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    • 74. 发明申请
    • Die set of molding extruder for tire with slanted conductive ring
    • 模具用于轮胎的成型挤出机具有倾斜的导电环
    • US20050208167A1
    • 2005-09-22
    • US10971677
    • 2004-10-22
    • Jeong-Sun YouIl-Taik JungChi-Hoon ChoHun-Seon Baik
    • Jeong-Sun YouIl-Taik JungChi-Hoon ChoHun-Seon Baik
    • B29C47/12B29C47/04B29C47/06B29C47/30B29C47/56B29K21/00B29L30/00B60C19/08
    • B60C19/08B29C48/07B29C48/09B29C48/18B29C48/19B29C48/21B29C48/30B29C48/307B29C48/345B29C48/49B29C48/705B29L2030/002
    • A mold extruder for a tire with a highly electrically conductive ring and a manufacturing method using the same. The extruder solves the problem of static electricity caused by failure to discharge charges generated in a vehicle body, to the ground, but accumulating charges on the tire when a large amount of silica is used into the tread rubber composition of a tire. The mold extruding die for forming a conductive ring on the tread extrudes a cap tread, an under tread, and tread wings simultaneously, is installed to a head section of a mold extruder having a tri-extruder for extruding a tire tread, and includes a preform die, a final die, and a cassette. The extruding passages for the cap tread, the under tread, and the tread wings are formed by assembling the preform die, the final die, and the cassette. By designing a conductive ring passage for the extruding passage of the under tread to penetrate the extruding passage of the cap tread, the under tread rubber composition protrudes so as to divide a space of the cap tread extruding passage by the conductive ring passage penetrating the cap tread into a right-side space and a left-side space. For the purpose of easily protruding the under tread rubber composition to an upper end of the cap tread through the conductive ring passage, a triangular recess on a ceiling of the under tread extruding passage penetrates the cap tread extruding passage from a rear side to a front side is formed.
    • 一种用于具有高导电性环的轮胎的模具挤出机及其制造方法。 该挤出机解决了当轮胎胎面橡胶组合物中使用大量的二氧化硅时,由于不能将在车身中产生的电荷排放到地面而产生的静电导致静电问题,而是在轮胎上累积电荷。 用于在胎面上形成导电环的模具挤出模具同时挤压胎面胎面,胎面下面和胎面胎面,安装到具有用于挤出轮胎胎面的三挤出机的模具挤出机的头部,并且包括 预成型模具,最终模具和盒子。 通过组装预成型模具,最终模具和盒子来形成用于盖子胎面,胎面下部和胎面翼片的挤压通道。 通过设计用于下胎面的挤压通道的导电环通道以穿透胎面胎面的挤压通道,胎面下橡胶组合物突出,以便通过穿过帽的导电环通道将帽胎面挤压通道的空间分开 踏入右侧空间和左侧空间。 为了通过导电环通道容易地将胎面下橡胶组合物突出到胎面胎冠的上端,胎面下挤压通道的天花板上的三角形凹口从后侧到前面穿过胎面挤压通道 侧面形成。
    • 77. 发明申请
    • Hybrid extruded articles and method
    • 混合挤压制品和方法
    • US20030219559A1
    • 2003-11-27
    • US10154179
    • 2002-05-24
    • Charles Schryver
    • B32B001/08
    • A61M25/0009B29C48/09B29C48/11B29C48/12B29C48/19B29C48/30B29C48/302Y10T428/139Y10T428/24983
    • Extruded articles, such as tubing or multilumen catheters, having hybrid composition, an axial length and a transverse cross-section orthogonal to the length. The extruded articles have unitary construction and require no assembly. The composition of each cross-section of the article along the length of the article contains a first extrudable material and/or a second extrudable material. The percentage and/or distribution of the two extrudable materials in any cross-section varies along the length of the article in a controlled, continuous or discontinuous manner. The first and second extrudable materials may be an elastomer having different durometers, color or radiopacity. The weight percentage of one of the two extrudable materials in a cross-section may vary abruptly, smoothly and/or periodically along the length of the article. An extrusion die and a method for using the die for making the hybrid, unitary extruded articles is disclosed.
    • 挤压制品,例如具有混合组合物的管道或多腔导管,轴向长度和与该长度正交的横截面。 挤压制品具有单一结构,不需要组装。 制品沿着制品长度的每个横截面的组成包含第一可挤出材料和/或第二可挤压材料。 两个可挤出材料在任何横截面中的百分比和/或分布以受控的,连续的或不连续的方式沿制品的长度变化。 第一和第二可挤压材料可以是具有不同硬度,颜色或不透射线性的弹性体。 横截面中的两个可挤出材料之一的重量百分比可以沿着制品的长度突然,平滑和/或周期地变化。 公开了一种挤出模头和用于制造混合的单一挤压制品的模具的方法。
    • 78. 发明申请
    • Tire, device for extruding unvulcanized tread rubber for the tire, and method of extruding unvulcanized tread rubber for the tire
    • 用于轮胎的挤出未硫化胎面橡胶的轮胎,用于轮胎的未硫化胎面橡胶的挤出方法
    • US20020157747A1
    • 2002-10-31
    • US10093378
    • 2002-03-11
    • BRIDGESTONE CORPORATION
    • Go ShimadaKenichiro IrimiyaEiichiro Yamane
    • B29D030/08
    • B60C11/1346B29C48/07B29C48/12B29C48/19B29C48/49B29D30/52B29L2030/002B60C11/047B60C11/13
    • A crack suppressing rubber, which has elongation-at-break which is superior to elongation-at-break of a cap rubber, is disposed so as to reinforce a vicinity of a groove bottom of a circumferential direction narrow groove provided in the vicinity of a shoulder of a tire tread. Due to this, generation of cracks from the vicinity of the groove bottom, at a time when land portions at an outer side of the circumferential direction narrow groove are greatly deformed due to a large lateral force or due to recesses and projections of a road surface or the like, and growth of generated cracks are suppressed. As a result, breaking of land portions at outermost sides in a widthwise direction of a tire, and separation of the tread can be effectively suppressed. Namely, in accordance with the present invention, there is provided a tire which is suited to heavy-load vehicles and in which generation of cracks from groove bottoms of tread grooves (circumferential direction grooves in vicinities of shoulder portions, in particular) and growth of generated cracks can be suppressed.
    • 将具有优于帽橡胶的断裂伸长率的断裂伸长率的裂纹抑制橡胶配置成加强设置在附近的周向狭槽的槽底附近 轮胎胎面的肩膀 由此,由于横向力较大或由于路面的凹凸而导致在周向狭槽的外侧的陆部大幅度变形的情况下,从槽底附近产生裂纹 等等,并且抑制了所产生的裂纹的生长。 结果,可以有效地抑制轮胎的宽度方向上的最外侧的陆部断裂和胎面的分离。 也就是说,根据本发明,提供一种适用于重载车辆的轮胎,其中,胎面槽的槽底(特别是肩部附近的周向槽)产生裂纹,并且生长 可以抑制产生的裂缝。