Patents by Inventor Sergio Bonfiglioli

Sergio Bonfiglioli 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).

  • Patent number: 3967433
    Abstract: A process and a machine for packaging items in stretchable foils of plastic material, wherein the foil is subjected to maximum stretching in at least a transversal direction, before bringing the item to be packaged into contact with the thus pre-stretched foil. To avoid further stretching of the pre-stretched foil, the machine comprises a lifting table for vertically elevating the item relative to the pre-stretched foil, and means for controllably releasing at least the transversal opposed foil side edges as the lifting table moves upwardly, while folding the side edges under the item.
    Type: Grant
    Filed: September 19, 1974
    Date of Patent: July 6, 1976
    Inventor: Sergio Bonfiglioli