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US 4,729,405 AGranted
Cock with an incorporated stop-valve
AssigneeFrisquet, Societe Anonyme
InventorMaurice Frisquet
Life of this patent
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AssigneeFrisquet, Societe Anonyme
InventorMaurice Frisquet
Estimating the term…
A cock with incorporated stop-valve comprises a hollow body having aligned admission and discharge ports and a cylindrical bore which opens between the admission and discharge orifices, a cock head provided with a normally stationary member mounted within the cylindrical bore, and a valve provided with a sealing ring, which can be displaced towards and away from a valve seat for regulating the flow of fluid through the cock. A cylindrical sleeve mounted within the bore of the hollow body between this latter and the stationary member of the cock head can be displaced axially towards and away from an annular seat formed in the hollow body opposite to the inner end of the sleeve. When it is applied against the annular seat, the cylindrical sleeve constitutes a stop-valve which is incorporated with the cock and permits replacement of the sealing ring after withdrawal of the cock head.
A cock comprising a hollow body having aligned admission and discharge orifices for a fluid to be controlled and a cylindrical bore which is formed within a first lateral wall of the hollow body and opens into said hollow body between the admission and discharge orifices, and a cock head having a normally stationary member which is mounted within said bore, a valve movably mounted within said stationary member and displaceable towards and away from a valve seat in order to control the rate of flow of fluid, and a cylindrical sleeve placed within the bore of the hollow body between said body and said stationary member of the cock head and axially displaceable towards and away from an annular seat said annular seat being formed within the hollow body opposite to the inner end of the cylindrical sleeve on a second lateral wall of said body opposite to the first lateral wall in which said cylindrical bore is formed.
Dependencies are inferred from the claim text.