Patents Assigned to DAE DONG M.S. LTD.
  • Patent number: 11732479
    Abstract: The present invention relates to a sleeve for connecting a steel bar, wherein a body prevents generation of tolerance at the circumferential surface of at least one of an upper steel bar and a lower steel bar through a tolerance generation preventing unit, the body allowing the upper steel bar to be inserted from one side thereof in an axial direction and the lower steel bar to be inserted from the other side thereof in the axial direction.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: August 22, 2023
    Assignees: DAE DONG M.S. LTD., JSPACE CO., LTD.
    Inventors: Myung Hyun Park, Hyun Ju Park
  • Publication number: 20220018133
    Abstract: The present invention relates to a sleeve for connecting a steel bar, wherein a body prevents generation of tolerance at the circumferential surface of at least one of an upper steel bar and a lower steel bar through a tolerance generation preventing unit, the body allowing the upper steel bar to be inserted from one side thereof in an axial direction and the lower steel bar to be inserted from the other side thereof in the axial direction.
    Type: Application
    Filed: October 31, 2019
    Publication date: January 20, 2022
    Applicants: DAE DONG M.S. LTD., JSPACE CO., LTD.
    Inventors: Myung Hyun PARK, Hyun Ju PARK