Patents Assigned to Vulcan Corporation
  • Sectional shoe mid-sole
    Patent number: 3952429
    Abstract: A composite mid-sole especially adapted for incorporation into platform shoes and consisting of a rigid heel and shank part interconnected with a flexible forepart. The mid-sole parts are composed of moldable plastic material of differing densities, the composite mid-sole being a unit to be lasted to a shoe upper and a shoe outsole in a subsequent manufacturing operation. An improved fastening means conjoining the heel and shank part to the forepart of the mid-sole is disclosed.
    Type: Grant
    Filed: January 13, 1975
    Date of Patent: April 27, 1976
    Assignee: Vulcan Corporation
    Inventor: Dwight L. Thomas