Reinforcement for a moulded filtering screen support frame
    1.
    发明授权
    Reinforcement for a moulded filtering screen support frame 有权
    用于模制过滤网支架的加强件

    公开(公告)号:US06713190B2

    公开(公告)日:2004-03-30

    申请号:US10098005

    申请日:2002-03-13

    IPC分类号: B32B522

    摘要: A method is described for making a reinforcing wire frame for embedding in a moulded polymer support frame over which woven wire cloth is to be stretched and secured to form a sifting screen. The method involves locating lengths of cut wire substantially equally spaced apart in a jig to form a first array. A second array of lengths of cut wire is located over the first array with the lengths of wire in the second array being substantially at right angles to those of the first array. The lengths of wire in the first and second arrays are resistance welded at points of mutual intersection so as to form a first substantially rectilinear matrix. Lengths of cut wire are located in a jig to form a third array, in which the lengths are also substantially equally spaced apart, and a fourth array of lengths of cut wire is arranged over the third array with the lengths of the fourth array substantially at right angles to the lengths of wire of the third array, and the wires of the third and fourth arrays are also resistance welded at points of mutual intersection to form a second substantially rectilinear matrix.

    摘要翻译: 描述了一种用于制造用于嵌入到模制的聚合物支撑框架中的增强线框架的方法,在该模制聚合物支撑框架上,编织线布将被拉伸和固定以形成筛网。 该方法包括将切割线的长度定位在夹具中基本等间隔开以形成第一阵列。 切割线的长度的第二阵列位于第一阵列上方,第二阵列中的线的长度基本上与第一阵列的长度成直角。 第一和第二阵列中的线的长度在相互交叉的点处被电阻焊接,以便形成第一基本上直线的矩阵。 切割线的长度位于夹具中以形成第三阵列,其中长度也基本等间隔开,并且第四阵列的长度的第四阵列的切割线布置在第三阵列上,其中第四阵列的长度基本上在 与第三阵列的线的长度成直角,并且第三和第四阵列的线也在相互交叉的点处被电阻焊接以形成第二基本上直线的矩阵。

    Filtering screen and support frame therefor
    2.
    发明授权
    Filtering screen and support frame therefor 有权
    过滤屏幕和支持框架

    公开(公告)号:US06692599B2

    公开(公告)日:2004-02-17

    申请号:US10097920

    申请日:2002-03-13

    IPC分类号: B32B3500

    摘要: A method of repairing or refurbishing a filter screen is described. The type of screen is defined in the specification. The repair or refurbishment is effected by stripping worn or damaged wirecloth from the surface of the frame and placing fresh cloth over the frame and tensioning it as appropriate. Heat is then applied so as to soften surfaces of the frame over which wirecloth is stretched, so that the latter can penetrate softened plastics material in the surfaces and become embedded therein. The frame and its associated fresh cloth is allowed to cool, after which the applied tensioning is removed. Exposed edges of the wirecloth can be trimmed back to the surrounding flange. Plastics material may be applied to the surface of the frame which is to receive the new wirecloth, before the latter is fitted, to provide additional plastics material for bonding the wirecloth to the frame. Alternatively the stripped frame may be inserted in a mould, and fresh polymer material is injected into the mould so as to reform ridges on the surfaces of the frame similar to those which existed when the frame was first manufactured, before the wirecloth is applied thereto.

    摘要翻译: 描述了一种修复或翻新滤网的方法。 屏幕类型在规范中定义。 修理或翻新是通过从框架表面剥去磨损或损坏的布线,并将新鲜布放置在框架上并适当张紧来实现的。 然后施加热量以软化被拉伸的布线的框架的表面,使得后者可以穿透表面中的软化塑料材料并嵌入其中。 将框架及其相关的新鲜布子冷却,之后除去所施加的张力。 线缆的暴露边缘可以修剪回到周围的法兰上。 塑料材料可以被施加到框架的表面,该框架的表面将在其装配之前被接纳新的布线,以提供用于将布线粘合到框架的附加塑料材料。 或者,剥离的框架可以插入模具中,并且将新鲜的聚合物材料注入到模具中,以便在将布线施加到框架之前改变与框架首次制造时存在的那些相似的框架表面上的脊。