(19)

(11)

EP 1 299 266 A1

(12)

(43) Date of publication: 09.04.2003 Bulletin 2003/15 (21) Application number: 01958645.2 (22) Date of filing: 10.07.2001

(51) International Patent Classification (IPC)7: B60R 19/34, B62D 21/15, F16F 7/12, B21C 23/14 (86) International application number: PCT/NO0100/295 (87) International publication number: WO 0200/4253 (17.01.2002 Gazette 2002/03)

(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: 10.07.2000 NO 20003555 (71) Applicant: NORSK HYDRO ASA 0240 Oslo (NO)	(72) Inventors: STJERN, Tor, Arne N-2830 Raufoss (NO) TROMBORG, Egil N-7091 Tiller (NO) (74) Representative: Patentanwälte Leinweber & Zimmermann  Rosental 7,II Aufgang 80331 München 80331 München (DE)