Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 8, 2015
0Patent Application Number
132610350
Date Filed
June 9, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method of forming a product by shaping and hardening a sheet-steel blank formed from separate sheets welded together, heating the blank to the austenitising range, hot stamping the blank in a cooled tool pair, hardening the product while it remains in the tool pair, and cooling the weld between two adjacent sheets at a reduced cooling rate as compared to the cooling rate of areas on either side of the weld.
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