Patents Assigned to Roj & Vella S.p.A.
  • Yarn feeding device with constant adjustable tension, particularly for feeding yarns to weaving and knitting machines and devices
    Patent number: 3940079
    Abstract: A yarn feeding device for feeding yarns to weaving and knitting machines and devices with a constant, adjustable tension, in which a yarn reserve is wound onto a stationary cage by means of a rotating framework. The device also comprises means for braking the yarn, and means for regulating the action of said brake means and for modifying the amount of said reserve. In this device, the yarn is drawn with a constant tension, and is sent to the weaving or knitting machine or device as if it were drawn from a stationary reserve.
    Type: Grant
    Filed: February 12, 1974
    Date of Patent: February 24, 1976
    Assignee: Roj & Vella S.p.A.
    Inventor: Sergio Vella