Patents by Inventor Hongyin ZHANG

Hongyin 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).

  • Punch pin assembly and die casting machine having punch pin assembly
    Patent number: 11420252
    Abstract: A punch pin assembly includes a punch rod, a punch pin and a punch pin connection rod connected therebetween. A heat-conducting medium conveying loop is arranged in the punch rod and the punch pin connection rod. The heat-conducting medium conveying loop communicates with the outside of the punch rod separately through a first medium port and a second medium port which are formed in the punch rod.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: August 23, 2022
    Assignee: CITIC DICASTAL CO., LTD.
    Inventors: Chuan Dai, Jiansheng Wang, Yachun Wan, Yang Han, Hongyin Zhang, Bo Tian, Gang Zhao, Zhi Chen
  • PUNCH PIN ASSEMBLY AND DIE CASTING MACHINE HAVING PUNCH PIN ASSEMBLY
    Publication number: 20200206807
    Abstract: A punch pin assembly includes a punch rod, a punch pin and a punch pin connection rod connected therebetween. A heat-conducting medium conveying loop is arranged in the punch rod and the punch pin connection rod. The heat-conducting medium conveying loop communicates with the outside of the punch rod separately through a first medium port and a second medium port which are formed in the punch rod.
    Type: Application
    Filed: December 12, 2019
    Publication date: July 2, 2020
    Inventors: Chuan DAI, Jiansheng WANG, Yachun WAN, Yang HAN, Hongyin ZHANG, Bo TIAN, Zhi CHEN