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    Tyre for heavy load vehicle wheels
    1.
    发明授权
    Tyre for heavy load vehicle wheels 有权

    公开(公告)号：US11511571B2

    公开(公告)日：2022-11-29

    申请号：US16317125

    申请日：2017-07-04

    申请人： Pirelli Tyre S.p.A.

    发明人： Tommaso Pizzorno ,  Claudio Minoli ,  Daniele Lorenzetti

    IPC分类号： B60C11/13 ,  B60C11/03

    摘要： Tyre (1) for heavy load vehicle wheels, having a tread band (8) comprising: —a plurality of circumferential grooves (3, 4, 5, 6); —a plurality of transverse grooves (15) extending between two axially consecutive circumferential grooves (3, 4, 5, 6), thus defining a plurality of blocks (21); —each block (21) comprising a radially outer top surface (7) and having a height (M) measured between said top surface and a bottom surface of a respective transverse groove (15); —said transverse grooves (15) comprising a first segment (16) having a width L1 and a second segment (17) having a width L2, where L2

    Car tyre
    2.
    发明授权
    Car tyre 有权

    公开(公告)号：US10933696B2

    公开(公告)日：2021-03-02

    申请号：US14392228

    申请日：2014-07-16

    申请人： PIRELLI TYRE S.P.A.

    发明人： Gianfranco Colombo ,  Roberto Bolzoni ,  Stefano Bizzi ,  Daniele Lorenzetti

    IPC分类号： B60C11/03 ,  B60C11/13

    摘要： A tyre having a tread is described. The tyre has a central portion located across an equatorial plane, a first shoulder portion located towards an outer side of the tyre and a second shoulder portion located towards an inner side of the tyre. The central portion is separated from the first shoulder portion by two first circumferential grooves. The first shoulder portion and the second shoulder portion have a plurality of first transverse grooves having a first end located substantially at the respective edge of the tread, having a width greater than or equal to about 4 mm and an axial extension equal to at least 50% of the width of the shoulder portion in which they are located.