TIRE HAVING AN EVOLVING ASYMMETRIC TREAD PATTERN
    31.
    发明申请
    TIRE HAVING AN EVOLVING ASYMMETRIC TREAD PATTERN 审中-公开
    具有演示非对称轨迹图案的轮胎

    公开(公告)号:US20160229229A1

    公开(公告)日:2016-08-11

    申请号:US15021648

    申请日:2014-08-05

    Abstract: Passenger vehicle tire having a tread extended on either side by sidewalls, this tread being provided with an asymmetric tread pattern with respect to a median plane that divides this tread into two parts with the same axial width, this axial width being measured in a direction parallel to the axis of rotation, an external part and an internal part, this external part being situated between this median plane and the sidewall intended to be positioned on the outside of a vehicle, and the internal part being situated between the same plane and the sidewall intended to be positioned towards the inside of the same vehicle, the internal part and the external part each having at least one void that forms a groove or is intended to form a groove when the tread has partially worn away, these voids defining, in the new state and for each (internal and external) part, a total voids volume Vi0 and Ve0, respectively, and a voids surface ratio Ti0 and Te0, respectively, these ratios being other than zero and such that, in the new state, there is a ratio R0 between the voids volume of the internal part and the voids volume of the external part, and for each degree of wear (U) chosen between the initial state and the wear limit of the tread there is a ratio RU between the voids volume of the internal part and the voids volume of the external part, this tire being characterized in that the ratio RU is greater than the ratio R0 at least starting from a degree of wear of 80% measured over the thickness of the tread to be worn away.

    Abstract translation: 具有胎面在任一侧通过侧壁延伸的胎面胎面,该胎面相对于将该胎面分成具有相同轴向宽度的两个部分的中间平面设置有不对称胎面花纹,该轴向宽度在平行的方向上被测量 旋转轴线,外部部分和内部部分,该外部部分位于该中间平面和旨在定位在车辆外侧的侧壁之间,并且内部部分位于同一平面和侧壁之间 旨在朝向相同车辆的内部定位,内部部件和外部部件各自具有形成凹槽的至少一个空隙或者当胎面部分磨损时形成凹槽,这些空隙限定在 新状态和每个(内部和外部)部分,分别为总空隙体积Vi0和Ve0以及空隙表面比率Ti0和Te0,这些比率分别为 n为零,并且使得在新状态下,内部部分的空隙体积与外部部分的空隙体积之间存在比率R0以及在初始状态和磨损之间选择的每个磨损程度(U) 胎面的极限存在内部部分的空隙体积和外部部分的空隙体积之间的比率RU,该轮胎的特征在于,比率RU大于至少从磨损程度开始的比率R0 在胎面的厚度上测量80%要磨损。

    PNEUMATIC TIRE
    32.
    发明申请
    PNEUMATIC TIRE 审中-公开
    气动轮胎

    公开(公告)号:US20160221397A1

    公开(公告)日:2016-08-04

    申请号:US15021347

    申请日:2014-09-24

    Abstract: A pneumatic tire 1 is provided in a tread portion 2 with center blocks 22 divided by a center main groove 10, middle main grooves 11, and center lateral grooves 21; middle blocks 32 divided by the middle main grooves 11, shoulder main grooves 12, and middle lateral grooves 31; and shoulder blocks 42 divided by the shoulder main grooves 12, tread edges Te, and shoulder lateral grooves 41. The groove width WA of the center lateral grooves 21 is equal to the groove width WB of the middle lateral grooves 31. The ratio WC/WA of the groove width WC of the shoulder lateral grooves 41 and the groove width WA of the center lateral grooves 21 is 1.3 to 2.3.

    Abstract translation: 充气轮胎1设置在胎面部2中,中心块22由中心主槽10,中间主槽11和中心横向槽21分开。 中间块32由中间主槽11,肩部主槽12和中间横向槽31分隔开; 以及由肩部主沟槽12,胎面边缘Te和肩部横向槽41分开的肩部块42.中间横向槽21的槽宽度WA等于中间横向槽31的槽宽度WB。比率WC / 肩部横向槽41的槽宽度WC的WA和中心横向槽21的槽宽度WA为1.3〜2.3。

    HEAVY DUTY PNEUMATIC TIRE
    33.
    发明申请
    HEAVY DUTY PNEUMATIC TIRE 审中-公开
    重型气动轮胎

