Improvements in Non-refillable Bottles.

摘要

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.