(19)

(11)

EP 0 060 853 A1

(12)

(43) Date of publication: 29.09.1982 Bulletin 1982/39 (21) Application number: 81902587.0 (22) Date of filing: 23.09.1981

(51) International Patent Classification (IPC):  A01D 34/ 82( . ) (86) International application number: PCT/SE1981/000276 (87) International publication number: WO 1982/000939 (01.04.1982 Gazette 1982/09)

(84) Designated Contracting States: AT CH DE FR GB LI NL (30) Priority: 24.09.1980 SE 19800000663 30.12.1980 SE 19800009187 (71) Applicant: ANDERSSON, Ivan S-542 00 Mariestad (SE)	(72) Inventor: ANDERSSON, Ivan S-542 00 Mariestad (SE)