초록 ▼

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 s

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.

대표청구항 ▼

1. A valve for a container neck comprising a one piece integrally molded valve member having two valve heads, each of said valve heads being of a substantially conical configuration defined by a substantially conical body portion and substantially axially opposite respective relatively diametrically

1. A valve for a container neck comprising a one piece integrally molded valve member having two valve heads, each of said valve heads being of a substantially conical configuration defined by a substantially conical body portion and substantially axially opposite respective relatively diametrically large and small end portions, said small end portions being disposed more closely adjacent each other than said large end portions, and each conical body large end portion having a terminal end defining a substantially circular sealing face adapted to seal against an associated valve seat.