Title:
ハニカム構造体製造用の金型の製造方法、金型の製造装置及びハニカム構造体の製造方法
Document Type and Number:
Japanese Patent JP6613970
Kind Code:
B2
Abstract:
A metal mold for manufacturing a honeycomb structure having a plurality of cell density regions and an annular boundary wall includes a honeycomb-like slit part, which is opened to an extrusion surface of a single metal mold body, that is formed of a plurality of cell slits for forming the plurality of cell density regions and an annular boundary slit for forming the boundary wall. Out of the plurality of cell slits, adjacent cell slits adjacent to the boundary slit have all corner portions formed in a round shape by the adjacent cell slits and the boundary slit.
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Inventors:
Tamai Koji
Shigeo Ozaki
Shigeo Ozaki
Application Number:
JP2016046004A
Publication Date:
December 04, 2019
Filing Date:
March 09, 2016
Export Citation:
Assignee:
株式会社デンソー
International Classes:
B28B3/26; B23H1/04; B23H9/12
Domestic Patent References:
| JP2015192988A | ||||
| JP2015042934A | ||||
| JP2001225312A | ||||
| JP2014136211A | ||||
| JP2015096310A | ||||
| JP2014046601A | ||||
| JP11268018A | ||||
| JP7040149A |
Foreign References:
| WO2002072911A1 |
Attorney, Agent or Firm:
Patent Business Corporation Aichi International Patent Office