(19)

(11)

EP 0 725 881 A1

(12)

(43) Date of publication: 14.08.1996 Bulletin 1996/33 (21) Application number: 93910519.0 (22) Date of filing: 10.05.1993

(51) International Patent Classification (IPC):  E05G 1/ 024( . ) G08B 13/ 12( . ) E05G 1/ 10( . ) (86) International application number: PCT/SE1993/000412 (87) International publication number: WO 1993/023648 (25.11.1993 Gazette 1993/28)

(84) Designated Contracting States: DE DK ES FR GB IT SE (30) Priority: 11.05.1992 SE 19920001483 (71) Applicant: LINDSKOG, Kjell Jan-Erik S-931 39 Skellefteä (SE)	(72) Inventor: LINDSKOG, Kjell Jan-Erik S-931 39 Skellefteä (SE) (74) Representative: Körber, Wolfhart, Dr. rer.nat.  Patentanwälte Mitscherlich & Partner, Sonnenstrasse 33 80331 München 80331 München (DE)