摘要 |
A perforated plate for a vibratory sifter, the perforated plate including a base plate comprising a plurality of openings formed therethrough, and a flange integrally formed with the base plate. A method of forming a screen assembly for a vibratory sifter, the method including forming a base plate, forming a plurality of openings extending from a top surface to a bottom surface of the base plate, and forming an integral flange on the base plate. |