Self-sealing valved bag

Details Self-sealing valved bag Self-sealing valved bag

1982-10-07

1984-02-07

Price, William

Flexible bags

Lifting or suspending element

383 44, F42B 300, B65D 3024, B65D 3314

Patent

active

044307519

ABSTRACT:
A self-sealing valved bag including elongate facing outer walls periphally secured together except for an unsecured end region, an inner wall between the outer walls extending across the unsecured end region, the inner wall being secured to one outer wall partially across the unsecured end region to leave an access passageway between the inner and said one outer wall, the inner wall being secured to the other outer wall entirely across the unsecured end region to close the latter between the inner and said other outer wall, and a pocket exteriorly on an outer wall opening toward an end thereof and terminating in a closure medially of the outer walls.

REFERENCES:
patent: 2119895 (1938-06-01), Sutton
patent: 3523563 (1970-08-01), Mirando
patent: 3783787 (1974-01-01), Thornley et al.
patent: 3806025 (1974-04-01), Marshall
patent: 3957098 (1976-05-01), Hepworth et al.

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