(19)

(11)

EP 0 917 610 A1

(12)

(43) Date of publication: 26.05.1999 Bulletin 1999/21 (21) Application number: 97932004.0 (22) Date of filing: 09.07.1997

(51) International Patent Classification (IPC):  E04B 7/ 02( . ) E04C 3/ 07( . ) E04B 9/ 06( . ) E04C 3/ 04( . ) (86) International application number: PCT/IT1997/000160 (87) International publication number: WO 1998/005836 (12.02.1998 Gazette 1998/06)

(84) Designated Contracting States: AT DE FR GB (30) Priority: 06.08.1996 IT 1996PG00019 (71) Applicant: Tosoni, Mario 06029 Valfabbrica (IT)	(72) Inventor: Tosoni, Mario 06029 Valfabbrica (IT)