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    PNEUMATIC TIRE AND METHOD FOR MANUFACTURING THE SAME
    1.
    发明申请
    PNEUMATIC TIRE AND METHOD FOR MANUFACTURING THE SAME 审中-公开

    公开(公告)号：US20180264897A1

    公开(公告)日：2018-09-20

    申请号：US15916444

    申请日：2018-03-09

    申请人： Sumitomo Rubber Industries, Ltd.

    发明人： Masanori MITSUOKA ,  Yoshiaki KANEMATSU

    IPC分类号： B60C19/08 ,  B29D30/60

    CPC分类号： B60C19/082 ,  B29D30/52 ,  B29D30/60 ,  B29D2030/526

    摘要： A pneumatic tire includes a tread portion including main grooves and land portions. In a cross-sectional view of the tire, one of the land portions includes a first edge, a second edge, a ground contact surface extending between the first edge and the second edge and having an arc-shaped profile protruding radially outwardly, and conductive portion made of conductive rubber. The conductive portion extends from a radially inner end to a radially outer end exposed at the ground contact surface with an inclination toward the first edge. The inner end is connected to a tire internal structural member to be electrically connected to a rim when the tire is mounted on the rim. On the ground contact surface, a central position of the outer end is located on a central position of the land portion in a tire axial direction, or on a side of the first edge.

    METHODS AND APPARATUS FOR FORMING TREAD STRIPS IN CLOSED-LOOP SYSTEM
    4.
    发明申请
    METHODS AND APPARATUS FOR FORMING TREAD STRIPS IN CLOSED-LOOP SYSTEM 审中-公开

    公开(公告)号：US20180009182A1

    公开(公告)日：2018-01-11

    申请号：US15538984

    申请日：2014-12-31

    申请人： Chinglin PAN

    发明人： Chinglin PAN

    IPC分类号： B29D30/00 ,  B29D30/68 ,  B29C47/00

    CPC分类号： B29D30/0016 ,  B29C33/44 ,  B29C35/02 ,  B29C35/0277 ,  B29C48/0011 ,  B29C48/0022 ,  B29C48/07 ,  B29C48/91 ,  B29D30/0603 ,  B29D30/0606 ,  B29D30/0662 ,  B29D30/52 ,  B29D30/68 ,  B29D2030/0038

    摘要： Particular embodiments of the invention include a closed-loop tread strip forming unit (100) and methods for forming tread strips using a closed-loop unit. Embodiments of such forming units include a tread strip extruder (110) located at a pre-cure end of the closed-loop tread strip forming unit. Such units include an uncured tread strip handling assembly (120) configured to transport the first uncured tread strip from the first tread strip extruder and to a first tread strip mold member (130). The unit further includes a curing press (150) having an inlet and an outlet, a pre-cure mold handling assembly (140) configured to insert the loaded tread strip mold member into the curing press, a post-cure mold handling assembly (160) configured to receive the loaded tread strip mold member from the outlet of the curing press, a return assembly (170) configured to transfer the first tread strip mold member to the pre-cure end to complete a closed-loop.

    METHOD OF TIRE TREAD PRODUCTION AND TIRE PRODUCED THEREBY
    6.
    发明申请
    METHOD OF TIRE TREAD PRODUCTION AND TIRE PRODUCED THEREBY 审中-公开
    轮胎生产方法和轮胎生产方法

    公开(公告)号：US20170050398A1

    公开(公告)日：2017-02-23

    申请号：US15307396

    申请日：2014-05-01

    申请人： Compagnie Generale des Etablissements Michelin ,  Michelin Recherche et Technique S.A.

    发明人： William Bryan Bagwell

    IPC分类号： B29D30/58 ,  B29D30/06 ,  B29D30/68

    CPC分类号： B29D30/58 ,  B29D30/0601 ,  B29D30/52 ,  B29D30/68 ,  B29D2030/685 ,  B29K2021/00 ,  B29K2105/246

    摘要： A method is provided for manufacturing tread for a tire without necessarily extruding the tread profile. The tread is created from multiple discrete parts that are cut from a sheet of uncured rubber material. The parts are joined together to create the tread, which can be applied to a tire immediate and cured to form a tire. Different treads formed from different rubber compositions may be created. The treads may also be created in varying shape and lengths with different rubber compositions used in different parts of the tread. One or more tread pieces can be applied to the same or different tire intermediates, which may be advantageous for simultaneous testing of different tread designs.

