Multi-ply automatic-style bag with internal flap or flaps

Details Multi-ply automatic-style bag with internal flap or flaps Multi-ply automatic-style bag with internal flap or flaps

1993-12-28

1995-04-18

Garbe, Stephen P.

Flexible bags

Wall details

Multi-layer or ply

383104, B65D 3018, B65D 3020

Patent

active

054072794

ABSTRACT:
A multi-ply square bottom bag having a front wall, a back wall, a pair of gusseted side walls, each joining a front and a back panel, and a folded and gusseted bottom panel defining a pair of interior spaced gusset edges extending between the front and back panels with the edges being substantially parallel to each other and the bottom panel joining the front, back and side panels. The multi-ply bag has an inner ply and an outer ply. The inner ply defines a first flap adapted to be positioned to engage said bottom panel and overlie at least a first portion of said gusset edges. The first flap is formed from the front wall section of the inner ply and is constructed to rotate about a hinge line to a position adjacent the bottom panel and overlying the gusset edges, The inner ply also define a second flap adapted to engage said bottom panel and overlie a second portion of said gusset edges so that said first flap and said second flap overlie substantially the entire length of the gusset edges between the front and back wall. The second flap is formed from the back wall section of the inner ply and is constructed to rotate about a hinge line to a position in engagement with the bottom panel and overlie gusset edges. An adhesive on the bottom panel exposed between said gusset edges secures the first and said second flaps in position.

REFERENCES:
patent: 1789807 (1931-01-01), Currier
patent: 2246911 (1941-06-01), Baker
patent: 2420212 (1947-05-01), Volksdorf
patent: 2569964 (1951-10-01), Waters
patent: 2729150 (1956-01-01), Gelbcke
patent: 2892580 (1959-06-01), Williams
patent: 3231173 (1966-01-01), Ciuitello
patent: 3409210 (1968-11-01), Barris et al.

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