(19)

(11)

EP 0 118 556 A1

(12)

(43) Date of publication: 19.09.1984 Bulletin 1984/38 (21) Application number: 83903148.0 (22) Date of filing: 30.03.1983

(51) International Patent Classification (IPC):  E02F 3/ 40( . ) E02F 3/ 36( . ) (86) International application number: PCT/SE1983/000125 (87) International publication number: WO 1983/003629 (27.10.1983 Gazette 1983/25)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL SE (30) Priority: 07.04.1982 SE 19820002259 (71) Applicant: TOGA SYSTEM AB S-113 22 Stockholm (SE)	(72) Inventor: ERIKSSON, Gösta S-292 00 Karlshamn (SE) (74) Representative: Bjellman, Lennart Olov Henrik, et al  DR. LUDWIG BRANN PATENTBYRA AB Box 1344 S-751 43 Uppsala S-751 43 Uppsala (SE)