An automotive crashworthiness energy absorptive part 1 according to the present invention is provided at a front portion or a rear portion of an automotive body and configured to absorb crashworthiness energy when crashworthiness load is input from a front side or a rear side of the automotive body, and includes: a tubular member 3 to be axially crushed to absorb crashworthiness energy, the tubular member 3 having a top portion and side wall portions continuous to the top portion; and a resin 9 coating or patching at least inner surfaces of the top portion and the side wall portions of the tubular member 3. The coating or patching resin 9 has a thickness of 8 mm or less after heated and forms at least a part of a peripheral wall portion in a closed cross-sectional space, and adheres to the inner surfaces with an adhesive strength of 10 MPa or more.
AUTOMOTIVE CRASHWORTHINESS ENERGY ABSORPTION PART AND PRODUCTION METHOD FOR SAME
AUFPRALLENERGIEABSORPTIONSTEIL FÜR KRAFTFAHRZEUGE UND HERSTELLUNGSVERFAHREN DAFÜR
PIÈCE D'ABSORPTION D'ÉNERGIE RÉSISTANTE À L'ÉCRASEMENT POUR AUTOMOBILE ET SON PROCÉDÉ DE PRODUCTION
2024-04-10
Patent
Electronic Resource
English
European Patent Office | 2022
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