Patents by Inventor Stefano Petri

Stefano Petri 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).

  • Publication number: 20180133999
    Abstract: An apparatus for the production of a paper web, includes: a first embossing unit (1) with a first embossing cylinder (2) and a corresponding counter-cylinder (3) for embossing a first paper ply (4); a second embossing unit (5) with a second embossing cylinder (6) and a corresponding counter-cylinder (7) for embossing a second paper ply (8), such that, once embossed, the plies have a series of oppositely oriented reliefs (R4, R8), the embossing units (1, 5) being synchronized so that the reliefs are nested into each other; a sizing unit (1C, 2C, 3C) associated with the first embossing cylinder (2) to distribute a predetermined amount of glue on the side of the second ply (8) opposed to that from which the respective reliefs (R8) emerge; a structure (11) for joining to each other the plies (4, 8) exiting from the apparatus.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Inventors: Giovacchino GIURLANI, Stefano PETRI
  • Publication number: 20140251530
    Abstract: Apparatus for the production of a paper web, comprising: a first embossing unit (1) with a first embossing cylinder (2) and a corresponding counter-cylinder (3) for embossing a first paper ply (4); a second embossing unit (5) with a second embossing cylinder (6) and a corresponding counter-cylinder (7) for embossing a second paper ply (8), such that, once embossed, the said plies have a series of oppositely oriented reliefs (R4, R8), said embossing units (1, 5) being synchronized so that the said reliefs are nested into each other; a sizing unit (1C, 2C, 3C) associated with said first embossing cylinder (2) to distribute a predetermined amount of glue on the side of the second ply (8) opposed to that from which the respective reliefs (R8) emerge; means (11) for joining to each other the plies (4, 8) exiting from the apparatus.
    Type: Application
    Filed: June 18, 2012
    Publication date: September 11, 2014
    Inventors: Giovacchino Giurlani, Stefano Petri
  • Publication number: 20110132526
    Abstract: Device for gluing two or more paper webs or plies, comprising gluing means destined to apply glue to a paper ply (N2) and pressure means which are located downstream of said gluing means and press more paper plies (N1, N2; N3) onto each other determining their coupling. The said gluing means comprise at least one body (1) provided with corresponding reliefs (R1) which apply the glue on predetermined gluing zones or areas of a paper ply (N2) advancing along a predetermined direction (F2) and the said at least one gluing body (1) is the final roller of a gluing unit (C).
    Type: Application
    Filed: July 16, 2009
    Publication date: June 9, 2011
    Inventor: Stefano Petri
  • Publication number: 20110126965
    Abstract: Device for coupling two or more paper webs or plies by gluing, comprising gluing means destined to apply glue to a paper ply (N2) and pressure means which are located downstream of said gluing means and press more paper plies (N1, N2; N3) onto each other determining their coupling. The said gluing means comprise at least one body (1) provided with corresponding reliefs (R1) which apply the glue on predetermined gluing zones or areas of a paper ply (N2) advancing along a predetermined direction (F2) and said pressure means comprise a presser (3) which is located downstream of the said gluing means with respect to the said direction (F2) and is provided with corresponding reliefs (R3) which exert, on said paper plies (N1, N2; N3), a localized pressure on pressure zones or areas interfering with said gluing zones or areas, so that the glue passes through the glued ply (N2) only in correspondence of said pressure areas or zones.
    Type: Application
    Filed: July 16, 2009
    Publication date: June 2, 2011
    Applicant: FUTURA S.P.A.
    Inventor: Stefano Petri
  • Patent number: 7950602
    Abstract: Device for moving paper reels in an unwinder of the type in which a nearly empty reel (1) is moved along a predetermined path between more operating stations in each of which the reel (1) is free to rotate about its longitudinal axis. The device is disposed and acting between the said operating stations and comprises: a carriage (4) intended to support a nearly empty reel (1) and movable between said operating stations, the reel (1) being free to rotate about its longitudinal axis on the carriage (4); a structure (5) supporting said carriage (4); means for moving said carriage (4) between said operating stations; means for controlling said means for moving the carriage (4).
