EINRICHTUNGEN AN BEHÄLTERN ZUM VERHINDERN DES WIEDERFÜLLENS

摘要

An in-bore non-refilling device for a bottle of fine spirits has a valve member 16 in the form of a regular dumbbell, with conical ends 62 arranged back-to-back and joined by a central shaft 63 at their apices. The housing 12 of the device has its bottom end closed by an annular bucket 14 which is snap-engaged into position, and each of the conical ends of the valve member has a toroidal free edge which is capable of making sealing engagement with a complementary surface 22 formed around the bucket aperture.