Patents Assigned to Compagnie Generale des Etablissements Michelin
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Patent number: 12258707Abstract: A multi-strand cord (50) having a 1×N structure comprises a single layer (52) of N strands (54) wound in a helix about a main axis (A), each strand (54) having one layer (56) of metal filaments (F1) and comprising M>1 metal filaments wound in a helix about an axis (B). The cord (50) has a total elongation At>8.10% and the energy-at-break indicator Er of the cord (50), defined by Er=?0At?(Ai)×dAi where ?(Ai) is the tensile stress in MPa measured at the elongation Ai and dAi is the elongation such that Er is strictly greater than 52 MJ/m3.Type: GrantFiled: December 18, 2020Date of Patent: March 25, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Gael Pataut, Henri Barguet, Lucas Lauby, Olivier Reix
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Patent number: 12257862Abstract: A tire for two-wheeled motorized vehicle having tread connected by sidewalls to beads, each having circumferential reinforcing bead wire, each contacting a rim on which the tire is mounted, the tire has an indicator system of a plurality of cavities formed on tread surface, each cavity having maximum depth less than 1 mm and average width of less than 3 mm, and arranged in a plurality of circumferential sets of cavities) representing different camber angles of the tire, each circumferential set having plurality of cavities arranged in circular arc, wherein two adjacent cavities are spaced along circular arc by circumferential pitch (Pc) between 1 mm and 10 mm, the circumferential sets arranged in specific radial pattern defined by a radial pitch (Pr) corresponding to spacing in radial direction between circular arcs of two adjacent circumferential sets of cavities, the radial pitch (Pr) being between 1 mm and 10 mm.Type: GrantFiled: December 13, 2019Date of Patent: March 25, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventor: Jonathan Lejeune
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Patent number: 12252559Abstract: A resin composition is based on a resin chosen from the group consisting of unsaturated polyester resins and vinyl ester resins, a crosslinking initiator and a crosslinking agent of general formula R1—X—R2, in which X is an optionally substituted alkylene group and R1 and R2 are, independently of one another, an acrylate, methacrylate or vinyl group, an alkenyl group bearing an unsaturated carbon at the chain end, or an alkynyl group bearing an unsaturated carbon at the chain end.Type: GrantFiled: December 17, 2019Date of Patent: March 18, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Gael Pataut, David Doisneau, Laura Luiz, Julien Letessier
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Patent number: 12251969Abstract: A tread for a heavy goods vehicle tire, the tread having a surface when new suitable for coming into contact with a road surface, this tread having a plurality of optimized incisions opening onto its tread surface when new, each incision made of at least two narrow portions and wide portions, each narrow portion surrounded by wide portions, the sum of the areas of narrow portions representing at least 40% of the total surface of the incision (and the width being less than 0.4 mm, each portion having a width at least equal to 0.4 mm, this tread being such that for each optimized incision each of the wide portions extending between two narrow portions includes at least one section inclined in a plane parallel to the mid-plane of the optimized incision, and forming an angle at least 15 degrees with the direction of the tread thickness.Type: GrantFiled: December 16, 2019Date of Patent: March 18, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Frédéric Domprobst, Etienne Collet, Arnaud Larregain
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Patent number: 12246565Abstract: The invention relates to a tyre (10) comprising a hooping ply (19) comprising at least one textile wire-like hoop reinforcer element making an angle strictly less than 10° with the circumferential direction (Z) of the tyre (10). The bonded textile wire-like reinforcer element has, before the step of production of the hooping ply (19), a tangent modulus less than or equal to 5 cN/tex/% for any elongation less than or equal to 3%. The textile wire-like hoop reinforcer element has, once extracted from the tyre (10), a tangent modulus greater than or equal to 5 cN/tex/% for any elongation greater than or equal to 4%.Type: GrantFiled: December 13, 2018Date of Patent: March 11, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Sabrina Rih, Richard Cornille, Herve Ferigo
