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(11)

EP 1 599 300 A1

(12)

(43) Date of publication: 30.11.2005 Bulletin 2005/48 (21) Application number: 04713860.7 (22) Date of filing: 24.02.2004

(51) International Patent Classification (IPC)7: B22D 11/01, B22D 11/124 (86) International application number: PCT/EP2004/001794 (87) International publication number: WO 2004/076096 (10.09.2004 Gazette 2004/37)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 28.02.2003 EP 03450060 (71) Applicant: So & So Sommerhofer OEG 8700 Leoben (AT)	(72) Inventors: SOMMERHOFER, Hubert A-8010 Graz (AT) SOMMERHOFER, Peter A-8010 Graz (AT) (74) Representative: Patentanwälte BARGER, PISO & PARTNER  Mahlerstrasse 9 1010 Wien 1010 Wien (AT)