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    • 6. 发明申请
    • Vehicle mounted concrete mixing drum and method of manufacture thereof
    • 车载混凝土搅拌筒及其制造方法
    • US20060152997A1
    • 2006-07-13
    • US10516726
    • 2003-05-31
    • Anthony KhouriWilliam Rodgers
    • Anthony KhouriWilliam Rodgers
    • B28C5/42
    • B29C65/00B28C5/1868B28C5/4268B29C65/56B29C66/1122B29C66/543B29C66/63B29C66/71B29C66/721B29C66/7212B29C66/72141B29C66/72143B29C70/32B29C70/88B29L2031/7154B29K2075/00B29K2309/08
    • A method of manufacture of a vehicle mounted rotary concrete mixing drum of the type having an opening at one end for receiving and/or discharge of concrete therefrom and at the other end, means for engaging a drive assembly so as to rotate the drum for mixing or discharging concrete. The drum is manufactured from at least one mould using at least one plastics material and further includes integrally attached vanes which outstand from the internal surface of the drum forming an archimedian spiral disposed such that when the drum is rotated in a first direction the concrete contents are mixed and when the drum is rotated in a second direction the contents are discharged from the drum; wherein, the method comprises the steps of; a) preparing a first generally helical inner mold part containing a surface extending between first and second helical edges; b) mounting the first helical inner mould part on a support c) enclosing the inner helical mold assembly within an outer mould formed by at least one outer mold part; d) fitting a second mating inner helical mold part to the first inner mould part to form an inner mold assembly; e) injecting a polyurethane elastomer into a cavity defined by said inner mold assembly and the outer mould assembly to form an inner wall element comprising one half of an interior wall of the mixer and one helical blade; f) allowing said polyurethane to cure; g) removing said at least one outer mold parts to expose said inner wall element; h) removing said inner wall element one of said inner molds;
    • 一种制造车辆的旋转混凝土搅拌滚筒的方法,该滚筒的一端具有用于接收和/或排出混凝土的端部,另一端具有用于接合驱动组件以便使滚筒旋转以便混合的装置 或排出混凝土。 滚筒由至少一个模具制造,使用至少一种塑料材料,并且进一步包括一体地连接的叶片,该叶片从滚筒的内表面突出,形成阿基米德螺旋,其设置成当滚筒沿第一方向旋转时,具体内容物 当滚筒沿第二方向旋转时,内容物从滚筒中排出; 其中,所述方法包括以下步骤: a)制备包含在第一和第二螺旋边缘之间延伸的表面的第一大致螺旋形内模部分; b)将第一螺旋内模部件安装在支撑件c)上,该支撑件c)将内螺旋模具组件包围在由至少一个外模具部件形成的外模内; d)将第二配合内螺旋模具部件装配到第一内模部件以形成内模组件; e)将聚氨酯弹性体注入到由所述内模组件和所述外模组件限定的空腔中,以形成包括所述混合器的内壁的一半和一个螺旋叶片的内壁元件; f)使所述聚氨酯固化; g)去除所述至少一个外部模具部件以暴露所述内壁元件; h)去除所述内壁元件中的一个所述内模;