Patents Assigned to TIANJIN PIPE (GROUP) CORPORATION
  • Patent number: 9062804
    Abstract: A threaded connector including female thread and male thread. The female thread is symmetrically disposed on both ends of a coupling. The male thread is disposed at an end of a pipe. The female thread includes buttress thread. A torque shoulder is disposed in front of the buttress thread. The female thread is connected to the torque shoulder via a tool withdrawal groove. A protruding threaded segment is disposed on any one of a fourth to seventh tooth of the female thread to prevent high pressure gas from leaking.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: June 23, 2015
    Assignee: Tianjin Pipe (Group) Corporation
    Inventors: Jing Wang, Zhiqian Xu, Xiaoqing Lu, Chunzhong Wang, Jun Zhang, Long Yan, Tao Chen, Li Mei, Bin Shi
  • Publication number: 20120013122
    Abstract: A threaded connector including female thread and male thread. The female thread is symmetrically disposed on both ends of a coupling. The male thread is disposed at an end of a pipe. The female thread includes buttress thread. A torque shoulder is disposed in front of the buttress thread. The female thread is connected to the torque shoulder via a tool withdrawal groove. A protruding threaded segment is disposed on any one of a fourth to seventh tooth of the female thread to prevent high pressure gas from leaking.
    Type: Application
    Filed: September 22, 2011
    Publication date: January 19, 2012
    Applicant: TIANJIN PIPE (GROUP) CORPORATION
    Inventors: Jing WANG, Zhiqian XU, Xiaoqing LU, Chunzhong WANG, Jun ZHANG, Long YAN, Tao CHEN, Li MEI, Bin SHI