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    • 3. 发明授权
    • Factory-type apparatus for producing prestressed concrete products
    • 用于生产预应力混凝土产品的工厂型设备
    • US4061454A
    • 1977-12-06
    • US668930
    • 1976-03-22
    • Mircea Borcoman
    • Mircea Borcoman
    • B28B5/00B28B5/04B28B5/10B28B15/00B28B1/10B28B23/04
    • B28B5/10
    • A factory for manufacturing concrete products, in particular prestressed concrete products, comprising a rotary supporting housing of a general cylindrical shape, having a horizontal axis of rotation and conveying moulds, for the concrete products, placed on its internal surface. The rotary housing comprises a circular carrier structure supported by means permitting the rotation of the said carrier, and a structure, resistant to longitudinal stresses, arranged in the interior of the carrier structure. The resistant structure comprises, on the one hand, longitudinal recesses adapted to receive sets of moulds, and, on the other hand, at one longitudinal end means for the attachment of reinforcement wires of the concrete products and, at its other longitudinal end, means for tensioning the reinforcement wires, such that the tensile stresses of these wires are taken up exclusively by the aforesaid resistant structure.
    • 一种用于制造混凝土产品,特别是预应力混凝土产品的工厂,包括一般圆柱形的旋转支撑壳体,具有水平旋转轴线和输送模具,用于混凝土产品,放置在其内表面上。 旋转壳​​体包括通过允许所述载体的旋转的装置支撑的圆形载体结构,以及布置在载体结构内部的抵抗纵向应力的结构。 一方面,阻力结构包括适于容纳一组模具的纵向凹部,另一方面,在一个纵向端部处,用于附接混凝土产品的加强丝,并且在其另一纵向端部具有装置 用于张紧加强线,使得这些线的拉伸应力仅由前述的耐磨结构承受。