Flexible side gusset square bottom bags

Details Flexible side gusset square bottom bags Flexible side gusset square bottom bags

1991-03-04

1992-11-24

Garbe, Stephen P.

Flexible bags

Lifting or suspending element

Unitary with bag

383104, 383120, 383121, B65D 3020, B65D 3018, B65D 3310

Patent

active

051657996

ABSTRACT:
Flexible square bottom bags which include side gusset panels having central inwardly oriented fin seams and which are sealed adjacent their lowermost corners to portions of the front and rear panels of the bags and wherein the entire width of the lowermost edges of the front and rear panels are sealed to thereby form bags having bottoms reinforced by triangular gusset seals at each corner and which have an outwardly oriented transverse bottom fin seam when erected.

REFERENCES:
patent: 146271 (1874-01-01), Packer
patent: 775268 (1904-11-01), Flowers
patent: 2396565 (1946-03-01), Gardner
patent: 2631630 (1953-03-01), Brady et al.
patent: 2633286 (1953-03-01), Claridge et al.
patent: 3352411 (1967-11-01), Schwarzkopf
patent: 3358903 (1967-12-01), De Stefano et al.
patent: 3669347 (1972-06-01), Platz et al.
patent: 3739977 (1973-06-01), Shapiro et al.
patent: 3966524 (1976-06-01), Lehmacher
patent: 4761080 (1988-08-01), Schirmer
patent: 5006186 (1991-04-01), Yokoyama

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