Fluid handling – Inflatable article
Patent
1991-06-12
1992-01-28
Rosenthal, Arnold
Fluid handling
Inflatable article
137232, 137855, 446224, F16K 1518, F16K 1520
Patent
active
050835815
ABSTRACT:
A nozzle for inflatable objects, made of a plastic material, including a nozzle seat adapted to engage with the inflatable object, a first annular wall extending from the nozzle seat, a relatively thin ring portion formed at top end of the first annular wall, a second annular wall extending from the ring portion to define an air inlet, a plug for blocking air inlet, a plug arm extending from second annular wall and connecting the plug with second annular wall, a plug extension formed with a projection and extended from the plug at a position remote from plug arm, a tab formed with a hole and located at a side of air inlet opposite plug arm, and a one-way membrane extending from first annular wall, which during inflation allows air to blow through air inlet into the inflatable object, whereby after inflation, the plug is fitted into air inlet and the nozzle is retracted into the inflatable object with first bent portion bent downward, while when deflating, the plug is drawn out of air inlet and the nozzle is further retracted into the inflatable object with second bent portion bent downward to open the one-way membrane.
REFERENCES:
patent: 2839073 (1958-06-01), Marsh
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