Honeycomb body for an exhaust gas treatment unit

Stock material or miscellaneous articles – All metal or with adjacent metals – Honeycomb – or with grain orientation or elongated elements...

Reexamination Certificate

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Details

C428S586000, C428S600000, C228S181000, C228S118000, C029S890000, C502S439000, C502S527220, C422S179000, C422S180000

Reexamination Certificate

active

07666521

ABSTRACT:
A honeycomb body for an exhaust treatment unit has at least one honeycomb structure and a least one housing, which at least partially surrounds the at least one honeycomb structure. At least one region between the honeycomb structure and the housing is formed with a brazed joint and at least two separate measures delimit the brazed joint. Furthermore, a method for producing a corresponding honeycomb is also proposed.

REFERENCES:
patent: 3623921 (1971-11-01), Behringer
patent: 4396213 (1983-08-01), Hawkins
patent: 4439250 (1984-03-01), Acharya et al.
patent: 4451540 (1984-05-01), Baird et al.
patent: 6460754 (2002-10-01), Messelling et al.
patent: 6634542 (2003-10-01), Wieres
patent: 6673466 (2004-01-01), Brück et al.
patent: 2004/0152594 (2004-08-01), Bruck et al.
patent: 2005/0106084 (2005-05-01), Maus et al.
patent: 2005/0186127 (2005-08-01), Reck et al.
patent: 99/37896 (1999-07-01), None
patent: 01/79669 (2001-10-01), None
patent: 03/087548 (2003-10-01), None
patent: 2004/037394 (2004-05-01), None
International Search Report, dated Feb. 1, 2007.

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