Patents by Inventor Shangyong Zhang

Shangyong Zhang 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 apparatus for producing high quality yarn on a ring-spinning machine
    Patent number: 7552580
    Abstract: A method of producing a high quality of yarn by an iron-heating apparatus, including the steps of: guiding a yarn to pass between upper and lower rollers, wherein the yarn is exited at a front nip in a twisting triangle area; guiding the yarn to enter to a groove of a heating main body of the iron-heating apparatus; heating the yarn along the groove to reduce a rigidity of the yarn so as to allow the yarn to be easily twisted to form an improved yarn with high quality; and enwrapping the improved yarn on a spun yarn tube. In addition, a counter frictional force is applied at the yarn through walls of the groove such that fiber on a surface of the yarn is further twisted to the yarn for minimizing hairiness.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: June 30, 2009
    Assignee: Wuhan University of Science & Engineering
    Inventors: Weilin Xu, Zhigang Xia, Wenxiang Ye, Weigang Cui, Wenbin Li, Shangyong Zhang
  • Method and apparatus for producing high quality yarn on a ring-spinning machine
    Publication number: 20080155786
    Abstract: A method of producing a high quality of yarn by an iron-heating apparatus, including the steps of: guiding a yarn to pass between upper and lower rollers, wherein the yarn is exited at a front nip in a twisting triangle area; guiding the yarn to enter to a groove of a heating main body of the iron-heating apparatus; heating the yarn along the groove to reduce a rigidity of the yarn so as to allow the yarn to be easily twisted to form an improved yarn with high quality; and enwrapping the improved yarn on a spun yarn tube. In addition, a counter frictional force is applied at the yarn through walls of the groove such that fiber on a surface of the yarn is further twisted to the yarn for minimizing hairiness.
    Type: Application
    Filed: June 26, 2007
    Publication date: July 3, 2008
    Inventors: Weilin Xu, Zhigang Xia, Wenxiang Ye, Weigang Cui, Wenbin Li, Shangyong Zhang