Ceramic honeycomb structure and its manufacturing method

摘要

The invention relates to a honeycomb structure made of ceramic material, which comprises a plurality of honeycombs (...).Each hole (22) includes a peripheral wall defining a through cavity which reaches a first surface (() 18) and a second surface () 20 at the first hole and the second hole, respectively. At least one honeycomb (22) includes an edge made of a material, the edge being together with the honeycomb wall (22), and projecting from the wall at least one hole.