Title:
LONG LIGHT METAL BILLET AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2014/002127
Kind Code:
A1
Abstract:
By stacking a plurality of short light metal billets (1), in which light metal powder has been compression-molded, inside a long container (2) having an internal diameter (D) that is larger than the external diameter (d) of the short light metal billets (1) and applying pressure to the same inside the long container (2) at a temperature higher than normal temperature to compress the same until the external diameter becomes equal to the internal diameter (D) of the long container (2), the interfaces (4) between the short light metal billets (1) are joined as a result of friction.
Inventors:
KOSHI AKIHIKO (JP)
LIAO JINSUN (JP)
LIAO JINSUN (JP)
Application Number:
PCT/JP2012/004095
Publication Date:
January 03, 2014
Filing Date:
June 25, 2012
Export Citation:
Assignee:
KURIMOTO LTD (JP)
KOSHI AKIHIKO (JP)
LIAO JINSUN (JP)
KOSHI AKIHIKO (JP)
LIAO JINSUN (JP)
International Classes:
B22F3/02; B22F3/20
Foreign References:
| JP2010024545A | 2010-02-04 | |||
| JPS6345307A | 1988-02-26 | |||
| JPH03215604A | 1991-09-20 | |||
| JPH10296498A | 1998-11-10 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
Patent business corporation MAEDA PATENT OFFICE (JP)
Patent business corporation MAEDA PATENT OFFICE (JP)
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