Patent ID: 6533333
Filing Date: 2003-03-18
Classification: F16L

Abstract:
A coupling segment comprising:an elongated arcuate body having opposing first and second ends; a generally concave surface extending between the first end and the second end; a longitudinal central plane extending from the first end to the second end; a tongue and a recess located side-by-side at the first end, the tongue being generally on an opposite side of the longitudinal central plane from the recess, the recess being slightly larger than the tongue to receive a substantially identical tongue of another coupling segment and form a tongue-recess interfit when the coupling segment is coupled together with the other coupling segment; and at least a first extension of the arcuate body protruding generally radially outwardly from the second end, located on one side of the longitudinal central plane and immediately adjoining a space on an opposing side of the plane, the at least first extension having a bore extending therethrough at least substantially perpendicular to the longitudinal central plane.