(19)

(11)

EP 0 103 611 A1

(12)

(43) Date of publication: 28.03.1984 Bulletin 1984/13 (21) Application number: 83900979.0 (22) Date of filing: 09.03.1983

(51) International Patent Classification (IPC):  E01F 9/ 015( . ) (86) International application number: PCT/SE1983/000080 (87) International publication number: WO 1983/003110 (15.09.1983 Gazette 1983/21)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 09.03.1982 SE 19820001451 (71) Applicant: DAVINYL FABRIKS AB S-510 95 Dalstorp (SE)	(72) Inventor: SKÖNVALL, Tage S-520 15 Hökerum (SE)