    摘要翻译： 提供了一种用于制造轮胎的胎面的方法，而不必挤压胎面轮廓。 胎面由从未固化的橡胶材料片切割的多个分立部件产生。 这些部件连接在一起以产生胎面，其可以立即施加到轮胎上并固化以形成轮胎。 可以产生由不同橡胶组合物形成的不同的胎面。 也可以在胎面的不同部分中使用不同的橡胶组合物来形成不同形状和长度的胎面。 一个或多个胎面片可以应用于相同或不同的轮胎中间体，这可能有利于同时测试不同的胎面设计。

    Pneumatic tire and manufacturing method of the same
    9.
    发明授权
    Pneumatic tire and manufacturing method of the same 有权
    气动轮胎及其制造方法相同

    公开(公告)号：US09327559B2

    公开(公告)日：2016-05-03

    申请号：US13397854

    申请日：2012-02-16

    申请人： Akihiko Shinkai

    发明人： Akihiko Shinkai

    IPC分类号： B29D30/60 ,  B60C19/08 ,  B60C11/00 ,  B29D30/52

    CPC分类号： B60C19/082 ,  B29D30/52 ,  B29D30/60 ,  B29D2030/526 ,  B60C9/02 ,  B60C11/005 ,  B60C11/0304 ,  B60C13/00 ,  B60C15/00 ,  B60C19/08 ,  B60C19/084 ,  B60C19/086 ,  B60C19/088 ,  B60C2011/0341

    摘要： A pneumatic tire has a tread rubber made of a nonconductive rubber. The tread rubber is provided with a first and second conductive portions made of a conductive rubber. The first conductive portion extends radially inwardly from a ground-contacting surface, extends to one side in tire width direction, and reaches a carcass layer or a side wall rubber. An exposed position of the first conductive portion is separated from a tire equator at a distance is equal to or more than 10% of a ground-contacting width. The second conductive portion extends radially inwardly from the ground-contacting surface, extends to another side in tire width direction, and reaches the carcass layer or the side wall rubber. An exposed position of the second conductive portion is separated from the tire equator at a distance is equal to or more than 10% of the ground-contacting width.

    摘要翻译： 充气轮胎具有由非导电橡胶制成的胎面橡胶。 胎面橡胶设置有由导电橡胶制成的第一和第二导电部分。 第一导电部分从地面接触表面径向向内延伸，延伸到轮胎宽度方向的一侧，并到达胎体层或侧壁橡胶。 第一导电部分的暴露位置与轮胎赤道分离等于或大于接地宽度的10％的距离。 第二导电部分从地面接触表面径向向内延伸，延伸到轮胎宽度方向的另一侧，并到达胎体层或侧壁橡胶。 第二导电部分的暴露位置与轮胎赤道分离的距离等于或大于接地宽度的10％。

    TREAD CRACKING PREVENTION AND DE-MOLDING FORCE REDUCTION DOLLY
    10.
    发明申请
    TREAD CRACKING PREVENTION AND DE-MOLDING FORCE REDUCTION DOLLY 审中-公开
    TREAD CRACKING PREVENTION AND DE-MOLDING FORCE Reduction多少

    公开(公告)号：US20150360395A1

    公开(公告)日：2015-12-17

    申请号：US14764910

    申请日：2013-01-31

    申请人： Chinglin PAN ,  Ronald CRESS ,  Michael D. PETROVICH

    发明人： Chinglin PAN ,  Ronald CRESS ,  Michael D. PETROVICH

    IPC分类号： B29C33/44 ,  B29D30/06 ,  B29C37/00

    CPC分类号： B29C33/44 ,  B29C37/0003 ,  B29D30/0681 ,  B29D30/52 ,  B29L2030/002

    摘要： The invention include methods and apparatus for demolding a tread. The methods include arranging one or more rollers to extend across a transverse extent of a tread molding cavity and across an outer, exposed side of a tread. The one or more rollers are freely-rotatable and arranged to define a demolding path of the tread extending from the mold. The tread is demolded from the tread molding cavity along the demolding path such that the tread is initially directed outwardly from a molded position within the tread molding cavity at an initial angle less than 90 degrees from the molded position, the tread continuing along the demolding path until the tread is directed away from the molding cavity in a direction 90 degrees from the molded position at a perpendicular position located a distance from the molding cavity at least equal to approximately 80% of the tread thickness.

    摘要翻译： 本发明包括用于使胎面脱模的方法和装置。 这些方法包括布置一个或多个辊子以跨越胎面模制腔体的横向延伸并跨越胎面的外部暴露侧面。 一个或多个辊可自由旋转并且布置成限定从模具延伸的胎面的脱模路径。 胎面沿着脱模路径从胎面模制腔脱模，使得胎面最初从模制位置以小于90度的初始角度从胎面模制腔内的模制位置向外指向，胎面沿着脱模路径继续 直到胎面在与成型腔距离至少等于胎面厚度的大约80％的垂直位置处在与模制位置成90度的方向上被引导离开模制腔。