Patent ID: 8398390
Filing Date: 2013-03-19
Classification: B28B,B29C,B29L

Abstract:
1. A die for forming a honeycomb structure, comprising: a plate-like die main body having an introducing portion provided on a side of a first surface thereof and having a plurality of back holes extending in a thickness direction to introduce a forming material, and a forming portion provided on a side opposite to the first surface thereof and having slits connected to the back holes to form the forming material into a honeycomb shape; and a back plate removably attached to the surface of the introducing portion and having a plurality of through holes connected to the back holes of the introducing portion, wherein the opening portions of the through holes formed in an introduction surface of the back plate, which does not contact the first surface of the die main body, have an enlarging shape so as to enlarge toward the introduction surface, and wherein the outermost peripheral portions of the opening portions of all adjacent through holes are in contact with each other.