Patents by Inventor Shan-Nan Tong

Shan-Nan Tong 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).

  • Method and means for making pultruded fiber reinforced articles
    Patent number: 5174844
    Abstract: A continuous process for producing pultruded fiber-reinforced articles and the apparatus for such processing. Resin and hardener are continuously mixed and conveyed, out of contact with the atmosphere, into a die in which the mixture contacts reinforcing fibers which are also continuously conveyed into the die. The fibers are impregnated with the mixture and continuously shaped in the die, without contact with the atmosphere.
    Type: Grant
    Filed: April 5, 1991
    Date of Patent: December 29, 1992
    Assignee: Industrial Technology Research Institute
    Inventor: Shan-Nan Tong