Patents by Inventor Tseng Chien-Ming

Tseng Chien-Ming 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).

  • Machine for testing automatically performances of green sand molding
    Patent number: 6170557
    Abstract: An automatic machine is designed to test performances of green sand molding and composed of a machine support, a feeding device, a vibration device, a testing device, a detecting device, and a catching device. The green sand is extracted by the feeding device and then screened in the vibration device The selected green sand is received and carried by a test piece sleeve of the catching device. The test piece sleeve is driven to move to the testing device for testing the compatibility of the green sand, to the detecting device for testing the permeability of the green sand, and to the loadcell for testing the green compressive strength of the green sand.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: January 9, 2001
    Assignee: Metal Industries Research & Development Centre
    Inventors: Lin Ching-Fu, Hung Chuan-Cheng, Tseng Chien-Ming, Chang Chao-Chi, Ou Yu-Jen, Kang Chin-Hsing