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Christian Hamilton Gray
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Publication of GB190611451ApublicationCriticalpatent/GB190611451A/en
11,451. Gray, C. H. May 16. Stopper washers.-The washers C used for vacuum closures &c. are made so as to present a thin edge to the lid &c. B and also to the bottle neck A, in order that an air-tight joint may be made without great pressure. The washers may be cut from a tube of rubber &c. in a variety of ways, as shown in Fig. 2.
GB190611451D1906-05-161906-05-16Improvements in or relating to Closing Devices for Air-tight Bottles, Jars and other Receptacles.
ExpiredGB190611451A
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