(19)

(11)

EP 0 191 101 A1

(12)

(43) Date of publication: 20.08.1986 Bulletin 1986/34 (21) Application number: 85905060.0 (22) Date of filing: 28.08.1985

(51) International Patent Classification (IPC):  F16H 7/ 02( . ) F16H 55/ 17( . ) (86) International application number: PCT/EP1985/000439 (87) International publication number: WO 1986/001570 (13.03.1986 Gazette 1986/06)

(84) Designated Contracting States: DE FR GB (30) Priority: 29.08.1984 IT 19840022447 (71) Applicant: INDUSTRIE PIRELLI S.p.A. I-20123 Milan (IT)	(72) Inventor: TANGORRA, Giorgio I-Monza (MI) (IT) (74) Representative: Dr. Elisabeth Jung Dr. Jürgen Schirdewahn Dipl.-Ing. Claus Gernhardt  Postfach 40 14 68 D-80714 München D-80714 München (DE)