Patents by Inventor Y LIN CHENG

Y LIN CHENG 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 MOLDS WITH 3-DIMENSIONAL COOLING PATHS
    Publication number: 20110047779
    Abstract: A method for making molds with curved cooling paths includes a step of obtaining a drawing of a mold by using computers and the drawing including the positions of concavities, cooling paths and reference points; a step of manufacturing the mold by way of pour casting according to the drawing so as to obtain a mold having the concavities, the cooling paths and the reference points, and a step of trimming the concavities of the mold according to the reference points and opening two ends of each of the cooling paths to obtain a final mold.
    Type: Application
    Filed: August 23, 2010
    Publication date: March 3, 2011
    Inventors: SEN YUNG LEE, CHUIH-KUAN WANG, Y LIN CHENG, SHENG-JYE HUANG, NAI-TSUN HUANG