Patent ID: 9545653
Date: 2017-01-17
CPC Classifications: B21C,B29C,C21D

Claim:
1. A method for continuously loading and extruding a plurality of billets, the method comprising: loading a first billet at a receiving end of an elongate mandrel bar; transporting the first billet along the mandrel bar and through gripping elements that secure in place and prevent rotation of the mandrel bar, wherein at any given time at least one of the gripping elements is gripping the mandrel bar; transporting the first billet along the mandrel bar and through cooling elements that clamp to the mandrel bar and deliver cooling fluid to the mandrel bar, wherein at any given time at least one cooling element is clamped to the mandrel bar; and extruding the first billet to form an extruded material by pressing the first billet through a rotating die rotating at a speed between 200 RPM and 1000 RPM, wherein the first billet is followed by an adjacent second billet that forms a part of the extruded material.