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公开(公告)号：EP1510331A1
公开(公告)日：2005-03-02
申请号：EP03756111.5
申请日：2003-05-26
发明人： Suda, Nobuyuki, Bridgestone Corp., Tech. Center , Kubota, Akira, Bridgestone Corp., Tech. Center
CPC分类号： B60C9/04 , B29D30/38 , B29D30/42 , B29D2030/381 , Y10S156/906 , Y10T152/10855 , Y10T156/1075 , Y10T156/1079
摘要： A tire component is fabricated by the steps of forming a narrow belt by arranging a plurality of cords and embedding the cords in a rubber layer, cutting the belt into strips of a predetermined length, and successively arranging and joining a necessary number of the strips such that edge parts of adjacent strips overlap each other with the outermost cord in the edge part of one of the adjacent strips overlying the outermost cord in the edge part of the other strip. The strips can be surely joined without requiring advanced techniques, without wasting materials and without increasing weight. Thus a desired annular tire component can be accurately formed in a desired circumference. The cords are arranged in each strip in a width equal to a length shorter than a length equal to an integral division of the predetermined circumference of a tire by a length corresponding to an increase in the diameter of the tire component. A tire component of a predetermined circumference can be accurately formed by increasing the diameter of an annular ply fabricated by successively joining an integral number of the strips such that the edge parts of the adjacent strips overlap each other with the outermost cord in the edge part of one of the adjacent strips superposed on the outermost cord in the edge part of the other strip. A pneumatic tire including the thus formed carcass ply thus fabricated has an improved quality.
摘要翻译： 通过如下步骤制造轮胎部件：通过布置多根帘线并将帘线嵌入橡胶层中，将带切割成预定长度的带，并且连续地排列并连接必要数量的带 相邻带的边缘部分彼此重叠，其中一个相邻带的边缘部分中的最外面的帘线覆盖另一个带的边缘部分中的最外面的帘线。 无需先进的技术就可以确保连接条，不会浪费材料，也不会增加重量。 因此，期望的环形轮胎部件可以在期望的周边精确地形成。 帘线布置在每个条中的宽度等于比等于轮胎的预定周长的整体分割的长度短的长度，长度对应于轮胎部件的直径的增加。 通过增加通过连续接合整个条带制造的环形帘布层的直径，可以精确地形成预定周长的轮胎部件，使得相邻带条的边缘部分与最外侧的帘线在边缘部分 一个相邻的条重叠在另一个条的边缘部分中的最外面的帘线上。 包括如此形成的如此形成的胎体帘布层的充气轮胎具有改善的质量。
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公开(公告)号：EP1510331B1
公开(公告)日：2009-02-04
申请号：EP03756111.5
申请日：2003-05-26
发明人： Suda, Nobuyuki, Bridgestone Corp., Tech. Center , Kubota, Akira, Bridgestone Corp., Tech. Center
CPC分类号： B60C9/04 , B29D30/38 , B29D30/42 , B29D2030/381 , Y10S156/906 , Y10T152/10855 , Y10T156/1075 , Y10T156/1079
摘要： A method of manufacturing a tire component member, comprising the steps of forming a narrow member by arranging a plurality of cords and covering these cords with rubber, forming narrow member pieces by cutting the narrow member at specified lengths, joining , in order, the narrow member pieces to each other by a specified quantity with the end edges thereof overlapped with each other so that one end cord (1) buried therein can be stacked on the narrow member pieces, wherein the lateral length of the plurality of arranged cords between both end cords is set to a lateral length smaller by an amount of increased diameter than a length obtained by dividing the specified peripheral length of the tire by an integer to overlap the end edges of the narrow member pieces having the cords buried therein with each other so that the cord (1) can be stacked on the narrow member pieces, and the member pieces by an amount of the integer are joined, in order, with each other, formed in annular shape, and increased in diameter, whereby the narrow member pieces can be surely joined to each other while avoiding an increase in weight without requiring an advanced technology and without wastefully using material, and the tire component member with a specified peripheral length can be accurately formed by joining the narrow member pieces by a specified quantity in annular shape.
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