Patents by Inventor OLIVIER REIX
OLIVIER REIX 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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Publication number: 20250170861Abstract: Radial tire for heavy vehicles, having a load index greater than 1050 kg, with a crown reinforcement (3) having at least two layers of metal transverse reinforcers (321, 322), forming, with the circumferential direction, oriented angles of opposite signs at least equal to 10° and at most equal to 70°, having a breaking strength at least equal to 80 daN. The crown reinforcement having at least one radially outermost anti-puncture layer, constituted of chainmail of metal rings of a ferrous alloy. The chainmail being coated in at least one polymeric material, in that the mass of an anti-puncture layer is at most equal to 70% of the mass of the other crown layers.Type: ApplicationFiled: February 20, 2023Publication date: May 29, 2025Inventors: William LICENSE, Olivier REIX, Eva JOANNET, Lodoic DE KERRET
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Patent number: 12281438Abstract: The method makes it possible to manufacture an assembly (A) comprising a layer (C) of metal filamentary elements (14) wound in a helix. The method comprises a step (100) of supplying a temporary assembly (22) comprising a layer (13) of M?>1 metal filamentary elements (14) and a temporary centre (16), and a step (110) of separating the temporary assembly (22) between a first split assembly (25), a second split assembly (27) and the temporary centre (16). The method comprises a step (140) of reassembling the first split assembly (25) with the second split assembly (27) so as to form the layer (C) of the assembly (A).Type: GrantFiled: July 22, 2020Date of Patent: April 22, 2025Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Henri Barguet, Olivier Reix, Gael Pataut
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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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Publication number: 20250001813Abstract: A tire comprises a pair of flexible bead wires (51) of reduced mass. Each bead wire (51) has the form of a closed circumferential ring, bracing the bead of the tire (1) against the rim (100) and comprising a first part made of a first material M1 taking the form of textile cords (560), the first part interacting with a second part of the bead wire (51) made of a reinforcing second material M2; the tensile stiffness is comprised between 4.5×105 N/m and 1.8×106 N/m; the circumferential bending stiffness, Kf, is greater than or equal to Kr*(1000*D/(16*25.4))3, where D is the diameter of the wheel on which the tire is mounted, measured at the seat (110) of the rim (100) in meters, and where Kr is equal to 2.10?2 N.m2; and the elastic elongation of the bead wire (51) is greater than or equal to 2%.Type: ApplicationFiled: November 14, 2022Publication date: January 2, 2025Inventors: REMI REYNAL DE ST-MICHEL, MICHEL AHOUANTO, SYLVAIN MORIVAL, OLIVIER REIX, JEAN-MATHIEU CLERGEAT
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Patent number: 12138968Abstract: A bead core for a tire, which is substantially rotationally symmetrical about an axis, comprises a plurality of windings of at least one metallic wire with diameter d arranged next to one another in a direction P forming an angle ? with the axial direction in a radial sectional half-plane R, on N layers superposed on one another in the radial direction, wherein: ? ranges from 0° to 10°; in the sectional half-plane R, the windings form a structure consisting of a base structure and a cap structure, wherein the radially inner base structure in the shape of a parallelogram is directly in contact in the radial direction with the radially outer cap structure in the shape of a trapezium. The product of the diameter d times the number of windings L ranges from 13.0 mm to 25.0 mm, and N is less than or equal to 16.Type: GrantFiled: July 27, 2020Date of Patent: November 12, 2024Assignee: COMPAGNIE GENERALE DE ETABLISSEMENTS MICHELINInventors: Olivier Reix, Florian Lachal, Stephane Quenard
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Patent number: 12036830Abstract: A cord (50) comprises a single layer (52) made up of N helically wound metal filamentary elements (54) having an outer diameter D, the metal filamentary elements (54) defining an internal enclosure (58) of the cord of diameter Dv. Each metal filamentary element (54) has a diameter Df and a helix radius of curvature Rf. With this cord (50), D, Dv, Df and Rf being expressed in millimeters: 0.10?Jr?0.25, 9?Rf/Df?30, and 1.60?Dv/Df?3.20, where Jr=N/(?*(D?Df))×(Dh×Sin(?/N)?(Df/Cos(?×?/180))) and ? is the helix angle, expressed in degrees, of each metal filamentary element (54).Type: GrantFiled: July 22, 2020Date of Patent: July 16, 2024Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Henri Barguet, Olivier Reix, Gael Pataut
