Patents Assigned to Riviera Berica S.R.L.
  • Support tube for winding yarn on a bobbin
    Patent number: 6889925
    Abstract: A support tube for winding yarn on a bobbin made of cardboard or another material suitable for the purpose and with a cylindrical or frustum of cone form. Such a tube is characterized in that it is equipped, on its side surface, with at least two indentations or attaching or capturing the end of the thread to be wound on the support itself.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: May 10, 2005
    Assignee: Riviera Berica S.R.L.
    Inventor: Marotti Ing. Gaetano