(19)

(11)

EP 1 038 040 A1

(12)

(43) Date of publication: 27.09.2000 Bulletin 2000/39 (21) Application number: 99947629.4 (22) Date of filing: 17.09.1999

(51) International Patent Classification (IPC)7: C21D 9/00, C21D 9/18, A01B 15/02 (86) International application number: PCT/GB9903/111 (87) International publication number: WO 0022/177 (20.04.2000 Gazette 2000/16)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 14.10.1998 GB 9822392 (71) Applicant: KVERNELAND KLEPP AS N-4344 Kvernaland (NO)	(72) Inventor: ARNOLD, Furre N-4300 Sandnes (NO) (74) Representative: Orr, William McLean  URQUHART-DYKES & LORD5th Floor, Tower HouseMerrion Way LeedsWest Yorkshire, LS2 8PA LeedsWest Yorkshire, LS2 8PA (GB)