Pipe joints or couplings – Swivel – Pipe in socket type
Reexamination Certificate
2005-08-30
2010-02-02
Hewitt, James M (Department: 3679)
Pipe joints or couplings
Swivel
Pipe in socket type
C285S098000, C285S106000, C285S275000
Reexamination Certificate
active
07654583
ABSTRACT:
A device for a pressure-compensated swivel comprising a swivel housing and a swivel pipe rotatably arranged in the swivel housing, wherein pressure from fluid in the swivel acts on opposing compensating areas in the swivel, whereby an axially compressive force is established between the swivel housing and the swivel pipe.
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Kvamme Atle
Kvamme Jostein
Andrus Sceales Starke & Sawall LLP
Hewitt James M
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