Patents by Inventor Diego Tirelli

Diego Tirelli 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: 20160107486
    Abstract: A method for controlling a motor vehicle including equipping the motor vehicle with front and rear tires having a transverse curvature ratio of at least 0.2 and a total height to chord ratio of at least 0.5, where at least one of the tires has an inflation pressure of between 50% and 90% of a low load reference value for normal driving and has a tread and a radial carcass with textile cords, which give the whole of the carcass a controlled elastic response allowing the motor vehicle to be controlled when there are sudden changes in speed and/or direction.
    Type: Application
    Filed: October 21, 2015
    Publication date: April 21, 2016
    Applicant: PIRELLI TYRE S.P.A
    Inventors: Luca BRUSCHELLI, Roberta GIAMBELLI, Lisa GRASSI, Diego TIRELLI, Alessandro MONZANI
  • Patent number: 8813467
    Abstract: A tire includes at least one structural element which includes at least one reinforcing element which includes at least one hybrid yarn, the at least one hybrid yarn including a plurality of filaments obtained from at least one first multifilament yarn having a first initial tangent modulus and at least one second multifilament yarn having a second initial tangent modulus, the first and the second initial tangent modulus being different from each other, each one of the first and the second multifilament yarn including a plurality of individual filaments, the individual filaments of each one of the first and the second multifilament yarns being at least partially intermixed with each other. The tire may be a high performance or ultra high performance tire, or a tire suitable for being employed in sporting contests such as track motor races, or a tire suitable for sports utility vehicles.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: August 26, 2014
    Assignee: Pirelli Tyre, S.p.A.
    Inventors: Barbara Rampana, Diego Tirelli, Udo Kuhlmann, Chokri Cherif, Christian Paul, Refah Ahmet Torun, Olaf Diestel
  • Patent number: 8640753
    Abstract: A tire includes at least one structural element which includes at least one reinforcing element, which includes at least one hybrid yarn, the at least one hybrid yarn including a plurality of filaments obtained from at least one first multifilament yarn having a first initial tangent modulus and at least one second multifilament yarn having a second initial tangent modulus, the first and the second initial tangent modulus being different from each other, each one of the first and the second multifilament yarns including a plurality of individual filaments, the individual filaments of each one of the first and the second multifilament yarns being at least partially intermixed with each other. Preferably, the tire is a high performance or ultra high performance tire, or a tire suitable for being employed in sporting contests, such as, track motor races, or a tire suitable for sports utility vehicles.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: February 4, 2014
    Assignee: Pirelli Tyre S.p.A.
    Inventors: Barbara Rampana, Diego Tirelli, Udo Kuhlmann, Chokri Cherif, Christian Paul, Refah Ahmet Torun, Olaf Diestel
  • Publication number: 20130042593
    Abstract: A tire includes at least one structural element which includes at least one reinforcing element which includes at least one hybrid yarn, the at least one hybrid yarn including a plurality of filaments obtained from at least one first multifilament yarn having a first initial tangent modulus and at least one second multifilament yarn having a second initial tangent modulus, the first and the second initial tangent modulus being different from each other, each one of the first and the second multifilament yarn including a plurality of individual filaments, the individual filaments of each one of the first and the second multifilament yarns being at least partially intermixed with each other. The tire may be a high performance or ultra high performance tire, or a tire suitable for being employed in sporting contests such as track motor races, or a tire suitable for sports utility vehicles.
    Type: Application
    Filed: October 19, 2012
    Publication date: February 21, 2013
    Inventors: Barbara RAMPANA, Diego TIRELLI, Udo KUHLMANN, Chokri CHERIF, Christian PAUL, Refah Ahmet TORUN, Olaf DIESTEL
  • Patent number: 8299152
    Abstract: A tire for vehicle wheels, includes at least one structural element obtained by crosslinking a crosslinkable elastomeric composition including at least one vulcanized rubber in a subdivided form surface treated with at least one oxidizing agent; at least one diene elastomeric polymer, and at least one sulfur-based vulcanizing agent. A surface treatment process of vulcanized rubber and crosslinkable elastomeric composition is obtained with the vulcanized rubber in a subdivided form surface treated with at least one oxidizing agent.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: October 30, 2012
    Assignee: Pirelli Tyre S.p.A.
