Patent ID: 6962268

Claim:
An apparatus for storing and mixing two pressurized gases comprising: a) an outer container containing the first of said gases, said outer container having an opening; b) an inner container located inside said outer container, containing the second of said gases, said inner container having an opening; c) a two-way cock, said cock further comprising: 1) a body fixed in a sealed manner in said outer container opening; 2) a first passage further comprising: i) an internal end connected to said inner container opening; ii) an external end; iii) a controllable closure means located between said ends; and iv) a filling channel located between said ends; and 3) a second passage further comprising; i) an internal end opening into said outer container; ii) an external end; iii) a controllable closure means; and iv) a filling channel; d) two output channels, each connected to an external end of said passages, said channels further comprising internal and external ends and said channels further comprising, in succession; 1) a first and a second pressure-regulating means; and 2) at least one controllable flow-rate selection barrel connected to one of said pressure-regulating means, said barrel allowing orifices of various sizes to be selected for the output channel fitted with said barrel; and e) a mixing chamber into which said external ends of said output channel run.