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: May 31, 2011
    Assignee: Futura S.p.A.
    Inventor: Stefano Petri
  • Patent number: 7762187
    Abstract: Device for the substitution of a cliché-jacket from a cliché cylinder in a printing machine or the like wherein said cylinder (1) is connected to a motor (3) driving it into rotation about its longitudinal axis and is provided with radial holes connected with an air inlet (7), the latter being apt to be connected with a compressed air supply (6) by means of a delivery means (8), device characterized in that it comprises automatic means sensing the position of said air inlet (7) relative to said delivery means (8) and automatic means for positioning said air inlet (7) and said delivery means in a reciprocal coupling position, said automatic sensing and positioning means being connected to a programmable electronic unit (E) which, when said air inlet (7) and said delivery means (8) are coaxial, drives said coupling and switches on an on-off valve (60) which, on a side, is connected to said compressed air supply (6) and, on the other side, is connected to said delivery means (8).
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: July 27, 2010
    Assignee: Futura S.p.A.
    Inventor: Stefano Petri
  • Patent number: 7571678
    Abstract: A distributor unit includes a reservoir (7) containing a liquid substance, an anilox cylinder (8) and a cliché cylinder (9) onto which is movably fitted a cliche jacket (18), the reservoir (7), the anilox cylinder (8) and the cliche cylinder (9) being movable from and to a cylinder (2) on which travels a web-shaped material (3) which has to receive the substance. The distributor unit has an operator side and a transmission side, the anilox cylinder (8) and the cliche cylinder (9) being held by corresponding supports on operator side (14, 15) and on transmission side (16, 17). A device (19) for locking the cliche cylinder in cantilever position when the corresponding cliche jacket (18) has to be substituted is associated to the support on transmission side (17) of the cliche cylinder (9). The support on operator side (15); of the cliche cylinder (9) includes a first and a second element (150, 151) automatically movable from and to the cliche cylinder (9).
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: August 11, 2009
    Inventor: Stefano Petri
  • Publication number: 20090114757
    Abstract: To obtain the automatic change of the reel in an unwinder, in particular for reels of paper and other materials in web form, operation in which a reel (2) that is nearly empty is replaced with a new reel (2?), wherein provision is made to connect a tail portion (LC) of the web of the nearly empty reel (2) to the head portion (LT) of the web of the new reel (2?) after overlapping of said ends (LC) and (LT), said overlap step begins along the surface of the new reel 2?, right next to the latter.
    Type: Application
    Filed: November 3, 2005
    Publication date: May 7, 2009
    Inventor: Stefano Petri
  • Publication number: 20090065626
    Abstract: Device for moving paper reels in an unwinder of the type in which a nearly empty reel (1) is moved along a predetermined path between more operating stations in each of which the reel (1) is free to rotate about its longitudinal axis. The device is disposed and acting between the said operating stations and comprises: a carriage (4) intended to support a nearly empty reel (1) and movable between said operating stations, the reel (1) being free to rotate about its longitudinal axis on the carriage (4); a structure (5) supporting said carriage (4); means for moving said carriage (4) between said operating stations; means for controlling said means for moving the carriage (4).
    Type: Application
    Filed: December 29, 2006
    Publication date: March 12, 2009
    Inventor: Stefano Petri
  • Publication number: 20080302261
    Abstract: Device for the substitution of a cliché-jacket from a cliché cylinder in a printing machine or the like wherein said cylinder (1) is connected to a motor (3) driving it into rotation about its longitudinal axis and is provided with radial holes connected with an air inlet (7), the latter being apt to be connected with a compressed air supply (6) by means of a delivery means (8), device characterized in that it comprises automatic means sensing the position of said air inlet (7) relative to said delivery means (8) and automatic means for positioning said air inlet (7) and said delivery means in a reciprocal coupling position, said automatic sensing and positioning means being connected to a programmable electronic unit (E) which, when said air inlet (7) and said delivery means (8) are coaxial, drives said coupling and switches on an on-off valve (60) which, on a side, is connected to said compressed air supply (6) and, on the other side, is connected to said delivery means (8).
