Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Reexamination Certificate
2005-11-08
2005-11-08
Peavey, Enoch (Department: 3676)
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
C277S390000, C277S391000, C277S392000
Reexamination Certificate
active
06962340
ABSTRACT:
A primary technical goal of the present invention is to improve the durability and the seal performance of a cup gasket for a mechanical seal device which retains a seal ring. The mechanical seal device disposes a cup gasket made of a resilient rubber material between the mounting surface of the first seal ring and the step shoulder installation surface in which the cup gasket retains a support plate in an integral manner and the support face of the support plate facing opposite relative to and in approximately parallel with the mounting surface of the seal ring.
REFERENCES:
patent: 6523832 (2003-02-01), Nakano
patent: 6655694 (2003-12-01), Nakano
Arent & Fox PLLC
Eagle Industry Co. Ltd.
Peavey Enoch
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