Patents by Inventor Pascal Prost

Pascal Prost 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).

  • Patent number: 11752802
    Abstract: A tire having an axis of rotation and a median plane (CP) perpendicular to the axis of rotation, and comprising: a crown reinforcement, a tread positioned radially on the outside of the crown reinforcement and axially between two shoulders, comprising a contact face intended to come into contact with the roadway while the tire is being driven on, wherein the tread is primarily made up of at least one rubber compound of given dynamic shear modulus M and comprises a plurality of furrows oriented substantially circumferentially, each furrow having a furrow bottom, and a sub-layer disposed radially on the outside of the crown reinforcement and radially on the inside of the tread, wherein the sub-layer is made up of at least one rubber compound of given dynamic shear modulus A is flush with each furrow bottom.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: September 12, 2023
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Christopher Careme, Pascal Prost
  • Publication number: 20230158762
    Abstract: A method for manufacturing a tire comprising a carcass reinforcement comprising a carcass layer and a working reinforcement comprising a single working layer comprising forming, around a support, a wound carcass assembly (52) intended to form the carcass layer and a wound working assembly intended to form the working layer, and then deforming the support. The wound carcass assembly (52) is formed so as to form either a junction (56) by abutment without forming a superposition, or a junction (56) by overlapping, or without forming a junction.
    Type: Application
    Filed: October 9, 2020
    Publication date: May 25, 2023
    Inventors: PASCAL PROST, GAEL ROTY, OLIVIER MUHLHOFF
  • Patent number: 11560023
    Abstract: Tire (1) having sidewalls (2), a substantially electrically insulating crown block (7) and a substantially insulating tread (8), the tire (1) also having at least one conductive peg (21) that is oriented in the radial direction and positioned under the tread (8) of the tire so as to create an electrically conductive path between the ground and a rim on which the tire is able to be mounted.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: January 24, 2023
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Claude Orlowski, Olivier Muhlhoff, Jośe Merino, Pascal Prost, Mattheiu Quadrini
  • Patent number: 11358414
    Abstract: A tire has a sub-layer (7) made up substantially of a first base layer (71) disposed radially on the crown reinforcement (5) and axially between the median plane (CP) and a transition edge (711), the transition edge (711) being situated axially between the median plane (CP) and a shoulder (60), said first base layer (71) being made up of a rubber compound of given stiffness A, a second base layer (72) disposed radially on the crown reinforcement (5) and axially between the transition edge (711) and a shoulder end (721), said second base layer (72) being made up of a rubber compound of given stiffness B, a covering layer (73) disposed radially on the first base layer (71) and on the second base layer (72) and radially on the inside of the tread (6) and axially at least in sections situated between the median plane (CP) and the shoulder end (721), said covering layer (73) being made up of a rubber compound of given stiffness C, the stiffness B being less than the stiffness A, which is less than the stiffness C,
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: June 14, 2022
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Pascal Prost, Christopher Careme, David Dean
  • Publication number: 20210031565
    Abstract: Tire (1) having a sub-layer (7) made up substantially of a base layer (71) disposed radially on the crown reinforcement (5) and axially between the median plane (CP) and a shoulder (60), said base layer (71) being made up of a rubber compound of given stiffness A, a covering layer (72) disposed radially on the base layer (71) and radially on the inside of the tread (6) and axially at least in sections situated between the median plane (CP) and the shoulder end (721), said covering layer (72) being made up of a rubber compound of given stiffness B, the stiffness A being less than the stiffness B, and the stiffness B being greater than the stiffness M.
    Type: Application
    Filed: January 18, 2019
    Publication date: February 4, 2021
    Inventors: Pascal PROST, Christopher CAREME, David DEAN
  • Publication number: 20200331307
    Abstract: Tire (1) having sidewalls (2), a substantially electrically insulating crown block (7) and a substantially insulating tread (8), the tire (1) also having at least one conductive peg (21) that is oriented in the radial direction and positioned under the tread (8) of the tire so as to create an electrically conductive path between the ground and a rim on which the tire is able to be mounted.
