Patents by Inventor Gian P. Guidetti

Gian P. Guidetti 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).

  • Apparatus for coating the inside surface of metal containers with polyolefin materials
    Patent number: 5630875
    Abstract: Apparatus for coating the interior surfaces of metal containers by electrostatic deposition of specific polyolefin compositions on the separate parts of the containers prior to assembly of the containers and melting of the polyolefin compositions, which includesa first spray booth containing at least one electrostatic powder spraying device for spraying a polyolefin composition powder, the first spray booth being adapted for spraying the bottoms and lids of the containers,means for conveying the bottoms and lids of containers in the first spray booth,a second spray booth containing at least one electrostatic powder spraying device for spraying a polyolefin composition powder, the second spray booth being adapted for spraying the bodies of the containers,means for conveying the bodies of containers in the second spray booth, andat least one electrostatic generator connected to the spraying devices.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: May 20, 1997
    Assignee: Montell North America Inc.
    Inventors: Gian L. Rigosi, Roberto Marzola, Gian P. Guidetti, Dino Bacci, Georges Asperti