Title:
TYRE FOR MOTORCYCLES
Document Type and Number:
WIPO Patent Application WO/2013/046004
Kind Code:
A3
Abstract:
Tyre for motorcycles, having a tread band (8) comprising a central annular portion (A) symmetrically located astride an equatorial plane (X- X) and two shoulder annular portions (B) located on axially opposite sides with respect to the central annular portion (A). The tread band (8) has a void-to-rubber ratio not greater than 25%. The central annular portion (A) has an axial extension not greater than 65% of the axial development of the tread band (8) and the central portion (A) has at least one module (14) circumferentially repeated. Each shoulder portion (B) has an axial extension not greater than 40% of the axial development of the tread band (8) and the module (14) comprises at least one pair of first grooves (19) with substantially circumferential course, at least partially located on opposite sides with respect to the equatorial plane (X-X). The central annular portion (A) has a void- to-rubber ratio not smaller than 10% and the module (14) comprises a plurality of second grooves (20) located substantially transversal- ly with respect to the equatorial plane (X-X). The substantially transverse second grooves (20) define in each module together with said first grooves at least two tread band solid portions (27). The second grooves (20) have at least one end (24) spaced away from the adjacent first groove (19) by a distance s so as to form a substantially continuous tread portion adapted to connect at least two tread band solid portions (27).
More Like This:
| JP5944746 | Tire |
| WO/2016/190881 | TRUCK TIRE TREAD AND TRUCK TIRE |
| WO/2017/092897 | PNEUMATIC VEHICLE TIRES |
Inventors:
MISANI PIERANGELO (IT)
MARIANI MARIO (IT)
BRIVIO PAOLO (IT)
MONTANARI SILVIO (IT)
MARIANI MARIO (IT)
BRIVIO PAOLO (IT)
MONTANARI SILVIO (IT)
Application Number:
PCT/IB2012/001909
Publication Date:
July 04, 2013
Filing Date:
September 27, 2012
Export Citation:
Assignee:
PIRELLI (IT)
MISANI PIERANGELO (IT)
MARIANI MARIO (IT)
BRIVIO PAOLO (IT)
MONTANARI SILVIO (IT)
MISANI PIERANGELO (IT)
MARIANI MARIO (IT)
BRIVIO PAOLO (IT)
MONTANARI SILVIO (IT)
International Classes:
B60C11/03; B60C11/04; B60C19/00
Domestic Patent References:
| WO2009153821A1 | 2009-12-23 | |||
| WO2011080566A1 | 2011-07-07 |
Foreign References:
| JPH05201207A | 1993-08-10 | |||
| EP2332746A2 | 2011-06-15 | |||
| JP2007331596A | 2007-12-27 |
Attorney, Agent or Firm:
FABIANO, Piero et al. (Via San Gottardo 15, Lugano, CH)
Download PDF: