Patents by Inventor Nathalie Salgues
Nathalie Salgues 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).
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Patent number: 11787235Abstract: A tire with a radial carcass reinforcement, made up of at least one layer of metal reinforcing elements inserted between two skim layers of elastomer compound containing a reinforcing filler made up of at least carbon black. The tensile elastic modulus at 10% elongation of at least the skim layer closest to the internal cavity of at least the carcass reinforcement layer closest to the internal cavity is less than 8.5 MPa and at least the said skim layer closest to the internal cavity of at least the carcass reinforcement layer closest to the internal cavity has a macrodispersion value Z greater than 85.Type: GrantFiled: November 7, 2018Date of Patent: October 17, 2023Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Nathalie Salgues, Auriane Frisch, Arnaud Gommez
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Publication number: 20210115218Abstract: The invention relates to a rubber composition based on an elastomeric matrix comprising at least 90 phr of at least one isoprene elastomer, on a reinforcing filler predominantly comprising at least one carbon black, known as CB black, exhibiting a BET specific surface at most equal to 30 m2/g and an oil absorption index of compressed sample (COAN) at least equal to 60 ml/100 g, and on a crosslinking system, the said composition not comprising, or comprising at most 10 phr of, carbon black, the BET specific surface of which is greater than 30 m2/g and the COAN of which is greater than 40 ml/100 g, and not comprising, or comprising at most 10 phr of, silica.Type: ApplicationFiled: April 1, 2019Publication date: April 22, 2021Inventors: KATIA BARAN, NATHALIE SALGUES
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Publication number: 20200384808Abstract: A tire with a radial carcass reinforcement, made up of at least one layer of metal reinforcing elements inserted between two skim layers of elastomer compound containing a reinforcing filler made up of at least carbon black. The tensile elastic modulus at 10% elongation of at least the skim layer closest to the internal cavity of at least the carcass reinforcement layer closest to the internal cavity is less than 8.5 MPa and at least the said skim layer closest to the internal cavity of at least the carcass reinforcement layer closest to the internal cavity has a macrodispersion value Z greater than 85.Type: ApplicationFiled: November 7, 2018Publication date: December 10, 2020Inventors: Nathalie SALGUES, Auriane FRISCH, Arnaud GOMMEZ
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Patent number: 10662582Abstract: A cord rubberized in situ (C) comprising: an internal layer of the cord (CT1), an external layer of the cord (CT3), a rubber composition (20) positioned between the internal layer of the cord and the external layer of the cord. The rubber composition (20) comprises a compound of formula (I): in which X and Y represent, independently of each other, an alkali metal or alkaline earth metal cation.Type: GrantFiled: June 11, 2015Date of Patent: May 26, 2020Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Lionel Belin, Nathalie Salgues, Sébastien Noel
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Patent number: 10543718Abstract: Tire comprising a crown reinforcement formed of at least two working crown layers each formed of reinforcing elements inserted between two skim layers of rubber compound. First layer S of polymer compound is in contact with a working crown layer and the carcass reinforcement. The crown reinforcement comprises a layer of circumferential reinforcing elements. The elastic modulus under tension at 10% elongation of a skim layer of a working crown layer is less than 8.5 MPa, the maximum value of tan(?) of the skim layer of a working crown layer is <0.100. First layer S comprises a filled elastomer blend having a macro dispersion coefficient Z?65 and a maximum tan(?) value <0.100 and its complex dynamic shear modulus G*, measured at 10% and 60° C. on the return cycle is >1.35 MPa.Type: GrantFiled: May 27, 2015Date of Patent: January 28, 2020Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Hichem Rehab, Nathalie Salgues, Jacques Besson
