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Expired
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Evan Hugh Campbell
Robert John Coyle
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Individual
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Individual
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Publication of GB190711141ApublicationCriticalpatent/GB190711141A/en
11,141. Campbell, E. H., and Coyle, R. J. May 13. Bottles &c., non-refillable. -The neck 5 is formed with an internal shoulder 6, u p o n which rests a cylindrical float valve 7, provided with guide-pins 8, loosely fitting the neck. A heavy ball 9 rests upon the valve 7 and a cap 15, held in place by a locking- ring 11, is placed in the neck to prevent tampering. The cap 15 is formed with ports s 16 for the escape of the liquid, and with u p w a r d l y-curved depending fins 14 to limit the movement of the ball 9.
GB190711141D1907-05-131907-05-13Improvements in Non-refillable Bottles.
ExpiredGB190711141A
(en)