Improvements in and relating to Bottle Tops.

摘要

13,536. Waterworth, C. E. June 6. Bottles, non-refillable.-An enlarged top 5 provided with an air passage 9, and an outlet 8 bent at right-angles, is secured by screwing &c. to a bottle neck and is protected by a label &c. 11. A sloping flap valve 4 hinged at its lowest part 3 is added. The air passage 8 is continued by a passage 10 into the bottle.