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 including a plurality of side members and having a mating surface; and a screen supported by the frame, wherein the screen assembly is configured to form a predetermined concave shape when subjected to a compression force by a compression assembly of the vibratory screening machine against at least one side member of the screen assembly when placed in the vibratory screening machine, wherein the screen assembly mating surface is configured to interface with a mating surface of the vibratory screening machine such that the screen is guided into a fixed position on the vibratory screening machine.