Apparatus for roll-forming an automotive bumper

Details Apparatus for roll-forming an automotive bumper Apparatus for roll-forming an automotive bumper

1991-01-14

1992-04-14

Seidel, Richard K.

Metal fusion bonding

With means to deform work, filler, or flux portion before...

Comprising means forming one-piece blank into a tubular shape

228146, 72370, 72372, 72369, 72367, 72166, 72 52, 72168, B21B 1704, B21B 1710, B21D 901, B21D 912

Patent

active

051040263

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 design.

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R. R. Golze and R. F. Kienle, Bumper Design, Materials and Fabrication, Jan. 1973, pp. 1-8.

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