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    • 57. 发明授权
    • Sewn tire cord splice and method
    • SEWN轮胎绳索和方法
    • US3672148A
    • 1972-06-27
    • US3672148D
    • 1970-04-27
    • OWENS CORNING FIBERGLASS CORP
    • BENSON GUSTAV EPISANI JAMES M
    • B29D30/38B65H69/06F16G11/00
    • B65H69/068B29D30/38B65H2701/31D07B7/169F16G11/02F16G11/08Y10S57/902
    • A method of splicing glass fiber tire cord ends together which includes the steps of positioning oppositely extending tire cord ends in side-by-side overlapping relationship and sewing an extensible thread around the overlapping ends using a zigzag stitch, the sewing being done in such a manner as to preclude penetration of the overlapping cord ends by the needle, and the sewing tension on the thread causing it to elongate as it is being applied. Excess thread is then trimmed off. Subsequent retraction of the thread after it is locked in position around the overlapping cord ends causes it to form a very tight wrap around the tire cord ends. Also disclosed is the splice or joint made by such method. The splice includes oppositely extending glass fiber tire cord ends in side-by-side overlapping relationship bound together with an extensible thread having been sewn in a zigzag stitch.
    • 一种将玻璃纤维轮胎帘线端部拼接在一起的方法,其包括以相反方向重叠的关系定位相对延伸的轮胎帘线端部的步骤,并且使用锯齿形缝线将可伸长线缝合在重叠端部上, 以防止由针引起的重叠线端部的穿透,并且线上的缝合张力使其在被施加时伸长。 然后修剪过多的线程。 在将线锁定在重叠的绳索端部周围的位置之后,纱线的后退使得其在轮胎帘线端部周围形成非常紧密的包裹。 还公开了通过这种方法制造的接头或接头。 接头包括相对延伸的玻璃纤维轮胎帘线端部与并排缝合在锯齿形针迹中的可延伸线并排的并排重叠关系。
    • 58. 发明授权
    • Folding device for tire belts
    • 轮胎带折叠装置
    • US3616069A
    • 1971-10-26
    • US3616069D
    • 1969-05-21
    • UNIROYAL ENGLEBERT AG
    • SCHWALBACH JOSEF
    • B29C53/02B29D30/38B29D30/70B65H45/101B29H17/28
    • B29D30/70B29C53/02B29C2791/003B29D30/38B29K2021/00B29L2030/003B65H45/101
    • A device for folding strips of rubber-coated cord fabric so that the folded strips can be used as belt inserts in vehicle tires. The unfolded strip is fed down an inclined table into a folding zone where it is pinched between upper and lower pairs of rollers, both motor driven. Pressurized jets of air impinge upon the underside of the fabric at spaced intervals, and force the central portion of it upwardly into a folding gap between the upper pair of rollers. The upper rollers are smooth surfaced so as to achieve more intimate contact with the tacky rubberized fabric, and therefore drag the fabric into the folding gap to complete the folding operation. The lower rollers are grooved for less intimate contact, but temporary driving engagement with the fabric, and they can be driven at a different surface speed than the upper rollers to assist in conveying the fabric toward the entrance of the folding gap. Axially spaced bearings and rolling reinforcements for the lower and upper rollers respectively are yieldably and adjustably mounted. The upper rollers are mounted on a pivotable rack which is raised by an air cylinder to permit the insertion of the fabric, and then lowered by the cylinder to perform the folding operation.