| 摘要 |
A method and apparatus for injecting CO2 gas into a bottled liquid to carbonate or maintain carbonation in the liquid. A valved coupling having a conduit extending there through is screwably attached to a P.E.T. bottle substantially filled with liquid. The valve is depressed .while the bottle is squeezed to remove any excess air in the bottle. Regulated CO2 gas is then fed through a connector that is attached to the coupling to carbonate the liquid. Once carbonated, the connector is removed while the coupling remains in place to maintain carbonation.
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