One way valve for fluid evacuation from a container

Valves and valve actuation – Lost motion between actuator and valve – Check valve with external opening and closing means

Reexamination Certificate

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Details

C383S066000, C383S100000

Reexamination Certificate

active

11020380

ABSTRACT:
The present invention provides a one way valve having a valve body, a wall, a fluid inlet, and a fluid outlet. The valve has a plunger which is moveable with respect to the valve body from a first position to a second position. The valve also has a diaphragm positioned in the valve body for movement between a third position and a fourth position when the plunger is in the first position. When the diaphragm is in the third position the fluid outlet is closed and when the diaphragm is in the fourth position the fluid outlet is open.

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