The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 20, 2004
Filed:
Feb. 05, 2002
Applicant:
Inventors:
Mikio Ishihara, Kariya, JP;
Mamoru Nishimura, Nagoya, JP;
Assignee:
Denso Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 5/000 ;
U.S. Cl.
CPC ...
B01D 5/000 ;
Abstract
A honeycomb structure comprising at least one main honeycomb structure and sub-honeycomb structures axially disposed, in series, on both end surfaces of the main honeycomb structure Partial plugs are constituted for some of the cells of the main honeycomb structure by facing the intersecting portions of partitioning walls surrounding the cells of the sub-honeycomb structure disposed adjacent to the main honeycomb structure with some of the cells of main honeycomb structure, and the arrangement of the partial plugs at one end surface of the main honeycomb structure differs from that at the other end surface of the main honeycomb structure