(19)

(11)

EP 0 129 572 A1

(12)

(43) Date of publication: 02.01.1985 Bulletin 1985/01 (21) Application number: 84900055.0 (22) Date of filing: 02.12.1983

(51) International Patent Classification (IPC):  E04C 5/ 06( . ) E04G 21/ 12( . ) (86) International application number: PCT/FI1983/000077 (87) International publication number: WO 1984/002369 (21.06.1984 Gazette 1984/15)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 07.12.1982 FI 19820004194 (71) Applicant: RAKE OY SF-02920 Espoo 92 (FI)	(72) Inventor: JÄRVINEN, Pekka SF-02880 Veikkola (FI)