A screening device is provided with multiple channel upper and lower panel retaining members that allow multiple panel members to be slid in front of or behind each other. Channel end caps and close spacing of the upper and lower panel retaining members prevent removal of the panels from the screening device. A support structure uses angled castings and extrusion members for rapid custom screen device assembly that avoids long welding assembly times as well as subsequent weld failure due to screen device vibration. A corner panel, decorative trim, a top panel retaining member alignment tang, and a fastener concealing end cap are also provided.

 
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> Sizer for forming shaped polymeric articles and method of sizing polymeric articles

> Apparatus and methods for managing molds and forming transverse corrugations and other shapes in extruded tubular polymer melt parisons

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