Title:
RUBBER DIE FOR USE IN COLD ISOTROPIC PRESSURE MOLDING, PRODUCTION METHOD FOR MATERIAL FOR CERAMIC BALLS, AND PRODUCTION METHOD FOR CERAMIC BALLS
Document Type and Number:
WIPO Patent Application WO/2023/003040
Kind Code:
A1
Abstract:
A rubber die for cold isotropic pressure molding according to one embodiment of the present invention has a plate-like shape and is for use in performing a cold isotropic pressure molding process on a molded article. Said rubber die is provided with one or more substantially cylindrical holes formed in at least one surface thereof. In this rubber die, a/b<2.0 is satisfied, where a represents the diameter of the opening of the holes, and b represents the maximum depth of the holes.
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Inventors:
FUNAKI KAI (JP)
FUKUDA YOSHIYUKI (JP)
HASEGAWA KOJI (JP)
FUKUDA YOSHIYUKI (JP)
HASEGAWA KOJI (JP)
Application Number:
PCT/JP2022/028373
Publication Date:
January 26, 2023
Filing Date:
July 21, 2022
Export Citation:
Assignee:
TOSHIBA KK (JP)
TOSHIBA MATERIALS CO LTD (JP)
TOSHIBA MATERIALS CO LTD (JP)
International Classes:
B30B11/00; B28B3/00; B30B5/02; C04B35/111; C04B35/486; C04B35/587
Foreign References:
| JPS463666Y1 | 1971-02-08 | |||
| JPH05124020A | 1993-05-21 | |||
| JPS5563712U | 1980-05-01 | |||
| JP2002036216A | 2002-02-05 | |||
| JPS6316598U | 1988-02-03 | |||
| JP2011251336A | 2011-12-15 | |||
| JPH0648813A | 1994-02-22 | |||
| JP2764589B2 | 1998-06-11 | |||
| JPS6018620A | 1985-01-30 | |||
| JP4761613B2 | 2011-08-31 | |||
| JPH106093A | 1998-01-13 |
Attorney, Agent or Firm:
TOKYO INTERNATIONAL PATENT FIRM (JP)
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