公开(公告)号：US09919565B2

公开(公告)日：2018-03-20

申请号：US14914301

申请日：2014-08-14

Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN ,  MICHELIN RECHERCHE ET TECHNIQUE S.A.

Inventor： Frédéric Bourgeois ,  François-Xavier Bruneau ,  Patrice Fraysse ,  Emmanuel Igier

IPC: B60C11/00 ,  B60C1/00 ,  B60C11/03 ,  B60C11/04

CPC classification number: B60C11/0008 ,  B60C1/0016 ,  B60C11/0041 ,  B60C11/005 ,  B60C11/0058 ,  B60C11/0066 ,  B60C11/0302 ,  B60C11/04 ,  B60C2011/0025 ,  B60C2011/0313 ,  B60C2011/0341 ,  B60C2011/039

Abstract: Tire tread has a central rib (411-413) and two lateral ribs (421-422) which are separated by circumferential grooves (141-144). A first lateral rib (421) adjacent to the outer axial edge of the tread and a central rib have a first portion (4211, 4111, 4121, 4131) the axial width of which exceeds 20% of the axial width of the relevant rib made from a first rubber composition containing an elastomer and a reinforcing filler consisting predominantly of carbon black, and an axially adjacent second portion (4212, 4112, 4122, 4132) made of a second rubber composition containing an elastomer and a reinforcing filler a minority proportion of which consists of carbon black. The second rubber composition has a tan d0 value which is less than the tan d0 value of the first rubber composition, the tan d0 values being measured at a temperature of 0 C and under a stress of 0.7 MPa.

公开(公告)号：US20150090381A1

公开(公告)日：2015-04-02

申请号：US14261108

申请日：2014-04-24

Applicant: Toyo Tire & Rubber Co., Ltd.

Inventor： Kazuo Shimomura

IPC: B60C11/00 ,  B29C47/06 ,  B29C47/00

CPC classification number: B60C11/0041 ,  B29C47/0019 ,  B29C47/003 ,  B29C47/0064 ,  B29C47/06 ,  B29C47/065 ,  B29C47/367 ,  B29C47/56 ,  B29C2947/9258 ,  B29C2947/9259 ,  B29C2947/92885 ,  B29C2947/92933 ,  B29C2947/92952 ,  B29D30/3028 ,  B29D30/3035 ,  B29D30/60 ,  B29K2021/00 ,  B60C11/0008 ,  B60C11/0066 ,  B60C2011/0025 ,  B60C2011/0091

Abstract: A method of manufacturing a pneumatic tire has a winding step of forming a rubber ribbon winding body constructing a tread rubber by spirally winding a rubber ribbon obtained by co-extruding a first rubber and a second rubber which are different in hardness. The first rubber is mainly arranged in a first area by making a cross sectional area ratio of the first rubber greater than that of the second rubber. The second rubber is mainly arranged in a second area by making the cross sectional area ratio of the first rubber smaller than that of the second rubber. A portion in which the cross sectional area ratio of the first rubber becomes smaller by smaller is provided from the first area toward the second area. The rubber ribbon retaining a compound interface is superposed and wound to at least a part of the second area.

Abstract translation: 一种制造充气轮胎的方法具有卷绕步骤，通过螺旋卷绕通过共挤出硬度不同的第一橡胶和第二橡胶而获得的橡胶条，形成构成胎面橡胶的橡胶带卷绕体。 第一橡胶通过使第一橡胶的横截面积大于第二橡胶的横截面积比而主要布置在第一区域中。 第二橡胶主要通过使第一橡胶的横截面积比第二橡胶的横截面积小，而排列在第二区域。 从第一区域向第二区域设置第一橡胶的截面积比变小的部分。 保持复合界面的橡胶带叠置并缠绕到第二区域的至少一部分。

公开(公告)号：US20140238562A1

公开(公告)日：2014-08-28

申请号：US14148177

申请日：2014-01-06

Applicant: TOYO TIRE & RUBBER CO., LTD.

Inventor： Kazutaka Hana

IPC: B60C19/08

CPC classification number: B60C19/082 ,  B60C11/0066

Abstract: A tire has a tread rubber and a conductive portion. The conductive portion is formed so as to connect the ground surface and a side surface of a side end portion of the tread rubber in a tire meridian circle cross section. The conductive portion having a rubber hardness which is different from the tread rubber, and has a stem portion and a plurality of branch portions. The stem portion heads for an inner side in the tire width direction from the side surface of the side end portion of the tread rubber so as to terminate at an inner portion of the tread rubber. The plurality of branch portions are branched from a plurality of positions of the stem portion so as to head for an outer side in the tire width direction and be exposed to an outer surface of the tire.

