Patent ID: 7488412
Filing Date: 2009-02-10
Classification: B01D,B01J,B28B,B29C,B29L,F01N,Y02E,Y02P,Y02T,Y10T

Abstract:
1. A honeycomb structural body comprising: a plurality of through channels formed by a plurality of partition walls extending in an axial direction from a first axial end of the honeycomb structural body to a second axial end thereof, wherein the honeycomb structural body is constituted of a plurality of honeycomb sections formed of materials having different characteristics, and the plurality of honeycomb sections are directly bonded to and integrated with one another, the honeycomb structural body is formed as an integrated structure by extrusion, and at least one said axial end of the honeycomb structural body includes a convex structure or a concave structure.