Patents by Inventor Tsu T. Chiao

Tsu T. Chiao 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).

  • Patent number: 4574690
    Abstract: An apparatus and process for continuously producing a co-extruded wrapped food product is disclosed. The apparatus includes a double nozzle extruder member having inner and outer tubular barrels arranged with the inner barrel being positioned centrally within the outer barrel. First and second hoppers are adapted to supply a filling food material and a moldable food material to their respective barrels. Feeding means continuously move the two food materials from each of their hoppers through the barrels to form a filled ribbon of food material. Means is included for continuously shaping, cutting and sealing the ribbon to form the wrapped food product in a single step and without any waste. The shaping, cutting and sealing means is adapted to receive the ribbon of food material and continuously produce the final wrapped food product.
    Type: Grant
    Filed: July 13, 1984
    Date of Patent: March 11, 1986
    Inventors: Tsu T. Chiao, Cherry C. Chiao