(19)

(11)

EP 0 205 440 A1

(12)

(43) Date of publication: 30.12.1986 Bulletin 1986/52 (21) Application number: 85901129.0 (22) Date of filing: 22.02.1985

(51) International Patent Classification (IPC):  B02C 1/ 02( . ) (86) International application number: PCT/SE1985/000089 (87) International publication number: WO 1985/003887 (12.09.1985 Gazette 1985/20)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 02.03.1984 SE 19840001184 (71) Applicant: EDIFO INDUSTRIKONSULT AB S-931 37 Skelleftea (SE)	(72) Inventor: NILSSON, Dan S-93144 Skelleftea (SE)