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Patent number: 12240185Abstract: A method for splicing two bundles (1, 2) of multifilament textile fibers comprises: inserting an end portion of a first bundle (1) into a first end of a heat-shrinkable sheath (10) and an end portion of a second bundle (2) into a second end of the sheath, axially opposite the first end, until the ends of the end portions of the two bundles are facing each other; inserting a curable organic material inside the sheath (10) in a space separating the end portions of the bundles (1, 2); heating a portion of the heat-shrinkable sheath (10) surrounding a joining portion (9) to a predetermined temperature; curing the curable organic material; and removing the sheath (10).Type: GrantFiled: July 16, 2021Date of Patent: March 4, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: David Olsommer, Philippe Berguerand, Antonio Delfino
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Patent number: 12240272Abstract: A tire comprises an outer strip (2) having a tread (21). The outer strip (2) has a central part and two axially outer parts and comprises at least two rubber compounds (M1, M2) making up at least 90% of the volume of the outer strip (2). The first compound (M1) is radially outside of the second compound (M2), which makes up at least 60% of the axially outer parts and being disposed in a layer that is substantially continuous from one axially outer part to the other, said layer having a minimum thickness at least equal to 0.3 mm. The compound M1 has a modulus G* that is greater than 1.35 times and less than 3 times that of the compound M2. The compound M1 has a dynamic loss at 0° C. greater than 0.5 and the compound M2 has a dynamic loss at 23° C. less than 0.3.Type: GrantFiled: October 15, 2020Date of Patent: March 4, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Miguel Fernandez, Regis Schach, Philippe Labrunie, Karine Longchambon, Alexandre Tobie
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Patent number: 12240271Abstract: A tire comprises an outer strip (2) having a tread (21). The outer strip (2) has a central part and two axially outer parts and comprises at least two rubber compounds (M1, M2) making up at least 90% of the volume of the outer strip (2). The first compound (M1) is radially on the outside of the second compound (M2), which makes up at least 60% of the axially outer parts and being disposed in a layer that is substantially continuous from one axially outer part to the other, said layer having a minimum thickness at least equal to 0.3 mm. The compound M1 has a modulus G* that is greater than 1.35 times and less than 3 times that of the compound M2. The compound M1 has a dynamic loss at 0° C. greater than 0.5 and the compound M2 has a dynamic loss at 23° C. less than 0.3.Type: GrantFiled: October 15, 2020Date of Patent: March 4, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Miguel Fernandez, Karine Longchambon, Regis Schach, Philippe Labrunie, Alexandre Tobie
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Patent number: 12240720Abstract: A separation device (1) intended to separate a profiled element (2) from a conveying surface (3) which conveys the profiled element (2) in a longitudinal direction (L0) comprises a detachment roller (10) which is mounted so as to be able to rotate on a support (11) about a detachment axis (X10), and which is intended to be interposed, in an engagement configuration (C1), between the profiled element (2) and the conveying surface (3) to cause the profiled element (2) to become detached from the conveying surface (3).Type: GrantFiled: December 16, 2020Date of Patent: March 4, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Thomas Mosnier, Christophe Ougier, Miguel Torres-Castellano
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Patent number: 12240193Abstract: A method for manufacturing a tire (1) equipped with a communication module (20) consists in successively, and in the order required by the architecture of said tire, laying rubber products, notably profiled elements (50) and reinforcing elements on a given support in order to yield a green tire (1), then in vulcanizing the green tire to yield a tire (1), wherein, prior to laying one of the rubber profiled elements (50) on the green tire, a slot (52) is created starting from a surface of the rubber profiled element (50) and the communication module (20) is introduced into the slot (52).Type: GrantFiled: May 8, 2023Date of Patent: March 4, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Luc Bestgen, Henri Hinc, Severine Glibert
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Patent number: 12240433Abstract: A method for estimating a water height on a roadway where a tire of a vehicle is running, the mounted assembly being placed in a wheel arch of the vehicle, comprises the following steps: fixing a sensor onto the vehicle; obtaining a frequency signal from the sensor corresponding to the running of the vehicle at speed V on the roadway covered with a water height heau; isolating a part of the frequency signal, bounded by two strictly increasing frequencies, which is sensitive to the height heau; determining an energy vector linked to the part of the frequency signal; and obtaining the water height on the roadway using a function taking account of the energy vector and the speed V of the vehicle. The sensor is a microphone, and the part of the frequency signal extends at least partly beyond 4 kHz.Type: GrantFiled: July 20, 2020Date of Patent: March 4, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Remi Cote, Florian Bremond
