Patents by Inventor Matteo Piantoni

Matteo Piantoni 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: 20200330286
    Abstract: An apparatus for forming an absorbent pad for an absorbent sanitary article including a first layer, a second layer and an absorbent material interposed between the first and the second layer, includes: a forming drum; a first feed system for feeding to the forming drum a first web, intended to form the first layer; and a second feed system for feeding to the forming drum a second web, intended to form the second layer; at least one spreader for spreading the absorbent material on the forming drum; the first web, the second web and the absorbent material together form a composite web and the forming apparatus includes a system for joining the first and second webs and a system for calibrating the thickness of the absorbent material in the composite web and being located upstream of the joining system in a feed direction V of the composite web.
    Type: Application
    Filed: October 26, 2018
    Publication date: October 22, 2020
    Inventors: Marco ROSANI, Matteo PIANTONI, Massimo RAGUSA, Giuseppe POLI, Federico TOSCANI
  • Publication number: 20200297545
    Abstract: This invention relates to a device for forming a composite web of an absorbent pad for absorbent articles, such as diapers, comprising an extruding means for extruding a thermoplastic material and a delivery means for delivering superabsorbent polymer material; a suction forming surface is configured to receive the filaments of thermoplastic material blown out of the one or more delivery mouths of the extruding means and to receive the superabsorbent polymer material coming out of the delivery means, to make a composite, meltblown web comprising the superabsorbent polymer material; the delivery means has at least one outlet mouth for feeding superabsorbent polymer material and configured to be movable at least from a first distance to a second distance, or vice versa, relative to the delivery mouth of the extruding means in such a way as to vary the concentration of the superabsorbent polymer material in the composite web.
    Type: Application
    Filed: March 18, 2020
    Publication date: September 24, 2020
    Inventors: Marco ROSANI, Matteo PIANTONI, Francesco GIARDINI
  • Patent number: 10765562
    Abstract: An apparatus transferring and rotating an object from a retaining station to a releasing station along an annular transfer path, the object has a first orientation in the retaining station which is different from a second orientation in the releasing station; the apparatus includes: a stator having a revolution body provided with a lateral surface on which a first cam profile is formed; a rotor that is rotatable about a first rotation axis with respect to the stator; at least one retaining head of the object connected to the rotor, which has a retaining element coupled to the first cam profile which can be rotated about a second axis of rotation with respect to the rotor; and wherein the stator has a second cam profile and the transferring and rotating apparatus has at least a first annular guide disposed along the transfer path and the head has at least one first slide supporting the retaining element and is slidably coupled to the first annular guide, the first slide being connected to the rotor by way of a
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: September 8, 2020
    Assignee: GDM S.p.A.
    Inventors: Matteo Piantoni, Valerio Soli, Marco Rosani, Federico Tordini, Francesco Passarotto, Andrea Duchini
  • Patent number: 10751225
    Abstract: A machine for making absorbent sanitary articles including an absorbent pad with at least one discrete layer of superabsorbent polymer material includes a unit for forming and applying a succession of absorbent pads, which includes a drum for forming the pad, a duct for feeding a charge of superabsorbent polymer material to the drum and intermittent valve mounted along a stretch of the duct and driven by an actuator. A device detects the superabsorbent polymer material and sends a signal to a control and drive unit connected to the device indicating that the superabsorbent polymer material has been detected. The control and drive unit is configured to drive the actuator to bring the valve into phase with the rotation of the drum when the deviation of the signal from a reference signal exceeds a defined threshold value.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: August 25, 2020
    Assignee: GDM S.P.A.
    Inventors: Matteo Piantoni, Valerio Soli
  • Publication number: 20200229986
    Abstract: A device for applying segments of absorbent articles includes a cutting station for cutting a continuous web into segments and an applicator station for applying each segment on a respective absorbent article. A plurality of carrier units, each includes a pad for retaining and transferring a segment from the cutting station to the applicator station. The pad fully rotates about a main axis to transfer the segment from the cutting station to the applicator station and return to the cutting station and, from the cutting station to the applicator station, rotates at least 90° about its axis of rotation to orient the segment transverse to the feed direction of the absorbent article. A first movement member moves one or more first carrier units about the main axis and a second movement member moves one or more second carrier units separately from the first carrier units about the main axis.
