Screen assembly for vibrating screening machine
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United States of America Patent
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Feb 9, 1999
Issued Date -
N/A
app pub date -
Dec 20, 1996
filing date -
Jan 13, 1993
priority date (Note) -
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Abstract
A screen assembly for a vibratory screening machine including a frame in the nature of a plate having spaced apertures therein, spaced frame members on opposite sides of the apertures, a screen formed in an undulating shape having substantially parallel ridges with downwardly sloping sides, troughs formed between the downwardly sloping sides for conducting material which is being screened, undersides on the troughs, bonds for securing the undersides of the troughs to the spaced frame members which are located on opposite sides of the apertures, and channels at the sides of the plate for securing the frame to a vibratory screening machine.
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