    Inventors: Emiliano Resmini, Luigia Rossiello, Diego Tirelli, Franco Peruzzotti
  • Publication number: 20120267029
    Abstract: The present invention relates to a method of increasing the high-speed performance of a carcass structure in a tyre for vehicle wheels. The method includes: preparing at least one hybrid yarn (13) and assembling a carcass structure (2) comprising at least one carcass ply (3a, 3b) substantially built on cords (12) comprising the hybrid yarn (13). The hybrid yarn (13) comprises a plurality of filaments (14a, 15a) obtained from a first multi-filament yarn (14) of polyester and a second multi-filament yarn (15) having a decay of the modulus with the temperature lower than 20%. Each of the first multi-filament yarn (14) and second multi-filament yarn (15) comprises a plurality of individual filaments (14a, 15a). The individual filaments (14a) of the first multi-filament yarn (14) are at least partly mixed in proportions of at least 50% with the individual filaments (15a) of said second multi-filament yarn (15).
    Type: Application
    Filed: December 20, 2010
    Publication date: October 25, 2012
    Inventors: Barbara Rampana, Roberto Sangalli, Diego Tirelli
  • Patent number: 8240350
    Abstract: A tire includes at least one structural element including a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition including: (a) an amount higher than or equal to 30 phr, preferably 40 phr to 100 phr, of at least one polyisoprene rubber; (b) an amount lower than or equal to 70 phr, preferably 0 phr to 60 phr, of at least one diene elastomeric polymer other than the polyisoprene rubber (a); (c) an amount higher than or equal to 30 phr, preferably 40 phr to 120 phr, of at least one carbon black reinforcing filler; (d) 0.2 phr to 10 phr, preferably 1 phr to 5 phr, of at least one copolymer of at least one ethylenically unsaturated carboxylic acid or a derivative thereof with at least one ethylenically unsaturated monomer containing at least one polyoxyalkylene side chain. Preferably, the structural element is a tire's sidewall.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: August 14, 2012
    Assignee: Pirelli Tyre S.p.A.
    Inventors: Emiliano Resmini, Francesca Baione, Diego Tirelli, Luigi Fino, Maurizio Galimberti, Attilio Citterio
  • Publication number: 20120118467
    Abstract: A tire for a motorcycle having a transverse curvature ratio of at least 0.20 and a total height/width ratio of at least 0.5, includes a radial carcass including textile cords made from lyocell cellulose fibre.
    Type: Application
    Filed: July 15, 2010
    Publication date: May 17, 2012
    Inventors: Luca Bruschelli, Roberta Giambelli, Lisa Grassi, Diego Tirelli
  • Patent number: 7861484
    Abstract: A method for making a sound-insulating load-bearing floor, includes the following steps: applying a sound-insulating material over a load-bearing floor as to form a continuous coating layer; allowing the continuous coating layer to harden; applying a covering floor over said hardened continuous coating layer; wherein the sound-insulating material includes: 40% by weight to 95% by weight, preferably 60% by weight to 90% by weight, with respect to the total weight of the sound-insulating material, of at least one rubber in a subdivided form; 5% by weight to 60% by weight, preferably 10% by weight to 40% by weight, with respect to the total weight of the sound-insulating material, of at least one binding agent including: a first, component including at least one organic compound having at least one acid functional group or a derivative thereof, the first component having a Brookfield viscosity, measured at 23° C., of 0.1 Pa·s to 100 Pa·s, preferably 0.2 Pa·s to 50 Pa·s, more preferably 0.
    Type: Grant
    Filed: March 4, 2005
    Date of Patent: January 4, 2011
    Assignee: Pirelli & C. S.p.A.
    Inventors: Massimiliano Pavan, Elio Ganci, Raffaella Donetti, Massimo Marini, Diego Tirelli, Franco Peruzzotti
  • Patent number: 7861477
    Abstract: A method for making a sound-insulating load-bearing floor, includes the following steps: providing a load-bearing floor; applying a sound-insulating material onto the load-bearing floor so as to form a substantially continuous coating layer; allowing the substantially continuous coating layer to dry; wherein the sound-insulating material includes: 40% by weight to 95% by weight, preferably 60% by weight to 90% by weight, with respect to the total weight of the sound-insulating material, of at least one rubber in a subdivided form; 5% by weight to 60% by weight, preferably 10% by weight to 40% by weight, with respect to the total weight of the sound-insulating material, of at least one binding agent including at least one water-dispersible polymer having a glass transition temperature (Tg) of ?50° C. to +50° C., preferably of ?40° C. to +10° C.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: January 4, 2011
    Assignee: Pirelli & C. S.p.A.
