(19)

(11)

EP 1 554 458 A1

(12)

(43) Date of publication: 20.07.2005 Bulletin 2005/29 (21) Application number: 03748866.5 (22) Date of filing: 10.10.2003

(51) International Patent Classification (IPC)7: E06B 11/02 (86) International application number: PCT/SE2003/001577 (87) International publication number: WO 2004/033839 (22.04.2004 Gazette 2004/17)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 11.10.2002 SE 0203033 (71) Applicant: Gunnebo Perimeter Protection AB 422 46 Hisings Backa (SE)	(72) Inventor: GUNDERSEN, DagFimtech AS N-3113 Tönsberg (NO) (74) Representative: Cederbom, Hans Erik August et al Cegumark AB,Box 53047 400 14 Göteborg 400 14 Göteborg (SE)