Fluid handling – Line condition change responsive valves – Direct response valves
Reexamination Certificate
2005-10-11
2005-10-11
Krishnamurthy, Ramesh (Department: 3753)
Fluid handling
Line condition change responsive valves
Direct response valves
C277S438000, C277S576000
Reexamination Certificate
active
06953054
ABSTRACT:
A relief valve is provided with an elastic body seal sealed into an annular gap between a ball receiver and a valve hole, and is slidably in contact with an inner periphery of the valve hole such that the elastic body seal is not compressed in an axial direction of the ball receiver.
REFERENCES:
patent: 2914085 (1959-11-01), Mercier
patent: 6196201 (2001-03-01), Fehlmann et al.
patent: 6497247 (2002-12-01), Kinoshita et al.
patent: 6851449 (2005-02-01), Kleibrink
patent: 2001/0052361 (2001-12-01), Kushida et al.
patent: 5623765 (1981-03-01), None
patent: 2875852 (1999-01-01), None
Ichizuki Morihito
Oba Kenzo
Ueki Takeshi
Krishnamurthy Ramesh
Showa Corporation
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