(19)

(11)

EP 0 437 457 A1

(12)

(43) Date of publication: 24.07.1991 Bulletin 1991/30 (21) Application number: 89910696.0 (22) Date of filing: 26.09.1989

(51) International Patent Classification (IPC):  E05B 47/ 06( . ) E05B 47/ 00( . ) (86) International application number: PCT/SE1989/000517 (87) International publication number: WO 1990/003485 (05.04.1990 Gazette 1990/08)

(84) Designated Contracting States: DE FR GB IT NL SE (30) Priority: 28.09.1988 SE 19880003433 (71) Applicant: MIKROMAX AB S-642 00 Flen (SE)	(72) Inventor: WALLSTRÖM, Olle S-642 00 Flen (SE) (74) Representative: Eriksson, Hans Gustaf  Patentfirman Hans G. Eriksson HB Box 50 S-640 24 Sköldinge S-640 24 Sköldinge (SE)