    Type: Application
    Filed: September 18, 2018
    Publication date: July 23, 2020
    Inventors: Federico TORDINI, Matteo PIANTONI
  • Publication number: 20200222248
    Abstract: An apparatus transferring and rotating an object from a retaining station to a releasing station along an annular transfer path, the object has a first orientation in the retaining station which is different from a second orientation in the releasing station; the apparatus includes: a stator having a revolution body provided with a lateral surface on which a first cam profile is formed; a rotor that is rotatable about a first rotation axis with respect to the stator; at least one retaining head of the object connected to the rotor, which has a retaining element coupled to the first cam profile which can be rotated about a second axis of rotation with respect to the rotor; and wherein the stator has a second cam profile and the transferring and rotating apparatus has at least a first annular guide disposed along the transfer path and the head has at least one first slide supporting the retaining element and is slidably coupled to the first annular guide, the first slide being connected to the rotor by means of
    Type: Application
    Filed: August 1, 2017
    Publication date: July 16, 2020
    Applicant: GDM S.p.A.
    Inventors: Matteo Piantoni, Valerio Soli, Marco Rosani, Federico Tordini, Francesco Passarotto, Andrea Duchini
  • Patent number: 10683116
    Abstract: Grouping unit and method to form groups of hygiene absorbent articles in a packaging machine; a conveyor which receives the single hygiene absorbent articles in an input station is provided, which feeds the hygiene absorbent articles along a grouping path, and releases the groups of hygiene absorbent articles in an output station; wherein the conveyor has a belt which is closed so as to form a ring, is wound around at least two pulleys, and supports a plurality of blades, which extend perpendicular to the belt and delimit, between one another, respective pockets, which are each designed to hold a corresponding hygiene absorbent article; an active braking device is provided, which is arranged at the input station so as to cooperate with a pocket arranged in the input station to slow down the movement with which a corresponding hygiene absorbent article enters the pocket.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: June 16, 2020
    Assignee: GDM S.p.A.
    Inventors: Matteo Piantoni, Valerio Soli
  • Patent number: 10610418
    Abstract: A device for cutting a web of fibrous material including movement means for moving a web of fibrous material to be cut, defining a feed surface for the web and having at least one first cutting zone, at least one laser source configured to generate a laser beam extending along its operating direction towards the first cutting zone to make, on the web, at least one incision extending along a predetermined cutting line, where a portion of the laser beam passes through the web of fibrous material at the first cutting zone. The device also includes recovery means for recovering the portion of the laser beam and at least partly located along the operating direction, at the first cutting zone, in such a way as to intercept the portion of the laser beam and direct it towards a second cutting zone to make a further incision or cut.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: April 7, 2020
    Assignees: GDM S.P.A., UNIVERSITA'DEGLISTUDI DI BERGAMO
    Inventors: Matteo Piantoni, Valerio Soli, Davide Russo, Paolo Carrara
  • Patent number: 10610419
    Abstract: A machine for making absorbent sanitary articles which includes an absorbent pad in turn including one or more absorbent materials; the machine includes a line for feeding at least one continuous web of impermeable material and at least one unit for forming and applying a succession of absorbent pads along the continuous web of impermeable material and a device for detecting at least one between the weight, density profile (or weight profile) parameters of at least one of the absorbent materials defining the absorbent pad; the detecting device including at least one microwave resonator.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: April 7, 2020
    Assignee: GDM S.P.A.
