Shock attenuation barrier

F - Mech Eng,Light,Heat,Weapons – 42 – B

Patent

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Details

F42B 39/24 (2006.01) B32B 3/30 (2006.01) B32B 5/18 (2006.01) E04B 1/82 (2006.01) F41H 5/16 (2006.01) F42D 5/045 (2006.01)

Patent

CA 2352784

A shock attenuation barrier (1) including a plurality of layers successively arranged including a first layer (4), a second layer (3) having a plurality of molded geometric shapes (10), a third layer (2) including foam, a fourth layer (3) having a plurality of molded geometric shapes (10) and a fifth layer (4). Cavities (15) defined by inside surfaces of the geometric shapes (10) and a surface of the foam layer (2) preferably are filled with a shock absorbing filler (20) material.

L'invention concerne une barrière atténuant les chocs, comportant plusieurs couches successives, dont une première couche, une deuxième couche possédant plusieurs formes géométriques moulées, une troisième couche comprenant de la mousse, une quatrième couche possédant plusieurs formes géométriques moulées et une cinquième couche. Des cavités délimitées par les surface intérieures des formes géométriques et une surface de la couche en mousse sont de préférence remplies d'un matériau de remplissage amortissant les chocs.

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