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Patent number: 10532612Abstract: Tire comprising a crown reinforcement formed of at least two working crown layers of reinforcing elements. First layer C of rubber compound is placed between ends of the two working crown layers. Second layer S of polymer compound is in contact with at least one working crown layer and with the carcass reinforcement. The crown reinforcement includes at least one layer of circumferential reinforcing elements. The elastic modulus under tension at 10% elongation of first layer C is less than 8 MPa, the maximum value of tan(?) of first layer C is less than 0.100. The second layer S is made up of a filled elastomer blend having a macro dispersion coefficient Z greater than or equal to 65 and a maximum tan(?) value less than 0.100, and its complex dynamic shear modulus G*, measured at 10% and 60° C. on the return cycle, is greater than 1.35 MPa.Type: GrantFiled: May 27, 2015Date of Patent: January 14, 2020Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Hichem Rehab, Nathalie Salgues, Jacques Besson
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Patent number: 10518584Abstract: Tire comprising a crown reinforcement formed of at least two working crown layers of reinforcing elements, crossed from one layer to the other making with the circumferential direction angles comprised between 10° and 45°. A first layer S of polymer compound is in contact with at least one working crown layer and in contact with the carcass reinforcement, the first layer S of polymer compound extending axially as far as at least the axial end of the tread, the first layer S of compound polymer compound is made up of a filled elastomer blend having a macro dispersion coefficient Z greater than or equal to 65 and a maximum tan(?) value, denoted tan(?)max, less than 0.100 and its complex dynamic shear modulus G*, measured at 10% and 60° C. on the return cycle is greater than 1.35 MPa.Type: GrantFiled: May 27, 2015Date of Patent: December 31, 2019Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Hichem Rehab, Mukul Gupta, Nathalie Salgues, Jacques Besson
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Patent number: 10399386Abstract: Tire comprising a crown reinforcement comprising two working crown layers having unequal axial widths. Layer C of rubber compound is placed between ends of the working crown layers. Second layer S of polymer compound is in contact with at least one working crown layer and the carcass reinforcement, which comprises a layer of circumferential reinforcing elements arranged radially between two working crown layers. Distance d between the end of the axially narrowest working layer and the working layer separated from it by layer C is 1.1ø<d<2.2ø, ø being the diameter of the reinforcing elements, in a meridian plane. Second layer S is made up of a filled elastomer blend having a macro dispersion coefficient Z?65 and a maximum tan(?) value less than 0.100. Its complex dynamic shear modulus G*, measured at 10% and 60° C. on the return cycle is greater than 1.35 MPa.Type: GrantFiled: May 27, 2015Date of Patent: September 3, 2019Assignee: COMPAGNIE GENERALE DES ETABLISSEMETNS MICHELINInventors: Hichem Rehab, Nathalie Salgues, Jacques Besson
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Patent number: 10378148Abstract: A cord rubberized in situ (C). Internal layer of the cord (CT1) comprises N1 internal thread(s). External layer of the cord (CT3) comprises N3 external threads wound helically around the internal layer of the cord. Rubber composition (20) is positioned between the internal layer of the cord and the external layer of the cord, and comprises a compound of formula (I) or a salt of this compound: in which: each R1, R2 and R3 group represents, independently of one another, an alkylene, arylene, arylalkylene, alkylarylene or cycloalkylene group, each X1 and X2 group represents, independently of each other, —COOH, —CO—NH—OH, —SOOH, —PO(OR)(R?) or —PO(OR)(OR?) with R and R? representing, independently of each other, hydrogen or an alkyl group, and X3 comprises at least one —COOH, —CO—NH—OH, —SOOH, —PO(OR)(R?) or —PO(OR)(OR?) group with R and R? representing, independently of each other, hydrogen or an alkyl group.Type: GrantFiled: June 11, 2015Date of Patent: August 13, 2019Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Lionel Belin, Nathalie Salgues, Sébastien Noel
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Publication number: 20180155526Abstract: A single-strand cord rubberized in situ (C) comprising: an internal layer of the cord (CT1) comprising N1 internal thread(s), an external layer of the cord (CT3) comprising N3 external threads wound helically around the internal layer of the cord, a rubber composition (20) positioned between the internal layer of the cord and the external layer of the cord. The rubber composition (20) comprises a compound of formula (I) or (II) or a salt of this compound: in which each R1, R2, R3 and R4 group represents, independently of one another, an —OH, —O-Alkyl or —O(C)O-Alkyl group.Type: ApplicationFiled: June 11, 2015Publication date: June 7, 2018Inventors: Lionel BELIN, Nathalie SALGUES, Sébastien NOEL
