Eye closure honeycomb structural body - Nippon Insulator Co., Ltd.

Title:

Eye closure honeycomb structural body

Document Type and Number:

Japanese Patent JP6231910

Kind Code:

B2

Abstract:

There is disclosed a plugged honeycomb structure which can inhibit a temperature rise during use at high temperatures and is excellent in thermal shock resistance. A plugged honeycomb structure 100 includes a pillar-shaped honeycomb structure body 4 having porous partition walls 1 defining a plurality of cells 2 which become through channels for a fluid and extend from a first end face 11 to a second end face 12, and plugging portions 5 disposed in open ends of predetermined cells 2b in the first end face 11 and open ends of residual cells 2a in the second end face 12, and the partition walls 1 are constituted of a porous body including ±-Al 2 O 3 as a main phase and further including cordierite and Y 2 Si 2 O 7 .

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Inventors:

Yoshiro Kikuchi

Application Number:

JP2014052425A

Publication Date:

November 15, 2017

Filing Date:

March 14, 2014

Export Citation:

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Assignee:

Nippon Insulator Co., Ltd.

International Classes:

B01J35/04; B01D39/20; B01D46/00; B01D53/86; B01D53/88; B01D53/94; B01J23/10; B01J32/00; F01N3/022; F01N3/023; F01N3/035

Domestic Patent References:

JP2010208901A
JP2005349378A

Foreign References:

WO2013187182A1
WO2013047908A1

Attorney, Agent or Firm:

Ippei Watanabe
Koji Kikawa
Hiroyuki Sato
Shigeru Koike

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