(19)

(11)

EP 0 110 886 A1

(12)

(43) Date of publication: 20.06.1984 Bulletin 1984/25 (21) Application number: 83900209.0 (22) Date of filing: 30.12.1982

(51) International Patent Classification (IPC):  B25F 1/ 00( . ) (86) International application number: PCT/SE1982/000443 (87) International publication number: WO 1983/002248 (07.07.1983 Gazette 1983/16)

(84) Designated Contracting States: DE FR GB (30) Priority: 30.12.1981 SE 19810007856 (71) Applicant: SUNDBERG, Ingvar S-141 46 Huddinge (SE)	(72) Inventor: SUNDBERG, Ingvar S-141 46 Huddinge (SE) (74) Representative: Moberg, Sture  Kungstensgatan 48 S-11359 Stockholm S-11359 Stockholm (SE)