    公开(公告)号:US20160193883A1

    公开(公告)日:2016-07-07

    申请号:US14975092

    申请日:2015-12-18

    Abstract: A heavy duty pneumatic tire 1 comprises a tread portion 2 provided with a crown land portion 6 formed between a center main groove 3 and a middle main groove 4 and having an axial width varying periodically in the tire circumferential direction. The center main groove 3 comprises first oblique groove segments 3A inclined with respect to the tire circumferential direction to one axial direction at an angle, and second oblique groove segments 3B inclined with respect to the tire circumferential direction to the other axial direction at an angle less than the angle of the first oblique groove segments. The crown land portion 6 is divided into hexagonal crown blocks 11 by crown lateral grooves 9 extending between axially inwardly protruding zigzag vertex portions of the center main groove 3 and axially outwardly protruding zigzag vertex portions of the middle main groove 4. The crown lateral grooves 9 and the first oblique groove segments 3A are inclined with respect to the tire axial direction to one circumferential direction.

    Abstract translation: 重型充气轮胎1包括胎面部分2,胎面部分2设置有形成在中心主槽3和中间主槽4之间并具有在轮胎周向上周期性变化的轴向宽度的胎冠部分6。 中心主槽3包括相对于轮胎周向相对于一个轴向倾斜一角度的第一倾斜槽段3A和相对于轮胎周向相对于另一轴向方向倾斜的角度较小的第二斜槽区段3B 比第一斜槽段的角度大。 冠部地面部分6通过在中心主槽3的轴向向内突出的之字形顶点部分和中间主槽4的轴向向外突出的之字形顶点部分之间延伸的冠部横向槽9分成六角形冠形块体11。 并且第一斜槽段3A相对于轮胎轴向相对于一个圆周方向倾斜。

    PNEUMATIC TIRE
    34.
    发明申请
    PNEUMATIC TIRE 审中-公开
    气动轮胎

    公开(公告)号:US20160144668A1

    公开(公告)日:2016-05-26

    申请号:US14898196

    申请日:2014-06-27

    Inventor: Ryo OBA

    Abstract: To provide a pneumatic tire which is improved in on-snow performance, while maintaining steering stability on dry road surface. The pneumatic tire is provided in a tread portion 2 with a pair of shoulder main grooves 3, a center main groove 4, shoulder land portions 6, and middle land portions 5. The middle land portions 5 are provided with middle lateral grooves 10 extending from the shoulder main grooves 3 toward the inside in the tire axial direction, while gradually decreasing the angle with respect to tire circumferential direction. The middle lateral groove 10 is provided with a groove bottom sipe 15 opened in the groove bottom.

    Abstract translation: 提供一种改进了雪地性能的充气轮胎,同时在干路面上保持转向稳定性。 充气轮胎设置在具有一对台肩主槽3,中央主槽4,胎肩接地部6以及中间陆部5的胎面部2中。中间地面部5设置有从中间侧面槽10延伸的中间侧面槽10 肩部主槽3在轮胎轴向方向上朝向内侧逐渐减小相对于轮胎周向的角度。 中间横向槽10设置有在槽底部开口的槽底槽15。

    TIRE
    35.
    发明申请
    TIRE 审中-公开

    公开(公告)号:US20160137006A1

    公开(公告)日:2016-05-19

    申请号:US14898546

    申请日:2014-07-09

    Abstract: A tire includes a plurality of land portions defined by a plurality of circumferential grooves, and each of the plurality of land portions has a plurality of lateral grooves crossing the land portion. Each of the plurality of lateral grooves is made up of a center region extending at an angle of inclination relative to a tread width direction and side regions extending at a smaller angle of inclination relative to the tread width direction than the center region, the side regions increasing in groove width toward the respective circumferential grooves. Each of the plurality of lateral grooves has a sipe having, only in the center region, a shallow portion with a smaller depth, the shallow portion being located at least near a boundary part between the center region and each of the side regions with a starting point of the shallow portion being apart from the boundary part.

    Abstract translation: 轮胎包括由多个周向槽限定的多个陆部,并且所述多个陆部中的每一个具有与所述陆部交叉的多个横向槽。 多个横向槽中的每一个由相对于胎面宽度方向以倾斜角延伸的中心区域和相对于胎面宽度方向以比中心区域更小的倾斜角度延伸的侧部区域构成,侧面区域 槽宽度朝着各个周向槽增加。 多个横向槽中的每一个具有刀槽花纹,其仅在中心区域具有较浅深度的浅部,浅部至少位于中心区域和每个侧部区域之间的边界部分处,起始点 浅部分与边界部分分开。

