Philmac Pty Ltd

Wayne A Harris

Guy M Phillipps

Coupling for outer surface engagement of polymeric pipe

A cover height adjuster which can be used for a boundary box, a manhole cover, etc. in a paved location having two rings with interengaging sloping castellated end surfaces extending around the peripheries of at least three sectors of the rings and can vary the height of the upper ring upon its rotation over the lower ring. The upper surface of the upper ring may have a slope which engages a sloping surface of a cover assembly, so that relative rotation can also vary the slope of the cover.

Cover height adjuster

A meter boundary box comprises an outer casing which is upstanding from a base, the outer casing containing a tubular housing with a lid thereon, the lid engaging the housing so that rotation of the lid effects rotation of the housing but arranged so that the lid can be lifted away from the housing, the housing containing a meter which is threadably engaged in a valve member, the valve member itself threadably engaging a manifold which incorporates the inlet and outlet conduits, the arrangement being such that by rotation of the lid, firstly the valve member can be closed and secondly the meter can be unscrewed from the valve member for easy removal.

Growing community of inventors

Plympton, Australia

Wayne A Harris