| (19) |
 |
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(11) |
EP 1 130 125 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
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19.09.2001 Bulletin 2001/38 |
| (43) |
Date of publication A2: |
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05.09.2001 Bulletin 2001/36 |
| (22) |
Date of filing: 19.02.2001 |
|
| (51) |
International Patent Classification (IPC)7: C22C 21/02 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
Designated Extension States: |
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AL LT LV MK RO SI |
| (30) |
Priority: |
02.03.2000 JP 2000057233
26.06.2000 JP 2000190655
|
| (71) |
Applicant: KABUSHIKI KAISHA DAIKI ALUMINIUM KOGYOSHO |
|
Yao-shi Osaka (JP) |
|
| (72) |
Inventors: |
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- Suzuki, Takao, c/o K. K. Daiki Aluminium Kogyosho
Yao-shi, Osaka (JP)
- Kawai, Kiyofumi, K. K. Daiki Aluminium Kogyosho
Yao-shi, Osaka (JP)
- Oshiro, Naoto, c/o k. K. Daiki Aluminium Kogyosho
Yao-shi, Osaka (JP)
|
| (74) |
Representative: Freed, Arthur Woolf et al |
|
Reginald W. Barker & Co., Clifford's Inn, Fetter Lane
London EC4A 1BZ
London EC4A 1BZ (GB) |
|
| |
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| (54) |
Highly heat-conductive aluminium alloy for pressure casting and cast alloy thereof |
(57) A highly heat-conductive alloy for pressure casting is provided including Cu in an
amount of 0.10% or less, Si in an amount of 5% to 16%, Mg in an amount of 0.20% or
less, Zn in an amount of 0.10% or less, Fe in an amount of 0.20% to 1.0%, Mn in an
amount of 0.20% or less, Ni in an amount of 0.05% or less, Ti in an amount of 0.05%
or less, Pb in an amount of 0.06% or less, Sn in an amount of 0.05% or less, Cr in
an amount of 0.10%, and Al forming the balance.