    Pneumatic tire
    36.
    发明授权
    Pneumatic tire 有权
    气动轮胎

    公开(公告)号:US09315075B2

    公开(公告)日:2016-04-19

    申请号:US13793641

    申请日:2013-03-11

    Inventor: Atsushi Maehara

    Abstract: A pneumatic tire comprises a tread portion with a land ratio of from 75% to 80%, the tread portion provided with crown main grooves having groove widths of 2.0-8.0 mm and groove depths of 15.0-20.0 mm, shoulder main grooves having groove widths of from 8.0-14.0 mm and groove depths of from 15.0-20.0 mm and lateral narrow grooves with groove widths of 0.6-2.0 mm and groove depths of 15.0-20.0 mm, wherein each main groove has a cross section including a groove bottom and groove walls, each groove wall includes an inner part and an outer part, the inner part has an inclination of not more than 1 degree with respect to a groove centerline, and the outer part has an inclination larger than that of the inner part.

    Abstract translation: 一种充气轮胎,其特征在于,具有:胎面部,所述胎面部分具有75%〜80%的胎面部,所述胎面部具有槽宽度为2.0〜8.0mm,槽深度为15.0〜20.0mm的胎冠主槽, 为8.0-14.0mm,槽深度为15.0-20.0mm,槽宽度为0.6-2.0mm,槽深度为15.0-20.0mm的横向窄槽,其中每个主槽具有包括槽底和槽的横截面 每个槽壁包括内部部分和外部部分,内部部分相对于槽中心线具有不大于1度的倾斜度,并且外部部分具有大于内部部分的倾斜度。

    Pneumatic tire
    37.
    发明授权
    Pneumatic tire 有权
    气动轮胎

    公开(公告)号:US09302548B2

    公开(公告)日:2016-04-05

    申请号:US13962143

    申请日:2013-08-08

    Abstract: A pneumatic tire comprises an asymmetric tread pattern with a designated install direction to a vehicle having an outboard tread edges, the tread pattern having an outboard tread portion between the outboard tread edge and a tire equator and provided with an outer main groove, the outer main groove having a cross section comprising a bottom with a depth of 5.5 to 6.5 mm, and axially inner and outer groove walls each extending from the bottom to a tread contact surface, respectively, at least one of groove walls having a stepwise shape comprising a radially inner portion extending from the bottom with a height of 2.0 to 4.0 mm, an axially extending stepped portion extending from the radially inner portion with a length of 0.75 to 1.25 mm, and a radially outer portion between the stepped portion and the tread contact surface.

    Abstract translation: 一种充气轮胎包括具有指定的安装方向的非对称胎面花纹,具有外侧胎面边缘的车辆,胎面花纹在外侧胎面边缘和轮胎赤道之间具有外侧胎面部分,并且设置有外主槽,外主体 具有包括深度为5.5至6.5mm的底部的横截面的凹槽以及分别从底部延伸到胎面接触表面的轴向内部和外部凹槽壁,至少一个具有逐步形状的凹槽壁包括径向 从底部延伸的高度为2.0至4.0mm的内部部分,从径向内部延伸的长度为0.75至1.25mm的轴向延伸的阶梯部分,以及在阶梯部分和胎面接触表面之间的径向外部。

    Pneumatic tire
    38.
    发明授权
    Pneumatic tire 有权
    气动轮胎

    公开(公告)号:US09302547B2

    公开(公告)日:2016-04-05

    申请号:US13958084

    申请日:2013-08-02

    Inventor: Susumu Tanaka

    Abstract: A pneumatic tire comprises a tread portion divided by three circumferentially continuously extending main grooves into two crown land portions and two shoulder land portions. The axial width W2 of the shoulder land portion is 1.15 to 2.0 times the axial width W1 of the crown land portion. Crown axial grooves disposed in the crown land portions have a groove width of at most 2 mm and are inclined to the opposite direction to the inclining direction of the radially outermost belt ply cords. Shoulder axial grooves disposed in the shoulder land portions are inclined to the same direction as the inclining direction of the radially outermost belt ply cords. Each of the shoulder axial grooves is not connected to the main groove or alternatively connected to the main groove through a narrow part having a width of 1.2 mm or less.

