Patents Assigned to Roverts Systems, Inc.
  • Vacuum hold down folder/gluers and process
    Patent number: 5797831
    Abstract: A vastly improved folder/gluer is disclosed. This folder/gluer: is much more reliable, produces better folds, runs faster, and can be modified much easier, than prior art folder/gluers. These features are achieved by using a vacuum conveyor with overhead folding elements. Furthermore, the top of the article to be folded is never touched by another conveyor.
    Type: Grant
    Filed: August 25, 1995
    Date of Patent: August 25, 1998
    Assignee: Roverts Systems, Inc.
    Inventors: John T. Roberts, Jimmy R. Bridges