ROHRBIEGEMASCHINE

An improved pipe bending die presenting a transversely concave and longitudinally convex bearing surface to the pipe. The bearing surface is comprised of a first longitudinal bearing surface which is hard and which provides substantially all of the external support for the pipe in the direction of the bend, and a second longitudinal bearing surface which is on either side transversely of the first bearing surface, which is compressible to a preselected degree and which provides support for the pipe to prevent bulging without damaging the external coating of the pipe. This abstract is neither intended to define this invention, which of course, is measured by the claims, nor is it intended to be limiting as to the scope of this invention in any way.