    Abstract translation: 一种充气轮胎,其特征在于,包括:胎面部,其由三个周向连续延伸的主槽分割成两个胎冠部和两个胎肩部。 胎肩接地部的轴向宽度W2为胎冠部的轴向宽度W1的1.15〜2.0倍。 设置在胎冠部分中的冠部轴向槽具有至多2mm的槽宽度,并且沿与径向最外侧的带束帘布层帘线帘线的倾斜方向相反的方向倾斜。 设置在胎肩接地部的肩部轴向槽沿与径向最外侧带束帘布帘线的倾斜方向相同的方向倾斜。 每个胎肩轴向槽不连接到主槽,或者通过宽度为1.2mm或更小的窄部分交替地连接到主槽。

    PNEUMATIC TIRE
    39.
    发明申请
    PNEUMATIC TIRE 审中-公开
    气动轮胎

    公开(公告)号:US20160075184A1

    公开(公告)日:2016-03-17

    申请号:US14786634

    申请日:2014-04-21

    Inventor: Keiichi KATO

    Abstract: A pneumatic tire includes, in an inner land (4) portion, a first resonator (9) made up of a first sub-groove (9a), a first branch groove (9b) opening to one of two inner circumferential main grooves (2), and a first branch groove (9c) opening to the other one of the two inner circumferential main grooves (2), and also includes, in an external land portion (5), a second resonator (11) made up of a second sub-groove (11a) and a second branch groove (11b) that is opening to one of two external circumferential main grooves (3) and a third resonator (12) made up of a third sub-groove (12a) and a third branch groove (12b) that is opening to the other one of the two external circumferential main grooves (3). The second resonator (11) and the third resonator (12) have groove widths smaller than the groove width of the first resonator (9).

    Abstract translation: 一种充气轮胎在内胎面(4)中包括由第一子槽(9a)构成的第一共振器(9),通向两个内周主槽(2)中的一个的第一分支槽 )和与所述两个内周主槽(2)中的另一个相通的第一分支槽(9c),并且在外部接地部(5)中还包括第二谐振器(11),所述第二谐振器 以及由第三子槽(12a)和第三分支(12a)构成的两个外周主槽(3)和第三共振器(12)中的一个开口的副槽(11a)和第二分支槽(11b) 所述两个外周主槽(3)中的另一个开口的槽(12b)。 第二谐振器(11)和第三谐振器(12)的沟槽宽度小于第一谐振器(9)的沟槽宽度。

    Pneumatic vehicle tyre for utility vehicles
    40.
    发明授权
    Pneumatic vehicle tyre for utility vehicles 有权
    多用途车用气动轮胎

    公开(公告)号:US09272580B2

    公开(公告)日:2016-03-01

    申请号:US13641326

    申请日:2011-02-14

    Abstract: The invention relates to a pneumatic vehicle tire for utility vehicles having a belt which has a plurality of belt layers and having a tread (1) with circumferential grooves (6, 7, 8) which run in the circumferential direction and divide the tread (1) into circumferential ribs (2). An envelope h which runs parallel to the periphery of the tread in the tread (1) and is in contact with the deepest circumferential groove or grooves from the radially inner side, defines, together with the periphery of the tread and the shoulder-side edge sections (5), a tread gross volume (V), wherein all the grooves (6,7,8) in the tread (1) define a groove volume (VR) between 5% and 28% of the tread gross volume (V), wherein three circumferential grooves (6,7,8) are provided which are arranged over the axial width of the tread (1) in such a way that the first circumferential groove (6) is arranged in the region of the one edge (10) of the widest belt layer, the second circumferential groove (7) is arranged in the region of the other edge (11) of the widest belt layer of the belt, and the third circumferential groove (8) is arranged between the first circumferential groove (6) and the second circumferential groove (7) in the tread (1), and wherein the first and second circumferential grooves (6, 7) each have a groove volume (VR1,2) between 1.25% and 7.00% of the tread gross volume (V), and the third circumferential groove (8) has a groove volume (VR3) of the first or of the second circumferential groove which is at least twice as large.

    Abstract translation: 本发明涉及一种用于多用途车辆的气动车辆轮胎,其具有带,该带具有多个带束层,并且具有胎面(1),该胎面沿圆周方向延伸并且分隔胎面(1) )到圆周肋(2)中。 在胎面(1)中平行于胎面的周边延伸并且与径向内侧的最深的周向槽或槽接触的包络线h与胎面和胎肩侧边缘的周边一起形成 (5),胎面总体积(V),其中胎面(1)中的所有凹槽(6,7,8)限定胎面总体积的V%的5%和28%之间的槽体积(V R) ),其中设置有三个周向槽(6,7,8),其布置在胎面(1)的轴向宽度上,使得第一周向槽(6)布置在一个边缘的区域 10),第二周向槽(7)布置在带的最宽带束层的另一个边缘(11)的区域中,并且第三周向槽(8)布置在第一周向槽 在胎面(1)中的槽(6)和第二周向槽(7),并且其中第一和第二周向 槽(6,7)各自具有在胎面总体积(V)的1.25%至7.00%之间的槽体积(VR1,2),并且第三周向沟槽(8)具有第一或第二环形槽的槽体积(VR3) 的第二圆周槽的尺寸至少是两倍。

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