METHOD FOR MANUFACTURING SEALING HONEYCOMB STRUCTURE

Title:

METHOD FOR MANUFACTURING SEALING HONEYCOMB STRUCTURE

Document Type and Number:

WIPO Patent Application WO/2008/081654

Kind Code:

A1

Abstract:

This invention provides a method for manufacturing a sealing honeycomb structure (30) comprising a honeycomb base material (1) and sealing parts (15) which, together with both end faces (11,21) of the honeycomb base materials (1), form a complementary check pattern. Masking films (4a, 4b) are applied respectively to both the end faces (11, 21) of the honeycomb base material (1). A slurry penetration hole (3a) is formed in the masking films (4a, 4b) in their parts corresponding to a cell opening end part (7). A deaeration hole (3b) is formed in the masking films (4a, 4b) in their parts which face through the cell (2) the slurry penetration hole (3a) formed parts. Both the end faces (11, 12) to which the masking films (4a, 4b) of the honeycomb base material (1) have been applied, are immersed in a sealing slurry (6) to provide a slurry filled base material (20) which is then baked.

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Inventors:

ITO KOICHI (JP)
TOKUNAGA TAKESHI (JP)

Application Number:

PCT/JP2007/072235

Publication Date:

July 10, 2008

Filing Date:

November 09, 2007

Export Citation:

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Assignee:

NGK INSULATORS LTD (JP)
ITO KOICHI (JP)
TOKUNAGA TAKESHI (JP)

International Classes:

B28B11/02; B01D39/00; B01D39/20; C04B37/00

Domestic Patent References:

WO2006062141A1	2006-06-15
WO2006062141A1	2006-06-15

Foreign References:

JPH01221216A	1989-09-04
JP2005218209A	2005-08-11
JP2001300922A	2001-10-30
JPH06190218A	1994-07-12
JPH06190224A	1994-07-12
JPH01221216A	1989-09-04
JP2005218209A	2005-08-11

Other References: