| (19) |
 |
|
(11) |
EP 1 166 905 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
02.04.2003 Bulletin 2003/14 |
| (43) |
Date of publication A2: |
|
02.01.2002 Bulletin 2002/01 |
| (22) |
Date of filing: 29.06.2001 |
|
|
| (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: |
|
AL LT LV MK RO SI |
| (30) |
Priority: |
29.06.2000 NL 1015568
11.08.2000 NL 1015921
|
| (71) |
Applicant: Corus Aluminium N.V. |
|
2570 Duffel (BE) |
|
| (72) |
Inventors: |
|
- Dens, Josephus Maria Théophiel
2840 Reet (BE)
- Verboom, ELs
2870 Puurs (BE)
- Baekelandt, Jean Pierre Jules
2500 Koninkshooikt (BE)
- Geibel, Ansgar Maria
2550 Kontich (BE)
|
| (74) |
Representative: Hansen, Willem Joseph Maria |
|
Corus Technology BV Corus Intellectual Property Department PO Box 10000
1970 CA IJmuiden
1970 CA IJmuiden (NL) |
|
| |
|
| (54) |
Method for producing an aluminium sheet |
(57) Method for producing an aluminium sheet with a decorative surface structure on at
least one side, comprising the successive process steps of:
- (a) providing a cold-rolled aluminium sheet of a desired thickness;
- (b) using cold-rolling to apply a surface roughness Ra to at least one side of the
aluminium sheet, in a range from 1.2 to 3.0 microns measured in accordance with DIN
4768.