(19)

(11)

EP 0 746 655 A1

(12)

(43) Date of publication: 11.12.1996 Bulletin 1996/50 (21) Application number: 95910835.0 (22) Date of filing: 08.02.1995

(51) International Patent Classification (IPC):  E04B 1/ 00( . ) (86) International application number: PCT/SE1995/000121 (87) International publication number: WO 1995/022664 (24.08.1995 Gazette 1995/36)

(84) Designated Contracting States: BE DE DK GB NL (30) Priority: 22.02.1994 SE 19940000600 (71) Applicant: NORDISKA BALCO AB S-351 06 Växjö (SE)	(72) Inventor: BJÖRKMAN, Lars 352 60 Växjö (SE) (74) Representative: Andersson, Per-Olof, et al  AWAPATENT AB, Box 5117 200 71 Malmö 200 71 Malmö (SE)