(19)

(11)

EP 0 208 759 A1

(12)

(43) Date of publication: 21.01.1987 Bulletin 1987/04 (21) Application number: 86900833.0 (22) Date of filing: 10.01.1986

(51) International Patent Classification (IPC):  E04H 6/ 22( . ) (86) International application number: PCT/IT1986/000004 (87) International publication number: WO 1986/004107 (17.07.1986 Gazette 1986/17)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 10.01.1985 IT 19850047537 (71) Applicant: PIETROPAOLI, Paolo I-04010 Aprilia (IT)	(72) Inventor: PIETROPAOLI, Paolo I-04010 Aprilia (IT) (74) Representative: Sarpi, Maurizio  Studio FERRARIO Via Collina, 36 I-00187 Roma I-00187 Roma (IT)