Title:
FREE CASTING METHOD, FREE CASTING APPARATUS, AND CASTING
Document Type and Number:
WIPO Patent Application WO/2012/035752
Kind Code:
A1
Abstract:
A free casting method according to the present invention includes, a lead-out step for leading out molten metal from a lead-out area (P) provided in a source of supply, e.g. a surface level of the molten metal, to retain the molten metal temporarily by surface films (F) generated on an outer surface, and a forming step for obtaining a formed body by solidifying retained molten metal (MS) led out along a set passage (L1) depending on a desired casting shape, wherein the retained molten metal is solidified after being formed into the desired casting shape by applying an external force thereto at positions between an unrestrained root portion of the retained molten metal in vicinity of the surface level of the molten metal and a solidification interface defined as a boundary between the retained molten metal and the formed body in the forming step.
Inventors:
YAOKAWA JUN (JP)
IWATA YASUSHI (JP)
SUGIYAMA YOSHIO (JP)
IWAHORI HIROAKI (JP)
AMANO NORIHIRO (JP)
UENO NORIYUKI (JP)
KOBAYASHI TAKEHITO (JP)
IWATA YASUSHI (JP)
SUGIYAMA YOSHIO (JP)
IWAHORI HIROAKI (JP)
AMANO NORIHIRO (JP)
UENO NORIYUKI (JP)
KOBAYASHI TAKEHITO (JP)
Application Number:
PCT/JP2011/005124
Publication Date:
March 22, 2012
Filing Date:
September 12, 2011
Export Citation:
Assignee:
TOYOTA CHUO KENKYUSHO KK (JP)
TOYOTA MOTOR CO LTD (JP)
YAOKAWA JUN (JP)
IWATA YASUSHI (JP)
SUGIYAMA YOSHIO (JP)
IWAHORI HIROAKI (JP)
AMANO NORIHIRO (JP)
UENO NORIYUKI (JP)
KOBAYASHI TAKEHITO (JP)
TOYOTA MOTOR CO LTD (JP)
YAOKAWA JUN (JP)
IWATA YASUSHI (JP)
SUGIYAMA YOSHIO (JP)
IWAHORI HIROAKI (JP)
AMANO NORIHIRO (JP)
UENO NORIYUKI (JP)
KOBAYASHI TAKEHITO (JP)
International Classes:
B22D11/12; B22D23/00
Foreign References:
| JPH02205232A | 1990-08-15 | |||
| JPS63199050A | 1988-08-17 | |||
| DE102005059692A1 | 2007-06-21 | |||
| DE102006004310A1 | 2007-08-02 | |||
| JPS59203798A | 1984-11-17 | |||
| DE1286510B | 1969-01-09 | |||
| JPS60122791A | 1985-07-01 | |||
| JPS63199050A | 1988-08-17 | |||
| JPH02205232A | 1990-08-15 | |||
| JPH02251341A | 1990-10-09 | |||
| JPH09248657A | 1997-09-22 |
Attorney, Agent or Firm:
MORIOKA, Masayuki et al. (Fabre 4-5, Sarukaido 1-chome, Ichinomiya-sh, Aichi 38, JP)
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Claims:
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