Title:
HONEYCOMB STRUCTURE AND PRODUCTION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2007/074808
Kind Code:
A1
Abstract:
A honeycomb structure being excellent in thermal dispersion performance at
heating, and being effectively prevented from damage due to thermal stress;
and an efficient production method thereof. The honeycomb structure comprises
porous partition walls (3) and sealing portions (7), wherein fluid flowing into
cells (4) can flow out via partition walls (3) working as filtering layers, additional
sealing portions (8) disposed so as to seal non-sealed opening ends (5) are further
provided at the opening ends (non-sealed opening ends) (5), where sealing portions
(7) are not disposed, of a plurality of cells (4), the respective sectional shapes,
in a direction perpendicular to the axial direction, of the additional sealing
portions (8) constitute a specified pattern shape as a whole, and the center of
gravity of the pattern shape is positioned almost in the center of a section in
a direction perpendicular to a exhaust gas flow axial direction.
Inventors:
KASAI YOSHIYUKI (JP)
YAMADA TOSHIO (JP)
MIWA SHINICHI (JP)
MAKINO MIKIO (JP)
YAMADA TOSHIO (JP)
MIWA SHINICHI (JP)
MAKINO MIKIO (JP)
Application Number:
PCT/JP2006/325872
Publication Date:
July 05, 2007
Filing Date:
December 26, 2006
Export Citation:
Assignee:
NGK INSULATORS LTD (JP)
KASAI YOSHIYUKI (JP)
YAMADA TOSHIO (JP)
MIWA SHINICHI (JP)
MAKINO MIKIO (JP)
KASAI YOSHIYUKI (JP)
YAMADA TOSHIO (JP)
MIWA SHINICHI (JP)
MAKINO MIKIO (JP)
International Classes:
B01D46/00; B01D39/20; B01D53/86; B01D53/94; B01J23/42; B01J32/00; B01J35/04; F01N3/02; F01N3/28
Foreign References:
| JP2005169308A | 2005-06-30 | |||
| JP2005270969A | 2005-10-06 |
Other References:
See also references of EP 1974791A4
Attorney, Agent or Firm:
WATANABE, Kazuhira (No.8 Kikuboshi Tower Building 20-18, Asakusabashi 3-chome, Taito-k, Tokyo 53, JP)
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