HONEYCOMB STRUCTURAL BODY AND ASSEMBLY THEREOF

Title:

HONEYCOMB STRUCTURAL BODY AND ASSEMBLY THEREOF

Document Type and Number:

WIPO Patent Application WO/2002/081057

Kind Code:

A1

Abstract:

A honeycomb structural body (1) and an assembly thereof; the honeycomb structural body (1), comprising a plurality of honeycomb segments (2a, 2b) of the honeycomb structure partitioned by partition walls (10) to form a large number of axially passing through-holes (6) formed integrally with each other, wherein the average wall thickness of at least one of the honeycomb segments (2a) not forming the outermost peripheral surface (23) of the honeycomb structural body (1) is larger than the average wall thickness of at least one of the honeycomb segments (2b) forming the outermost peripheral surface (23); the assembly of the honeycomb structural body, wherein the honeycomb structural body (1) is compressedly held in a metal container by disposing, in compressed state, a compressive elastic material (B) on the outermost peripheral surface (23) of the honeycomb structural body (1); whereby the honeycomb structural body and the assembly thereof can provide an excellent durability against a damage by thermal stress while suppressing the lowering of a responding rate, purifying efficiency, and regenerative efficiency thereof in service.

Inventors:

HIJIKATA TOSHIHIKO (JP)

Application Number:

PCT/JP2002/002644

Publication Date:

October 17, 2002

Filing Date:

March 20, 2002

Export Citation:

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Assignee:

NGK INSULATORS LTD (JP)
HIJIKATA TOSHIHIKO (JP)

International Classes:

B01D39/14; B01D39/20; B01D46/00; B01D53/86; B01J33/00; B01J35/04; F01N3/022; F01N3/28; (IPC1-7): B01D39/20; B01D46/00; F01N3/28; B01D53/86; B01J35/04

Foreign References:

JPS61113915U	1986-07-18
JP2000279929A	2000-10-10
US6162404A	2000-12-19
JPS54110189A	1979-08-29
JPS5819743U	1983-02-07

Other References: