Manufacturing method of honeycomb structured body

摘要

A manufacturing method of a honeycomb structured body including a honeycomb fired body of the present invention comprises: fabricating a pillar-shaped honeycomb molded body having a large number of cells longitudinally placed in parallel with one another with a cell wall there between by molding a ceramic raw material, and firing of the honeycomb molded body, wherein the manufacturing method further includes removing of extraneous matters adhered to a surface of the honeycomb fired body after the honeycomb molded body has been fired.