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公开(公告)号：US3853653A
公开(公告)日：1974-12-10
申请号：US22757372
申请日：1972-02-18
Applicant: DUNLOP LTD
CPC classification number: B29D30/36 , B29D2030/3214 , B29D2030/3228 , B29D2030/3235 , B29D2030/325
Abstract: Method and apparatus for manufacture of radial ply tires. A hollow cylindrical carcass ply pocket is made up and the bead cores positioned thereon. The carcass ply region between the bead cores is then shaped into a toroid and the ply ends turned over the bead cores. During shaping the diamet
Abstract translation: 径向帘布层轮胎的制造方法和装置。 制成中空的圆柱形胎体帘布层袋，胎圈芯定位在其上。 然后将胎圈芯之间的胎体帘布层区域成形为环形，并将帘布层末端翻转过珠芯。 在成形期间，胎体的直径受到环形带的限制，这使得侧壁横向膨胀。 以这种方式，可以使侧壁的角度接近轮缘上的成品轮胎中的侧壁的角度，同时围绕胎圈芯向上翻转帘布层并向下贴在侧壁上。 由此降低了帘布层端部和下侧壁的变形，
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