Rolling mill coil-forming laying head with path or pipe having nested layer construction

Abstract

A rolling mill coil-forming apparatus includes a rotating quill that supports an elongated path hollow structure, such as a laying head pipe, for receiving elongated material after it has been rolled. A portion of the elongated structure or the entire structure is formed from nested, enveloping layers by inserting layers of pipe or other elongated hollow structure into each other. Elongated path hollow structures formed from nested layers can be constructed in any three dimensional compound curve shape that can replicate the smooth, continuous curve elongated material transport path of known laying pipes, or any other desired path.

Dependencies are inferred from the claim text.