    Inventors: Matteo Piantoni, Valerio Soli
  • Patent number: 10603222
    Abstract: A forming pocket suitable for forming conglomerates from particulate material to be used as an absorbent padding for hygienic products, includes an external forming substrate for receiving particulate material, the substrate having openings and a shape conjugated to a form of the absorbent padding to be made. The forming pocket includes a grid supporting structure, which has openings and is coupleable with the substrate to support the substrate during suction of particulate material through the substrate. The supporting structure has an external surface configured to contact the substrate and has a shape conjugated to the shape of the substrate. A method of making the forming pocket includes obtaining from at least one first metal sheet first and second sets of elements having a plurality of cuts, and wedging the elements of the first set with the elements of the second set via the cuts to make the grid supporting structure.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: March 31, 2020
    Assignee: GDM S.p.A.
    Inventors: Matteo Piantoni, Valerio Soli
  • Publication number: 20200093648
    Abstract: A method for forming an absorbent article including a first absorbent core and a second absorbent core which are superposed on each other, includes feeding a first supporting web along a first feed path in a first feed direction; placing a succession of first absorbent cores on the first supporting web at a preset spacing; feeding a second supporting web along a second feed path in a second feed direction; placing a succession of second absorbent cores on the second supporting web at the preset spacing; coupling the first supporting web to the second supporting web such that each first absorbent core is coupled to a corresponding second absorbent core in a composite web including the succession of first absorbent cores and the succession of the second absorbent cores interposed between the first supporting web and the second supporting web.
    Type: Application
    Filed: September 6, 2019
    Publication date: March 26, 2020
    Inventors: Matteo PIANTONI, Marco ROSANI, Federico TOSCANI, Andrea DUCHINI, Mauro PIETRALUNGA, Aldo FUSARPOLI
  • Patent number: 10478348
    Abstract: A feeding unit for feeding a component of a hygiene absorbent article; the feeding unit has: at least one sucking-holding head, which is designed to receive and hold the component; a conveyor to cyclically move the holding head along an annular application path; an input station in which the holding head receives a corresponding component which is connected—without gaps—to a continuous web; a cutting station provided with a cutting device, which cuts the continuous web crosswise; and an output station in which the holding head releases the component; the conveyor has: an annular guide; a slide which supports the holding head and is coupled to the guide so as to freely slide along the guide itself; and a linear electric motor, which has a stator, which is arranged in a fixed position along the guide and a mobile slider which is electro-magnetically coupled to the stator so as to receive, from the stator, a driving force and is rigidly connected to the slide.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: November 19, 2019
    Assignee: GDM S.p.A.
    Inventors: Matteo Piantoni, Valerio Soli, Marco Rosani, Federico Tordini, Massimo Pallavera
  • Patent number: 10470941
    Abstract: A method for making sanitary articles, includes: feeding along a longitudinal direction of movement a first web of material defining a main body of the article; feeding a pair of longitudinal strips; dividing each strip into a succession of trapezoidal pieces adjacent each other and each having a long base and a short base so the pieces of each strip can be divided alternately into first pieces having a first orientation and second pieces having a second orientation opposite to the first orientation; spacing the pieces of each strip from each other; rotating the first or second pieces of each strip by 180° in plane to give the pieces of the first strip the first orientation and the pieces of the second strip the second orientation; applying each piece on a first face so the long base protrudes laterally from the edge of the first web.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: November 12, 2019
    Assignee: GDM S.p.A.
    Inventors: Matteo Piantoni, Valerio Soli
  • Patent number: 10470940
    Abstract: A device for forming and applying accessory elements to a continuous band of absorbent material, includes a unit for feeding a continuous strip to a conveyor roller, a unit for cutting the strip in a continuous and alternating succession of first and second pieces, a first and a second roller rotating about respective axes parallel to the first direction, each including a movement device acting along a circumferential direction around the respective axis and configured for imparting to each unit a respective motion between positions for picking up and releasing the pieces. A unit for applying a pair of pieces to the band is equipped with a separating unit equipped with a spacer device for moving first and/or second carriages along a separating direction between close and far axial positions, wherein the spacer device includes a plurality of linear actuators each associated with a respective first carriage.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: November 12, 2019
    Assignee: GDM S.P.A.
