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    Heavy duty pneumatic tires preventing uneven wearing
    1.
    发明公开
    Heavy duty pneumatic tires preventing uneven wearing 失效
    重型气动轮胎预防未来的磨损

    公开(公告)号：EP0313361A3

    公开(公告)日：1990-01-10

    申请号：EP88309881.6

    申请日：1988-10-20

    申请人： Bridgestone Corporation

    发明人： Kukimoto, Takashi ,  Aoki, Yasutoshi ,  Yamagishi, Naoto ,  Usui, Shinji

    IPC分类号： B60C11/06

    CPC分类号： B60C11/1369 ,  B60C11/042 ,  B60C11/047 ,  Y10S152/03 ,  Y10S152/901

    摘要： An uneven wear-resisting heavy duty pneumatic tire comprises main grooves (1) continuously extending in the tread of the tire along the circumference thereof, land portions (2) separated by the main grooves, and stepped zones (3) each provided in the land. Each stepped zone has a surface located radially inside of the tread by a step as viewed sectionally. Each of said stepped zones is separated from the adjacent land portions via a pair of circumferentially extending narrow grooves (4) or cuts. An uneven wearing-sacrificing portion is formed by the surface of the stepped zone. The uneven wear-sacrificed portion slide-contacts with the tread within the tread ground-contacting area for supporting the load exerted upon the tire. (Figure 1b).

    Pneumatic radial tires
    2.
    发明公开
    Pneumatic radial tires 失效
    Gürtelreifen。

    公开(公告)号：EP0256794A2

    公开(公告)日：1988-02-24

    申请号：EP87306994.2

    申请日：1987-08-06

    申请人： Bridgestone Corporation

    发明人： Kukimoto, Takashi

    IPC分类号： B60C3/06 ,  B60C11/00 ,  B60C11/01 ,  B60C9/30

    CPC分类号： B60C11/0083 ,  B60C3/06 ,  B60C11/00 ,  B60C11/01 ,  B60C11/0304 ,  B60C2011/0388

    摘要： A pneumatic radial tire having a tread (1) of asymmetrical profile is disclosed. A circumferential location at which the tread has its maximum outer diameter is deviated from the tire equator outwardly opposite to the side on which the tire is to be mounted to a vehicle, by a distance L equal to from 0.05 to 0.30 times the width W of the tread. A ratio of d₂/d₁ is equal to from 0.98 to 1.00 in which d₁ and d₂ are diameters of shoulders (2, 2ʹ) of the tread on the mounted tire outer side and mounted tire inner side, respectively. The susceptibility of the tires to uneven wear such as shoulder drop uneven wear, river wear and one side wear is improved.

    摘要翻译： 公开了一种具有不对称轮廓的胎面（1）的充气子午线轮胎。 胎面具有最大外径的周向位置从与要安装轮胎的一侧向外相对的轮胎赤道偏离车辆，距离L等于宽度W的0.05至0.30倍 胎面 d2 / d1的比值等于0.98至1.00，其中d1和d2分别是安装的轮胎外侧上的胎面的肩部（2,2'）和安装的轮胎内侧的直径。 轮胎对不均匀磨损（如肩部下降不均匀磨损，河流磨损和单侧磨损）的敏感性得到改善。

    Pneumatic radial tires
    3.
    发明公开
    Pneumatic radial tires 失效
    气动辐射轮胎

    公开(公告)号：EP0256794A3

    公开(公告)日：1989-11-15

    申请号：EP87306994.2

    申请日：1987-08-06

    申请人： Bridgestone Corporation

    发明人： Kukimoto, Takashi

    IPC分类号： B60C3/06 ,  B60C11/00 ,  B60C11/01 ,  B60C9/30

    CPC分类号： B60C11/0083 ,  B60C3/06 ,  B60C11/00 ,  B60C11/01 ,  B60C11/0304 ,  B60C2011/0388

    摘要： A pneumatic radial tire having a tread (1) of asymmetrical profile is disclosed. A circumferential location at which the tread has its maximum outer diameter is deviated from the tire equator outwardly opposite to the side on which the tire is to be mounted to a vehicle, by a distance L equal to from 0.05 to 0.30 times the width W of the tread. A ratio of d₂/d₁ is equal to from 0.98 to 1.00 in which d₁ and d₂ are diameters of shoulders (2, 2ʹ) of the tread on the mounted tire outer side and mounted tire inner side, respectively. The susceptibility of the tires to uneven wear such as shoulder drop uneven wear, river wear and one side wear is improved.

