DSI Underground Rib Butterfly Plate features both longitudinal and traverse vees for added strength and greater ability to conform to irregularities in rock surfaces.
Domed hole for use with domed ball.
Lightweight rib plate providing large surface area.
Designed with a profile that gives greater strength by strategically pressing the vees, placing the perimeter of the rib plate in tension.
Has ‘user friendly’ rounded corners.
Is suitable for direct placement onto the rock surface or used against welded mesh.
Are supplied with a slot for suspension of light services and some domed plates include a services support lug.
Corrosion protection may be provided by hot dip galvanizing.
Australian Patent Application Number 529082 DSI Underground Rib Butterflies.