SEALED HONEYCOMB STRUCTURE

摘要

A sealed honeycomb structure which can suppress increase of pressure loss and improve durability favorably is disclosed. A sealed honeycomb structure 100 including a honeycomb structure 4 having porous walls 1 dividedly forming inlet cells 2a and outlet cells 2b extending from an end surface of an inlet side to an end surface of an outlet side 12, an outlet side sealing portion 5b, and an inlet side sealing portion, wherein at least one outlet cell 2b is a reinforced cell 22 where a reinforcing part 6 for reinforcing the outlet cell 2b is formed at at least one corner portion 21 a at which the walls 1 on a cross-section vertical to an extending direction of the cell 2 cross each other, wherein the inlet cell 2a is a non-reinforced cell 23 where the reinforcing part 6 is not formed at all the corner portions 21 at which the walls 1 on the cross-section vertical to the extending direction of the cell 2 cross each other, and wherein the reinforcing parts 6 of the reinforced cells 22 are formed at a section of the honeycomb structure 4 from the end surface of the outlet side 12 in the extending direction of the cell.