To introduce the base and its production mannered null

摘要

PROBLEM TO BE SOLVED: To provide an extrusion molding die molding a honeycomb structure having small cells and thin-walled partition with high precision.;SOLUTION: The extrusion molding die is equipped with a large number of hexagonal pillar members 10 provided in parallel to each other and a large number of the hexagonal pillar members 11 arranged between the hexagonal pillar members 10 and flow channels of a molding raw material are constituted of the slits 5 between the hexagonal pillar members 11 prescribed in interval by the hexagonal pillar members 11.;COPYRIGHT: (C)2008,JPO&INPIT