Cushioning structure

摘要

A cushioning structure is adapted to support a ioad and to reduce stresses on the load as the result of externally applied impact forces. The cushioning structure comprises an impact energy absorbing layer adapted to be placed between the load and the applied impact energy. The cushioning structure is configured such that the impact energy absorbing layer comprises a plurality of cells of a pliable material, and wherein at least some of said cells are in fluid communication with adjacent cells to provide a valved fluid transfer between said cells, and further wherein the means for effecting valved transfer between cells comprises a venturi valve.