Patents by Inventor Giovanni Freddo

Giovanni Freddo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Multi-color flexographic rotary machine with main drum and independent separate color units
    Patent number: 6615716
    Abstract: A flexographic rotary printing machine has a supporting structure provided with two lateral shoulders, an impression roller over which a material in sheet form to be printed passes, at least one printing element or assembly arranged adjacent to the impression roller and having an inking unit, a printing plate cylinder and an anilox roller, which are sleeve cylinders, and a drive for transmitting motion between the impression roller and each printing assembly. At each shoulder there is at least one lateral support device for the advancement-retraction of the sleeve cylinders, adapted to move them between a retracted or resting position, in which a respective sleeve can be inserted or removed, and an advanced or active position, in which the cylinders are kept in contact with, and operatively connected to, the impression roller.
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: September 9, 2003
    Assignee: Uteco S.p.A. Roto-Flexo & Converting
    Inventors: Giovanni Freddo, Agostino Pertile
  • Multi-color flexographic rotary machine with main drum and independent separate color units
    Patent number: 6125752
    Abstract: A flexographic rotary printing machine has a supporting structure provided with two lateral shoulders, an impression roller over which a material in sheet form to be printed passes, at least one printing element or assembly arranged adjacent to the impression roller and having an inking unit, a printing plate cylinder and an anilox roller, which are sleeve cylinders, and a drive for transmitting motion between the impression roller and each printing assembly. At each shoulder there is at least one lateral support device for the advancement-retraction of the sleeve cylinders, adapted to move them between a retracted or resting position, in which a respective sleeve can be inserted or removed, and an advanced or active position, in which the cylinders are kept in contact with, and operatively connected to, the impression roller.
    Type: Grant
    Filed: April 26, 1999
    Date of Patent: October 3, 2000
    Assignee: Uteco S.p.A. Roto-Flexo & Converting Machinery
    Inventors: Giovanni Freddo, Agostino Pertile