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    • 3. 发明申请
    • METHOD TO MAKE AN ARM FOR THE DISTRIBUTION OF CONCRETE, AND ARM THUS MADE
    • 制作用于分配混凝土和ARM THUS的ARM的方法
    • US20100230371A1
    • 2010-09-16
    • US12403802
    • 2009-03-13
    • Nicola PIRRIDavide CipollaMauro Marco Cortellini
    • Nicola PIRRIDavide CipollaMauro Marco Cortellini
    • B66C23/00B32B7/08
    • B66C23/64E04G21/04E04G21/0436Y10T29/49876
    • A method to make an arm for the distribution of concrete, or other material similar to concrete, used on heavy work vehicles, wherein the arm comprises a plurality of segments selectively folding and extendible one with respect to the other. Each segment comprises a main girder and auxiliary elements for connection to adjacent segments or for attachment of movement and/or supporting devices for the pipe that carries the concrete. The method comprises a first step in which each main girder is formed, with a predefined length, by depositing a plurality of layers of pre-impregnated composite material in a female type mold. The method comprises a second step in which the composite material, deposited in layers in the mold in a variable number of layers, is subjected to polymerization. The method comprises a third step in which each main girder is removed from the mold and a fourth step in which the auxiliary elements are associated with each girder so as to form a relative segment. The method comprises a fifth step in which the extendible arm is assembled, connecting the various segments at the respective ends. The cross section of each of the main girders of the segments is substantially constant over the whole length thereof. The female mold consists of one or more elementary molds of equal section, connected in sequence with each other according to the overall length of the main girder to be made.
    • 一种用于在重型工作车辆上使用的混凝土或类似于混凝土的其他材料的分配的臂的方法,其中所述臂包括相对于另一个选择性地折叠和延伸的多个段。 每个段包括主梁和用于连接到相邻段的辅助元件或用于附接用于承载混凝土的管道的运动和/或支撑装置。 该方法包括第一步骤,其中每个主梁通过在母型模具中沉积多层预浸渍复合材料而以预定长度形成。 该方法包括第二步骤,其中以不同数量的层沉积在模具中的复合材料进行聚合。 该方法包括第三步骤,其中每个主梁从模具中移除;以及第四步骤,其中辅助元件与每个梁相关联以形成相对段。 该方法包括第五步骤,其中可扩展臂被组装,在相应端部处连接各个段。 每个主梁的横截面在其整个长度上基本上是恒定的。 阴模由一个或多个相等截面的基本模具组成,根据要制造的主梁的总长度依次相互连接。