(19)

(11)

EP 0 465 505 A1

(12)

(43) Date of publication: 15.01.1992 Bulletin 1992/03 (21) Application number: 90904927.0 (22) Date of filing: 22.03.1990

(51) International Patent Classification (IPC):  B28B 11/ 04( . ) E04C 1/ 41( . ) E04C 1/ 40( . ) E04B 2/ 02( . ) (86) International application number: PCT/IT1990/000032 (87) International publication number: WO 1990/011419 (04.10.1990 Gazette 1990/23)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB LI LU NL SE (30) Priority: 24.03.1989 IT 19890003397 20.09.1989 IT 19890003626 (71) Applicant: MARIANI, Romeo I-40060 Toscanella di Dozza (IT)	(72) Inventor: MARIANI, Romeo I-40060 Toscanella di Dozza (IT) (74) Representative: Dall'Olio, Giancarlo  INVENTION s.n.c. Via del Cestello, 13 I-40124 Bologna I-40124 Bologna (IT)