Fluid handling – Inflatable article – Removable valve head and seat unit
Patent
1998-12-29
2000-07-18
Rivell, John
Fluid handling
Inflatable article
Removable valve head and seat unit
1374546, 137232, 441 41, F16K 1520
Patent
active
06089251&
ABSTRACT:
Pneumatic valve (1) for an inflatable object such as an inflatable boat, arranged so as to be partially embedded in an aperture (22) in the flexible wall (21) of the inflatable object carrying it and comprising a valve body (2) containing a valve mechanism (1) and two collars (18, 20) like truncated cones surrounding the valve body (2) and gripping between them in a leak-proof manner the portion of the flexible wall (21) peripherally bordering the aperture (22); the two collars (18, 20) belong to two respective rings (17, 19) removably attached to the valve body (2), and sealing means (16) are provided between the lower ring (17) and the valve body (2); thanks to which the valve body (2) can present a transverse dimension approximately identical to that of said aperture (22) of the flexible wall (21) and fitting the valve (2) to or removing it from the flexible wall (21) can be carried out entirely from the exterior of the flexible wall (21).
REFERENCES:
patent: 1624914 (1927-04-01), Beechtel
patent: 3780768 (1973-12-01), Soderstrom
patent: 3905387 (1975-09-01), Grant
patent: 4004614 (1977-01-01), Mackal et al.
patent: 4015622 (1977-04-01), Pagani
patent: 4046163 (1977-09-01), Novak
patent: 4478587 (1984-10-01), Mackal
patent: 4669498 (1987-06-01), Hansen
patent: 4766628 (1988-08-01), Walker
patent: 5306187 (1994-04-01), Mackal
patent: 5915407 (1999-06-01), West
Rivell John
Russell Dean W.
Schoenfeld Meredith H.
Zodiac International
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