Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasuhiko Otsubo0
Hirohisa Suwabe0
Date of Patent
August 15, 2006
Patent Application Number
10461419
Date Filed
June 16, 2003
Patent Primary Examiner
Patent abstract
The ceramic honeycomb filter having a plurality of honeycomb structures each having an outer wall and a large number of flow paths partitioned by cell walls inside the outer wall, which are bonded to each other in the direction of the flow paths, desired flow paths on exhaust gas inlet and outlet sides being sealed, wherein at least one plug on an exhaust inlet side is disposed at a position inside the filter separate from an inlet end surface of the filter; and wherein inlet-side plugs are formed at desired positions of end portions of at least one honeycomb structure.
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