Patents by Inventor Sergio Visona?

Sergio Visona? 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).

  • Method and apparatus for manufacturing tube-shaped packages made of flexible material
    Patent number: 7144358
    Abstract: Method for manufacturing a tube-shaped package having longitudinal sides and a bottom and made of flexible material, wherein the longitudinal sides of the package are sealed prior to forming the bottom and the bottom is formed by pushing an annular portion of the flexible material inward in a U-shaped arrangement at at least on closed end of the tube-shaped package.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: December 5, 2006
    Assignee: BP Europack S.p.A.
    Inventors: Sergio Visona′, Giorgio Trani, Marion Sterner
  • Method for producing a plastic film having improved characteristics, apparatus for performing the method, and film thus obtained
    Patent number: 6977054
    Abstract: A method for producing a plastic film having improved characteristics, which consists in nebulizing on the faces, in the region downstream of the extruder, at least one “active substance” or a mixture of “active substances”, utilizing the various states of aggregation of the product generated by the temperature distribution. These substances modify the structure of the film, in particular its surface structure, by bonding and penetrating to a depth which is a function of the temperature, of the material of the film and of the type of substance used.
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: December 20, 2005
    Assignee: BP Europack, S.p.A.
    Inventors: Marion Sterner, Giorgio Trani, Sergio Visona′, Marco Razeti
  • Method and apparatus for manufacturing tube-shaped packages made of flexible material
    Patent number: 6510673
    Abstract: A method for manufacturing tube-shaped packages made of flexible material, characterized in that an annular portion is pushed inward in a U-shaped arrangement at at least one closed end of a tube-shaped package, said annular portion being at least partially heat-sealed to the remaining part of the package at facing portions thereof. An apparatus for carrying out the method. A package obtained with the method and the apparatus.
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: January 28, 2003
    Assignee: BP Europack S.p.A.
    Inventors: Sergio Visona′, Giorgio Trani, Marion Sterner