(19)

(11)

EP 0 787 237 A1

(12)

(43) Date of publication: 06.08.1997 Bulletin 1997/32 (21) Application number: 95935632.0 (22) Date of filing: 13.10.1995

(51) International Patent Classification (IPC):  E04B 2/ 74( . ) (86) International application number: PCT/SE1995/001183 (87) International publication number: WO 1996/012073 (25.04.1996 Gazette 1996/18)

(84) Designated Contracting States: BE DE DK FR GB SE (30) Priority: 18.10.1994 SE 19940003552 (71) Applicant: KINNARPS AB 521 88 Kinnarp (SE)	(72) Inventor: EKBOM, Arne S-521 73 Kinnarp (SE) (74) Representative: Wallengren, Yngvar  Patentbyran Y Wallengren AB Box 116 331 21 Värnamo 331 21 Värnamo (SE)