Filter screen assembly

Details Filter screen assembly Filter screen assembly

1990-04-02

1992-08-11

Huppert, Michael S.

Classifying, separating, and assorting solids

Sifting

Elements

209408, 210499, B07B 146

Patent

active

051376229

ABSTRACT:
An assembly comprises a rectangular principal frame (12) of moulded plastics material and subdivided by crosspieces (14, 16) to form sub-areas (18). Each sub-area receives as a releasable snap-fit a plastics moulded insert (20) in the form of a sub-frame carrying one or more tensioned screen meshes (FIG. 1). A peripheral sealing gasket may seal the joint between each sub-area (18) and the insert (20).

REFERENCES:
patent: 3664503 (1972-05-01), Feldon
patent: 3875065 (1975-04-01), Rosenblum
patent: 4190527 (1980-02-01), Spiller
patent: 4219412 (1980-08-01), Hassall
patent: 4861462 (1989-08-01), Lehmann et al.
patent: 4885040 (1989-12-01), Wolff

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