 (1975-12-01), Reil

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