(19)

(11)

EP 0 839 243 A1

(12)

(43) Date of publication: 06.05.1998 Bulletin 1998/19 (21) Application number: 96924212.0 (22) Date of filing: 07.06.1996

(51) International Patent Classification (IPC):  E04F 21/ 24( . ) (86) International application number: PCT/SE1996/000751 (87) International publication number: WO 1997/004199 (06.02.1997 Gazette 1997/07)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 19.07.1995 SE 19950002655 (71) Applicant: Scanmaskin Sverige AB 437 22 Lindome (SE)	(72) Inventor: BERGSTRAND, Claes-Göran S-430 41 Kullavik (SE) (74) Representative: Roth, Ernst Adolf Michael, et al  Göteborgs Patentbyra AB, Sjöporten 4 417 64 Göteborg 417 64 Göteborg (SE)