Patents Assigned to Ro-Search, Incorporated (Ro-Search)
  • Method and device for the manufacture of footwear
    Patent number: 4523346
    Abstract: The disclosure relates to the manufacture of footwear with direct molded elastomeric soles wherein the last is built up in the center region to provide a sole which appears thick externally, yet is thin and relatively lightweight in its center region. The last includes grooves over the region of the stitches securing the upper to the welt to seal and waterproof the footwear in the region of the stitches by permitting the sole material, when molding takes place, to flow over the stitches.
    Type: Grant
    Filed: August 11, 1983
    Date of Patent: June 18, 1985
    Assignee: Ro-Search, Incorporated (Ro-Search)
    Inventors: Horace Auberry, Anton Liebscher, Sven Oberg