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    • 9. 发明公开
    • Expandable carrier apparatus for a tire building machine
    • ExpandierbareÜbergabevorrichtungfürReifenaufbaumaschine。
    • EP0000265A1
    • 1979-01-10
    • EP78300068.0
    • 1978-06-22
    • NRM CORPORATION
    • Collins, Marcus H.Patel, Kiritkumar R.
    • B29H17/16
    • B29D30/2607
    • An expandable carrier apparatus for transferring a tire component such as tread and a radial tread ply band from a first work station to a further work station in a tire building machine includes an annular support member (12) and a fluid expandable annular tube element (16) having an upper wall portion (26) and a lower wall portion (24). The lower wall portion of the tube element is movable radially away from the upper wall portion upon expansion of the tube element and is movable radially toward the upper wall portion upon contraction of the tube element. The upper wall portion includes an annular peripheral surface which is bonded along a portion of the width thereof to the support member end the lower wall portion includes an annular outer peripheral surface having a plurality of gripper means (36) disposed in an annular array supported thereon which are operable to engage and grip tread and a radial tread ply band upon expansion of the tube element. A plurality of ply bands (46) are disposed in the lower wall portion of the tube element adjacent the plurality of gripper means to increase the rigidity of the lower wall portion to provide for uniform radial movement of the lower wall portion and gripper means upon expansion of the tube element to effect gripping of a radial tread ply band thereby and to prevent collapse of the tube element upon contraction. The ply bands add strength to the lower wall portion without increasing the stiffness of the side wail portions of the tube element.
    • 一种用于将轮胎部件(例如胎面和径向胎面胶带)从第一工作站传送到轮胎成型机中的另外的工作站的可膨胀载体设备包括环形支撑构件(12)和流体可膨胀环形管元件(16) )具有上壁部分(26)和下壁部分(24)。 管元件的下壁部分在管元件膨胀时可从径向远离上壁部分移动,并且在管元件收缩时可径向向上壁部分移动。 上壁部分包括沿其宽度的一部分粘合到支撑构件的环形周边表面,并且下壁部分包括具有多个夹持装置(36)的环形外周表面,所述夹持装置(36)以支撑在其上的环形阵列 其可操作以在管元件膨胀时接合和夹持胎面和径向胎面胶带带。 多个帘布层(46)设置在与多个夹持装置相邻的管元件的下壁部分中,以增加下壁部分的刚度,以在扩张时提供下壁部分和夹持装置的均匀的径向移动 以实现径向胎面胶带的夹持,并且防止管元件收缩时的塌陷。 层带对下壁部分增加强度,而不增加管元件的侧壁部分的刚度。
    • 10. 发明专利
    • FORMING DRUM FOR ELASTOMER BAND
    • JPS57201640A
    • 1982-12-10
    • JP8775381
    • 1981-06-08
    • SUMITOMO RUBBER IND
    • OOIWA ISAOTANIGUCHI NORIO
    • B29C33/46B29C67/00B29D30/00B29D30/24B29D30/26B29D30/52B29H17/16
    • PURPOSE:To make it possible to positiviely peel off and remove a carcass band from a drum in a short time by such an arrangement wherein on the surface of the drum many small holes which are interconnected to air chambers are drilled and compressed air is supplied to those air chambers from the innermost ones to the outermost ones in sequence at a fixed interval. CONSTITUTION:A carcass band whose forming has been completed is adhered closely to the surface of a drum 10, and when compressed air is supplied to an air chamber 11 at the center of the drum from an air pipe route 15, air is blown out from small holes 20 to cause the close adhesion at the central part of the drum to peel off. Next, compressed air is supplied to air chambers 12, 12 located both outsides thereof from an air pipe route 16, and air is blown out from small holes 20 and the peeled off part is expanded outward. Then, air is supplied to air chambers 13, 13 located both outsides thereof from an air pipe route 17, and lastly when air is supplied to air chambers 14 from a pipe route 18, the carcass band is completely separated from the forming drum and it is sent to the next stage of processing.