Patents Assigned to YUL RIM AIR SHAFT CO., LTD.
  • Friction shaft for slitter
    Patent number: 10843886
    Abstract: A friction shaft for a slitter has winding tubes disposed on an outer surface thereof to roll unit materials formed by cutting a raw material such as various kinds of paper, fabric, or film with predetermined intervals includes a first rotary shaft, tubes, brake pads, a second rotary shaft, pressing members, first rotary tubes, second rotary tubes, first and second bearings, first elastic members, guide members, second elastic members, and lugs for clamping.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: November 24, 2020
    Assignee: YUL RIM AIR SHAFT CO., LTD.
    Inventors: Jae sik Lee, Soo hyung Lee
  • Friction shaft for slitter
    Patent number: 10829339
    Abstract: A friction shaft for a slitter has winding tubes disposed on an outer surface thereof to roll unit materials formed by cutting a raw material such as various kinds of paper, fabric, or film with predetermined intervals. The friction shaft includes a first rotary shaft, tubes, lug bodies for torque, first fixed shafts, brake pads, a second rotary shaft, guide members, lug bodies for clamping, second fixed shafts, a plurality of lug rollers, covers, a first elastic member, and second elastic members.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: November 10, 2020
    Assignee: YUL RIM AIR SHAFT CO., LTD.
    Inventors: Jae sik Lee, Soo hyung Lee