(19)

(11)

EP 0 463 034 A1

(12)

(43) Date of publication: 02.01.1992 Bulletin 1992/01 (21) Application number: 90904650.0 (22) Date of filing: 12.03.1990

(51) International Patent Classification (IPC):  E04C 2/ 36( . ) E04F 15/ 06( . ) E04F 15/ 024( . ) (86) International application number: PCT/IT1990/000026 (87) International publication number: WO 1990/010769 (20.09.1990 Gazette 1990/22)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 13.03.1989 IT 19890019751 (71) Applicant: MORETTIN, Enrico I-20085 Locate Triulzi (IT)	(72) Inventor: MORETTIN, Enrico I-20085 Locate Triulzi (IT) (74) Representative: Dr. Ing. A. Racheli & C. S.r.l.  Viale San Michele del Carso, 4 I-20144 Milano I-20144 Milano (IT)