Title:
FORGED THIN ENCLOSURE MADE OF MAGNESIUM ALLOY AND ITS PRODUCTION METHOD
Document Type and Number:
Japanese Patent JP2007222947
Kind Code:
A
Abstract:
To provide a lightweight, thin enclosure of high quality which is made of a magnesium alloy by forging.
The forged thin enclosure is made of a magnesium alloy comprising, by weight, 1 to 6% Al, 0 to 2% Zn, ≤0.5% Mn, ≤0.2% trace elements, and the balance Mg with inevitable impurities, and the thickness of the main part is almost ≤1.0 mm. The corner part at the inside of the thin enclosure made by forging has a curved face with a small radius, also, prescribed signals integrally projected onto the outer face of the forged thin enclosure are provided, and further, the whole face of the forged thin enclosure is provided with a special composite anodic oxide film.
COPYRIGHT: (C)2007,JPO&INPIT
Inventors:
SEKI ISAO
TANIIKE SHIGEHIRO
HAMA YASUO
WATANABE HIROSHI
KAKIZAKI MASAHIKO
TANIIKE SHIGEHIRO
HAMA YASUO
WATANABE HIROSHI
KAKIZAKI MASAHIKO
Application Number:
JP2007141677A
Publication Date:
September 06, 2007
Filing Date:
May 29, 2007
Export Citation:
Assignee:
HITACHI METALS LTD
SONY CORP
SONY CORP
International Classes:
B21J5/00; C22C23/02; C22F1/06; C22F1/00
Domestic Patent References:
| JPH0623439A | 1994-02-01 | |||
| JPS63282232A | 1988-11-18 | |||
| JPH06248402A | 1994-09-06 | |||
| JPH09176894A | 1997-07-08 | |||
| JPH08309464A | 1996-11-26 |
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