(19)

(11)

EP 0 383 884 A1

(12)

(43) Date of publication: 29.08.1990 Bulletin 1990/35 (21) Application number: 89909252.0 (22) Date of filing: 17.08.1989

(51) International Patent Classification (IPC):  E03C 1/ 20( . ) E03C 1/ 22( . ) E03F 5/ 06( . ) E02D 29/ 14( . ) E03C 1/ 28( . ) E04D 13/ 04( . ) (86) International application number: PCT/SE1989/000434 (87) International publication number: WO 1990/002232 (08.03.1990 Gazette 1990/06)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 17.08.1988 SE 19880002915 (71) Applicant: AB SJÖBO BRUK S-275 00 Sjöbo (SE)	(72) Inventor: SPANBERG, Sven S-223 56 Lund (SE) (74) Representative: Wagner, Karl Heinz  H. Wagner & Co. AB Norra Vallgatan 72 S-211 22 Malmö S-211 22 Malmö (SE)