Method and apparatuses for screening

  • US 9,027,760 B2
  • Filed: 10/16/2012
  • Issued: 05/12/2015
  • Est. Priority Date: 03/21/2007
  • Status: Active Grant
First Claim
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1. A vibratory screening machine, comprising:

  • a first wall member including a compression assembly;

    a second wall member including a stop surface; and

    a concave support surface located between the first and second wall members,wherein the compression assembly is configured to assert a force against a first surface of a screen assembly and press a second surface of the screen assembly against the stop surface of the second wall member and form the screen assembly into a concave shape against the concave support surface,wherein the compression assembly includes a bar member attached to the first wall member configured to assert the force against the screen assembly when the bar member is rotated.

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