Amusement devices: toys – Inflatable – Having check valve
Patent
1988-11-01
1991-01-08
Yu, Mickey
Amusement devices: toys
Inflatable
Having check valve
383 58, 13751215, 137846, A63H 2710, F16K 1516
Patent
active
049831380
ABSTRACT:
A one layer self-sealing, self-regulating, two-way flat valve for fluid containers, such as toy balloons and the like formed of two heat sealed film layers, is provided. The container having two container film layers joined at the perimeters thereof, an exterior opening in one of the layers, and a valve film layer attached to an inner surface of the same container layer. The valve film layer forms an integral fluid channel through which fluid is guided into the container from the exterior opening such that as the container attains maximum fluid capacity, the fluid channel automatically collapses. Perpendicular creases which form along the container surfaces cross the fluid channel to effectively seal the container.
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