Bulk bag with restrainer

Details Bulk bag with restrainer Bulk bag with restrainer

1994-06-01

1995-06-06

Lavinder, Jack W.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493916, 112 10, 1121212, 1122621, B31B 190

Patent

active

054218047

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. Method and apparatus for making the bag with the double knotted loops of cord are also disclosed.

REFERENCES:
patent: 3112044 (1963-11-01), Larsen et al.
patent: 3327924 (1967-06-01), Brutting
patent: 3472414 (1969-10-01), Rodrigues
patent: 4109442 (1978-08-01), Maasbach
patent: 4193510 (1980-03-01), Weston
patent: 4426015 (1984-01-01), Preston et al.
patent: 4596040 (1986-06-01), LeFleur 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
Great Britain 0325625-Feb. 1930.
Great Britain 0561819-Jun. 1944.
WO 92/14660-Sep. 1992.

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