    Type: Application
    Filed: December 20, 2018
    Publication date: October 22, 2020
    Inventors: Claude ORLOWSKI, Olivier MUHLHOFF, Jose MERINO, Pascal PROST, Mattheiu QUADRINI
  • Publication number: 20200231012
    Abstract: A tire for a motor vehicle comprising: two beads (20); two sidewalls (30) meeting at a crown (25); at least one carcass reinforcement (160) extending from the beads (20) through the sidewalls (30) as far as the crown (25), the carcass reinforcement (160) having a plurality of carcass reinforcing elements and anchored in the two beads (20) by a turn-up around the annular reinforcing structure (70), so as to form in each bead a main strand (162) and a turn-up strand (163); and a stiffening reinforcement (140) arranged in at least one sidewall of the tire, said stiffening reinforcement (140) having a radially inner end (141) and a radially outer end (142), the stiffening reinforcement being formed of a plurality of stiffening elements oriented at an angle less than or equal to 10° relative to a circumferential direction of the tire.
    Type: Application
    Filed: October 1, 2018
    Publication date: July 23, 2020
    Inventors: HERVE FERIGO, PASCAL PROST
  • Publication number: 20200156413
    Abstract: A tire having an axis of rotation and a median plane (CP) perpendicular to the axis of rotation, and comprising: a crown reinforcement, a tread positioned radially on the outside of the crown reinforcement and axially between two shoulders, comprising a contact face intended to come into contact with the roadway while the tire is being driven on, wherein the tread is primarily made up of at least one rubber compound of given dynamic shear modulus M and comprises a plurality of furrows oriented substantially circumferentially, each furrow having a furrow bottom, and a sub-layer disposed radially on the outside of the crown reinforcement and radially on the inside of the tread, wherein the sub-layer is made up of at least one rubber compound of given dynamic shear modulus A is flush with each furrow bottom.
    Type: Application
    Filed: June 26, 2018
    Publication date: May 21, 2020
    Inventors: CHRISTOPHER CAREME, PASCAL PROST
  • Publication number: 20190232720
    Abstract: A tire has a sub-layer (7) made up substantially of a first base layer (71) disposed radially on the crown reinforcement (5) and axially between the median plane (CP) and a transition edge (711), the transition edge (711) being situated axially between the median plane (CP) and a shoulder (60), said first base layer (71) being made up of a rubber compound of given stiffness A, a second base layer (72) disposed radially on the crown reinforcement (5) and axially between the transition edge (711) and a shoulder end (721), said second base layer (72) being made up of a rubber compound of given stiffness B, a covering layer (73) disposed radially on the first base layer (71) and on the second base layer (72) and radially on the inside of the tread (6) and axially at least in sections situated between the median plane (CP) and the shoulder end (721), said covering layer (73) being made up of a rubber compound of given stiffness C, the stiffness B being less than the stiffness A, which is less than the stiffness C,
    Type: Application
    Filed: July 17, 2017
    Publication date: August 1, 2019
    Inventors: PASCAL PROST, CHRISTOPHER CAREME, DAVID DEAN
  • Patent number: 9168790
    Abstract: A motorized two-wheeled vehicle, comprising a radial carcass reinforcement formed of at least two layers of reinforcing elements, and comprising underneath the tread a crown reinforcement structure comprising of at least one layer of reinforcing elements. At least the tread surface comprises a first polymeric compound extending in at least the region of the equatorial plane and at least one second polymeric compound having physicochemical properties different from those of said first polymeric compound, the density of reinforcing elements in the radially inner carcass reinforcement layer being less than that in the radially outer carcass reinforcement layer.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: October 27, 2015
    Assignees: Michelin Recherche et Technique S.A., COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Jean-Marc Ruffenach, Alain Valle, Luc Bestgen, Pascal Prost
  • Patent number: 9156316
    Abstract: A tire comprising a reinforcing structure of the carcass type and comprising under the tread strip a crown reinforcing structure consisting of at least two layers of reinforcing elements. The carcass-type reinforcing structure is produced in the form of two half-layers extending at least from the shoulders to the beads and each having an end under the tread strip, the crown reinforcing structure comprises at least one layer of circumferential reinforcing elements which are distributed in the transverse direction with a variable pitch and the pitch between the circumferential reinforcing elements is at a minimum in the region of the layer of circumferential reinforcing elements that radially face the ends of each of the half-layers of the carcass-type reinforcing structure.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: October 13, 2015