    Type: Application
    Filed: June 27, 2005
    Publication date: December 11, 2008
    Inventor: Stefano Petri
  • Patent number: 7428868
    Abstract: Device for cleaning rolls in printing machines, specially machines for executing prints on web-shaped paper-like material destined to the production of tissue paper, napkins, toilet paper and the like, characterized by the fact that it comprises: a nozzle (1) apt to direct a steam jet toward the surface of a roll (2, 3) to be cleaned: said nozzle (1) being connected to steam feeding means; a suction chamber (5) within which is disposed said nozzle (1) and apt to execute an aspiration in correspondence of the surface of the roll (2, 3) interested by the steam et supplied by the nozzle (1): said chamber (5) being connected to relevant suction means; a plurality of holes (7, 8) oriented toward the surface of the roll (2, 3) to be cleaned, and connected to air compressed feeding means.
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: September 30, 2008
    Assignee: Fabio Perini
    Inventor: Stefano Petri
  • Publication number: 20070181216
    Abstract: Device for the handling of logs, especially within a trimming machine, being comprised of handling means for logs along a path developed between the entrance section (I) of the logs (3) to be trimmed and the exit section (U) of the trimmed logs (3?), with blades (10, 11) set along said path and intended to provide the trimming of the logs (3), the entire device being characterized in that said handling means of logs also constitute means of holding or blocking the logs along said path.
    Type: Application
    Filed: March 22, 2005
    Publication date: August 9, 2007
    Inventor: Stefano Petri
  • Publication number: 20070175348
    Abstract: Device for cleaning rolls in printing machines, specially machines for executing prints on web-shaped paper-like material destined to the production of tissue paper, napkins, toilet paper and the like, characterized by the fact that it comprises: a nozzle (1) apt to direct a steam jet toward the surface of a roll (2, 3) to be cleaned: said nozzle (1) being connected to steam feeding means; a suction chamber (5) within which is disposed said nozzle (1) and apt to execute an aspiration in correspondence of the surface of the roll (2, 3) interested by the steam et supplied by the nozzle (1): said chamber (5) being connected to relevant suction means; a plurality of holes (7, 8) oriented toward the surface of the roll (2, 3) to be cleaned, and connected to air compressed feeding means.
    Type: Application
    Filed: February 28, 2005
    Publication date: August 2, 2007
    Inventor: Stefano Petri
  • Patent number: 7179502
    Abstract: A method of making wet rolls includes providing a web of material, applying a wetting solution to the web to produce a wet web, and winding the wet web into a roll. The wetting solution may include an inorganic salt and at least one preservative. The wetting solution may be distributed evenly throughout the wet roll.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: February 20, 2007
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Daniel Hoo, Brian James Gingras, Paul Kerner Pauling, Clayton Taylor Gann, Robert Eugene Krautkramer, James Monroe Perkins, Anthony Mark Gambaro, Robert Alvin Barkhau, Andrew Peter Doyle, James Leo Baggot, Joe Cwiakala, Valter Di Nardo, Massimiliano Adalberti, Stefano Petri, Giulio Betti
  • Publication number: 20060219110
    Abstract: Distributor unit, comprising a reservoir (7) containing a liquid substance, an anilox cylinder (8) and a cliché cylinder (9) onto which is movably fitted a cliche jacket (18), the reservoir (7), the anilox cylinder (8) and the cliche cylinder (9) being movable from and to a cylinder (2) on which travels a web-shaped material (3) which has to receive said substance, the distributor unit having an operator side and a transmission side, said anilox cylinder (8) and said cliche cylinder (9) being held by corresponding supports on operator side (14, 15) and on transmission side (16, 17), a device (19) for locking the cliche cylinder in cantilever position when the corresponding cliche jacket (18) has to be substituted, said device being associated to the support on transmission side (17) of the cliche cylinder (9), characterized by the fact that the support on operator side (15) of the cliche cylinder (9) comprises a first and a second element (150, 151) automatically movable from and to the cliche cylinder (9), w
