초록 ▼

A shock attenuation barrier including a plurality of layers successively arranged including a first layer, a second layer having a plurality of molded geometric shapes, a third layer including foam, a fourth layer having a plurality of molded geometric shapes and a fifth layer. Cavities defined by i

A shock attenuation barrier including a plurality of layers successively arranged including a first layer, a second layer having a plurality of molded geometric shapes, a third layer including foam, a fourth layer having a plurality of molded geometric shapes and a fifth layer. Cavities defined by inside surfaces of the geometric shapes and a surface of the foam layer preferably are filled with a shock absorbing filler material.

대표청구항 ▼

[ What is claimed is:] [1.] A shock attenuation barrier, comprising a first outer layer, a second intermediate layer and an inner layer;said first outer layer having a thermoplastic core and fiber reinforced thermoset resin outer sheets;said second intermediate layer having a plurality of truncated

[ What is claimed is:] [1.] A shock attenuation barrier, comprising a first outer layer, a second intermediate layer and an inner layer;said first outer layer having a thermoplastic core and fiber reinforced thermoset resin outer sheets;said second intermediate layer having a plurality of truncated tetrahedrons thereon which extend toward said first layer; andsaid inner layer comprising a foam layer, said truncated tetrahedrons defining cavities in said second layer that open toward said inner layer;said first layer, said second layer and said inner layer being secured together.