| abstract |
A plurality of cells 2 that are partitioned into a honeycomb shape by the partition walls 1 to serve as fluid flow paths, an outer wall 5 that surrounds the cells 2, and a portion that includes the central axis P or a predetermined axis parallel to the central axis P in the direction of the central axis And a cavity structure 3, and a cell structure 10 including an inner wall 4 on the inner surface of the cavity 3, a manufacturing method thereof, and a catalyst structure. A cell structure having a cavity, a manufacturing method thereof, a catalyst structure, and the like, which have excellent isostatic fracture strength and can exhibit an appropriate sealing function in the cavity. |