Importance

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Abstract

Impact dissipating helmet liners and protective barriers having internal cylindrical posts or pins are provided. The helmet liners and protective barriers include a flexible, fluid impermeable enclosure having an upper wall, an opposing lower wall, and a sidewall extending between the upper wall and the lower wall; a fluid contained in the enclosure; and cylindrical posts or pins extending from the lower wall to the upper wall, each of the cylindrical posts or pins at least partially restraining deflection of one of the upper wall and the lower wall. The helmet liners provided may include a central portion and lobes radially extending from the central portion and are adapted to conform to the shape of a helmet shell. The protective barriers disclosed may be constructed in any convenient shape compatible with the intended application of the protective barrier. Methods of fabricating helmet liners and protective barriers are also provided.

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First Claim