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Franz Wolter
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Individual
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Individual
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Publication of GB190405654ApublicationCriticalpatent/GB190405654A/en
5654. Wolter, F. March 8. Stoppers.-Relates to bottle stoppers for avoiding the dangers which accompany the pasteurizing of liquids containing carbonic acid gas. The bottles are closed by a stopper m provided with a central aperture h leading to a number of side channels, which are normally closed by an india-rubber ring l The ring also serves as a washer for the stopper m. The stopper is connected at n to a carbonic-acid gas apparatus, and, when the gas has been admitted to the bottle, it is prevented from returning by the ring l, which acts as a non-return valve,
GB190405654D1904-03-081904-03-08Bottle Stopper for Avoiding the Dangers which Accompany the Pasteurizing of Liquids containing Carbonic Acid.
ExpiredGB190405654A
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