(19)

(11)

EP 0 930 958 A1

(12)

(43) Date of publication: 28.07.1999 Bulletin 1999/30 (21) Application number: 97916664.0 (22) Date of filing: 21.02.1997

(51) International Patent Classification (IPC):  B25H 5/ 00( . ) (86) International application number: PCT/NO1997/000058 (87) International publication number: WO 1998/015391 (16.04.1998 Gazette 1998/15)

(84) Designated Contracting States: AT CH DE DK ES FI FR GB IT LI PT SE (30) Priority: 07.10.1996 NO 19960004246 (71) Applicant: Grimstad, Borge 9250 Bardu (NO)	(72) Inventor: Grimstad, Borge 9250 Bardu (NO) (74) Representative: Lind, Charles Leo, et al  c/o Linds Patentbureau Ellekrattet 20 2950 Vedbaek 2950 Vedbaek (DK)