Separable means for excluding oversized slender objects

Details Separable means for excluding oversized slender objects Separable means for excluding oversized slender objects

1981-02-09

1983-01-11

Crowder, Clifford D.

Excavating

Peat excavators

37DIG8, 209267, 209356, 210170, E02F 392

Patent

active

043676014

ABSTRACT:
For screening oversized objects and especially long slender particles wherein the long dimension of the particle is aligned in the direction of flow through a fluid-flow conduit, there is provided a screen comprising a pair of opposing corrugated surfaces, the folds or corrugations on the opposing surfaces being substantially parallel, and separated by a distance, and having a wave length, determined by the size particle to be screened. Preferably, the corrugated surfaces are formed as two sets of a plurality of corrugated plates inserted within and extending along the direction of fluid-flow in a conduit, the sets being relatively movable between a position where the two sets are interleaved, and a position where the two are separated.

REFERENCES:
patent: 867984 (1907-10-01), Lake
patent: 979412 (1910-12-01), Bergsman
patent: 1834981 (1931-12-01), Stebbins
patent: 4171581 (1979-10-01), Donaldson et al.

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