    Type: Application
    Filed: December 22, 2004
    Publication date: October 5, 2006
    Inventor: Stefano Petri
  • Patent number: 7101587
    Abstract: A method of making wet rolls includes providing a web of material, applying a wetting solution to the web to produce a wet web, and winding the wet web into a roll. The wetting solution may be applied at an add-on greater than 25%, and the web may travel at a speed of at least 60 meters per minute.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: September 5, 2006
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Brian James Gingras, Daniel Hoo, Paul Kerner Pauling, Clayton Taylor Gann, Robert Eugene Krautkramer, James Monroe Perkins, Anthony Mark Gambaro, Robert Alvin Barkhau, Andrew Peter Doyle, James Leo Baggot, Joe Cwiakala, Valter Di Nardo, Massimiliano Adalberti, Stefano Petri, Giulio Betti
  • Publication number: 20050031779
    Abstract: A method of making wet rolls includes providing a web of material, applying a wetting solution to the web to produce a wet web, and winding the wet web into a roll. The wetting solution may include an inorganic salt and at least one preservative. The wetting solution may be distributed evenly throughout the wet roll.
    Type: Application
    Filed: September 17, 2003
    Publication date: February 10, 2005
    Inventors: Daniel Hoo, Brian Gingras, Paul Pauling, Clayton Gann, Robert Krautkramer, James Perkins, Anthony Gambaro, Robert Barkhau, Andrew Doyle, James Baggot, Joe Cwiakala, Valter Di Nardo, Massimiliano Adalberti, Stefano Petri, Giulie Betti
  • Patent number: 6651924
    Abstract: A method of making wet rolls includes providing a web of material, applying a wetting solution to the web to produce a wet web, and winding the wet web into a roll. The wetting solution may include an inorganic salt and at least one preservative.
    Type: Grant
    Filed: November 19, 2001
    Date of Patent: November 25, 2003
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Brian James Gingras, Daniel Hoo, Paul Kerner Pauling, Clayton Taylor Gann, Robert Eugene Krautkramer, James Monroe Perkins, Anthony Mark Gambaro, Robert Alvin Barkhau, Andrew Peter Doyle, James Leo Baggot, Joe Cwiakala, Valter Di Nardo, Massimiliano Adalberti, Stefano Petri, Giulio Betti
  • Patent number: 6649262
    Abstract: A method of making wet rolls includes providing a web of material, applying a wetting solution to the web to produce a wet web, and winding the wet web into a roll. The wetting solution may include an inorganic salt and at least one preservative. The wetting solution may be distributed evenly throughout the wet roll.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: November 18, 2003
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Daniel Hoo, Brian James Gingras, Paul Kerner Pauling, Clayton Taylor Gann, Robert Eugene Krautkramer, James Monroe Perkins, Anthony Mark Gambaro, Robert Alvin Barkhau, Andrew Peter Doyle, James Leo Baggot, Joe Cwiakala, Valter Di Nardo, Massimiliano Adalberti, Stefano Petri, Giulio Betti
  • Publication number: 20030025029
    Abstract: A method of making wet rolls includes providing a web of material, applying a wetting solution to the web to produce a wet web, and winding the wet web into a roll. The wetting solution may be applied at an add-on greater than 25%, and the web may travel at a speed of at least 60 meters per minute.
    Type: Application
    Filed: November 19, 2001
    Publication date: February 6, 2003
    Inventors: Brian James Gingras, Daniel Hoo, Paul Kerner Pauling, Clayton Taylor Gann, Robert Eugene Krautkramer, James Monroe Perkins, Anthony Mark Gambaro, Robert Alvin Barkhau, Andrew Peter Doyle, James Leo Baggot, Joe Cwiakala, Valter Di Nardo, Massimiliano Adalberti, Stefano Petri, Giulio Betti