Method for conditioning a liquid in a receptacle fitted with...

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

Patent

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F17C 13/04 (2006.01) F16K 1/30 (2006.01)

Patent

CA 2367486

The invention relates to a method for conditioning a receptacle which can contain a pressurized liquid, e.g. a gas cylinder, whereby said receptacle is fitted with a positive pressure valve into which a gas with a water or water vapour content of less than 40ppmv is introduced after the internal volume, i.e. the inside, of the receptacle has been dried in order to remove any water vapour therein. A receptacle conditioned in such a way can be used in a welding operation, especially TIG, MIG or MAG welding, or in a plasma-arc cutting operation.

L'invention concerne un procédé de conditionnement d'un récipient susceptible de contenir un fluide sous pression, telle qu'une bouteille de gaz, lequel est équipé d'un robinet du type à pression positive, dans lequel on introduit, dans ledit récipient, un gaz ayant une teneur en eau ou en vapeur d'eau inférieure à 40 ppmv, après avoir soumis le récipient à une opération de séchage préalable de son volume interne, c'est-à-dire de l'intérieur du récipient pour en chasser la vapeur d'eau pouvant s'y trouver. Un récipient conditionné de cette manière peut être utilisé dans une opération de soudage, en particulier de soudage TIG, MIG ou MAG, ou une opération de coupage plasma.

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