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    • 4. 发明公开
    • Method for forming a tire component and pneumatic tire
    • VERFAHREN ZUR HERSTELLUNG VON REIFENKOMPONENTEN UND REIFEN
    • EP2574443A1
    • 2013-04-03
    • EP12185953.2
    • 2012-09-25
    • The Goodyear Tire & Rubber Company
    • Kaes, ChristianMaitre, Bruno PierreBurg, Gary RobertKoch, Brian RichardDyrlund, Christopher David
    • B29C47/36B29D30/60B29C47/92B29B7/00B29L30/00B60C11/00
    • B29C47/0021B29B7/007B29C47/0035B29C47/0064B29C47/025B29C47/065B29C47/364B29C47/367B29C47/385B29C47/92B29C2947/92228B29L2030/002B60C1/0016B60C1/0025B60C11/0041B60C2001/0033B60C2013/006B60C2013/045
    • A method of forming a tire component comprising a first rubber compound and a second rubber compound is disclosed. The method comprises the steps of:
      (i) extruding a first rubber compound through a main extruder (20) and a main gear pump (25);
      (ii) extruding a second rubber compound through a second extruder (40) and a second gear pump (42) into the main extruder (20);
      (iii) varying or tuning the ratio of the first compound to the second compound by adjusting the speed of the main gear pump (25) and/or the speed of the second gear pump (42) to obtain a first blend ratio of the first compound to the second compound and then applying a first rubber profile directly onto a tire building machine (95) to form a first zone of rubber having the first blend ratio; and
      (iv) adjusting the speed of the main gear pump (25) and/or the second gear pump (42) to obtain a second blend ratio of the first compound to the second compound, and then applying a second rubber profile formed of the first compound and the second compound to form a second zone of rubber having the second blend ratio. Also, a pneumatic tire comprising a tire component with two or more adjacent zones of different mixtures of rubber is disclosed. The transition in terms of rubber composition from one of said zones to an adjacent zone is continuous.
    • 公开了一种形成包括第一橡胶化合物和第二橡胶化合物的轮胎成分的方法。 该方法包括以下步骤:(i)通过主挤出机(20)和主齿轮泵(25)挤出第一橡胶混合物; (ii)通过第二挤出机(40)和第二齿轮泵(42)将第二橡胶化合物挤出到主挤出机(20)中; (iii)通过调整主齿轮泵(25)的速度和/或第二齿轮泵(42)的速度来改变或调节第一化合物与第二化合物的比例,以获得第一混合物的第一混合比 与第二化合物混合,然后将第一橡胶轮廓直接施加到轮胎成型机(95)上以形成具有第一混合比的第一橡胶区; 和(iv)调节主齿轮泵(25)和/或第二齿轮泵(42)的速度,以获得第一化合物与第二化合物的第二共混比,然后施加由 第一化合物和第二化合物以形成具有第二共混比的橡胶的第二区域。 此外,公开了一种充气轮胎,其包括具有橡胶混合物的两个或多个相邻区域的轮胎部件。 从所述区域之一到相邻区域的橡胶组合物的过渡是连续的。
    • 6. 发明公开
    • Bead construction method and apparatus for a tire
    • Verfahren und Vorrichtung zur Herstellung eines Reifenwulstes
    • EP1582334A1
    • 2005-10-05
    • EP05102434.7
    • 2005-03-25
    • THE GOODYEAR TIRE & RUBBER COMPANY
    • Dyrlund, Christopher DavidBurg, Gary RobertKoch, Brian RichardHuston, Dwayne Richard
    • B29D30/48B60C15/04
    • B29D30/48B29D30/1621Y10T152/10819
    • A method and apparatus for manufacturing an annular tire component such as a tire bead includes locating a toroidal support (12); placing an ejector nozzle (32) in an interference relationship to the toroidal support (12); and simultaneously ejecting through the nozzle (32) a continuous stream of an elastomeric belt component material (52) in a suitably fluid state and a continuous length of at least one thread-like component (44) disposed within the stream onto the toroidal support (12) in a predetermined bead configuration. The bead configuration is at least partially defined by a relief in the nozzle ejection port and by the toroidal support onto which the bead is formed. Rotation of the toroidal support (12) may be coupled with the simultaneous ejection of the elastomeric component (52) and thread-like component (44) in order to create an annular bead structure. A tire may be constructed having a desired bead configuration and location by means of the method and apparatus.
    • 用于制造诸如轮胎胎圈的环形轮胎部件的方法和装置包括定位环形支撑件; 将喷射器喷嘴放置成与环形支撑件的干涉关系; 并且同时通过喷嘴将处于适当流体状态的弹性体带组件材料的连续流和在流中的至少一个螺纹部件的连续长度流喷射到环形支撑件上以预定的珠形结构。 珠形结构至少部分地由喷嘴喷射口中的凸起和形成珠的环形支撑部分限定。 环形支撑件的旋转可以与弹性体部件和螺纹部件的同时弹出耦合,以便产生环形凸缘结构。 轮胎可以通过该方法和装置构造成具有所需的珠子构造和位置。