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Title:
HONEYCOMB STRUCTURAL BODY, METHOD OF MANUFACTURING THE STRUCTURAL BODY, AND METHOD OF MEASURING OUTER PERIPHERAL DISTORTION OF THE STRUCTURAL BODY
Document Type and Number:
WIPO Patent Application WO/2003/080539
Kind Code:
A1
Abstract:
A honeycomb structural body (1), a method of manufacturing the structural body, and a method of measuring the outer peripheral distortion of the structural body, the structural body (1) comprising porous cell partition walls (2) forming the complex of a plurality of cells (3) adjacent to each other and a porous honeycomb outer wall (4) holdingly surrounding the outermost peripheral cells positioned on the outermost periphery of the cell complex, wherein the porosity of the cell partition walls is 5 to less than 30% and the outer peripheral distortion of the honeycomb structural body (1) is 0.030 or less, whereby excellent and practical erosion resistance and isostatic strength can be provided in honeycomb structural bodies having various types of cell structures.

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Inventors:
FUKAO KANAME (JP)
YOSHIDA SHINYA (JP)
NAKAMURA TOMOO (JP)
Application Number:
PCT/JP2003/002734
Publication Date:
October 02, 2003
Filing Date:
March 07, 2003
Export Citation:
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Assignee:
NGK INSULATORS LTD (JP)
FUKAO KANAME (JP)
YOSHIDA SHINYA (JP)
NAKAMURA TOMOO (JP)
International Classes:
B01D53/88; B01D53/94; B01J35/04; C04B35/64; C04B38/00; F01N3/022; F01N3/28; (IPC1-7): C04B38/00; C04B35/64; B28B3/26; B01J35/04; B01D53/86; B01D53/94
Foreign References:
EP0854123A11998-07-22
JPH02255576A1990-10-16
EP1025903A12000-08-09
JP2000025021A2000-01-25
JP2002046117A2002-02-12
JPH11277653A1999-10-12
JP2000000809A2000-01-07
JP2000153117A2000-06-06
Other References:
See also references of EP 1489060A4
Attorney, Agent or Firm:
Watanabe, Kazuhira (No.8 Kikuboshi Tower Building 20-1, Asakusabashi 3-chome Taito-ku Tokyo, JP)
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