Woven wire screening and a method of forming the same

摘要

A woven wire screening for use in classifying material flowing therethrough and a method of forming the same. The woven wire screening includes a plurality of warp wires and a plurality of weft wires. The plurality of warp wires and the plurality of weft wires are interwoven to form an integral wire cloth having a plurality of openings for permitting material to be classified to flow through the openings. The integral wire cloth includes an upper screening surface configured to enhance the tumbling action of product impacting the upper screening surface to improve throughput of the woven wire screening.

主权项

1. A woven wire screening for use in classifying material flowing through said woven wire screening; said woven wire screening comprising:
(a) a plurality of weft wires; (b) a plurality of warp wires, said plurality of warp wires including a plurality of first warp wires and at least one second warp wire, said plurality of warp wires and said plurality of weft wires being interwoven to form an integral wire cloth having a plurality of openings for permitting material to be classified to flow through said openings; (c) each of said plurality of first warp wires being crimped to form upper and lower knuckles, said plurality of weft wires being crimped to form upper and lower knuckles, said plurality of weft wires having two substantially flat sidewalls, said plurality of weft wires having a first crimp depth and said plurality of first warp wires having a second crimp depth different from the first crimp depth such that said upper knuckles of said plurality of weft wires are offset vertically from said upper knuckles of said first warp wires creating a knuckle height differential between said upper knuckles of said plurality of weft wires and said upper knuckles of said first warp wires, said plurality of weft wires, said plurality of first warp wires and said at least one second warp wire being formed from wire having the same diameter; and (d) said at least one second warp wire is one of a straight wire and a crimped wire having a crimp depth different from said second crimp depth.