Patents Assigned to Jiunn Long Plastic Co., Ltd.
  • Patent number: 6398996
    Abstract: A footwear sole includes a single foamable material that has air chambers defined in the footwear sole. The sole is formed in a cavity of a mold and the air chambers are defined by removing movable members in the cavity when the foaming process comes to a final stage so that a layer of the foam material is peeled with the movable members to define air chambers in the sole.
    Type: Grant
    Filed: October 26, 2000
    Date of Patent: June 4, 2002
    Assignee: Jiunn Long Plastic Co., Ltd.
    Inventor: Wen-Tsung Fang