Ceramic honeycomb structure
AssigneeNippon Soken, Inc.
InventorsKazunari Okumura, Shinichi Yamamoto, Zituo Suzuki
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Abstract
A ceramic honeycomb structure is provided with a plurality of open passages extending therethrough in an axial direction thereof. The wall thickness of at least one part of the open passages formed in an annular portion along an outer peripheral surface of the structure is made larger than that of the other open passages formed in the other portion than the annular portion, and the structure has excellent mechanical strength and thermal shock strength.
Claims6
In a ceramic honeycomb structure provided with a plurality of open passages extending therethrough in an axial direction thereof and defined by thin walls of said structure
- the improvement wherein:
- the wall thickness of at least one part of walls of said structure which define said open passages formed in an annular portion along an outer peripheral surface of said structure is formed larger than that of the other open passages formed in portions other than said annular portion.
Dependencies are inferred from the claim text.