(19)

(11)

EP 1 246 985 A1

(12)

(43) Date of publication: 09.10.2002 Bulletin 2002/41 (21) Application number: 00976521.5 (22) Date of filing: 10.11.2000

(51) International Patent Classification (IPC)7: E04H 7/18 (86) International application number: PCT/SE0002/207 (87) International publication number: WO 0105/1740 (19.07.2001 Gazette 2001/29)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 10.01.2000 SE 0000038 02.03.2000 SE 0000686 (71) Applicant: ABETONG TEKNIK AB S-351 03 Växjö (SE)	(72) Inventor: KUMLIN, Ulf S-392 30 Kalmar (SE) (74) Representative: Estreen, Lars et al Kransell & Wennborg ABP.O. Box 27834 115 93 Stockholm 115 93 Stockholm (SE)