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Patent number: 12006626Abstract: The method enables the production of a final assembly (A) comprising two layers and comprises a step (100) of providing a temporary assembly (AT) comprising a temporary core (NT), a step (124) of separating the temporary assembly (AT) into a first divided assembly (AFI), a second divided assembly (AF2), a third divided assembly (AF3) and the temporary core (NT). The method comprises a step (135) of reassembling the first divided assembly (AFI), the second divided assembly (AF2) and the third divided assembly (AF3) to form the final assembly (A).Type: GrantFiled: July 22, 2020Date of Patent: June 11, 2024Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Olivier Reix, Gael Pataut
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Publication number: 20240100885Abstract: A radial tire (1) for a heavy-duty vehicle, with at least two working layers (321, 322, 323, 324) in which the reinforcing elements form an angle at least equal to 10° and at most equal to 45° with the circumferential direction. The metal reinforcers of all of the crown layers of the crown reinforcement are extensible and therefore have, in their rubberized state extracted from a polymer matrix, a structural elongation As at least equal to 0.5%, a total elongation at break At at least equal to 3% and a tensile Young's modulus E at most equal to 150 GPa. The narrower of the two working layers has an axial width at least equal to 60% of the width of the tread and the wider of the two working layers has an axial width at least equal to 70% of the width of the tread.Type: ApplicationFiled: December 9, 2021Publication date: March 28, 2024Inventors: Jean-Luc GUERBERT-JUBERT, François BARBARIN, Olivier REIX, Philippe MANSUY, Lucas LAUBY, Sébastien NOEL
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Publication number: 20240100884Abstract: A radial tire (1) for a heavy-duty vehicle, in which the reinforcing elements of each hooping layer (331, 332, 333), forming an angle at most equal to 5° with the circumferential direction, and the reinforcing elements of the transverse reinforcer layers (321, 322, 323), forming an angle of between 10° and 45° with the circumferential direction, are extensible and therefore such that, in their rubberized state extracted from a polymer matrix, their structural elongation As is at least equal to 0.5%, their total elongation at break At is at least equal to 3% and their tensile Young's modulus E is at most equal to 150 GPa.Type: ApplicationFiled: December 9, 2021Publication date: March 28, 2024Inventors: François BARBARIN, Jean-Luc GUERBERT-JUBERT, Philippe MANSUY, Olivier REIX, Sébastien NOEL, Lucas LAUBY
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Publication number: 20230349097Abstract: 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 ?t>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: ApplicationFiled: December 18, 2020Publication date: November 2, 2023Inventors: GAEL PATAUT, HENRI BARGUET, LUCAS LAUBY, OLIVIER REIX
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Publication number: 20220402302Abstract: The method enables the production of a final assembly (A) comprising two layers and comprises a step (100) of providing a temporary assembly (AT) comprising a temporary core (NT), a step (124) of separating the temporary assembly (AT) into a first divided assembly (AFI), a second divided assembly (AF2), a third divided assembly (AF3) and the temporary core (NT). The method comprises a step (135) of reassembling the first divided assembly (AFI), the second divided assembly (AF2) and the third divided assembly (AF3) to form the final assembly (A).Type: ApplicationFiled: July 22, 2020Publication date: December 22, 2022Inventors: OLIVIER REIX, GAEL PATAUT
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Publication number: 20220324269Abstract: A bead core for a tire, which is substantially rotationally symmetrical about an axis, comprises a plurality of windings of at least one metallic wire with diameter d arranged next to one another in a direction P forming an angle ? with the axial direction in a radial sectional half-plane R, on N layers superposed on one another in the radial direction, wherein: ? ranges from 0° to 10°; in the sectional half-plane R, the windings form a structure consisting of a base structure and a cap structure, wherein the radially inner base structure in the shape of a parallelogram is directly in contact in the radial direction with the radially outer cap structure in the shape of a trapezium. The product of the diameter d times the number of windings L ranges from 13.0 mm to 25.0 mm, and N is less than or equal to 16.Type: ApplicationFiled: July 27, 2020Publication date: October 13, 2022Inventors: OLIVIER REIX, FLORIAN LACHAL, STEPHANE QUENARD
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Publication number: 20220258535Abstract: A cord (50) comprises a single layer (52) made up of N helically wound metal filamentary elements (54) having an outer diameter D, the metal filamentary elements (54) defining an internal enclosure (58) of the cord of diameter Dv. Each metal filamentary element (54) has a diameter Df and a helix radius of curvature Rf. With this cord (50), D, Dv, Df and Rf being expressed in millimeters: 0.10?Jr?0.25, 9?Rf/Df?30, and 1.60?Dv/Df?3.20, where Jr=N/(?*(D?Df))×(Dh×Sin(?/N)?(Df/Cos(?x ?/180))) and ? is the helix angle, expressed in degrees, of each metal filamentary element (54).Type: ApplicationFiled: July 22, 2020Publication date: August 18, 2022Inventors: HENRI BARGUET, OLIVIER REIX, GAEL PATAUT
