Pipe joints or couplings – Packed – Wedge
Reexamination Certificate
2007-11-19
2008-10-07
Dunwoody, Aaron M (Department: 3679)
Pipe joints or couplings
Packed
Wedge
C285S332000, C285S332200, C285S421000, C403S337000
Reexamination Certificate
active
07431349
ABSTRACT:
A releasable connection arrangement 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 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 M
Holter Regelarmaturen GmbH & Co. KG
Kee Fannie
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