    Inventors: Raffaella Donetti, Massimo Marini, Massimiliano Pavan, Elio Ganci, Diego Tirelli, Franco Perruzzotti
  • Publication number: 20100224298
    Abstract: A tire includes at least one structural element which includes at least one reinforcing element which includes at least one hybrid yarn, the at least one hybrid yarn including a plurality of filaments obtained from at least one first multifilament yarn having a first initial tangent modulus and at least one second multifilament yarn having a second initial tangent modulus, the first and the second initial tangent modulus being different from each other, each one of the first and the second multifilament yarn including a plurality of individual filaments, the individual filaments of each one of the first and the second multifilament yarns being at least partially intermixed with each other. Preferably, the tire is a high performance or ultra high performance tire, or a tire suitable for being employed in sporting contests such as track motor races, or a tire suitable for sports utility vehicles.
    Type: Application
    Filed: October 24, 2007
    Publication date: September 9, 2010
    Applicant: PIRELLI TYRE S.PA.
    Inventors: Barbara Rampana, Diego Tirelli, Udo Kuhlmann, Chokri Cherif, Christian Paul, Refah Ahmet Torun, Olaf Diestel
  • Publication number: 20100108351
    Abstract: Cable comprising at least one conductor and at least a fire resistant coating layer including a composition comprising: (a) at least an organic polymer having a combustion temperature range comprised between a minimum value T1 and a maximum value T2; (b) at least a glass frit; (c) at least an inert compound; wherein:—said inert compound (c) has a softening point or a melting temperature of not less than 1000° C.;—said glass frit (b) reaches a viscosity of between 107 poise and 108 poise in a selected temperature range including the combustion temperature range of said organic polymer (a), said selected temperature range being such that said glass frit (b) flows over said inert compound (c) and the burned organic polymer (a) so as to form a solid char fire resistant coating layer.
    Type: Application
    Filed: September 30, 2009
    Publication date: May 6, 2010
    Inventors: Paola Luciana Pinacci, Franco Peruzzotti, Diego Tirelli
  • Publication number: 20100069529
    Abstract: A tire includes at least one structural element including a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition including: (a) an amount higher than or equal to 30 phr, preferably 40 phr to 100 phr, of at least one polyisoprene rubber; (b) an amount lower than or equal to 70 phr, preferably 0 phr to 60 phr, of at least one diene elastomeric polymer other than the polyisoprene rubber (a); (c) an amount higher than or equal to 30 phr, preferably 40 phr to 120 phr, of at least one carbon black reinforcing filler; (d) 0.2 phr to 10 phr, preferably 1 phr to 5 phr, of at least one copolymer of at least one ethylenically unsaturated carboxylic acid or a derivative thereof with at least one ethylenically unsaturated monomer containing at least one polyoxyalkylene side chain. Preferably, the structural element is a tire's sidewall.
    Type: Application
    Filed: April 28, 2005
    Publication date: March 18, 2010
    Inventors: Emiliano Resmini, Francesca Baione, Diego Tirelli, Luigi Fino, Maurizio Galimberti, Attilio Citterio
  • Publication number: 20100051160
    Abstract: A tire includes a carcass structure of a substantially toroidal shape, having opposite lateral edges terminating in respective bead structures; a belt structure applied in a radially external position with respect to the carcass structure, the belt structure including at least one belt layer, a tread band radially superimposed on the belt structure; a pair of sidewalls applied laterally on opposite sides with respect to the carcass structure, wherein the at least one belt layer includes at least one reinforcing cod including a core including at least one first elongated element including at least one composite material, the composite material including a plurality of elongated fibers embedded in a polymeric material, the core being wrapped with at least one second elongated element including at least one elementary metal wire.
    Type: Application
    Filed: May 28, 2007
    Publication date: March 4, 2010
    Applicant: PIRELLI TYRE S.P.A.
    Inventors: Guido Daghini, Stefano Tresoldi, Barbara Rampana, Diego Tirelli, Simone Fanfani
  • Patent number: 7654477
    Abstract: A process for producing a rubber powder from a vulcanized rubber material by the steps of: a) feeding a grinding device with the vulcanized rubber material; b) contacting the vulcanized rubber material with at least one liquid coolant; c) introducing at least one grinding aid additive into the grinding device; d) operating the grinding device so as to grind the vulcanized rubber material to form a rubber powder, and e) discharging the rubber powder from the extruder.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: February 2, 2010
    Assignee: Pirelli & C. S.p.A.
