Frame, frame structure for reinforcing frame and screen constructed by the frame

Frame, frame structure for reinforcing frame and screen constructed by the frame

  • CN 1,917,930 B
  • Filed: 12/14/2005
  • Issued: 01/11/2012
  • Est. Priority Date: 12/18/2004
  • Status: Active Grant
First Claim
Patent Images

1. framework stretches on said framework and fixing braided metal silk screen, can be used in from drilling for oil or from the drilling mud that reclaim the down-hole, filtering out the screen cloth of solid during natural gas so that form;

  • Said framework comprises linear pattern molded plastics framework;

    Through its fringe region, can said framework be fastened to the appropriate location in the vibrator, said framework has defined a plurality of linear pattern windows that formed by the orthogonal array of intersection rib;

    Said rib also is to be processed by moulding of plastics materials;

    At least some ribs in the wherein said rib are reinforced by a kind of rib ruggedized construction in inside, and this rib ruggedized construction comprises wall and the following wall gone up isolated wiry that quadrature intersects, and its length and width that within rib, is parallel to the rectilinear form of framework extends;

    Be used to improve their rigidity, wherein;

    1) fringe region of said framework is reinforced through and metal box-shaped cross-section component that define the perimeter reinforcement part connection in their four corners internally, and2) said end wiry is fixed on the said metal box-shaped cross-section component.

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