Pipe joints or couplings – Flexible joint – rigid members – Bellows
Reexamination Certificate
2005-05-17
2005-05-17
Hewitt, James M. (Department: 3679)
Pipe joints or couplings
Flexible joint, rigid members
Bellows
C285S227000, C285S299000
Reexamination Certificate
active
06893053
ABSTRACT:
A flexible bellows tube connecting pipes in a system such as a vehicle exhaust system. Various embodiments are disclosed, with each including two conduit sections having mating corrugations that overlap to provide a seal while allowing the two sections to rotate in response to torsion loading. Different configurations of the interfitting corrugations and related structure are disclosed in the different embodiments.
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Swank Scott R.
Thomas R. Winfield
Blackwell Sanders Peper Martin LLP
Hewitt James M.
Tru--Flex Metal Hose Corp.
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