Patent ID: 7219448
Filing Date: 2007-05-22
Classification: A43B,Y10T

Abstract:
1. A health-promoting insole made by the steps comprising: mixing bamboo charcoal powder in a percentage of about 5% with about 95% of filament fibers to form a powder/filament mixture; knitting and drawing the powder/filament mixture to form an upper layer having a plurality of hollow support rings densely arranged at the upper surface of the upper layer; mixing bamboo vinegar liquid and bamboo charcoal powder in a ratio of about 1 to 2 to form a liquid/powder mixture; drying the liquid/powder mixture by heating; adding foaming material in a percentage of about 5% to about 10% to the liquid/powder mixture to form a bottom layer; binding the upper and bottom layers together with a fastening agent; cutting the bound upper and bottom layers into the shape of a shoe insole, wherein the upper and bottom layers are configured for absorbing moisture, deodorizing, and being anti-bacterial.