Honeycomb body with double tubular casing

Details Honeycomb body with double tubular casing Honeycomb body with double tubular casing

2006-04-17

2010-06-15

Sample, David R (Department: 1794)

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

C422S177000, C502S527120

Reexamination Certificate

active

07736717

ABSTRACT:
A honeycomb body includes a honeycomb structure through which a fluid can flow and which is disposed in a tubular casing that is substantially gas-impermeable in a radial direction. The tubular casing includes at least one inner tubular casing part and at least one outer tubular casing part, in which at least the outer tubular casing part has cutouts at least in a subregion. The tubular casing has a reduced weight as compared to standard tubular casings, yet nevertheless has the same mechanical stability and gas-tightness. It is also possible to form the tubular casing with thermal expansion properties which are adapted to a subsequent use.

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patent: 2003/0091480 (2003-05-01), Yamaguchi et al.
patent: 2003/0147782 (2003-08-01), Bruck et al.
patent: 2004/0152595 (2004-08-01), Maus
patent: 37 29 994 (1989-03-01), None
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patent: 101 37 897 (2003-02-01), None
patent: 2000-274233 (2000-10-01), None
English Translation of DE 19900412 (German Patent).

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