    Heavy duty pneumatic tires preventing uneven wearing
    5.
    发明公开
    Heavy duty pneumatic tires preventing uneven wearing 失效
    LuftreifenfürLKW ohneunregelmässigeAbnutzung。

    公开(公告)号：EP0313361A2

    公开(公告)日：1989-04-26

    申请号：EP88309881.6

    申请日：1988-10-20

    申请人： Bridgestone Corporation

    发明人： Kukimoto, Takashi ,  Aoki, Yasutoshi ,  Yamagishi, Naoto ,  Usui, Shinji

    IPC分类号： B60C11/06

    CPC分类号： B60C11/1369 ,  B60C11/042 ,  B60C11/047 ,  Y10S152/03 ,  Y10S152/901

    摘要： An uneven wear-resisting heavy duty pneumatic tire comprises main grooves (1) continuously extending in the tread of the tire along the circumference thereof, land portions (2) separated by the main grooves, and stepped zones (3) each provided in the land. Each stepped zone has a surface located radially inside of the tread by a step as viewed sectionally. Each of said stepped zones is separated from the adjacent land portions via a pair of circumferentially extending narrow grooves (4) or cuts. An uneven wearing-sacrificing portion is formed by the surface of the stepped zone. The uneven wear-sacrificed portion slide-contacts with the tread within the tread ground-contacting area for supporting the load exerted upon the tire. (Figure 1b).

    摘要翻译： 不平整的耐磨重型充气轮胎包括主轮（1），其沿着轮胎的胎面在轮胎的胎面中连续延伸，由主槽分隔的陆部（2）和分别设置在地面上的台阶（3） 。 每个台阶区域具有位于胎面径向内侧的表面，如图所示。 每个所述台阶区域通过一对周向延伸的窄槽（4）或切口与相邻的陆部分离。 不均匀的磨损部分由台阶区域的表面形成。 不均匀磨损牺牲部分在胎面接地区域内与胎面滑动接触，用于支撑施加在轮胎上的负载。 （图1b）。

    Heavy duty pneumatic tires
    6.
    发明公开
    Heavy duty pneumatic tires 失效
    重型充气轮胎

    公开(公告)号：EP0721853A1

    公开(公告)日：1996-07-17

    申请号：EP96300123.5

    申请日：1996-01-08

    申请人： Bridgestone Corporation

    发明人： Kukimoto, Takashi

    IPC分类号： B60C11/03 ,  B60C11/04

    CPC分类号： B60C11/0302 ,  B60C11/0304 ,  B60C11/0306 ,  B60C11/0309 ,  B60C11/0323 ,  B60C11/12 ,  B60C2011/0337 ,  B60C2011/0374 ,  B60C2011/1209

    摘要： A heavy duty pneumatic tire (1) having a directional pattern defined by arranging plural pairs of main grooves (5a, 5b) at a given interval along a circumference (6) of the tire, in which the main grooves (5a, 5b) extend from a central zone of a ground contact region (3) of a tread toward both side ends (4a, 4b) of the tread in a diverging direction, and each main groove is provided in at least one groove wall (7a, 7b) with a gouge portion (9) enlarging the groove bottom (8).

    摘要翻译： 本发明提供一种重载用充气轮胎（1），其具有沿着轮胎的圆周（6）以规定间隔配置多对主槽（5a，5b）而成的方向图案，主槽（5a，5b） 从胎面的地面接触区域（3）的中心区域沿分叉方向朝向胎面的两个侧端（4a，4b），并且每个主槽在至少一个槽壁（7a，7b）中设有 扩大凹槽底部（8）的凿形部分（9）。