Abstract translation: 轮胎具有胎面橡胶和导电部分。 导电部形成为将轮胎子午线圆截面中的接地面和胎面橡胶的侧端部的侧面连接起来。 导电部分具有与胎面橡胶不同的橡胶硬度，并且具有杆部分和多个分支部分。 所述杆部从胎面橡胶的侧端部的侧面向轮胎宽度方向的内侧开口，从而终止于胎面橡胶的内部。 多个分支部分从杆部分的多个位置分支，以便在轮胎宽度方向上的外侧头部暴露于轮胎的外表面。

公开(公告)号：US20110094639A1

公开(公告)日：2011-04-28

申请号：US12907544

申请日：2010-10-19

Applicant: Yasujirou Daisho

Inventor： Yasujirou Daisho

IPC: B60C11/00

CPC classification number: B60C11/00 ,  B60C11/005 ,  B60C11/0066 ,  B60C11/0302 ,  B60C11/033 ,  B60C15/0045 ,  B60C2011/0025 ,  B60C2011/0033 ,  Y10T152/10837 ,  Y10T152/10846

Abstract: A pneumatic tire includes at least two types of cap tread rubber layers made from differing rubber compositions disposed in a tread portion. A tan δ at 60° C. of a rubber composition forming the cap tread rubber layer on a vehicle outer side is greater than a tan δ at 60° C. of a rubber composition forming the cap tread rubber layer on a vehicle inner side. A ratio (tan δH/tan δL) of a maximum tan δH to a minimum tan δL at 60° C. of the tan δ of the rubber compositions forming the at least two types of cap tread rubber layers is from 1.05 to 1.80. An under tread rubber layer disposed in the tread portion has an average thickness from 0.8 mm to 4.0 mm. A hardness of a rubber composition forming the under tread rubber layer is from 73 to 83. A tan δ at 60° C. of the rubber composition forming the under tread rubber layer is 0.25 or less.

Abstract translation: 充气轮胎包括由不同的橡胶组合物制成的胎面部分中至少两种类型的胎面橡胶层。 在车辆外侧，形成胎面橡胶层的橡胶组合物在60℃下的tanδ大于在车辆内侧形成胎冠橡胶层的橡胶组合物的60℃下的tanδ。 形成至少两种类型的胎面橡胶层的橡胶组合物的tanδ的最大tanδH与60℃下的最小tanδL的比（tanδH/tanδL）为1.05〜1.80。 设置在胎面部中的胎面下橡胶层的平均厚度为0.8mm〜4.0mm。 形成胎面下橡胶层的橡胶组合物的硬度为73〜83。形成胎面下橡胶层的橡胶组合物的60℃下的tanδ为0.25以下。

公开(公告)号：US20180304693A1

公开(公告)日：2018-10-25

申请号：US15767836

申请日：2016-10-06

Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

Inventor： PATRICK PALLOT ,  BERTRAND DAVAL ,  BENJAMIN LEVRARD

IPC: B60C11/00 ,  B60C11/13

CPC classification number: B60C11/0066 ,  B60C11/0008 ,  B60C11/0075 ,  B60C11/1323 ,  B60C11/1346 ,  B60C11/1392 ,  B60C2011/0025 ,  B60C2011/133

Abstract: A tire is provided with a tread that includes first and second sectors and grooves. The second sectors are formed of a rigid reinforcing compound. Each of the first and second sectors has a contact face intended to contact a road surface when the tire is in use. Each groove includes sidewalls and a bottom, and extends from an end of an adjacent contact face. A depth P of each groove is measured in a radial direction between its bottom and a position corresponding to a radial height of the adjacent contact face. At least one of the second sectors has a contact face that includes a recess having a depth p of less than 2 mm, as measured in a radial direction from a surface of the recess to a position corresponding to a radial height of an adjacent first sector.

公开(公告)号：US09707803B2

公开(公告)日：2017-07-18

申请号：US14368586

申请日：2012-12-06

Applicant: TOYO TIRE & RUBBER CO., LTD.

