Fluent material handling – with receiver or receiver coacting mea – Filling means with receiver or receiver coacting means – Flexible or collapsible receiver
Patent
1997-12-29
1999-07-20
Douglas, Steven O.
Fluent material handling, with receiver or receiver coacting mea
Filling means with receiver or receiver coacting means
Flexible or collapsible receiver
141 38, 141 19, B65B 104
Patent
active
059244631
ABSTRACT:
A portable emergency instant inflation device includes a box and a fastening plate with slots. The upper side of the box is provided with fastening hooks for engaging slots of the fastening plate. An inflation tube is formed at one end of the box. A tie string extends from the other end of the box to connect to a pull ring. A partition plate with through holes is disposed inside the box to divide the interior of the box into upper and lower spaces. The upper space contains a sac filled with citric acid solution while the lower space is filled with soda powder. The lower space further communicates with the inflation tube, which is internally provided with a valve flap. A slide cutter is further disposed in the upper space and has cutting edges slightly abutting the sac. The slide cutter is connected to the tie string via a cutter mount. When the pull ring is pulled, the slide cutter is actuated to slidably cut open the sac so that the citric acid solution flows out into the lower space to mix with the soda powder to produce a large amount of carbon dioxide gas, forcing the valve flap to open, thus allowing the high pressure gas to escape through the inflation tube into an object to be inflated.
REFERENCES:
patent: 4489855 (1984-12-01), Boetger
Fan Allen Tso-Chiang
Hsu Chung Yeh
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