Patents by Inventor Luigi Fiorinelli

Luigi Fiorinelli 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).

  • Thermoformed panel and method for its production
    Patent number: 6821605
    Abstract: A panel comprising at least one layer of thermoformable plastics material having separate regions of different thickness, is obtained by a method comprising the steps of: extruding of a sheet of plastics material with the addition to the said material of an expansion agent, the extrusion being conducted in conditions such as to avoid expansion of the material or to cause only partial expansion thereof; heating the thus-obtained sheet to a temperature such as to cause post expansion of the material; and thermoforming the sheet in a thermoforming cavity of complementary shape to the desired panel so that the thermoformed panel produced has in the regions of greater thickness an expanded cellular structure where the material has a lower density than the density of the material in the regions of lesser thickness.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: November 23, 2004
    Assignee: San Valeriano S.p.A.
    Inventors: Luigi Fiorinelli, Umberto Demichelis, Franco Tasca
  • Thermoformed panel and method for its production
    Publication number: 20020012771
    Abstract: A panel comprising at least one layer of thermoformable plastics material having separate regions of different thickness, is obtained by a method comprising the steps of:
    Type: Application
    Filed: May 29, 2001
    Publication date: January 31, 2002
    Applicant: SAN VALERIANO, S.p.A.
    Inventors: Luigi Fiorinelli, Umberto Demichelis, Franco Tasca