B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 3/12 (2006.01) A41D 31/00 (2006.01) A42B 3/06 (2006.01) A42B 3/12 (2006.01) B60J 5/00 (2006.01) B60R 19/18 (2006.01) B62D 25/00 (2006.01) E01F 15/14 (2006.01) F16F 7/12 (2006.01) F16F 9/30 (2006.01)
Patent
CA 2422415
An improved energy absorbing and impact attenuating module comprising multiple layers of energy absorbing cores, panels or articles fused or bonded together by common facing sheets or otherwise fixed or positioned adjacent or in juxtaposition to one another to form an integral module each layer comprising honeycomb, foam or other energy absorbing materials. The properties of the energy absorbing layers are designed and produced with a variation in physical properties such as thickness, density, crush and compressive strength to provide a specified non- progressive crush sequence of layers or segments of layers and specified compound load (stress) versus deflection (strain) response upon impact as the layers of the module crush. The successive layers in the crush sequence are positioned preferentially maximally distal to one another in the module. The module of the present invention is more efficient and effective than energy absorbing articles of prior art by incorporating multi-phase energy absorption, designated deceleration and attenuation of the impacting body, and transfer and reflection of impact energy within and between layers or segments of layers of the module. The energy absorbing and impact attenuating response of the module can be designed specifically for a wide range of impact energies and variety of applications including an impact-absorbing barrier for racecars, highway barriers, automobile bumper systems, automobile chassis components, interior and door panels, crash and sports helmets, safety and protective equipment, protective clothing and the like.
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