Gusseted bulk bag liner and method of manufacture

Details Gusseted bulk bag liner and method of manufacture Gusseted bulk bag liner and method of manufacture

1997-04-04

1998-06-02

Hail, III, Joseph J.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493 29, 493217, 493922, B31B 3360

Patent

active

057591440

ABSTRACT:
An apparatus for manufacturing gusseted bulk bag liners having a continuous web of gusseted bulk bag liner material, wherein the continuous web is advanced along a predetermined path, includes four simultaneous cutting and resealing apparatus that engage longitudinally extending fold lines of the continuous web during the movement of the web. The simultaneous cutting and sealing apparatuses are moved transversely to the direction of movement of the web of gusseted bulk bag liner material in accordance with a predetermined program, thereby forming a gusseted bulk bag liner comprising a sidewall, a top wall, a bottom, an inlet chute and discharge chute.

REFERENCES:
patent: 3812644 (1974-05-01), Kamikawa
patent: 3857329 (1974-12-01), Lehmacher
patent: 4070951 (1978-01-01), Bala
patent: 4116116 (1978-09-01), Barnett
patent: 4368051 (1983-01-01), Lehmacher
patent: 4636190 (1987-01-01), Herder
patent: 4760764 (1988-08-01), De Jonckheere
patent: 4854928 (1989-08-01), Fukuyama
patent: 4931034 (1990-06-01), Wagner
patent: 5041070 (1991-08-01), Blaser
patent: 5104236 (1992-04-01), LaFleur

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