Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shunji Okazaki0
Date of Patent
May 20, 2014
0Patent Application Number
125209120
Date Filed
December 25, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A ceramic honeycomb structure comprising a ceramic honeycomb body having cell walls defined by a large number of longitudinally extending cells, and an outer peripheral wall formed on an outer peripheral surface of the ceramic honeycomb body, the outer peripheral wall being formed by coating longitudinally extending grooves defined by cell walls on the outer peripheral surface of the ceramic honeycomb body with a coating material, and the outer peripheral wall having higher hardness in its outer peripheral portion than in its inside portion in a thickness direction.
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