Solids screens

Details Solids screens Solids screens

1987-04-24

1989-04-11

Marbert, James B.

Classifying, separating, and assorting solids

Sifting

Elements

209274, 209401, 210499, B07B 146

Patent

active

048204072

ABSTRACT:
A new and unique pattern and use of flexible ribs on a solids filtering screen, such as those used in drilling wells for hydrocarbons and other substances, in conjunction with a coordinated system for hanging such screens and directing the flow of trapped solids over the surface of such screens, is disclosed. The invention counteracts the tendency of trapped solids to migrate to and congregate in the lowest areas of a suspended screen, and therefore the invention reduces the incidence of screen tearing and increases the flow rate through the screen.

REFERENCES:
patent: 948222 (1910-02-01), Honabach
patent: 1082612 (1913-12-01), Smith et al.
patent: 1142434 (1915-08-01), James
patent: 2314880 (1943-03-01), Heller
patent: 4247007 (1981-01-01), Kal
patent: 4691744 (1987-08-01), Haver et al.

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