Gusseted pinch bottom laminated plastic valve bag

Details Gusseted pinch bottom laminated plastic valve bag Gusseted pinch bottom laminated plastic valve bag

1972-10-04

1976-11-09

Garbe, Stephen P.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 625, B65D 3302, B65D 3114

Patent

active

039906264

ABSTRACT:
A bag of tubular form comprising at least two plies of molecularly oriented plastic film, laminated together with their directions of orientation angularly disposed to each other and to the longitudinal direction thereof, said bag having at each end thereof one surface overlapping an oppositely disposed surface, a pair of oppositely disposed gussets interposed between said surfaces, said gussets extending at said bag ends into the overlap areas between said oppositely disposed surfaces, at least one bag end including all of said overlapping portions being folded over and adhered to the oppositely disposed surface, the bag in the preferred embodiment being closed at both ends and being provided with a valve sleeve for filling.

REFERENCES:
patent: 426607 (1890-04-01), Single
patent: 3162347 (1964-12-01), Taylor
patent: 3400041 (1968-09-01), Rasmussen
patent: 3549298 (1970-12-01), Brockmuller
patent: 3650460 (1972-03-01), Lokey

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