Valve for a dunnage bag

Details Valve for a dunnage bag Valve for a dunnage bag

2006-05-30

2006-05-30

Keasel, Eric (Department: 3753)

Fluid handling

Inflatable article

With cap

Reexamination Certificate

active

07051753

ABSTRACT:
A valve for an airtight flexible container such as a dunnage bag including a bowl with openings and extending through an opening in the container A flange around the rim of the bowl is heat welded to the container around the opening. One end of a housing is screwed into the rim of the bowl. A cap is removably press fit onto an opposite end of the housing. A spider extending across the housing supports a plug which is spring mounted on the spider and biased to close the lower end of the housing by compressed air in the container. Compressed gas inside the container is released by removing the cap and pressing on the plug to dislodge the plug from its seat on the one end of the housing or by unscrewing and entirely separating the housing from the bowl.

REFERENCES:
patent: 2390199 (1945-12-01), Walsh
patent: 2627839 (1953-02-01), Hudgins et al.
patent: 3808981 (1974-05-01), Shaw
patent: 3995653 (1976-12-01), Mackal et al.
patent: 4146070 (1979-03-01), Angarola et al.
patent: 4478587 (1984-10-01), Mackal
patent: 4579141 (1986-04-01), Arff
patent: 4633910 (1987-01-01), Sugimura
patent: 4766628 (1988-08-01), Walker
patent: 4927397 (1990-05-01), Yeager
patent: 6089251 (2000-07-01), Pestel
patent: 6929021 (2005-08-01), Cavenagh
patent: 2627839 (1989-09-01), None

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