    Inventors: Diego Tirelli, Michele Galbusera, Franco Peruzzotti, Cristiano Puppi, Stefano Testi, Antonio Monterosso, Matteo Di Biase
  • Patent number: 7652101
    Abstract: A thermoplastic material has a) from 5% weight to 95% by weight, preferably from 10% by weight to 60% by weight, of vulcanized rubber in a subdivided form; b) from 5% by weight to 95% by weight, preferably from 40% by weight to 90% by weight, of at least one heterophase copolymer having a thermoplastic phase made from a propylene homopolymer or copolymer and an elastomeric phase made from a copolymer of ethylene with an ?-olefin, preferably with propylene; c) from 0% by weight to 90% by weight, preferably from 0% by weight to 50% by weight, of at least one ?-olefin homopolymer or copolymer different from b); the amounts of a), b) and c) being expressed with respect to the total weight of a)+b)+c). The thermoplastic material shows improved mechanical properties, in particular, improved elongation at break.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: January 26, 2010
    Assignee: Pirelli & C. S.p.A.
    Inventors: Diego Tirelli, Michele Galbusera, Luca Castellani, Franco Peruzzotti, Enrico Albizzati
  • Publication number: 20100000652
    Abstract: A tire includes a carcass structure of a substantially toroidal shape, having opposite lateral edges associated with respective right-hand and left-hand bead structures, the bead structures including at least one bead core and at least one bead fiber; a belt structure applied to a radially external position with respect to the carcass structure, a tread band radially superimposed on the belt structure; a pair of sidewalls applied laterally on opposite sides with respect to the carcass structure; wherein the at least one bead core includes at least one first elongated element including at least one composite material including a plurality of elongated fibers embedded in a polymeric material, the composite material having a flexural modulus, measured according to Standard ASTM D790-03, at 23° C., not lower than or equal to 10 GPa, preferably 20 GPa to 200 GPa and at least one second elongated element including at least one metal wire.
    Type: Application
    Filed: November 22, 2006
    Publication date: January 7, 2010
    Inventors: Stefano Tresoldi, Guido Daghini, Barbara Rampana, Diego Tirelli
  • Publication number: 20090293413
    Abstract: A method for making a sound-insulating load-bearing floor, includes the following steps: providing a load-bearing floor; applying a sound-insulating material onto the load-bearing floor so as to form a substantially continuous coating layer; allowing the substantially continuous coating layer to dry; wherein the sound-insulating material includes: 40% by weight to 95% by weight, preferably 60% by weight to 90% by weight, with respect to the total weight of the sound-insulating material, of at least one rubber in a subdivided form; 5% by weight to 60% by weight, preferably 10% by weight to 40% by weight, with respect to the total weight of the sound-insulating material, of at least one binding agent including at least one water-dispersible polymer having a glass transition temperature (Tg) of ?50° C. to +50° C., preferably of ?40° C. to +10° C.
    Type: Application
    Filed: June 10, 2005
    Publication date: December 3, 2009
    Applicant: PIRELLI & C. S.p.A.
    Inventors: Rafaella Donetti, Massino Marini, Massimiliano Pavan, Elio Ganci, Diego Tirelli, Franco Peruzzotti
  • Publication number: 20090272475
    Abstract: A tire for vehicle wheels, includes at least one structural element obtained by crosslinking a crosslinkable elastomeric composition including at least one vulcanized rubber in a subdivided form surface treated with at least one oxidizing agent; at least one diene elastomeric polymer, and at least one sulfur-based vulcanizing agent. A surface treatment process of vulcanized rubber and crosslinkable elastomeric composition is obtained with the vulcanized rubber in a subdivided form surface treated with at least one oxidizing agent.
    Type: Application
    Filed: October 30, 2006
    Publication date: November 5, 2009
    Inventors: Emiliano Resmini, Luigia Rossiello, Diego Tirelli, Franco Peruzzotti
  • Publication number: 20090215963
    Abstract: A thermoplastic elastomeric material includes a vulcanized rubber in a subdivided form surface-grafted with at least one vinyl polymer, wherein the amount of the surface-grafted vinyl polymer is not lower than 60% by weight, preferably not lower than 70% by weight, more preferably not lower than 80% by weight, with respect to the total weight of the surface-grafted vinyl polymer and the vulcanized rubber in a subdivided form.
    Type: Application
    Filed: August 4, 2004
    Publication date: August 27, 2009
    Inventors: Serena Coiai, Elisa Passaglia, Catherine Hirel, Francesco Ciardelli, Diego Tirelli, Emiliano Resmini, Franco Peruzzotti