Patent ID: 6939522
Filing Date: 2005-09-06
Classification: B01D,B01J,F01N,Y02T

Abstract:
1. A honeycomb structure having a large number of through-holes formed in the axial direction and defined by partition walls, wherein (1) slits are formed so as to be exposed to at least part of the outer surface of the honeycomb structure along the axial direction, (2) the honeycomb structure is made of a material containing, as a main crystal phase, at least one member selected from the group consisting of cordierite, SiC, SiN, alumina, mullite, aluminum titanate and lithium aluminum silicate, and (3) in each section of the honeycomb structure including each slit, each slit is exposed along an upper end surface and a lower end surface of the honeycomb structure and there is a continuous area in the center of the honeycomb structure in which no slit is formed and which is not exposed to the outer surface of the honeycomb structure.