(19)

(11)

EP 0 791 164 A1

(12)

(43) Date of publication: 27.08.1997 Bulletin 1997/35 (21) Application number: 95937226.0 (22) Date of filing: 01.11.1995

(51) International Patent Classification (IPC):  F42B 12/ 48( . ) (86) International application number: PCT/NO1995/000200 (87) International publication number: WO 1996/015421 (23.05.1996 Gazette 1996/23)

(84) Designated Contracting States: AT CH DE DK FR GB LI SE (30) Priority: 11.11.1994 NO 19940004305 (71) Applicant: FORSVARETS FORSKNINGSINSTITUTT 2007 Kjeller (NO)	(72) Inventors: WULVIK, Erik, A. N-2007 Kjeller (NO) HALSNES, Odd N-2007 Kjeller (NO) JAKOBSEN, Lisbeth, S. St. Hanshaugen N-0131 Oslo (NO) (74) Representative: Simonsen, Christian Rosendal, et al  c/o Internationalt Patent-Bureau Hoeje Taastrup Boulevard 23 2630 Taastrup 2630 Taastrup (DK)