Inventor： Kazuki Kawakami

IPC: B60C19/08 ,  B60C11/00 ,  B60C1/00

CPC classification number: B60C11/0041 ,  B60C1/0016 ,  B60C11/0058 ,  B60C11/0066 ,  B60C19/082 ,  B60C2011/0016 ,  Y02T10/862

Abstract: Tread rubber forms a ground contact surface. When the ground contact surface is divided into two parts: a mounting inner side and a mounting outer side, the tread rubber has an inner cap part that forms an inner ground contact surface and is produced from non-conductive rubber, and an outer cap part that forms an outer ground contact surface. The inner cap part has a branched conductive part that is formed from conductive rubber ranging from the ground contact surface of a mounting outer end of the inner cap part to the side surface or bottom surface of a mounting inner end while branching off at a plurality of positions. The outer cap part does not have branched conductive rubber. The branched conductive part is formed from the conductive rubber with a rubber hardness different from that of the non-conductive rubber that forms the inner cap part.

公开(公告)号：US08365784B2

公开(公告)日：2013-02-05

申请号：US12530139

申请日：2008-03-10

Applicant: Makoto Ishiyama

Inventor： Makoto Ishiyama

IPC: B60C1/00 ,  B60C11/00

CPC classification number: B60C11/00 ,  B60C11/005 ,  B60C11/0058 ,  B60C11/0066 ,  B60C11/0075 ,  B60C11/0332 ,  B60C2011/0025 ,  B60C2200/10

Abstract: A pneumatic tire for motorcycles includes a carcass extending toroidally between a pair of bead portions, at least one ply of a belt layer installed outside thereof in the tire radial direction, and a tread portion radially outside the belt layer. In the tread portion, the 50% region of the developed width of the tread whose center is on the tire equatorial plane is a “tread center portion”, the 25% regions of the developed width of the tread region on either side of the tread center portion are a “tread side portion”, and each tread side portion is divided into three equal parts in the tire width direction defined from the tread end in order as regions A, B and C. The average modulus of elasticity in region B at 100% elongation at 40° C. is larger than the average modulus of elasticity in region A and in region C at 100% elongation at 40° C.

Abstract translation: 一种用于摩托车的充气轮胎包括在一对胎圈部分之间环形延伸的胎体，​​在轮胎径向方向上安装在其外侧的至少一层带束层和径向在带束层外侧的胎面部分。 在胎面部中，中心在轮胎赤道面上的胎面的展开宽度的50％的区域是胎面中心部，胎面中心部的任一侧的胎面区域的展开宽度的25％ 是胎面侧部分，并且每个胎面侧部分在轮胎宽度方向上被划分为三个相同的部分，从轮胎宽度方向限定的胎面端按照区域A，B和C的顺序。平均弹性模量为100％ 40℃下的区域A的平均弹性模量大于40℃的100％伸长率的区域C。

公开(公告)号：US20120180918A1

公开(公告)日：2012-07-19

申请号：US13009532

申请日：2011-01-19

Applicant: Paul Harry Sandstrom ,  Andrew Frederick Weimer ,  Richard Barkley Campbell ,  Thomas Charles Lippello III ,  Mark Alan Keto ,  Larry Alan Kraus ,  Steven Wayne Cronin

Inventor： Paul Harry Sandstrom ,  Andrew Frederick Weimer ,  Richard Barkley Campbell ,  Thomas Charles Lippello III ,  Mark Alan Keto ,  Larry Alan Kraus ,  Steven Wayne Cronin

IPC: B60C11/00

CPC classification number: B60C11/0058 ,  B60C1/0016 ,  B60C11/0066 ,  B60C2011/0025 ,  B60C2011/0033

Abstract: A racing tire comprising a tread having a new tread thickness of no greater than about 0.375 inch. The tread defines a running surface that includes a first circumferential portion of a first rubber compound and a second circumferential portion of a second rubber compound situated adjacent one another. The first rubber compound has a greater stiffness than the second rubber compound so as to provide the tread with greater wear resistance along the first circumferential portion, and the second rubber compound provides the tread with greater traction along the second circumferential portion. The tread may be substantially free of a tread pattern. The second rubber compound may have a greater DIN abrasion value than the first rubber compound. The second rubber compound may have a higher tan delta at 100° C. and/or a higher J″ traction value than the first rubber compound.

