(19)

(11)

EP 1 470 312 A1

(12)

(43) Date of publication: 27.10.2004 Bulletin 2004/44 (21) Application number: 03734924.8 (22) Date of filing: 16.01.2003

(51) International Patent Classification (IPC)7: E06B 3/46 (86) International application number: PCT/SE2003/000060 (87) International publication number: WO 2003/064800 (07.08.2003 Gazette 2003/32)

(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 SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 30.01.2002 SE 0200252 (71) Applicant: Nordiska Balco AB 352 45 Växjö (SE)	(72) Inventor: BJÖRKMAN, Lars S-352 60 Växjö (SE) (74) Representative: Andersson, Per-Olof  AWAPATENT AB,Box 5117 200 71 Malmö 200 71 Malmö (SE)