Tubular roll-formed automotive bumper

Vehicle fenders – Buffer or bumper type – End connections

Patent

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Details

293122, 138DIG11, B60R 1924

Patent

active

053060580

ABSTRACT:
A bumper bar for vehicles formed from rolled sheet steel having a closed tubular profile designed to have a high impact resistance, high strength-to-weight ratio, and a low cost of manufacture. The bar is preferably swept along its longitudinal axis to create a curvature consistent with modern automotive designs.

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Golze, R. R. et al., "Bumper Design, Materials, and Fabrication", Society of Automotive Engineers, Paper No. 730030, Jan. 1973, pp. 1-8.

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