Patents by Inventor Ugo Chiti

Ugo Chiti 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 joining ends of webs of weldable film, for the formation of bags and the like
    Patent number: 5318646
    Abstract: For the continuous formation of bags for containing bulk materials--in the form of granules, powders and the like--the end of the web (EN), from a new bobbin (BA) in readiness, is laid, with the surface to be welded on the outside, around a welding bar (18) carried by a movable element (12), and the bar (18) is positioned opposite a counterbar (20), along which the web (N) being exhausted from the previous bobbin (B) runs; bar and counterbar are brought close to one another to carry out transverse welding and cutting, in such a manner that a superimposed and welded edge (BS) emerges transversely from the continuous web thus joined, from the surface opposite that of welding. (FIG.
    Type: Grant
    Filed: June 4, 1991
    Date of Patent: June 7, 1994
    Assignee: Garibaldo Ricciarelli S.r.l.
    Inventors: Giuseppe Cardini, Ugo Chiti