Patent ID: 8096441

Claim:
A sealing structure for a high-pressure container, comprising: a resin liner adapted to contain gas or liquid; a fiber-reinforced plastic layer adapted to reinforce an outside face of the resin liner; a metal mouthpiece used to pour and discharge the gas or the liquid into and out of the resin liner, protruding outside the fiber-reinforced plastic layer; a filler neck for the gas or the liquid formed on the resin liner, protruding outward from the resin liner and into the metal mouthpiece; coupling structures formed on a protrusion of the filler neck and the mouthpiece for securing the mouthpiece on the filler neck; a valve inserted and secured in the mouthpiece; a fall prevention wall extending from the resin liner below said filler neck; and an O-ring seal interposed between the fall prevention wall and an opposing part of the valve.