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US 11,344,917 B2Granted
Method and apparatus for screening
AssigneeDerrick Corporation
InventorsKeith Wojciechowski, Christian Newman
Life of this patent
Estimating the term…
Abstract
A screening machine includes wall members, screen assembly guide members, a screen assembly and a compression assembly. The screen assembly includes a frame with a plurality of side members and a screen supported by the frame. The compression assembly is attached to at least one wall member and forms the screen assembly into a concave shape.
Claims19
A vibratory screening machine, comprising:
- a replaceable screen assembly;
- and
- a compression assembly that is configured to exert a force on a rigid member of the replaceable screen assembly and deform the replaceable screen assembly into a concave shape and secure the replaceable screen assembly to the vibratory screening machine.
A vibratory screening machine, comprising:
- a replaceable screen assembly;
- a compression assembly that is configured to secure the replaceable screen assembly to the vibratory screening machine by applying a force to the replaceable screen assembly and deforming the replaceable screen assembly into a concave shape;
- and
- a vibratory apparatus secured to the vibratory screening machine and configured to vibrate the replaceable screen assembly.
1 more element
A method of screening a material, the method comprising:
- placing a replaceable screen assembly on a vibratory screening machine;
- exerting a compressive force on the replaceable screen assembly, using a compression assembly, to thereby secure the replaceable screen assembly to the vibratory screening machine and to deform the replaceable screen assembly into a concave shape;
- and
- screening the material.
1 more element
Dependencies are inferred from the claim text.