Title:
MOLD AND DIE METALLIC MATERIAL, AIR-PERMEABLE MEMBER FOR MOLD AND DIE USE, AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
WIPO Patent Application WO/2012/111835
Kind Code:
A3
Abstract:
A mold and die metallic material, an air-permeable member for mold and die use, and a method for making the same are provided. The mold and die metallic material is made by forming a mixed material containing stainless steel fibers with an equivalent diameter of 30-300 ƒﾊm and a length of 0.4-5.0 mm, and stainless steel powder, heat sintering a green body of the mixed material, and heating the sintered body thus obtained in a nitrogen atmosphere and nitrided; wherein average open pore diameter thereof is 3-50 ƒﾊm.
Inventors:
ASAI MASAYUKI (JP)
SUZUKI MINEO (JP)
YABUNO TETSU (JP)
SUZUKI MINEO (JP)
YABUNO TETSU (JP)
Application Number:
PCT/JP2012/053894
Publication Date:
April 18, 2013
Filing Date:
February 13, 2012
Export Citation:
Assignee:
SINTOKOGIO LTD (JP)
ASAI MASAYUKI (JP)
SUZUKI MINEO (JP)
YABUNO TETSU (JP)
ASAI MASAYUKI (JP)
SUZUKI MINEO (JP)
YABUNO TETSU (JP)
International Classes:
B22F3/11; B22C1/00; B22F3/24; B22F5/00; C22C49/08
Foreign References:
| EP0764485A2 | 1997-03-26 | |||
| JPH0633112A | 1994-02-08 | |||
| JPH0472004A | 1992-03-06 | |||
| JPH03239509A | 1991-10-25 |
Attorney, Agent or Firm:
TSUJII, Koichi et al. (Shin-Tokyo Bldg. 3-1, Marunouchi 3-chome, Chiyoda-k, Tokyo 55, JP)
Download PDF: