Patent ID: 8168127
Filing Date: 2012-05-01
Classification: B01D,B28B,C04B,F01N,Y10T

Abstract:
1. A honeycomb structure comprising: a honeycomb block including at least one honeycomb fired body having a first end face side and a second end face side in a longitudinal direction of the at least one honeycomb fired body, the at least one honeycomb fired body comprising: a plurality of cell walls extending along the longitudinal direction to define cells, either one of first and second end portions in the longitudinal direction of each of the cells being sealed, wherein the first end portion provided on the first end face side of said at least one honeycomb fired body is sealed with a first plug which is made from a plug material paste and fired, wherein the second end portion provided on the second end face side of said at least one honeycomb fired body is sealed with a second plug which is made from a plug material paste and unfired, wherein said second plug is solidified by heating, wherein said first end face side contains only fired first plugs and does not contain any unfired plugs, and wherein said second end face side contains only unfired second plugs and does not contain any fired plugs.