The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 26, 2011
Filed:
Sep. 04, 2007
John Engquist, Saint Charles, IL (US);
Bret E. Viant, Glendale Heights, IL (US);
Mark R. Haas, Geneva, IL (US);
Kurt Kujawski, Sandwich, IL (US);
Matthew D. Bowman, Saint Charles, IL (US);
Kevin J. Skibinski, Geneva, IL (US);
John Engquist, Saint Charles, IL (US);
Bret E. Viant, Glendale Heights, IL (US);
Mark R. Haas, Geneva, IL (US);
Kurt Kujawski, Sandwich, IL (US);
Matthew D. Bowman, Saint Charles, IL (US);
Kevin J. Skibinski, Geneva, IL (US);
Burgess-Norton Mfg. Co., Inc., Geneva, IL (US);
Abstract
A method of forming a crankshaft bushing or similar component is provided. A compaction die is provided having an axial, generally cylindrical internal opening. An upper and a lower punch are provided with exterior surfaces corresponding to the internal opening of the compaction die. An upper core rod passes through an axial opening in the upper punch. A lower core rod passes through an axial opening in the lower punch. The upper core rod and the lower core rod each may have a generally flat external surface section. A metal powder is compacted in the compaction die by the combined action of the upper and lower punches and the upper and lower core rods.