Pipe joints or couplings – Flexible joint – rigid members – Resilient sleeve type
Reexamination Certificate
2007-04-27
2010-02-23
Bochna, David E (Department: 3679)
Pipe joints or couplings
Flexible joint, rigid members
Resilient sleeve type
C285S224000, C285S237000, C060S322000
Reexamination Certificate
active
07665771
ABSTRACT:
A flexible header joint for a high performance automobile is provided, wherein the first end of the joint receives a header collector and the second end of the joint receives an exhaust pipe. A cylindrical clamp maintains the joint in position to the header collector, the clamp having three spring retainers circumferentially positioned around the clamp. When the automobile is in motion, the clamp allows for the header to twist and rotate relative to the exhaust pipe while still maintaining the seal and thus preventing leakage of exhaust.
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patent: 4856822 (1989-08-01), Parker
patent: 5328209 (1994-07-01), Cromwell
patent: 6931843 (2005-08-01), Gilli
Bochna David E
Fasken Martineau DuMoulin LLP
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