Undulating screen for vibratory screening machine

Details Undulating screen for vibratory screening machine Undulating screen for vibratory screening machine

1995-05-18

1997-06-10

Terrell, William E.

Classifying, separating, and assorting solids

Sifting

Elements

209399, 210389, 210490, 2104931, 210499, B07B 149, B01D 3300

Patent

active

056367490

ABSTRACT:
A screening screen assembly for a vibratory screening machine includes a substantially planar apertured plate and an undulating subassembly of a support screen and a fine screening screen having ridges and troughs. A fused plastic grid bonds the fine screening screen to the support screen at spaced locations while leaving unobstructed portions of the screens therebetween. The undersides on the troughs are bonded to the apertured plate. The fused plastic grid includes first portions extending substantially perpendicularly to the length dimension of the ridges and throughout the major portion of the sides of the ridges and also includes second portions which extend transversely of the first portions and extend through spaced portions of the troughs while leaving unobstructed portions of the troughs therebetween.

REFERENCES:
patent: 5417793 (1995-05-01), Bakula
patent: 5417858 (1995-05-01), Derrick et al.
patent: 5417859 (1995-05-01), Bakula

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