Patent ID: 6922863

Claim:
A cushioning apparatus adapted to cushion objects placed on either surface of said apparatus, said apparatus including one or more pieces of open cell self-inflating flexible polyurethane foam to form a foam core, said foam core is covered by one or more hermetically sealed envelopes forming one or more autonomous airtight chambers, means for controlling and modulating the principal characteristics of said open cell self-inflating flexible polyurethane foam, said means comprising means for removing some air uniformly from within said open foam cells to change the softness and support ratio within the foam core, said means for removing said air from said foam core including one or more valves installed in said chamber walls that are removably connected to a vacuum pump by way of a hose; said apparatus including one or more foam pieces combined to form one or more foam cores, said cores may have different factory preset density and IFD ratings and further combined into autonomous airtight chambers within said apparatus.