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07-11-2012

Sifting screen

The invention relates to a screen frame adapted for use in a shaker and to which woven wire mesh is to be attached, comprising an outer perimeter and a plurality of plastics ribs extending between opposing regions of the perimeter, the frame being arranged such that, when fitted in a shaker to which it is adapted for, a portion of the opposing regions is clamped in place and a portion of the opposing regions is not clamped with the number of plastics ribs per unit length for the clamped portion greater than the number of plastics ribs per unit length for the unclamped portion, and wherein the screen further comprises at least one metal rib, extending between opposing, clamped regions of the perimeter and to a shaker comprising at least one such screen frame.

Document: EP2474371A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date: 03-08-2011
Publication date: 07-11-2012
Applicant: MI LLC, US ; UNITED WIRE LTD, GB
Inventor: CADY ERIC, US ; CARR BRIAN, US ; ROBERTSON GRAHAM, GB


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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