HOLDING SEAL MATERIAL AND MANUFACTURING METHOD THEREOF

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(11)

EP 2 878 783 A8

(12)	CORRECTED EUROPEAN PATENT APPLICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 A1)

(48)	Corrigendum issued on:
	22.07.2015 Bulletin 2015/30

(43)	Date of publication:
	03.06.2015 Bulletin 2015/23

(21)	Application number: 15150077.4

(22)	Date of filing: 27.05.2002

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International Patent Classification (IPC):

F01N 3/28^(2006.01)
C04B 35/117^(2006.01)
D01F 9/08^(2006.01)
D01D 5/253^(2006.01)
D01D 5/04^(2006.01)

C04B 35/622^(2006.01)
C04B 35/80^(2006.01)
B82Y 30/00^(2011.01)
D01F 9/10^(2006.01)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

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Priority:

25.05.2001 JP 2001157701
25.05.2001 JP 2001157702
25.05.2001 JP 2001157703
25.05.2001 JP 2001157704
25.05.2001 JP 2001157705
31.05.2001 JP 2001164915

(62)	Application number of the earlier application in accordance with Art. 76 EPC:
	08172140.9 / 2034151
	02728161.7 / 1418317

(71)	Applicant: Ibiden Co., Ltd.
	Ogaki-shi Gifu 503-8604 (JP)

(72)	Inventors:
	Tanahashi, Kazutomo Ogaki-shi Gifu 503-0021 (JP) Doushita, Masakage Ogaki-shi Gifu 503-0021 (JP) Takahashi, Hidetomo Ogaki-shi Gifu 503-0021 (JP)

(74)	Representative: Hoffmann Eitle
	Patent- und Rechtsanwälte PartmbB Arabellastraße 30 81925 München 81925 München (DE)


	Remarks:
	This application was filed on 05-01-2015 as a divisional application to the application mentioned under INID code 62.

(54)	HOLDING SEAL MATERIAL AND MANUFACTURING METHOD THEREOF

(57) The present patent application relates to a holding seal material which has a single-sheet structure of fiber aggregation of alumina-silica based fibers aggregated into a mat shape as a constituent element, and is placed in a gap between a ceramic body capable of allowing a fluid to flow through the inside thereof and a metal shell covering the outer circumference of the ceramic body, wherein a mullite crystallization rate of the fiber aggregation is made different depending on portions of the single-sheet structure.