Purifier screen of non-welded manufacture

Details Purifier screen of non-welded manufacture Purifier screen of non-welded manufacture

1988-03-04

1989-05-09

Reeves, Robert B.

Classifying, separating, and assorting solids

Sifting

Elements

209395, 209273, 209406, 29450, 210232, 210488, 21049701, B01D 2514

Patent

active

048286893

ABSTRACT:
A screen for a purifier or separator, especially for a paper pulp purifier embodied by assembly of parallel bars on crosspieces, the assembly being made without welds on the crosspieces by dovetailed notches being borned by the bars, the lips of the notches fitting in V-shaped lateral grooves borne by each of the crosspieces, characterized in that the bars (6) comprise, laterally, on at least one side (6a6b) at least one recess (10) so that the width of the bar is diminished at the level of the recess (10) by the recessed depth, and in that the bars are mounted in juxtaposition on the crosspieces (7), in contact against one another by their non-recessed parts.

REFERENCES:
patent: 135608 (1873-02-01), Vandegrift
patent: 1362334 (1920-12-01), Marcy
patent: 1414132 (1922-04-01), Hurrell
patent: 1770977 (1930-07-01), Fowden
patent: 2346647 (1944-04-01), Bennison
patent: 3381355 (1968-05-01), Bixby
patent: 4374169 (1983-02-01), Gryskiewicz et al.

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