(19)

(11)

EP 0 081 483 A1

(12)

(43) Date of publication: 22.06.1983 Bulletin 1983/25 (21) Application number: 81901819.0 (22) Date of filing: 18.06.1981

(51) International Patent Classification (IPC):  E04H 15/ 06( . ) E04H 15/ 52( . ) (86) International application number: PCT/FI1981/000049 (87) International publication number: WO 1982/004383 (23.12.1982 Gazette 1982/30)

(84) Designated Contracting States: AT CH DE FR GB LI NL SE (71) Applicant: HENTILÄ, Tauno SF-00940 Helsinki 94 (FI)	(72) Inventor: HENTILÄ, Tauno SF-00940 Helsinki 94 (FI)