Abstract translation: 一种赛车轮胎，其包括具有不大于约0.375英寸的新胎面厚度的胎面。 胎面限定了包括第一橡胶混合物的第一周向部分和位于彼此相邻的第二橡胶混合物的第二周向部分的运行表面。 第一橡胶化合物具有比第二橡胶化合物更大的刚度，以便沿着第一周向部分提供胎面具有更大的耐磨性，并且第二橡胶化合物沿着第二圆周部分提供具有更大牵引力的胎面。 胎面可以基本上没有胎面花纹。 第二橡胶化合物可具有比第一橡胶化合物更大的DIN磨损值。 第二橡胶化合物在100℃下可具有较高的tanδ和/或比第一橡胶化合物具有更高的J“牵引值。

公开(公告)号：US20110048600A1

公开(公告)日：2011-03-03

申请号：US12920364

申请日：2010-02-25

Applicant: Hayato Yogou ,  Akihiko Shinkai

Inventor： Hayato Yogou ,  Akihiko Shinkai

IPC: B60C11/00

CPC classification number: B60C11/00 ,  B60C11/0058 ,  B60C11/0066 ,  B60C2011/0025 ,  B60C2011/0388

Abstract: A pneumatic tire has a center rib extending along a tire circumferential direction in a center portion of a tread surface. A width of the center rib is equal to or more than 10% of a grounding width. An outside rubber having a relatively high tension modulus is arranged outside a vehicle and an inside rubber having a relatively low tension modulus is arranged inside the vehicle, by setting an interface formed in the center rib along a tire diametrical direction to a boundary. 300% tension modulus Mo and a rubber hardness Ho of the outside rubber, and 300% tension modulus Mi and a rubber hardness Hi of the inside rubber satisfy the following relationship: (Mo−Mi)/Mo≧0.15 Ho−Hi≦±3 degree.

Abstract translation: 充气轮胎具有在胎面表面的中心部分沿着轮胎周向延伸的中心肋。 中心肋的宽度等于或大于接地宽度的10％。 具有相对高的拉伸模量的外部橡胶布置在车辆的外部，并且通过将形成在中心肋中的界面沿着轮胎直径方向设置到边界，布置在车辆内部，并且具有相对低的拉伸模量的内部橡胶。 外部橡胶的300％张力模量Mo和橡胶硬度Ho，内部橡胶的300％张力模量Mi和橡胶硬度H满足以下关系：（Mo-Mi）/Mo≥0.15Ho-Hi＆nlE;±3 度。

公开(公告)号：US20100319825A1

公开(公告)日：2010-12-23

申请号：US12744836

申请日：2008-08-22

Applicant: Nobuyoshi Yoshinaka ,  Masahiro Hanya

Inventor： Nobuyoshi Yoshinaka ,  Masahiro Hanya

IPC: B60C11/00 ,  B60C9/18

CPC classification number: B60C9/2204 ,  B29D30/3028 ,  B29D30/60 ,  B60C11/005 ,  B60C11/0058 ,  B60C11/0066 ,  B60C19/001 ,  B60C2009/2223 ,  B60C2009/2261 ,  B60C2009/2295 ,  B60C2011/0025 ,  Y10T152/10801

Abstract: A proper balance between ride comfort, steering stability, and road noise is achieved. A pneumatic tire (1) has a band layer (9) comprising a band ply (9A) where band cords are arranged at an angle of not more than 5 deg. with respect to the circumferential direction of the tire on the radially outer side of a belt layer (7). The band ply (9A) comprises a first ply piece (9a) covering only one side of end portions of the belt layer (7) and a second ply piece (9b) disposed adjacently to the first ply piece (9a), covering continuously the central portion of the belt layer (7) and another side of the end portions, and having a width larger than that of the above-mentioned first ply piece (9a). And, the band cords of said first ply piece (9a) and band cords of said second ply piece (9b) are different in modulus.

Abstract translation: 实现乘坐舒适性，操纵稳定性和道路噪声之间的适当平衡。 充气轮胎（1）具有包括带帘布层（9A）的带状层（9），带状帘布层以不大于5度的角度布置。 相对于带束层（7）的径向外侧的轮胎的周向。 带束层（9A）包括仅覆盖带束层（7）的端部的一侧的第一帘布层（9a）和与第一层片（9a）相邻设置的第二帘布层片（9b），连续地覆盖 带束层（7）的中心部分和端部的另一侧，并且具有比上述第一层片（9a）的宽度更大的宽度。 而且，所述第一层片（9a）的带束线和所述第二层片（9b）的带状帘线的模数不同。