Gas tank having an outer shell made of pressure-resistant...

F - Mech Eng,Light,Heat,Weapons – 17 – C

Patent

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F17C 1/06 (2006.01) B29C 70/16 (2006.01) B32B 1/02 (2006.01)

Patent

CA 2625342

According to the present invention, a gas tank having a gas-barrier inner shell and an outer shell that is formed so as to cover the inner shell and is made of a pressure-resistant FRP, such outer shell comprising reinforcing fiber bundles (A), a thermosetting resin (B), and an elastomer particles and/or thermoplastic resin particles (C), provided that elastomer particles and/or thermoplastic resin particles (C) that have been dispersed in a thermosetting resin (B) exist in reinforcing fiber bundles (A), is provided. Such gas tank is excellent in strength and heat resistance and has suppressed gas permeability.

La présente invention se rapporte à une bouteille de gaz ayant une structure interne faisant barrage au gaz et une structure externe formée de façon à recouvrir la structure interne et fabriquée à partir d~un plastique renforcé de fibre de verre résistant à la pression. La bouteille de gaz est caractérisée en ce que la structure externe est composée de (A) un ensemble de fibres de renfort, (B) une résine thermodurcissable et (C) des particules d~élastomère et/ou des particules de résine thermoplastique, et en ce que les particules d~élastomère et/ou les particules de résine thermoplastique (C) dispersées dans la résine thermodurcissable (B) sont présentes à l~intérieur du groupe de fibres de renfort (A). Cette bouteille de gaz présente d~excellentes caractéristiques de force et de résistance à la chaleur, tout en ayant une perméabilité au gaz supprimée.

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