Bulk bag with restrainer

Details Bulk bag with restrainer Bulk bag with restrainer

1992-10-30

1994-07-12

Shoap, Allan N.

Flexible bags

Wall details

Reinforced

220652, B65D 3302

Patent

active

053282680

ABSTRACT:
A collapsible bulk bag which when filled with material has a generally cubical configuration with a pair of end walls and rectangular sidewalls extending between them with all of the walls being of a flexible material. Bowing and bulging of the sidewalls from a planar configuration is retarded and restrained by loops of cord operably connected with the sidewalls. Preferably the loops of cord having portions inside the bag extending obliquely between adjacent sidewalls when the bag is filled. Methods of making the bag with the loops of cord are also disclosed.

REFERENCES:
patent: 3112044 (1963-11-01), Larsen et al.
patent: 3472414 (1969-10-01), Rodrigues
patent: 4193510 (1980-03-01), Weston
patent: 4426015 (1984-01-01), Preston et al.
patent: 4596040 (1986-06-01), LaFleur et al.
patent: 4781475 (1988-11-01), LaFleur
patent: 4790029 (1988-12-01), LaFleur et al.
patent: 4798572 (1989-01-01), LaFleur et al.
patent: 4966310 (1990-10-01), Hawkins
patent: 5073035 (1991-12-01), Williams
patent: 5104236 (1992-04-01), LaFleur

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