Patents Assigned to Elesmart Limited
  • Laminator draw control
    Patent number: 6717521
    Abstract: A thickness sensor for layered sheet material entering a lamination machine includes an arm movable upon interaction with the layered sheet material. A variable resistance output dependent upon the position of the arm controls the speed of rotation of heated rollers in the lamination machine so that the layered sheet material will be drawn through the machine with variable speed to better infuse thermal adhesive into the material should such material be detected.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: April 6, 2004
    Assignee: Elesmart Limited
    Inventor: Kwok Hung Leung