Patent ID: 9283908
Filing Date: 2016-03-15
CPC Classification: B21D,B60R,C21D,Y10T

Claim Text:
1. A method of making a beam-box crash management system, comprising: forming a first shell from a first sheet metal blank by a hot forming process, the first shell having a high tensile strength beam portion and integrally formed therewith a first low yield strength crash box portion proximate a first end of the beam portion and a second low yield strength crash box portion proximate a second end of the beam portion, the first shell having an open face extending continuously along the beam portion and each of the first and second crash box portions; forming a closing element from a second sheet metal blank by a cold stamping process; and fixedly securing the closing element adjacent to the open face of the first shell to enclose the beam portion and each of the first and second crash box portions of the first shell.