(19)

(11)

EP 0 760 887 A1

(12)

(43) Date of publication: 12.03.1997 Bulletin 1997/11 (21) Application number: 95934121.0 (22) Date of filing: 29.09.1995

(51) International Patent Classification (IPC):  E04B 7/ 20( . ) E04C 2/ 26( . ) E04D 3/ 35( . ) E04B 7/ 22( . ) E04C 2/ 292( . ) E04D 3/ 362( . ) (86) International application number: PCT/EP1995/003865 (87) International publication number: WO 1996/035028 (07.11.1996 Gazette 1996/49)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE Designated Extension States: SI (30) Priority: 05.05.1995 IT 1995VE00013 (71) Applicant: METECNO S.p.A. I-20067 Tribiano (Milano) (IT)	(72) Inventor: Tognelli, Giorgio 22050 Verderio Superiore (IT) (74) Representative: Piovesana, Paolo  Corso del Popolo, 70 30172 Venezia-Mestre 30172 Venezia-Mestre (IT)