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    • 2. 发明授权
    • Tire building machine servicer
    • 轮胎建筑机械服务商
    • US3795563A
    • 1974-03-05
    • US3795563D
    • 1972-06-19
    • NRM CORP
    • ENDERS GCANTARUTTI A
    • B29C67/00B29D30/00B29D30/30B29H17/10B29H17/20B29H17/30
    • B29D30/3007
    • Tire building machine servicer characterized in the provision of a stock storage and conveyor means which is loaded with tire components from a series of stock let-off units which are successively indexed to positions in alignment with one end of said conveyor means, said let-off units in the case of a radial truck tire, example, comprising successive first and second cordless gum ply stock rolls and a cord ply stock roll, said conveyor means being equipped with drive means for driving the respective stock rolls and with severing means to cut the respective plies to exact lengths as required for application on the tire building drum. Said conveyor means is further characterized in that is has centering means to center the stock loaded thereonto from said let-off units and to center the stock as it is dispensed from said conveyor means onto the tire building drum. The servicer herein is further characterized in that another series of let-off units carrying stock rolls of other tire components are indexed along a path parallel to the longitudinal axis of the tire building drum for successive application of, for example, the finishing strips, a belt cushion strip, and first, second, and third belts to the tire building drum as the tire building operation proceeds. During the operation of the last-mentioned series of let-off units, the storage and conveyor means may be loaded with stock for storage therein until the next tire is ready to be built. Yet a further characterizing feature of the present servicer is that the tread and side wall components of the tire are stored on carriers which are in alignment with the conveyor means but disposed at the opposite side of the tire building drum, said carriers being advanced toward and away from the tire building drum for application of the respective components thereto, said tread components in the case of a radial tire building machine being stored in a looped configuration to shorten the length of the tread carrier.