Patents by Inventor Wang-Fa Tsai

Wang-Fa 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).

  • Method for Making a Wheel Rim
    Publication number: 20090113713
    Abstract: A method for making a wheel rim includes the steps of: A) casting an aluminum alloy containing silicon and magnesium into a blank including a lateral portion and a disk portion that is surrounded by the lateral portion and that has a plurality of radial elements extending toward and connected to the lateral portion; B) forging the disk portion of the blank to form the radial elements into radial ribs; C) solution heat-treating the blank after forging; and D) spinning the lateral portion to form a rim body.
    Type: Application
    Filed: November 1, 2007
    Publication date: May 7, 2009
    Inventors: Wang-Fa Tsai, Shou-Chang Hwang
  • Wheel Rim Assembly and Method for Making the Same
    Publication number: 20070257547
    Abstract: A wheel rim assembly includes a wheel rim, a cover, and a binder. The wheel rim includes a rim portion having two axially opposite end rings, and a disk portion having a plurality of radially extending spokes connected to one of the end rings. The cover covers the one of the end rings and the disk portion, and has a plating layer formed thereon opposite to the disk portion of the wheel rim. The binder bonds the cover to the wheel rim.
    Type: Application
    Filed: May 2, 2006
    Publication date: November 8, 2007
    Applicant: YUAN FENG INDUSTRIAL CO., LTD.
    Inventor: Wang-Fa Tsai