(19)

(11)

EP 1 320 717 A1

(12)

(43) Date of publication: 25.06.2003 Bulletin 2003/26 (21) Application number: 01972820.3 (22) Date of filing: 28.09.2001

(51) International Patent Classification (IPC)7: F42B 10/40 (86) International application number: PCT/NO0100/398 (87) International publication number: WO 0203/5176 (02.05.2002 Gazette 2002/18)

(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: 29.09.2000 NO 20004927 (71) Applicant: Nammo Raufoss AS 2831 Raufoss (NO)	(72) Inventors: FOSSUMSTUEN, Kai N-2819 Gjovik (NO) ORBEKK, Erland N-2819 Gjovik (NO) (74) Representative: Smith, Norman Ian et al fJ CLEVELAND 40-43 Chancery Lane London WC2A 1JQ London WC2A 1JQ (GB)