METHOD AND APPARATUSES FOR SCREENING

摘要

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.

主权项

1. A screen assembly for a vibratory screening machine, comprising:
a frame; a screening surface supported by the frame; wherein the screen assembly includes a convex bottom portion configured to mate with a concave support surface of the vibratory screening machine, wherein the frame includes a first surface configured to interface with a compression assembly of the vibratory screening machine and a second surface configured to interface with a stop surface of the vibratory screening machine and the screen assembly is configured such that it substantially maintains its shape when it is subjected to a force from the compression assembly, wherein the compression assembly secures the screen assembly to the vibratory screening machine.