Patents by Inventor Sergio Visentin

Sergio Visentin 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 making container fiber tubes starting from a sheet material
    Patent number: 5059136
    Abstract: The invention relates to an apparatus for making frustum of cone shaped fibre barrels, comprising a substantially frustum of cone shaped drum (1) which is associated with driving means able of rotating the drum about its axis comprising means for removably holding a paper sheet to be processed. On this drum operate paper sheet pressing means and upstream of the drum there is provided a paper sheet supplying roller (8), the paper sheets having, on at least a face thereof, at least an adhesive material layer, an adjustable cutting assembly being further arranged between the drum and paper sheet supplying roller.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: October 22, 1991
    Inventors: Sergio Visentin, Romeo Visentin