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    Method and apparatus for retreading tires
    1.
    发明公开
    Method and apparatus for retreading tires 有权
    Verfahren und Vorrichtung zum Runderneuern von Reifen

    公开(公告)号：EP1188546A2

    公开(公告)日：2002-03-20

    申请号：EP01307846.4

    申请日：2001-09-14

    申请人： Bridgestone Corporation

    发明人： Keizo, Okito ,  Usami, Shigeoki, c/o Bridgestone Technical Center ,  Kurihara, Kiyoharu, c/o Bridgestone Technical Cnt. ,  Makino, Shigeo, c/o Bridgestone Technical Center ,  Tanaka, Tsutomu, c/o Bridgestone Technical Center

    IPC分类号： B29D30/56 ,  B29D30/58

    CPC分类号： B29D30/56 ,  B29D30/58 ,  B29D2030/4437 ,  B29D2030/445 ,  B29D2030/4456 ,  Y10S156/909

    摘要： A re-treading method and an apparatus therefor, which are capable of winding a tread material on a base tire automatically and efficiently to realize an adequate joint condition of the leading and trailing edges of the tread material, are configured to take a photograph of a zone of the tread material including its cut position to compare the picture with a stored tread pattern image to detect a deviation amount between them, then moves the tread material or the cut position relative to each other by the deviation amount, next cut the tread material at the cut position after the relative movement, wind the tread material on a base tire, and unite the leading and trailing edges of the tread material. Alternatively, the re-treading method and the apparatus can detect a deviation amount of the position distant by a required tread length from the leading edge of the tread material from a predetermined pattern position near that position planned to be cut, cut the tread material at the at the predetermined position, wind the cut-out tread material on the outer circumference of the base tire while adjusting the length of the tread material by applying thereto a substantially uniform tensile or compressive force, and unite the leading and trailing edges of the tread material wound on the base tire.

    摘要翻译： 能够自动而有效地将胎面材料卷绕在胎面轮胎上以实现胎面材料的前缘和后缘的适当接合状态的再踩踏方法及其装置被配置为拍摄 胎面材料的区域包括其切割位置，以将图像与存储的胎面花纹图像进行比较，以检测它们之间的偏差量，然后将胎面材料或切割位置相对于彼此移动偏移量，接下来切割胎面材料 在相对移动之后的切割位置，将胎面材料卷绕在基础轮胎上，并且将胎面材料的前缘和后缘相结合。 或者，再次踩踏方法和装置可以检测距离胎面材料的前缘远离所需胎面长度的位置的距离偏离预定切割位置附近的预定图案位置，将胎面材料切割在 在预定位置，将切割的胎面材料卷绕在基础轮胎的外圆周上，同时通过施加基本均匀的拉伸或压缩力来调节胎面材料的长度，并且将胎面的前缘和后缘相结合 材料缠绕在基础轮胎上。

    Method of measuring a gauge of a used rubber portion of a buffed tire and buffing method
    4.
    发明公开
    Method of measuring a gauge of a used rubber portion of a buffed tire and buffing method 有权
    Verfahren zum Abreiben eines Reifens

    公开(公告)号：EP1189014A2

    公开(公告)日：2002-03-20

    申请号：EP01307847.2

    申请日：2001-09-14

    申请人： Bridgestone Corporation

    发明人： Tanaka, Tsutomu, c/o Bridgestone Technical Center ,  Kurihara, Kiyoharu, c/o Bridgestone Technical Cnt. ,  Usami, Shigeoki, c/o Bridgestone Technical Center ,  Makino, Shigeo, c/o Bridgestone Technical Center

    IPC分类号： G01B7/06

    CPC分类号： B29D30/54 ,  B29D2030/541 ,  B29D2030/546 ,  G01B7/10 ,  G01B7/107 ,  G01B17/02

    摘要： A method of measuring a gauge of used rubber portion of a buffed tire with an enhanced efficiency and high accuracy is disclosed, and in this method, workability of a buffing process can be improved. A buffing method is also disclosed which enhances a production efficiency of recaps, maintaining high levels of workability of the buffing process and quality of the recaps. An eddy-current sensor is used to measure a gauge g of used rubber portion or a thickness from an outer circumferential surface to a belt layer in a buffed tire to recap the tire, and voltages detected by the eddy-current sensor is converted in accordance with a conversion method designated to each of types of belt configuration to compute a real distance of the gauge of the used rubber portion. Also, after a buffed tire is rebuffed along its preliminarily buffed outer circumferential extension, the eddy-current sensor is used to measure a gauge g of used rubber portion or a thickness from an outer circumferential surface to a belt layer of preliminarily buffed tire T2, and then, an outer circumferential belt length Lb is computed from an outer circumferential length Lo of the preliminarily buffed tire and the gauge g previously measured. The outer circumferential belt length Lb is classified depending upon a tolerance for acceptable performance, a single outer circumferential length Lc of the buffed tire is specified to each of classified types of the outer circumferential belt length Lb, and the buffed tire is shaved along its outer circumference to have the outer circumferential length Lc as previously determined, so as to finish and shape the used tire into a base tire T3.

    摘要翻译： 公开了一种以提高效率和高精度测量抛光轮胎的使用橡胶部分的量规的方法，并且在该方法中，可以提高抛光工艺的可加工性。 还公开了一种抛光方法，其提高了重复生产的生产效率，保持了抛光过程的高水平可操作性和重塑的质量。 使用涡流传感器来测量橡胶部分的规格g或从抛光轮胎中的外圆周表面到带束层的厚度来重新计算轮胎，并且根据涡流传感器检测的电压按照 使用指定为每种类型的带构造的转换方法来计算所使用的橡胶部分的规格的实际距离。 此外，在经过抛光的轮胎沿其初步抛光的外周延伸部分被抛光之后，涡流传感器用于测量橡胶部分的规格g或从预先磨光的轮胎T2的外圆周表面到带束层的厚度， 然后根据预先磨光轮胎的外周长度Lo和以前测量的规格g计算外周带长度Lb。 外圆周皮带长度Lb根据可接受性能的公差进行分类，对于外周皮带长度Lb的各种分类，规定了抛光轮胎的单个外周长度Lc，并且将抛光轮胎沿其外侧刮削 圆周具有如前所述的外圆周长度Lc，以便将旧轮胎完成并成形为基轮胎T3。