    Inventors: Matteo Piantoni, Valerio Soli
  • Patent number: 10470938
    Abstract: A process for forming an absorbent sanitary article includes feeding a first web including first and second stretches each having front and rear end portions; feeding a second web for forming a first side panel of the article; feeding a third web for forming a second side panel of the article; cutting the second web into a succession of first and second pieces defining the first side panel of the article; cutting the third web in a succession of third and fourth pieces, defining the second side panel of the article; applying the first through fourth pieces to the first web; the first and second stretches being provided in the first web so each first stretch has the rear end portion upstream of the front end portion in a feed direction and each second stretch has the front end portion upstream of the rear end portion.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: November 12, 2019
    Assignee: GDM S.P.A.
    Inventors: Matteo Piantoni, Valerio Soli
  • Patent number: 10441477
    Abstract: A process for forming an absorbent sanitary article of the type including a pad having a direction of main extension, including a step of at least one absorbent core of the absorbent article by layering a corresponding composite web, a step of preparing a succession of hollows in the composite web obtained by removing for each hollow a corresponding portion of the composite web and a step of applying the portions removed on the composite web.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: October 15, 2019
    Assignee: GDM S.P.A.
    Inventors: Matteo Piantoni, Valerio Soli
  • Patent number: 10384376
    Abstract: A unit for making absorbent pads of absorbent articles including a drum for forming the absorbent pads and a hood for feeding a first and a second absorbent material to at least part of the peripheral surface of the drum; the hood has a chamber for mixing the first and the second absorbent materials and an opening for dispensing the first and the second absorbent materials facing at least part of the peripheral surface of the drum; the unit includes at least a first and a second duct for feeding the second absorbent material into the hood and means for distributing the second absorbent material both of the first feed duct and of the second feed duct; the first and the second ducts are connected to the same distribution means.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: August 20, 2019
    Assignee: GDM S.p.A.
    Inventors: Matteo Piantoni, Valerio Soli
  • Patent number: 10342709
    Abstract: A machine for making absorbent sanitary articles includes a feed conveyor on which a continuous web of material for making the articles is advanced along a feed line in a first direction. A forming and application unit forms and applies by which at least one pair of accessory elements for each article and includes a device for feeding a continuous succession of accessory elements and a conveying unit. The conveying unit includes a conveyor roller for the continuous succession of accessory elements, and a separating device defined by a first and a second spacer roller which are substantially tangent to the conveyor roller at a first and a second pickup station, respectively. The first and the second spacer roller have retaining and alternate movement devices including respective pickup pads which are slidable along a second direction and which are driven by a respective linear electric motor.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: July 9, 2019
    Assignee: GDM S.p.A.
    Inventors: Matteo Piantoni, Alberto Perego
  • Patent number: 10259185
    Abstract: In a unit for making sections of padding for absorbent sanitary articles comprising a first rotary conveyor for feeding and forming a continuous succession of outer pads, comprising at least one layer, a second rotary conveyor for feeding and forming a continuous succession of inner pads comprising two layers, a third rotary conveyor for the pads defining a position for superposing the outer pads and the inner pads, there are compressing means for the two-layer inner pads upstream of the superposing position and second compressing means for the superposed pads downstream of the superposing position.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: April 16, 2019
    Assignee: GDM S.P.A.
    Inventors: Marco Rosani, Matteo Piantoni, Diego Sacchi, Gabriele Pastrello, Alberto Perego
  • Publication number: 20190076300
    Abstract: A method for making absorbent sanitary articles whereby each absorbent article is provided with at least one pair of side tabs. The method includes the steps of feeding a single continuous web with a longitudinal axis towards at least one cutting station where the continuous web is divided, by a succession of cuts transverse to the longitudinal axis, into a first and a second series of side tabs, each of which has an asymmetrical shape and separately applying each rotated side tab of the first series and each side tab of the second series along a continuous strip of a material for making the absorbent articles, in such a way that each rotated tab of the first series is juxtaposed with a respective tab of the second series to define a respective pair of side tabs.
    Type: Application
    Filed: January 30, 2017
    Publication date: March 14, 2019
    Inventors: Valerio SOLI, Matteo PIANTONI, Mauro PIETRALUNGA, Federico TORDINI, Marco ROSANI