초록 ▼

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

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.

대표청구항 ▼

1. 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 line

1. 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; andan O-ring seal interposed between the fall prevention wall and an opposing part of the valve. 2. The sealing structure for a high-pressure container according to claim 1, wherein the mouthpiece comprises a coupler which, being coupled with the resin liner by means of the coupling structures, cover an outside face of the filler neck, and a disk-shaped contact flange which forms a base of the coupler and contacts the outside face of the resin liner; andan outside face of the contact flange forms a surface continuous with the outside face of the resin liner. 3. The sealing structure for a high-pressure container according to claim 1, wherein the resin liner is blow-molded. 4. The sealing structure for a high-pressure container according to claim 1, wherein the fiber-reinforced plastic layer is formed by a filament winding process.