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    AGRICULTURAL TYRE
    2.
    发明公开
    AGRICULTURAL TYRE 审中-公开
    LANDWIRTSCHAFTSREIFEN

    公开(公告)号：EP2658732A1

    公开(公告)日：2013-11-06

    申请号：EP10814656.4

    申请日：2010-12-29

    申请人： Pirelli Tyre S.P.A.

    发明人： ZUCATO, Igor ,  CAETANO, José Carlos ,  CARRA, Alberto

    IPC分类号： B60C11/04

    CPC分类号： B60C11/0316 ,  B60C11/0311 ,  B60C2011/0313

    摘要： A pneumatic tyre (100) comprising a carcass structure and a tread disposed in a radially outer position with respect to the carcass structure. The tread has an inner tread and a plurality of spaced lugs (101) outwardly projecting from the inner tread. The spaced lugs extend in a transverse direction from a central portion towards shoulder portions of the tread and a portion of said inner tread comprised between a first and a second lug, circumferentially consecutive, has at least a first axially- inner surface (102a) and a second axially- outer surface (102b). The second axially- outer surface is disposed at least partially at a different radial height with respect to the first axially- inner surface. The second axially- outer surface is positioned in accordance with different radial heights in such a way as to have a minimum radial height towards the second lug and a maximum radial height towards the first lug.

    摘要翻译： 一种充气轮胎（100），其包括胎体结构和设置在相对于胎体结构的径向外侧位置的胎面。 胎面具有内胎面和从内胎面向外突出的多个隔开的凸耳（101）。 间隔开的凸耳从中心部分朝向胎面的肩部部分的横向方向延伸，并且包括在第一和第二凸缘之间的周向连续的所述内胎面的一部分具有至少第一轴向内表面（102a）和 第二轴向外表面（102b）。 第二轴向外表面至少部分地设置在相对于第一轴向内表面的不同的径向高度。 第二轴向外表面根据不同的径向高度被定位成使得具有朝向第二凸耳的最小径向高度和朝向第一凸耳的最大径向高度。

    AGRICULTURAL TYRE
    4.
    发明公开
    AGRICULTURAL TYRE 有权
    农业轮胎

    公开(公告)号：EP2531362A1

    公开(公告)日：2012-12-12

    申请号：EP10707795.0

    申请日：2010-02-05

    申请人： Pirelli Tyre S.p.A.

    发明人： ZUCATO, Igor ,  GONÇALVES, Eduardo Pinheiro

    IPC分类号： B60C11/13 ,  B60C11/113

    CPC分类号： B60C11/0316

    摘要： The self-cleaning capability of a tyre (100) adapted for agricultural and/or tractor use is greatly improved by creating a discontinuity between circumferentially adjacent tread surface portions (102a, 102b) located between circumferentially consecutive lugs (101). The created discontinuity (103) extends between the lugs, without joining to the lugs themselves. The discontinuity extends in transverse direction, for example in direction substantially parallel to the direction followed by the lugs. Such discontinuity can be created by joining, at the adjacency thereof, tread surface portions located at different radial heights.