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Publication number: 20170151836Abstract: Tire comprising a crown reinforcement formed of at least two working crown layers each formed of reinforcing elements inserted between two skim layers of rubber compound. First layer S of polymer compound is in contact with a working crown layer and the carcass reinforcement. The crown reinforcement comprises a layer of circumferential reinforcing elements. The elastic modulus under tension at 10% elongation of a skim layer of a working crown layer is less than 8.5 MPa, the maximum value of tan(?) of the skim layer of a working crown layer is <0.100. First layer S comprises a filled elastomer blend having a macro dispersion coefficient Z?65 and a maximum tan(?) value <0.100 and its complex dynamic shear modulus G*, measured at 10% and 60° C. on the return cycle is >1.35 MPa.Type: ApplicationFiled: May 27, 2015Publication date: June 1, 2017Inventors: Hichem REHAB, Nathalie SALGUES, Jacques BESSON
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Publication number: 20170144486Abstract: Tire comprising a crown reinforcement formed of at least two working crown layers of reinforcing elements. First layer C of rubber compound is placed between ends of the two working crown layers. Second layer S of polymer compound is in contact with at least one working crown layer and with the carcass reinforcement. The crown reinforcement includes at least one layer of circumferential reinforcing elements. The elastic modulus under tension at 10% elongation of first layer C is less than 8 MPa, the maximum value of tan(?) of first layer C is less than 0.100. The second layer S is made up of a filled elastomer blend having a macro dispersion coefficient Z greater than or equal to 65 and a maximum tan(?) value less than 0.100, and its complex dynamic shear modulus G*, measured at 10% and 60° C. on the return cycle, is greater than 1.35 MPa.Type: ApplicationFiled: May 27, 2015Publication date: May 25, 2017Inventors: Hichem REHAB, Nathalie SALGUES, Jacques BESSON
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Publication number: 20170136820Abstract: Tire comprising a crown reinforcement formed of at least two working crown layers of reinforcing elements, crossed from one layer to the other making with the circumferential direction angles comprised between 10° and 45°. A first layer S of polymer compound is in contact with at least one working crown layer and in contact with the carcass reinforcement, the first layer S of polymer compound extending axially as far as at least the axial end of the tread, the first layer S of compound polymer compound is made up of a filled elastomer blend having a macro dispersion coefficient Z greater than or equal to 65 and a maximum tan(?) value, denoted tan(?)max, less than 0.100 and its complex dynamic shear modulus G*, measured at 10% and 60° C. on the return cycle is greater than 1.35 MPa.Type: ApplicationFiled: May 27, 2015Publication date: May 18, 2017Applicants: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A.Inventors: Hichem REHAB, Mukul GUPTA, Nathalie SALGUES, Jacques BESSON
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Publication number: 20170120682Abstract: Tire comprising a crown reinforcement comprising two working crown layers having unequal axial widths. Layer C of rubber compound is placed between ends of the working crown layers. Second layer S of polymer compound is in contact with at least one working crown layer and the carcass reinforcement, which comprises a layer of circumferential reinforcing elements arranged radially between two working crown layers. Distance d between the end of the axially narrowest working layer and the working layer separated from it by layer C is 1.1ø<d<2.2ø, ø being the diameter of the reinforcing elements, in a meridian plane. Second layer S is made up of a filled elastomer blend having a macro dispersion coefficient Z?65 and a maximum tan(?) value less than 0.100. Its complex dynamic shear modulus G*, measured at 10% and 60° C. on the return cycle is greater than 1.35 MPa.Type: ApplicationFiled: May 27, 2015Publication date: May 4, 2017Inventors: Hichem REHAB, Nathalie SALGUES, Jacques BESSON
