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    • 2. 发明申请
    • Vertical moulding of long concrete articles
    • 长型混凝土制品垂直成型
    • US20070052123A1
    • 2007-03-08
    • US10571767
    • 2004-10-06
    • Graeme Hume
    • Graeme Hume
    • B28B3/00
    • B28B7/0011B28B7/30B28B7/46B28B21/88
    • Vertical moulds are provided for making concrete pipes poles or piles. The mould can be opened along its length and has an internal flexible rubber or polymer liner (5) in which the edges of the mould shell (63), that seal together when the mould is closed, incorporate a sealing strip (51) bonded to the mould liner (5) and supported on flanges (53) running parallel to the edges of the mould shell the attachment of the sealing strip (51) to the flanges (53) being arranged to allow the sealing strip (51) to follow the movement of the mould liner (5) during opening of the mould and removal of the moulded article. When moulding long hollow concrete articles of constant cross section an expandable core is used which can be contracted to allow easy removal of the articles of constant cross section from the mould. Also disclosed is a method of moulding long concrete articles in which an homogenous concrete mixture is subjected to a moulding pressure above (5) bar in the absence of vibration. The method is adaptable to making hollow poles or piles of annular non circular cross section especially elliptical poles or piles or poles with a rectangular base an elliptical body section and a circular top section.
    • 提供垂直模具用于制造混凝土管柱或桩。 模具可以沿其长度打开,并且具有内部柔性橡胶或聚合物衬套(5),当模具关闭时,模制壳体(63)的边缘封闭在一起,其中结合有密封条(51) 模具衬套(5)并且支撑在平行于模具外壳的边缘延伸的凸缘(53)上,密封条(51)附接到凸缘(53)被布置成允许密封条(51)跟随 在模具打开期间模具衬套(5)的移动和模制品的移除。 当模制具有恒定截面的长的中空混凝土制品时,使用可膨胀的芯,其可以收缩以允许容易地从模具中移除恒定横截面的制品。 还公开了一种模制长混凝土制品的方法,其中均匀混凝土混合物在不存在振动的情况下经受(5)巴以上的模压。 该方法适用于制造环形非圆形横截面的中空杆或桩,特别是具有椭圆形截面和圆形顶部的矩形基部的椭圆形杆或桩或杆。