(19)

(11)

EP 0 202 286 A1

(12)

(43) Date of publication: 26.11.1986 Bulletin 1986/48 (21) Application number: 85905827.0 (22) Date of filing: 22.11.1985

(51) International Patent Classification (IPC):  E03D 3/ 10( . ) (86) International application number: PCT/FI1985/000093 (87) International publication number: WO 1986/003241 (05.06.1986 Gazette 1986/12)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 30.11.1984 FI 19840004714 (71) Applicant: KALLIO, Ilkka, Juhani SF-00750 Helsinki (FI)	(72) Inventor: KALLIO, Ilkka, Juhani SF-00750 Helsinki (FI)