(19)

(11)

EP 0 433 301 A1

(12)

(43) Date of publication: 26.06.1991 Bulletin 1991/26 (21) Application number: 89909183.0 (22) Date of filing: 14.08.1989

(51) International Patent Classification (IPC):  E05B 47/ 06( . ) E05B 63/ 04( . ) E05B 47/ 00( . ) (86) International application number: PCT/EP1989/000966 (87) International publication number: WO 1990/001603 (22.02.1990 Gazette 1990/05)

(84) Designated Contracting States: DE FR GB IT SE (30) Priority: 15.08.1988 SE 19880002898 27.09.1988 SE 19880003413 01.03.1989 SE 19890000696 28.03.1989 SE 19890001053 (71) Applicant: NSI NYA SYSTEM OCH IDEER AB S-112 30 Stockholm (SE)	(72) Inventor: NORDQVIST, Leif S-181 60 Lidingö (SE) (74) Representative: Mossmark, Anders, et al  Albihn West AB, Box 142 S-401 22 Göteborg S-401 22 Göteborg (SE)