    Assignees: Michelin Recherche et Technique S.A., COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Francis Bordoz, Alain Valle, Pascal Prost
  • Patent number: 8925606
    Abstract: A tire comprising a reinforcing structure of the carcass type and comprising under the tread strip a crown reinforcing structure comprised of at least one layer of reinforcing elements. At least the surface of the tread strip comprises a first polymer compound extending at least into the region of the equatorial plane and at least one second polymer compound having physicochemical properties that differ from those of the first polymer compound, the crown reinforcing structure comprising at least one layer of circumferential reinforcing elements which are distributed in the transverse direction with a variable pitch and the pitch between the circumferential reinforcing elements being at a minimum in the region of the layer of circumferential reinforcing elements that radially face the ends of the first compound.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: January 6, 2015
    Assignees: Michelin Recherche Techniques S.A, Compagnie Generale des Etablissements Michelin
    Inventors: Francis Bordoz, Alain Valle, Pascal Prost
  • Patent number: 8776848
    Abstract: A tire for a motorized two-wheeled vehicle, comprising a carcass-type reinforcing structure formed of at least two layers of reinforcing elements, and comprising underneath the tread a crown reinforcement structure comprising at least one layer of reinforcing elements. At least the tread surface comprises a first polymeric compound extending in at least the region of the equatorial plane and at least one second polymeric compound having physicochemical properties different from those of said first polymeric compound, the reinforcing elements of said two or more layers forming the carcass-type reinforcing structure forming angles with the circumferential direction of between 70° and 85° and the distance between the reinforcing elements of each of said two or more layers forming the carcass-type reinforcing structure being not more than 0.5 mm across at least 60% of the axial width of at least one region composed of the second polymeric compound.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: July 15, 2014
    Assignees: Michelin Recherche et Techniques S.A., Compagnie Generale des Etablissements Michelin
    Inventors: Jean-Marc Ruffenach, Alain Valle, Luc Bestgen, Pascal Prost
  • Patent number: 8162534
    Abstract: A ground-contacting component of a vehicle, consisting partly of polymeric compounds, in which at least one wireless temperature measurement system 7 based on surface acoustic wave or bulk acoustic wave technology is embedded in a region of a polymeric compound liable to reach temperatures above 100° C. and/or to be influenced by a surrounding region of a polymeric compound liable to reach temperatures above 100° C. during use of the vehicle. Also disclosed are a tire 1 and the use of a wireless temperature measurement system based on acoustic surface wave or bulk acoustic wave technology.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: April 24, 2012
    Assignee: Michelin Recherche et Technique S.A.
    Inventors: Lionel Fagot-Revurat, Pascal Prost
  • Publication number: 20110308678
    Abstract: A tire comprising a reinforcing structure of the carcass type and comprising under the tread strip a crown reinforcing structure comprised of at least one layer of reinforcing elements. At least the surface of the tread strip comprises a first polymer compound extending at least into the region of the equatorial plane and of at least one second polymer compound having physicochemical properties that differ from those of the first polymer compound, the crown reinforcing structure comprising at least one layer of circumferential reinforcing elements which are distributed in the transverse direction with a variable pitch and the pitch between the circumferential reinforcing elements being at a minimum in the region of the layer of circumferential reinforcing elements that radially face the ends of the first compound.
    Type: Application
    Filed: December 9, 2009
    Publication date: December 22, 2011
    Inventors: Francis Bordoz, Alain Valle, Pascal Prost
  • Publication number: 20110308690
    Abstract: The invention relates to a tire comprising a carcass type reinforcing structure and comprising under the tread strip a crown reinforcing structure consisting of at least two layers of reinforcing elements. According to the invention, the carcass type reinforcing structure comprises at least two half-layers extending at least from the shoulders to the beads and each having an end under the tread strip and at least the surface of the tread strip consisting of a first polymer compound extending at least between the ends of each of the half-layers and of at least a second polymer compound having physicochemical properties that differ from those of the said first polymer compound and covering at least part of each of the half-layers.
