Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 7, 2009
Patent Application Number
11586253
Date Filed
October 25, 2006
Patent Primary Examiner
Patent abstract
A shaped part is made by forming in a flat steel plate a thickness-reducing groove and hot-shaping and hardening the flat steel plate into a three-dimensional shape. Then the plate formed with the groove is cooled, and a piece is sheared off the cooled plate along a cut line in the groove.
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