An Improved Non-refillable Device for Bottles.

摘要

30,281. Fortunesco, N. J., and Launay, E. B. de. Dec. 30. Bottles, non-refillable.-Bottles with ordinary necks are slightly ground internally and provided with a plug containing a top-shaped valve. The plug consists of a valve seat B and a baffle A provided with sloping inlets a so that liquid forced in under pressure would be directed on to the valve to seat it. The valve is shaped as shown with a guide piece c1 and curved parts c11 to catch the force of incoming liquid. In a modification the part a1 is extended to form a baffle to the ports a.