Air valve for use in an inflatable bladder

Details Air valve for use in an inflatable bladder Air valve for use in an inflatable bladder

1994-03-07

1994-10-25

Rivell, John

Fluid handling

Inflatable article

2511491, 446224, F16K 1520

Patent

active

053580010

ABSTRACT:
An air valve for use in an inflatable bladder guards against accidental puncturing of the bladder by an inflating needle. The air valve comprises a main body member with a core which has a neck at one end and an inflating needle passageway extending through it. A chamber is interposed in the passageway. The air valve also includes an air sealing plug for positioning in the chamber and a protective bonnet positioned on the second end of the main body member. The main body member has an annular sealing flange extending radially from the first end and, in one embodiment, a snap-in retaining flange extending radially from the neck such that a bladder and an outer casing are trapped between the two flanges in a sealing relationship. The protective bonnet has at least one air escape opening to allow pressurized air from the inflating needle to pass into the bladder.

REFERENCES:
patent: 1758625 (1930-05-01), Saul
patent: 1951565 (1934-03-01), Sonnett
patent: 1990374 (1935-02-01), Goldsmith
patent: 1997955 (1935-04-01), Weaver
patent: 2085369 (1937-06-01), Kilborn
patent: 3410299 (1968-11-01), Whittington
patent: 3422837 (1969-01-01), Boyer et al.
patent: 3768501 (1973-10-01), Elson et al.

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