Valves and valve actuation – Valve actuator is valve casing or extension thereof – Jointed or flexible wall
Reexamination Certificate
2005-12-20
2005-12-20
Jacyna, J. Casimer (Department: 3751)
Valves and valve actuation
Valve actuator is valve casing or extension thereof
Jointed or flexible wall
C215S228000, C215S260000, C215S262000, C215S270000, C215S311000, C220S231000, C141S065000
Reexamination Certificate
active
06976669
ABSTRACT:
Shut-off valve, composed of a container (3) provided with valve seat (4), and also a valve body (2, 22, 42) that can be moved through the opening bounded by the valve seat (4), in order to provide a seal. The valve body (2, 22, 42) is provided with a conical or spherical shut-off edge and is connected to the container (3) by way of a flexible connecting part (5). This makes it possible to move the valve body (2, 22, 42) laterally, in other words perpendicular to the direction of closing, and in this way achieve an opening of the shut-off valve. The container (3) can comprise any construction known in the prior art.
REFERENCES:
patent: 1907358 (1933-05-01), Kuehne
patent: 2128128 (1938-08-01), Evans
patent: 3578221 (1971-05-01), Lukesch et al.
patent: 3976216 (1976-08-01), Lambert
patent: 3977575 (1976-08-01), Macquire-Cooper
patent: 4003489 (1977-01-01), Bingaman
patent: 4410110 (1983-10-01), Del Bon et al.
patent: 4845819 (1989-07-01), Kyomen et al.
patent: 5465857 (1995-11-01), Yang
Van Zijll Langhout Jaco Matthijs
Zweekhorst Arnoldus Willem
Jacyna J. Casimer
Vacu Vin Innovations Ltd.
Young & Thompson
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