Patents Assigned to Shareate Tools Ltd.
  • Valve stem of needle throttle valve and method of fabricating the same
    Patent number: 11414955
    Abstract: This disclosure provides a valve stem of a needle throttle valve and the method of fabricating the same. The valve stem includes ahead part, a body part, a washer, a first solder sheet and a second solder sheet. The washer is made of metal. The first solder sheet is placed between the head part and the washer, and the second solder sheet is placed between the body part and the washer. The head part, the washer and the body part are jointed together by the melted first solder sheet and the melted second solder sheet.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: August 16, 2022
    Assignee: Shareate Tools Ltd.
    Inventors: Pengfei Liu, Yongfeng Hu, Hehong Wu