Title:
HOLDING SEAL MATERIAL AND METHOD FOR PRODUCING HOLDING SEAL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2017/104642
Kind Code:
A1
Abstract:
A holding seal material according to the present invention is formed of alumina fibers, and is characterized in that: the alumina fibers contain 85-98 wt% of an alumina component and 15-2 wt% of a silica component; the holding seal material has needle-punched marks formed therein; and, in heat treatment tests, the surface pressure of the holding seal material having undergone a heat treatment test, in which the test temperature is set at 950°C during a heating step, equals 65-99% of the surface pressure of the holding seal material having undergone a heat treatment test, in which the test temperature is set at 800°C during the heating step.
Inventors:
OKABE TAKAHIKO (JP)
HATANAKA KIYONARI (JP)
HATANAKA KIYONARI (JP)
Application Number:
PCT/JP2016/087003
Publication Date:
June 22, 2017
Filing Date:
December 13, 2016
Export Citation:
Assignee:
IBIDEN CO LTD (JP)
International Classes:
D04H1/4209; B01D53/94; D04H1/46; F01N3/28
Domestic Patent References:
| WO2002095116A1 | 2002-11-28 | |||
| WO2008121801A1 | 2008-10-09 | |||
| WO2014115814A1 | 2014-07-31 | |||
| WO2004003276A1 | 2004-01-08 |
Foreign References:
| JPS61239069A | 1986-10-24 | |||
| JP2013213463A | 2013-10-17 | |||
| JPS5893841A | 1983-06-03 | |||
| JP2009085093A | 2009-04-23 | |||
| JPH09170156A | 1997-06-30 | |||
| JP2006307376A | 2006-11-09 | |||
| JP2002506166A | 2002-02-26 | |||
| JP2001259438A | 2001-09-25 |
Other References:
KYUZAN TAKAHASHI: "Ceramic fiber nonwoven fabrics", KOGYO ZAIRYO, vol. 37, no. 13, 1989, pages 68 - 73, XP009511052
See also references of EP 3392386A4
See also references of EP 3392386A4
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (JP)
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