Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2006-05-23
2006-05-23
Jimenez, Marc (Department: 3726)
Metal working
Method of mechanical manufacture
Assembling or joining
C029S235000, C029S446000, C029S450000, C029S269000, C029S229000, C100S009000, C277S316000
Reexamination Certificate
active
07047619
ABSTRACT:
A tool and method is provided for the installation of radial seals such as for example O-rings into radial grooves. The tool and method can be used to install an O-ring into a dovetailed groove of an items such as a valve stem. The tool includes a first part having a first face at an angle relative to a plane in which the plane lies and a second part having a second face opposed to the first face and that a second opposite angle relative to the plane in which the seal lies. Compressing the first and the second part towards the two faces together squeezes the seal and urges it into the groove.
REFERENCES:
patent: 3981066 (1976-09-01), Calvert
patent: 6408497 (2002-06-01), Whetstone
patent: 6862789 (2005-03-01), Hering et al.
Parker O-Ring Handbook, Basic O-Ring Elastomers, pp. 2-5, 2-6, 2-7.
Mroch Connie
Norton Larry
VanAcker Kirk
Wambold Barry
Agrawal Christopher
Baker & Hostetler LLP
Jimenez Marc
SPX Corporation
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