Patent ID: 7789435

Claim:
An annular beveled insert and pipe structure comprising; a first pipe having a plain end; a second pipe having a belled end, the belled end is expanded radially outwardly to terminate in an opening; the plain end of the first pipe received within the belled end of the second pipe; an annular main body portion having a substantially flat surface and a beveled opposed surface, the annular main body portion having inner and outer diameters approximately equal to inner and outer diameters, respectively, of the plain end of the first pipe, and the substantially flat surface received by an edge of the plain end in abutting relationship, with the beveled opposed surface directed perpendicularly away from the edge; a contact of electrically conductive material carried by the annular main body portion and extending through the main body portion from the substantial flat surface to the beveled opposed surface; and wherein the annular main body portion is captured between the edge of the plain end of the first pipe and a base of the belled end of the second pipe, the contact touching and extending between the edge of the plain end of the first pipe and the base of the belled end of the second pipe, electrically connecting the first pipe with the second pipe.