20120318305 | Device and Method for Controllably Cooling Metal Billets to be Hot Extruded - A method for carrying out a controlled cooling thermal processing of aluminium billets or other metal materials to be extruded, characterized in that said billets, at a temperature of about 560° C., are arranged one at a time on a horizontally arranged cradle, including locking jaws, said cradle, with a billet arranged therein, being rotatively driven through 90° about a horizontal pivot pin thereby performing a partial controlled immersion, at one end portion thereof, into a water basin having a temperature equal to or slightly larger than an environment temperature. | 12-20-2012 |