    Type: Application
    Filed: December 9, 2009
    Publication date: December 22, 2011
    Inventors: Francis Bordoz, Alain Valle, Pascal Prost
  • Publication number: 20110303340
    Abstract: A tire comprising a reinforcing structure of the carcass type and comprising under the tread strip a crown reinforcing structure consisting of at least two layers of reinforcing elements. The carcass-type reinforcing structure is produced in the form of two half-layers extending at least from the shoulders to the beads and each having an end under the tread strip, the crown reinforcing structure comprises at least one layer of circumferential reinforcing elements which are distributed in the transverse direction with a variable pitch and the pitch between the circumferential reinforcing elements is at a minimum in the region of the layer of circumferential reinforcing elements that radially face the ends of each of the half-layers of the carcass-type reinforcing structure.
    Type: Application
    Filed: December 9, 2009
    Publication date: December 15, 2011
    Applicants: Michelin Recherche et Technique S.A., Societe De Technologie Michelin
    Inventors: Francis Bordoz, Alain Valle, Pascal Prost
  • Publication number: 20110214791
    Abstract: A tire for a motorized two-wheeled vehicle, comprising a carcass-type reinforcing structure formed of at least two layers of reinforcing elements, and comprising underneath the tread a crown reinforcement structure comprising at least one layer of reinforcing elements. At least the tread surface comprises a first polymeric compound extending in at least the region of the equatorial plane and at least one second polymeric compound having physicochemical properties different from those of said first polymeric compound, the reinforcing elements of said two or more layers forming the carcass-type reinforcing structure forming angles with the circumferential direction of between 70° and 85° and the distance between the reinforcing elements of each of said two or more layers forming the carcass-type reinforcing structure being not more than 0.5 mm across at least 60% of the axial width of at least one region composed of the second polymeric compound.
    Type: Application
    Filed: March 7, 2011
    Publication date: September 8, 2011
    Applicants: SOCIETE DE TECHNOLOGIE MICHELIN, Michelin Recherche et Technique S.A.
    Inventors: Jean-Marc Ruffenach, Alain Valle, Luc Bestgen, Pascal Prost
  • Publication number: 20110214793
    Abstract: A motorized two-wheeled vehicle, comprising a radial carcass reinforcement formed of at least two layers of reinforcing elements, and comprising underneath the tread a crown reinforcement structure comprising of at least one layer of reinforcing elements. At least the tread surface comprises a first polymeric compound extending in at least the region of the equatorial plane and at least one second polymeric compound having physicochemical properties different from those of said first polymeric compound, the density of reinforcing elements in the radially inner carcass reinforcement layer being less than that in the radially outer carcass reinforcement layer.
    Type: Application
    Filed: March 7, 2011
    Publication date: September 8, 2011
    Applicants: SOCIETE DE TECHNOLOGIE MICHELIN, Michelin Recherche et Technique S.A.
    Inventors: Jean-Marc Ruffenach, Alain Valle, Luc Bestgen, Pascal Prost
  • Patent number: 7926532
    Abstract: A tire for a two-wheeled motorcycle includes a continuous carcass-type reinforcement structure, having reinforcement elements and anchored on each side to a bead. Each bead extends radially by a sidewall, which meets up radially with a tread. Under the tread is a crown reinforcement structure including at least one working layer, and which does not comprise any circumferentially oriented reinforcement elements. Over the profile of the tire in a radial plane, in its part outside of the two points of tangency of the curvilinear abscissa of the carcass-type reinforcement structure with perpendiculars to the axis of rotation at least one layer of working reinforcement elements is at least partially radially to the inside of the part of the carcass-type reinforcement structure radially to the outside of the two points of tangency.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: April 19, 2011
    Assignee: Michelin Recherche et Technique S.A.
    Inventors: Pascal Prost, Alain Valle