Pipe joints or couplings – Packed – Wedge
Reexamination Certificate
2007-11-20
2007-11-20
Dunwoody, Aaron (Department: 3679)
Pipe joints or couplings
Packed
Wedge
C285S332000, C285S332200, C285S421000, C403S337000
Reexamination Certificate
active
11065486
ABSTRACT:
A releasable connection arrangement that includes, a first component, which has a collar projecting radially outwards with a first clamping surface and a first bearing surface and a socket disposed at an open end of a second component for retaining the collar by gripping round it axially. A second bearing surface is formed in the socket to co-operate with the first bearing surface. A groove is formed either in the first or in the second bearing surface to receive a seal. A second clamping surface is formed in the socket at an axial distance from the second bearing surface in which a number of ring wedge-shaped tensioning members which are distributed over the circumference and are disposed such that first wedge surfaces abut the first clamping surface and second wedge surfaces abut the second clamping surface.
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patent: 2002/0101079 (2002-08-01), Ehrke
patent: 2004/0036280 (2004-02-01), Belcher
Muller Andreas
Wangemann Matthias
Dunwoody Aaron
Fulbright & Jaworski
Holter Regelarmaturen GmbH & Co. KG
Kee Fannie C.
Simpson Jan K.
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