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Title:
MAT MATERIAL, EXHAUST GAS PURIFICATION DEVICE, AND METHOD FOR PRODUCING MAT MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/276777
Kind Code:
A1
Abstract:
Provided is a mat material comprising a base material mat that has first and second main surfaces and that contains inorganic fibers, and a sheet material that is provided on the first main surface and/or the second main surface, said mat material being characterized in that the sheet material is a layered sheet in which vertically oriented fibers and transversely oriented fibers are layered, the sheet material has openings surrounded by the vertically oriented fibers and the transversely oriented fibers, and the average opening area of the sheet material is more than 0 mm2 per opening but not more than 0.7 mm2 per opening.

Inventors:
KOGO YUTA (JP)
Application Number:
PCT/JP2022/024674
Publication Date:
January 05, 2023
Filing Date:
June 21, 2022
Export Citation:
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Assignee:
IBIDEN CO LTD (JP)
International Classes:
B32B5/02; B32B5/26; F01N3/28
Foreign References:
JP2009113336A2009-05-28
JP2009085092A2009-04-23
JP2020084798A2020-06-04
JP2020033900A2020-03-05
JP2020033899A2020-03-05
JP2011137418A2011-07-14
JP2001521847A2001-11-13
JP2008051004A2008-03-06
JP2009085092A2009-04-23
JP2020084798A2020-06-04
Attorney, Agent or Firm:
WISEPLUS IP FIRM (JP)
Download PDF:
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