Coupling for plastic pipe

Abstract

A means and apparatus for connecting resilient conduit is provided in which a first section of resilient tubing of internal dimensions sufficient to slide over the conduits and having two grooves, one spaced from each end of the internal surface of the section with each groove containing resilient gasket material substantially filling the groove to form a gasket around the conduit is slid into place so that the conduits to be connected are juxtaposed within the first section of tubing between the gasketed grooves. An encasing tubing is placed around said first section of tubing at least overlying the resilient gasket material. A pair of split metal clamping rings with one ring adjacent each end of the first tubular section and joined by a plurality of spacer bars united at each end to the clamping rings is fitted over the encasing tubing in relation to apply pressure on the encasing tubing when the split rings are united in clamped position. Each ring has grooves between flattened areas of the inner surface which upon uniting of the rings in clamped position cause deformation of the conduit surface into the grooves thereby aiding in holding the clamped conduits in position.

Dependencies are inferred from the claim text.