Sealing structure for high-pressure container
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United States of America Patent
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Jan 17, 2012
Grant Date -
Mar 19, 2009
app pub date -
Sep 3, 2008
filing date -
Sep 4, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a multilayer pressure container constructed by covering a thin wall container made of synthetic resin or the like with a resin-impregnated fiber-reinforced layer and subsequently curing the impregnating resin, the present invention provides a sealing structure for a high-pressure container which allows sealing measures to be phased in during assembly before curing. The sealing structure for a high-pressure container 1 includes a resin liner 2 adapted to contain gas or liquid; a fiber-reinforced plastic layer 3 adapted to reinforce an outside face of the resin liner 2; and a metal mouthpiece 4 used to pour and discharge the gas or liquid, protruding outside the fiber-reinforced plastic layer 3, wherein a filler neck 21 for the gas or liquid is formed on the resin liner 2, protruding outward from inside the high-pressure container, coupling structures 23 and 43 are formed on a protrusion of the filler neck 21 and the mouthpiece 4, and the mouthpiece 4 is coupled with the resin liner 2 by means of the coupling structures 23 and 43 so as to cover the filler neck 21.
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