(19)

(11)

EP 0 354 946 A1

(12)

(43) Date of publication: 21.02.1990 Bulletin 1990/08 (21) Application number: 89902095.0 (22) Date of filing: 27.01.1989

(51) International Patent Classification (IPC):  B28B 7/ 00( . ) B28B 7/ 02( . ) (86) International application number: PCT/SE1989/000028 (87) International publication number: WO 1989/007041 (10.08.1989 Gazette 1989/18)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 28.01.1988 SE 19880000277 (71) Applicant: PERCO INDUSTRI- OCH FASTIGHETSBOLAG AB S-103 89 Stockholm (SE)	(72) Inventor: ROSENQUIST, Lars S-198 00 B lsta (SE) (74) Representative: Örtenblad, Bertil Tore  Noréns Patentbyra AB Box 27034 S-102 51 Stockholm S-102 51 Stockholm (SE)