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Publication number: 20220251780Abstract: The method makes it possible to manufacture an assembly (A) comprising a layer (C) of metal filamentary elements (14) wound in a helix. The method comprises a step (100) of supplying a temporary assembly (22) comprising a layer (13) of M?>1 metal filamentary elements (14) and a temporary centre (16), and a step (110) of separating the temporary assembly (22) between a first split assembly (25), a second split assembly (27) and the temporary centre (16). The method comprises a step (140) of reassembling the first split assembly (25) with the second split assembly (27) so as to form the layer (C) of the assembly (A).Type: ApplicationFiled: July 22, 2020Publication date: August 11, 2022Inventors: HENRI BARGUET, OLIVIER REIX, GAEL PATAUT
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Publication number: 20220134805Abstract: A tire (1) for an agricultural vehicle, having a crown reinforcement (3), with at least two crown layers (31, 32), each having metal reinforcers which are coated in an elastomer material. Any metal reinforcer of a crown layer (31, 32) has a law, known as a bi-modulus law, governing its elastic behaviour under tension, comprising a first portion having a first extension modulus MG1 at most equal to 30 GPa, and a second portion having a second extension modulus MG2 at least equal to 2 times the first extension modulus MG1, and any metal reinforcer of a crown layer (31, 32) has a law governing its behaviour under compression that is characterized by a critical buckling strain EU at least equal to 3%.Type: ApplicationFiled: December 11, 2019Publication date: May 5, 2022Inventors: Frederic PERRIN, Florian LACHAL, Gaël PATAUT, Richard CORNILLE, Olivier REIX
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Publication number: 20220048326Abstract: A tire design for a heavy-duty vehicle of construction plant type has a crown reinforcement (40) radially on the inside of a tread (10) and radially on the outside of a carcass reinforcement (70). The carcass reinforcement (70) has at least two carcass layers (50, 60) having metal reinforcers coated in an elastomer compound. The carcass layers (50, 60) have respective stiffnesses per unit width R1, R2. Metal reinforcers of a first carcass layer (50) form, with the circumferential direction (XX?), an angle A1, and those of the second carcass layer form an angle A2, such that the angles A1 and A2, and the stiffnesses R1 and R2, simultaneously satisfy the following three relationships: R1*sin 2(2*A1)+R2*sin 2(2*A2)?(R1+R2)*) sin 2(30°), and ?A1|-|A2?<10°, and 0.7?R1/R2?1.3. The metal reinforcers have a critical compression buckling deformation DF at least equal to 2.5% and a compression elastic modulus MC at least equal to 10 GPa.Type: ApplicationFiled: December 12, 2019Publication date: February 17, 2022Inventors: Francois BARBARIN, Olivier REIX, Gaël PATAUT
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Patent number: 11148478Abstract: An adapter for a rolling assembly having an axis of rotation (YY?), the rolling assembly comprising a tyre having two beads, and a rim having two rim bead seats, for each bead, provides the connection between the bead and the rim, the said adapter comprising an axially inner end connected to the rim, an axially outer end comprising an outer reinforcing element and intended to come into contact, via a substantially radial axially inner face, or bearing face, with a bead, a body connecting the axially outer end to the axially inner end so as to form a single piece, comprising at least one main reinforcement providing the connection between the outer reinforcing element and the inner reinforcing element, and comprising a substantially axial adapter seat intended to come into contact with a bead.Type: GrantFiled: April 25, 2017Date of Patent: October 19, 2021Assignee: COMPAGNIE GENERALE DES ETABLISSMENTS MICHELINInventors: Henri Barguet, Olivier Reix, Arthur Topin
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Publication number: 20190143762Abstract: An adapter for a rolling assembly having an axis of rotation (YY?), the rolling assembly comprising a tyre having two beads, and a rim having two rim bead seats, for each bead, provides the connection between the bead and the rim, the said adapter comprising an axially inner end connected to the rim, an axially outer end comprising an outer reinforcing element and intended to come into contact, via a substantially radial axially inner face, or bearing face, with a bead, a body connecting the axially outer end to the axially inner end so as to form a single piece, comprising at least one main reinforcement providing the connection between the outer reinforcing element and the inner reinforcing element, and comprising a substantially axial adapter seat intended to come into contact with a bead.Type: ApplicationFiled: April 25, 2017Publication date: May 16, 2019Inventors: HENRI BARGUET, OLIVIER REIX, ARTHUR TOPIN