(19)

(11)

EP 0 094 411 A1

(12)

(43) Date of publication: 23.11.1983 Bulletin 1983/47 (21) Application number: 82903493.0 (22) Date of filing: 24.11.1982

(51) International Patent Classification (IPC):  B02C 9/ 00( . ) B02C 18/ 12( . ) (86) International application number: PCT/SE1982/000395 (87) International publication number: WO 1983/001913 (09.06.1983 Gazette 1983/14)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 27.11.1981 SE 19810007071 (71) Applicant: PALM, Anna Margareta (Greta) S-826 00 Söderhamn (SE)	(72) Inventor: PALM, Anna Margareta (Greta) S-826 00 Söderhamn (SE) (74) Representative: Bjerkén, Jarl Hakan  Bjerkéns Patentbyra KB P.O.Box 1274 S-801 37 Gävle S-801 37 Gävle (SE)