Patent ID: 8128395
Filing Date: 2012-03-06
Classification: B28B,B29C,B29L

Abstract:
1. A honeycomb segment-forming die comprising: an introducing portion arranged on an introduction face side and having a plurality of back holes, and a forming portion arranged on a formation face side and having slits communicating with the back holes; wherein the forming portion has a polygonal outer peripheral shape and forms a prismatic honeycomb segment by passing kneaded clay for forming which is introduced from the back holes of the introducing portion through the slits of the forming portion, a first width of the slits formed in each of corner portions including a vertex of the polygonal forming portion is larger than a second width of the slits formed in a central portion of the forming portion, and a third width of the slits formed in an outer peripheral portion of the forming portion that does not include the corner portions is larger than the second width and is smaller than the first width.