![]() 9 a plan, of another modification of my improved valve. 7 is a vertical section of another form of my improved valve. 5 is a partvertical section of a modified form of valve. 4 is a front elevation oi the valve, which fits or screws into the said indent. ![]() 8 is a front elevation of the indent in the bottle-neck, wherein the valve fits. I attain these objects by constructing the valve as illustrated in the accompanying drawings, in which Figure l is a vertical section of bottleneck. My invention relates to improvements in bottles which have a ball or other internal stopper which forms an air-tight joint in the mouth thereof, and which bottles are opened bymeans of a valve fitted in the neck and the objects of my improvements are, first, to construct said valve in such a way as to admit of a freer passagefor the gas from the bottle when the valve is opened, and, second, to also construct the valve so that it forms a perfect and secure airtight joint when closed.
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