Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Reexamination Certificate
2005-07-27
2009-02-10
Flanigan, Allen J (Department: 3744)
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
C228S183000, C165S906000, C165S173000, C165S183000
Reexamination Certificate
active
07487589
ABSTRACT:
The present invention relates to automotive heat exchanger assemblies that can withstand high environmental temperature and pressures conditions. By providing a tube strengthener inserted into the tubes at the areas of highest stress, the heat exchanger assembly is strengthened to be efficient under typical operating conditions.
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Freestone Kevin L.
Irish Kellie M.
Johnson David S.
Lamancuso Sam J.
Lynch Terrence P.
Dierker & Associates P.C.
Flanigan Allen J
Valeo Inc.
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