Composite pressurised container with a plastic liner for...

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

Patent

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Details

F17C 1/16 (2006.01) F17C 13/00 (2006.01)

Patent

CA 2309948

The inventive composite pressurised container for storing gaseous media under pressure has a plastic liner and two neck-pieces located in the neck area. A fibre-composite winding which reinforces the liner is also provided. According to the invention, a screw-in clamping ring (10) is provided in the neck piece (4) which accommodates the valve. Said clamping ring has a threaded section (37) on the outer cover, a thread-free truncated (21) section following on from this threaded section. The annular groove (26) which is located between the inner threaded sections (18) of the neck piece (4) and which receives a sealing ring (23) extends radially into the neck piece (4). The device is provided with at least one bead (25) on the outside of the particular neck piece (4) in the area adjoining the collar (6). This bead extends outwards radially, over the entire periphery.

L'invention concerne un réservoir à pression composite, prévu pour stocker des milieux gazeux sous pression, qui est muni d'un revêtement en plastique et comprend deux pièces de goulot disposées dans la zone du goulot, ainsi qu'un enroulement de matériau composite fibreux renforçant le revêtement. Selon l'invention, il est prévu dans la pièce du goulot (4) qui loge la soupape, une bague de serrage (10) vissable dans ladite pièce. Sur sa section extérieure, la bague de serrage présente une section filetée (37) à laquelle se raccorde une section (21) tronconique non filetée. La rainure (26) annulaire prévue entre les sections taraudées (18) de la pièce du goulot (4) et destinée à recevoir une bague d'étanchéité (23) s'étend dans la pièce du goulot (4), dans le sens radial. Sur la face extérieure de la pièce du goulot (4) il est prévu de disposer dans la zone jouxtant le col (6), au moins une moulure (25) s'étendant dans le sens radial vers l'extérieur sur toute la périphérie.

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