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    • 34. 发明公开
    • TIRE VULCANIZER
    • 轮胎VULCANIZER
    • EP2127841A1
    • 2009-12-02
    • EP08703796.6
    • 2008-01-24
    • Kabushiki Kaisha Kobe Seiko Sho
    • KUWABARA, HideakiOKADA, KazutoMITAMURA, HisashiMURATA, TomomichiTOSHIMA, MasatakeFUJIEDA, Yasuhiko
    • B29C33/04B29C35/02B29L30/00
    • B29D30/0601B29D2030/0667
    • It is an object of the present invention to prevent or suppress the occurrence of a temperature difference between upper and lower portions of a green tire in a vulcanizing process carried out by a tire vulcanizing machine 1 and thereby stabilize the tire quality. The tire vulcanizing machine 1 comprises a tire vulcanizing bladder 20 disposed inside a green tire 4, a jet section 90 for jetting a heating/pressurizing medium to the interior of the bladder 20, a medium supply path for supplying the heating/pressurizing medium to the jet section 90, and a holding section 14 for holding an edge portion of the bladder 20, the edge portion being located on the side close to the medium supply path. Further, there are disposed heat insulators 7, 11, 8 and 6 so as to suppress the transfer of heat from the heating/pressurizing medium jetted from the jet section 90, to a lower edge portion of the green tire 4.
    • 本发明的目的是防止或抑制由轮胎硫化机1进行的硫化过程中生胎的上部和下部之间温度差的发生并由此稳定轮胎质量。 轮胎硫化机1包括设置在生轮胎4内部的轮胎硫化用气囊20,用于将加热/加压介质喷射到气囊20内部的喷射部90,用于将加热/加压介质供给 喷射部90和用于保持气囊20的边缘部的保持部14,边缘部位于靠近介质供给路径的一侧。 另外,为了抑制从喷射部90喷射的加热加压介质的热传递到生胎4的下缘部,配置有隔热件7,11,8,6。
    • 36. 发明公开
    • PROCESS AND APPARATUS FOR MANUFACTURING TYRES
    • 用于制造轮胎的方法和设备
    • EP2091723A1
    • 2009-08-26
    • EP06832120.7
    • 2006-12-06
    • Pirelli Tyre S.p.A.
    • MARCHINI, MaurizioMARIANI, FiorenzoPIANTANIDA, Pier Giuseppe
    • B29D30/12B29D30/10B29D30/06
    • B29D30/12B29D30/0601B29D30/0645B29D2030/0647B29D2030/105
    • A green tyre (2) is either directly formed or, when building is over, engaged on an expandable toroidal support (23) to be then introduced into a vulcanisation mould (30) . The expandable toroidal support (23) comprises an expandable bladder (24) and a pair of pressure rings (28) each comprising first and second pressure sectors (29, 30) circumferentially distributed and operating at axially opposite positions on the expandable bladder (24) . Driving devices (31) act on the pressure rings (28) to selectively translate them between a work condition at which the pressure sectors (29, 30) of each pressure ring (28) , circumferentially aligned with each other, extend radially away from the geometric axis (X-X) , and a rest condition at which the pressure sectors (29, 30) are disposed close to the geometric axis (X-X) . Kinematic synchronisation members (32) operatively associated with the driving devices (31) mechanically mutually constrain the pressure rings (28), so as to impose a simultaneous and mutually symmetric movement on them.
    • 生轮胎(2)直接形成,或者当建筑物结束时与可膨胀的环形支撑件(23)接合,然后引入硫化模具(30)中。 可膨胀环形支撑件23包括可膨胀囊24和一对压力环28,每个压力环包括圆周分布并且在可膨胀囊24上的轴向相对位置处操作的第一和第二压力区段29,30, 。 驱动装置(31)作用在压力环(28)上以选择性地在压力环(28)的彼此周向对齐的压力区段(29,30)远离 几何轴线(XX)以及压力扇区(29,30)靠近几何轴线(XX)布置的静止状态。 可操作地与驱动装置(31)相关联的运动学同步构件(32)机械地相互约束压力环(28),以便在它们上施加同时且相互对称的运动。