(19)

(11)

EP 0 797 722 A2

(12)

(43) Date of publication: 01.10.1997 Bulletin 1997/40 (21) Application number: 95940407.0 (22) Date of filing: 11.12.1995

(51) International Patent Classification (IPC):  E06B 9/ 52( . ) E06B 9/ 58( . ) E06B 9/ 54( . ) (86) International application number: PCT/IT1995/000214 (87) International publication number: WO 1996/018796 (20.06.1996 Gazette 1996/28)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE LI NL PT SE (30) Priority: 16.12.1994 IT 1994TV00139 (71) Applicant: BETTIO S.r.l. 30020 Marcon (Venezia) (IT)	(72) Inventors: BETTIO, Denis I-30020 Marcon (IT) BETTIO, Loris I-30020 Marcon (IT) (74) Representative: D'Agostini, Giovanni, Dr.  D'AGOSTINI ORGANIZZAZIONE Via G. Giusti 17 33100 Udine 33100 Udine (IT)