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Publication number: 20170114496Abstract: A cord rubberized in situ (C) comprising: an internal layer of the cord (CT1), an external layer of the cord (CT3), a rubber composition (20) positioned between the internal layer of the cord and the external layer of the cord. The rubber composition (20) comprises a compound of formula (I): in which X and Y represent, independently of each other, an alkali metal or alkaline earth metal cation.Type: ApplicationFiled: June 11, 2015Publication date: April 27, 2017Applicants: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A.Inventors: Lionel BELIN, Nathalie SALGUES, Sébastien NOEL
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Publication number: 20170107663Abstract: A cord rubberized in situ (C). Internal layer of the cord (CT1) comprises N1 internal thread(s). External layer of the cord (CT3) comprises N3 external threads wound helically around the internal layer of the cord. Rubber composition (20) is positioned between the internal layer of the cord and the external layer of the cord, and comprises a compound of formula (I) or a salt of this compound: in which: each R1, R2 and R3 group represents, independently of one another, an alkylene, arylene, arylalkylene, alkylarylene or cycloalkylene group, each X1 and X2 group represents, independently of each other, —COOH, —CO—NH—OH, —SOOH, —PO(OR)(R?) or —PO(OR)(OR?) with R and R? representing, independently of each other, hydrogen or an alkyl group, and X3 comprises at least one —COOH, —CO—NH—OH, —SOOH, —PO(OR)(R?) or —PO(OR)(OR?) group with R and R? representing, independently of each other, hydrogen or an alkyl group.Type: ApplicationFiled: June 11, 2015Publication date: April 20, 2017Inventors: Lionel BELIN, Nathalie SALGUES, Sébastien NOEL
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Patent number: 9428011Abstract: A metal cord is rubberized in situ by a rubber composition that includes a styrene-butadiene copolymer. The styrene-butadiene copolymer includes styrene units at a proportion of between 25% and 35% by weight, limits included, of a total weight of the styrene-butadiene copolymer. The styrene-butadiene copolymer also includes trans-1,4-bonds at a proportion of between 73% and 83% by weight, limits included, of a total weight of a butadiene part of the styrene-butadiene copolymer.Type: GrantFiled: October 29, 2013Date of Patent: August 30, 2016Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A.Inventor: Nathalie Salgues
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Publication number: 20150246581Abstract: A metal cord is rubberized in situ by a rubber composition that includes a styrene-butadiene copolymer. The styrene-butadiene copolymer includes styrene units at a proportion of between 25% and 35% by weight, limits included, of a total weight of the styrene-butadiene copolymer. The styrene-butadiene copolymer also includes trans-1,4-bonds at a proportion of between 73% and 83% by weight, limits included, of a total weight of a butadiene part of the styrene-butadiene copolymer.Type: ApplicationFiled: October 29, 2013Publication date: September 3, 2015Inventor: Nathalie Salgues
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Publication number: 20150217602Abstract: A metal cord is rubberized in situ by a rubber composition. The rubber composition includes an organic polysulphide.Type: ApplicationFiled: September 26, 2013Publication date: August 6, 2015Inventors: Nathalie Salgues, Jean-Luc Cabioch
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Publication number: 20140338811Abstract: A tire having a radial carcass reinforcement, composed of at least one layer of metal reinforcing elements, the said tire comprising a crown reinforcement, itself topped radially by a tread, the said tread being joined to two beads via two sidewalls. The metal reinforcing elements of at least one layer of the carcass reinforcement are cords exhibiting, in the “permeability” test, a flow rate of less than 20 cm3/min and at least one layer of the carcass reinforcement is provided, on at least one face, with textile threads and at least the layer of elastomeric mixture, radially external to the bead wire and in contact with the latter, is an elastomeric mixture based on natural rubber or on synthetic polyisoprene and on a reinforcing filler conferring high cohesion.Type: ApplicationFiled: December 18, 2012Publication date: November 20, 2014Applicants: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE TECHNIQUE S.A.Inventors: Charlotte Caffeau, Sébastien Noel, Nathalie Salgues, Patricia Lagarde