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Patent number: 12233671Abstract: The tire comprises a crown, two sidewalls and two beads, each sidewall connecting each bead to the crown, a carcass reinforcement that is anchored in each bead and extends in each sidewall and radially on the inside of the crown, each bead comprising at least one continuous filamentary reinforcing element (40) comprising N?2 circumferential turns which are radially superposed on one another. The continuous filamentary reinforcing element (40) comprises a radially outer free end (E1) and a radially inner free end (E2). At least one of the radially outer free end (E1) and the radially inner free end (E2) is threaded between two portions (50, 52) arranged radially on the outside and on the inside of the free end (E1, E2) in question.Type: GrantFiled: October 9, 2020Date of Patent: February 25, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Patrice Fraysse, Francois Chambriard
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Patent number: 12233668Abstract: A heavy truck tire tread is provided that has a rolling direction that is in a longitudinal direction of the tread. A circumferential sipe (20) is present and extends in the longitudinal direction completely around the tread. The circumferential sipe does not bound a sacrificial rib. A plurality of micro sipes (22) engage the circumferential sipe and are located on opposite sides of the circumferential sipe in the lateral direction. The micro sipes extend from the circumferential sipe so as to terminate within rubber of the tread at a terminal end.Type: GrantFiled: April 5, 2019Date of Patent: February 25, 2025Assignee: Compagnie Generale des Etablissements MichelinInventors: Stefan Voss, Robert Ciprian Radulescu
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Patent number: 12233615Abstract: An apparatus for installing a sensor into a tire is provided that has a housing with a housing base that defines a housing base opening with an axis. A first finger extends from the housing base so as to extend both away from the housing base in the axial direction and towards the axis upon initial extension from the housing base and is located towards the axis without external force applied to the first finger. The housing also has a second finger that extends from the housing base. Also included is a push rod with a push rod base and a rod that extends from the push rod base. The rod has an operative end configured for engagement with the sensor. The rod is configured for moving through the housing base opening such that the operative end is configured for moving through the housing base opening.Type: GrantFiled: October 6, 2020Date of Patent: February 25, 2025Assignee: Compagnie Generale des Etablissements MichelinInventors: Raymond Cotton, Philippe Barreaud
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Patent number: 12227040Abstract: A tire with improved handling having a stiffening structure with a stiffening element extending continuously in the toroidal interior cavity from a crown interface connected to a radially inner face of the crown to a bead interface connected to an axially inner face of the bead. The stiffening structure is distributed circumferentially over the circumference of the tire, the axially outermost stiffening element interface is positioned, with respect to the equatorial plane (XZ), at an axial distance A at most equal to 0.45 times the axial width S, and the radially outermost stiffening element bead interface is positioned, with respect to a radially innermost point (I) of the axially inner face of the bead at a radial distance B at most equal to 0.5 times the radial height H.Type: GrantFiled: December 7, 2018Date of Patent: February 18, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Mathieu Girard, Bertrand Daval
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Patent number: D1063802Type: GrantFiled: March 29, 2023Date of Patent: February 25, 2025Assignee: Compagnie Generale Des Etablissements MichelinInventors: Masayoshi Nomura, Eliska Stepankova
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Patent number: D1065022Type: GrantFiled: April 4, 2023Date of Patent: March 4, 2025Assignee: Compagnie Generale Des Etablissements MichelinInventor: Adrien Traverse
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Patent number: D1065038Type: GrantFiled: May 31, 2023Date of Patent: March 4, 2025Assignee: Compagnie Generale des Etablissements MichelinInventors: Ramzy Boussetta, Devarelle Estep, Jerome Lawson, Derick Lonell Harris
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Patent number: D1067858Type: GrantFiled: March 27, 2023Date of Patent: March 25, 2025Assignee: Compagnie Generale Des Etablissements MichelinInventor: Arnaud Larregain
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Patent number: D1067859Type: GrantFiled: March 28, 2023Date of Patent: March 25, 2025Assignee: Compagnie Generale Des Etablissements MichelinInventor: Arnaud Larregain