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    • 2. 发明授权
    • Grooved drum for tire building machine
    • 轮胎成型机槽
    • US5116449A
    • 1992-05-26
    • US577358
    • 1990-09-04
    • Arnold J. FabrisValdis L. PareizsLeonard S. Stokes
    • Arnold J. FabrisValdis L. PareizsLeonard S. Stokes
    • B29D30/24B29D30/32
    • B29D30/0685B29D30/247B29D30/32B29D2030/069B29D2030/3207B29D2030/3214B29D2030/3242Y10T152/10666Y10T152/10675
    • An apparatus for building a tire having an inner liner to which a sealant strip is to be laminated, comprises a rotary drum having a surface in which a trough or "groove" is provided. The depth of the groove corresponds approximately to the thickness of a layer of an elastomeric sealant which is to be placed in the groove. If the walls of the groove are contoured so as to confine the sealant layer in a specified manner while accommodating the thermo-viscous properties of the laminate, the completed first stage carcass may be removed without damaging the sealant layer which is adhered to the inner liner. The rotary drum is provided with fingers movable to a position to support the tire bead by means of an annular piston and cylinder surrounding the shaft of the drum and connected to the fingers by bell cranks which are pivotally mounted in the drum and operatively interconnected with means to move the fingers radially between an inactive position and a bead engaging position in response to appropriate axial movement of the drum mechanism.
    • 一种用于制造具有内衬的轮胎的装置,其中密封条将被层压到该内衬上,包括具有设置有槽或“槽”的表面的旋转滚筒。 槽的深度大致对应于要放置在槽中的弹性体密封剂的层的厚度。 如果槽的壁成形,以便以特定的方式限制密封剂层,同时容纳层压体的热粘性,则完成的第一阶段的胎体可以被去除,而不会损坏粘合到内衬的密封剂层 。 旋转滚筒设置有可移动到可通过环形活塞和气缸支撑轮胎胎圈的位置的手指,所述环形活塞和圆筒围绕滚筒的轴并通过钟形曲柄连接到手指,该曲柄枢转地安装在滚筒中并且与装置 以响应于鼓机构的适当的轴向运动而在非活动位置和胎圈接合位置之间径向移动手指。
    • 4. 发明授权
    • Apparatus for forming the bead and sidewall portions of a pneumatic tire
and apparatus and method of making the same
    • 用于形成充气轮胎的胎圈和侧壁部分的装置及其制造方法
    • US4199393A
    • 1980-04-22
    • US939946
    • 1978-09-06
    • Robert L. BrownKenneth W. DunawayVirgil E. Henley
    • Robert L. BrownKenneth W. DunawayVirgil E. Henley
    • B60C15/00B29B15/00B29C53/00B29C67/00B29D30/00B29D30/32B60C13/00B29H17/12
    • B29D30/32B29D2030/3228B29D2030/3242
    • A tire building apparatus is provided having an improved mechanism for turning up the plies of the tire carcass and wrapping them around each tire bead ring. The mechanism is designed so that it can also be used to apply the sidewall pads to the expanded carcass of a radial tire. The improved mechanism includes a bladder that has a molded conical portion in its outer fold adjacent the building drum. This conical portion extends very close to the bead ring positioned adjacent the carcass at the sides of the drum shoulders. The improved mechanism also includes a control ring insert placed inside said bladder and radially inwardly from the conical portion of the outer bladder fold. When the bladder is inflated to wrap the carcass plies around the bead ring, the control ring insert and the molded conical portion of the outer bladder fold combine to provide an improved, tighter wrapping of the carcass plies around the bead ring. They also provide a smoother, more accurate positioning of a sidewall pad to an expanded radial tire carcass when the mechanism is employed for that purpose. There is also provided a method and apparatus for molding a bladder having a conical portion in its outer fold.
    • 提供了一种具有改进的轮胎胎体帘布层的机构并将其包裹在每个胎圈环周围的轮胎制造装置。 该机构被设计成使得其也可以用于将侧壁垫施加到子午线轮胎的膨胀的胎体上。 改进的机构包括在其邻近构建鼓的外部折叠中具有模制的锥形部分的囊。 这个圆锥形部分非常靠近在鼓肩的侧面邻近胎体定位的胎圈环。 改进的机构还包括放置在所述囊内并且从外囊折叠的圆锥形部分径向向内放置的控制环插入件。 当膀胱膨胀以将胎体帘布层包裹在胎圈环周围时,控制环插入件和外囊折叠的模制锥形部分组合以提供围绕胎圈环的胎体帘布层的改进的更紧密的包裹。 当该机构用于该目的时,它们还提供更平滑,更准确的将侧壁垫定位到扩展的子午线轮胎胎体上。 还提供了一种用于模制在其外部折叠中具有锥形部分的囊的方法和装置。