United States Pipe and Foundry Company, LLC

Joe Weber

Lawrence S Jones

A restraining element for preventing separation of telescoped pipes comprising a compressible body of elastomeric material, the compressible body having metal segments spaced equidistantly around an exposed face of the body, each of the metal segments having a first exposed face with a row of teeth, at least four teeth of the row of teeth lying in an arc, and at least some of the metal segments having a single tooth extending radially outwardly beyond the face of the metal segment opposite the first exposed face.

Restraining element for pressure pipe joints

A restraining element for preventing separation of telescoped pipes comprising a compressible body of elastomeric material, the compressible body having metal segments spaced equidistantly around an exposed face of the body, each of the metal segments having a first exposed face with a row of teeth extending radially inwardly and a single acutely pointed tooth extending radially outwardly beyond the face of metal segment opposite said first exposed face.

A wall at one end of a chamber in the bell end of an enclosing pipe is adapted to receive the nose end of toothed metal segments to prevent disengagement of pipes and to transfer radial forces into axial forces.

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Birmingham, AL, United States of America

Joe Weber