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Cold forging apparatus and method for forming complex articles
   
Document Number
US Patent 6941782
Issued Date
September 13, 2005
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Inventors
Travis; Ray (Stevensville, MD)
Stone; Paul (Glen Rock, PA)
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Abstract
A cold forging apparatus for forming complex shapes at a single station includes a pair of confronting multiple function punch assemblies disposed on a common axis. Each of the multiple function punch assemblies includes an inner or a center punch and an outer or ring-shaped punch surrounding and in sliding contact with the inner punch. The apparatus also includes a die holder for positioning a mass or slug of metal between the punches. A computer system controls movement of the punches and is programmable to form parts of different shapes at a single station.
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Number of Claims:
19
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Owner
Published
September 13, 2005
Application Number
10/291,361
Filed
November 12, 2002
US Classification
72/17.2   72/21.5 72/355.6
Int'l Classification
B21C   25/08   (20060101)   B21C   23/02   (20060101)   B21C   25/00   (20060101)   B21C   23/20   (20060101)   B21J   9/18   (20060101)   B21J   13/02   (20060101)   B21J   9/20   (20060101)   B21J   5/00   (20060101)   B21J   7/14   (20060101)   B21J   9/02   (20060101)   B21J   7/00   (20060101)   B21J   9/00   (20060101)   B21J   5/02   (20060101)  
USPTO Field of Search
72/348   72/351   72/354.6   72/354.8   72/453.02   72/17.1   72/17.2   72/20.4   72/20.5   72/21.5   72/355.6   100/269.06  
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