Patents by Inventor Nai-Chiang TSAI

Nai-Chiang TSAI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • THERMOPLASTIC POLYMER FOAMING SOLE AND METHOD FOR MANUFACTURING THERMOPLASTIC POLYMER FOAMING SOLE
    Publication number: 20170174856
    Abstract: A method for manufacturing a thermoplastic polymer foaming sole includes the following steps. A prototype is formed. The prototype includes thermoplastic polyurethane or thermoplastic polyester elastomer but excludes a cross-linking agent and a foaming agent, and the prototype is sole-shaped. A supercritical fluid is used to foam the prototype so as to directly get the thermoplastic polymer foaming sole. A density of the thermoplastic polymer foaming sole is larger than or equal to 0.3 g/cm3 and smaller than or equal to 0.8 g/cm3.
    Type: Application
    Filed: December 9, 2016
    Publication date: June 22, 2017
    Inventors: Nai-Chiang TSAI, Sheng-Jung HSIAO, Chao-Ping YANG