Automatic sealing valve mounted on an inflatable body

Details Automatic sealing valve mounted on an inflatable body Automatic sealing valve mounted on an inflatable body

1992-09-18

1994-10-04

Rivell, John

Fluid handling

Inflatable article

With cap

137848, 446222, 446224, F16K 1520

Patent

active

053517113

ABSTRACT:
An automatic sealing valve having a cylindrical inflation nozzle, which has a cone-shaped wall section in its lower area, which a welding rim adjoins. The welding rim is connected by a peripheral joint with a foil of the inflatable body. A pressure membrane is peripherally welded at the peripheral joint at the lower end of the welding rim and forms an open air passage. The annular area formed in this way is the active pressure area with which the pressure membrane presses against the welding rim. The pressure membrane has a recess below the cone-shaped edge area which is sealingly closed by a cup-shaped receptacle. The inflation nozzle can be pushed into the receptacle with its cone-shaped edge area.

REFERENCES:
patent: 1515645 (1924-11-01), Yablick
patent: 1680757 (1928-08-01), Yablick
patent: 1910961 (1933-05-01), Perry
patent: 2301479 (1942-11-01), Tousley et al.
patent: 2887120 (1959-05-01), DeSee
patent: 2977973 (1961-04-01), Chakine
patent: 3099288 (1963-07-01), Weis
patent: 4586910 (1986-05-01), Buchanan
patent: 4674532 (1987-06-01), Koyanagi
patent: 4917646 (1990-04-01), Kieves
patent: 4924899 (1990-05-01), Po

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