Pipe joints or couplings – Swivel – Pipe in socket type
Reexamination Certificate
2006-02-28
2006-02-28
Bochna, David (Department: 3679)
Pipe joints or couplings
Swivel
Pipe in socket type
C285S272000, C277S580000, C277S573000
Reexamination Certificate
active
07004509
ABSTRACT:
A rotary joint comprising a stationary head including a fluid chamber therein, the chamber opening at a bottom surface of the heaf, a rotatable nipple having an outer surface and an internal axial passageway in fluid communication with the fluid chamber; and a seal member disposed on the outer surface of the nipple. The seal member comprises a rigid body including a radial flange portion having opposite first and second surfaces each carrying at least one seal, the seal of the first surface sealingly engaging the bottom surface of the head. The seal member and the nipple are radially moveable in relation to the fixed head while maintaining sealing engagement between the at least one seal of the first surface of the radial flange portion and the bottom surface of the head.
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Beach Matthew H.
Ives Alan T.
Bochna David
The Johnson Corporation
Young & Basile P.C.
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