(19)

(11)

EP 0 453 514 A1

(12)

(43) Date of publication: 30.10.1991 Bulletin 1991/44 (21) Application number: 90903048.0 (22) Date of filing: 09.02.1990

(51) International Patent Classification (IPC):  E04H 6/ 18( . ) (86) International application number: PCT/IT1990/000013 (87) International publication number: WO 1991/006731 (16.05.1991 Gazette 1991/11)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (71) Applicant: ROSSI, Germano I-47023 Cesena (IT)	(72) Inventor: ROSSI, Germano I-47023 Cesena (IT) (74) Representative: Sassatelli, Franco T., Dr.  c/o INIP 5, via Ruggi I-40137 Bologna I-40137 Bologna (IT)