초록 ▼

A first and second conduit are connected together by a screw thread attachment. A gasket hermetically seals the first and second conduit together. The first conduit has a seal member which is shaped to engage a sealing surface of the first conduit. Spring washers force the seal member against the se

A first and second conduit are connected together by a screw thread attachment. A gasket hermetically seals the first and second conduit together. The first conduit has a seal member which is shaped to engage a sealing surface of the first conduit. Spring washers force the seal member against the sealing surface. The seal member has an extension which engages the gasket such that when the conduits are screwed togther, the seal member is lifted off of the sealing surface.

대표청구항 ▼

A shut-off valve, comprising: a first connection interface having a first conduit; a second connection interface having a second conduit, the second connection interface for connecting and forming a seal with the first connection interface; and a valve seal means for shutting off a flow of fluid thr

A shut-off valve, comprising: a first connection interface having a first conduit; a second connection interface having a second conduit, the second connection interface for connecting and forming a seal with the first connection interface; and a valve seal means for shutting off a flow of fluid through said first conduit when the first and second connection interfaces are not connected together, the valve seal means comprises (1) a sealing member located within said first conduit and sized to form a seal with a sealing surface, and (2) a biasing means connected to said first conduit and said seal member for forcing said seal member against said seal surface when the first and second connection interfaces are not connected, said biasing means comprises at least one spring washer.