(19)

(11)

EP 0 791 222 A1

(12)

(43) Date of publication: 27.08.1997 Bulletin 1997/35 (21) Application number: 95929171.0 (22) Date of filing: 23.08.1995

(51) International Patent Classification (IPC):  G21H 1/ 00( . ) G21H 1/ 04( . ) (86) International application number: PCT/GB1995/001989 (87) International publication number: WO 1996/006436 (29.02.1996 Gazette 1996/10)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 23.08.1994 GB 19940016996 13.07.1995 GB 19950014302 (71) Applicant: Visan, Adrian 75016 Paris (FR)	(72) Inventor: Visan, Adrian 75016 Paris (FR) (74) Representative: Wright, Howard Hugh Burnby, et al  Withers & Rogers, 4 Dyer's Buildings Holborn, London EC1N 2JT Holborn, London EC1N 2JT (GB)