IN-PROCESS LASER HARDENING/FORMING OF VEHICLE SEAT STRUCTURES AND COMPONENTS
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United States of America Patent
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app pub date -
May 22, 2015
filing date -
May 23, 2014
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Abstract
A component formation and hardening process, and component (18, 30, 32, 36 and 50) made therefrom are provided. The process includes providing a steel blank (10) and inserting the blank (10) into a press (14), preliminarily stamping the steel blank (2) using a stamping press to form a preliminarily stamped intermediate component (22) and laser hardening (3, 3′) the preliminarily stamped intermediate component in selected regions of the stamped component. Subsequent to the step of laser hardening, the preliminarily stamped intermediate component is further stamped (4) to form a stamped component (18). The stamped component (18) is then ejected (5) from the stamping press as a stamped component with selectively hardened regions. The component made by the process has a defined load path based on regions that have been hardened and regions that retain the material characteristics.
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