US Patent 7174763 Hotformed hubs and method

Patent 7174763 was granted and assigned to American Axle on February, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

American Axle

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

71747630

Date of Patent

February 13, 2007

Patent Application Number

111245330

Date Filed

May 5, 2005

Patent Primary Examiner

‌

Lowell A. Larson

Patent abstract

A method of manufacturing an irregularly shaped forging includes heating a billet to a predetermined temperature, placing the heated billet within the cavity of a die, advancing a punch into the cavity to begin to disperse the material into a plurality of radially extending extremities of the cavity and continuing to advance the punch into the die to force a portion of the material to enter predetermined clearance zones between the punch and the die to form an irregularly shaped forging having a plurality of axially extending flash portions.