Patent ID: 6138383
Filing Date: 2000-10-31
Classification: A43B

Abstract:
A shoe insert comprising, a section of a vio-elastic material selected to provide a recovery action that is equal to the rate of impact generated by forces applied to the shoe insert to dissipate said forces and rebound to its original shape, which said section of polymeric material is cut to the shape of a shoe insole, has essentially flat top and bottom surfaces, includes a flat section of a soft material bonded to said top surface thereof and further includes, formed in said bottom surface thereof, a plurality of cavities, the shapes of which cavities, respectively, to be dome and cylindrical shaped with each said dome shaped cavity to have a volume that is approximately twice the volume or area each said cylindrically shaped cavity, plus or minus twenty (20) percent, and with a number of said dome shaped cavities formed in said polymeric material at points of greatest anticipated stress concentration and with a number of said cylindrical cavities formed adjacent to and around said insert edge.