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    • 4. 发明申请
    • PROCESS AND APPARATUS FOR BUILDING A TYRE
    • 建立轮胎的过程和装置
    • WO2014016755A1
    • 2014-01-30
    • PCT/IB2013/056004
    • 2013-07-22
    • PIRELLI TYRE S.P.A.POLITECNICO DI TORINO
    • LO PRESTI, GaetanoBALLABIO, MicheleBELFORTE, GuidoCARELLO, MassimilianaIVANOV, Alexandre
    • B29D30/62B29D30/16B29C47/92H03K17/955
    • B29D30/1621B29C47/92B29C2947/92304B29C2947/92409B29C2947/92485B29D30/1628B29D30/62H03K17/951H03K17/9537H03K17/955
    • A process for building a tyre, comprising : - energizing a resonant circuit (31) of an electromagnetic sensor (30; 30'; 30"), in such a way that the resonant circuit (31) generates an electromagnetic field in a region comprising a head (23) of an extruder (20), - measuring a parameter (V) of the resonant circuit, produced in response to the energizing of the resonant circuit, this parameter being a function of the electrical permittivity characteristics of the region, - starting to extrude a continuous elongated element (21) made of elastomeric material through an aperture (24) formed in the head (23) of the extruder, in such a way that the electrical permittivity characteristics of the region are modified, - detecting a variation of the parameter (V) caused by the modification of the electrical permittivity characteristics, thus determining the presence of the continuous elongated element (21) outgoing from the aperture, - putting a forming drum (2) into rotation about its axis of rotation (X), at the end of a predetermined time interval after the detection of the variation of the parameter, - distributing the continuous elongated element (21) along a radially outer surface (3) of the forming drum (2), thereby forming at least a portion of a component of a tyre by winding on turns which are in side by side relationship and/or at least partially overlapping. An apparatus arranged to operate according to this process is also described.
    • 一种用于构建轮胎的方法,包括: - 使所述电磁传感器(30; 30'; 30“)的谐振电路(31)通电,使得所述谐振电路(31)在包括 挤出机(20)的头部(23), - 测量响应于所述谐振电路的通电而产生的所述谐振电路的参数(V),所述参数是所述区域的介电常数特性的函数, 开始通过形成在挤出机的头部(23)中的孔(24)挤出由弹性材料制成的连续细长元件(21),使得该区域的介电常数特性被修改, - 检测变化 通过改变介电常数特性引起的参数(V),从而确定从孔口出来的连续细长元件(21)的存在, - 使成形鼓(2)绕其轴线转动 在检测到参数变化之后的预定时间间隔结束时,沿着成形鼓(2)的径向外表面(3)分布连续细长元件(21),从而形成 通过缠绕在并排关系和/或至少部分重叠的匝上的轮胎的部件的至少一部分。 还描述了根据该方法进行操作的装置。
    • 6. 发明申请
    • A PROCESS AND AN APPARATUS FOR BUILDING A TYRE.
    • 一种建立轮胎的过程和装置。
    • WO2013098724A1
    • 2013-07-04
    • PCT/IB2012/057476
    • 2012-12-19
    • PIRELLI TYRE S.P.A.POLITECNICO DI TORINO
    • BALLABIO, MicheleLO PRESTI, GaetanoBELFORTE, GuidoCARELLO, MassimilianaCOLOMBO, FedericoIVANOV, Alexandre
    • B29D30/10B29C47/92G01B13/00
    • B29D30/10B29C47/0021B29C47/92B29C2947/92019B29C2947/92304B29C2947/92409B29C2947/92571B29C2947/9259B29C2947/928G01B13/00
    • A process for building a tyre comprises: - supplying a fluid flow through a first nozzle (31; 131) of a pneumatic sensor (30; 130) which is provided in the region of a head (23) of an extruder (20), the fluid flow being directed in a flow direction (A; B) which does not interfere with a second nozzle (32; 132) of the pneumatic sensor which is connected to a pressure measuring unit (33), - starting to extrude a continuous elongate element (21) through an opening (24) which is formed in the head of the extruder, - redirecting the fluid flow via the continuous elongate element (21) into the second nozzle of the pneumatic sensor, - detecting a variation in pressure in the second nozzle (32; 132), thereby determining the presence of the continuous elongate element (21) output from the opening, - after a predetermined time from the detection of the variation in pressure, causing a forming drum (2) to rotate about its own axis of rotation (X), - distributing the continuous elongate element over a radially external surface (3) of the forming drum (2).
    • 一种用于制造轮胎的方法包括: - 通过设置在挤出机(20)的头部(23)的区域中的气动传感器(30; 130)的第一喷嘴(31; 131)供应流体流; 所述流体流动方向(A; B)被引导,所述流动方向(A; B)不与所述气动传感器的连接到压力测量单元(33)的第二喷嘴(32; 132)干涉, - 开始挤压连续细长 元件(21)通过形成在挤出机的头部中的开口(24), - 将流体经由连续细长元件(21)重定向到气动传感器的第二喷嘴中, - 检测压力变化 第二喷嘴(32; 132),从而确定从开口输出的连续细长元件(21)的存在, - 在从检测压力变化起的预定时间之后,使成形滚筒(2)围绕其旋转 自己的旋转轴线(X), - 分配连续细长元件ov 呃形成鼓(2)的径向外表面(3)。