Buoys – rafts – and aquatic devices – Rafts – Inflatable
Patent
1982-11-16
1984-10-23
Basinger, Sherman D.
Buoys, rafts, and aquatic devices
Rafts
Inflatable
137224, B63C 904
Patent
active
044785879
ABSTRACT:
A valve for use with an inflatable article having side walls made of flexible impervious fabric, the valve being attached and sealed to the article at an opening through the side wall thereof. The valve has a hollow valve body having a fixed seat therein, a valve element within the valve body and selectively movable into and out of sealing engagement with the valve seat, and a resilient spring constantly urging the valve element toward and into sealing engagement with the valve seat. The valve is attached and sealed by a nut screwed onto the valve body, the nut having a first, axially outwardly expanding frusto-conical flange on its axially outer end, the first flange underlying the portion of the fabric which surrounds the opening through the side wall of the article, and a second frusto-conical flange attached to the valve body. The second flange is coaxial with and substantially parallel to the first flange; the second flange overlies at least a part of the portion of the fabric which surrounds the opening through the side wall of the article and which overlies the first flange, the two flanges forcibly and sealingly engaging opposite sides of the portion of the fabric which is disposed between them.
REFERENCES:
patent: 1534862 (1925-04-01), Myers
patent: 2219190 (1940-10-01), McCoy
patent: 2971526 (1961-02-01), Boyer et al.
patent: 4015622 (1977-04-01), Pagani
Basinger Sherman D.
Sotelo Jesus D.
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