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Compagnie Generale Des Etablissements Michelin patents


Recent patent applications related to Compagnie Generale Des Etablissements Michelin. Compagnie Generale Des Etablissements Michelin is listed as an Agent/Assignee. Note: Compagnie Generale Des Etablissements Michelin may have other listings under different names/spellings. We're not affiliated with Compagnie Generale Des Etablissements Michelin, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Compagnie Generale Des Etablissements Michelin-related inventors


Pneumatic tire comprising low-carbon carcass reinforcing cords and having reduced thicknesses of rubber mixtures

The tire has a radial carcass reinforcement which includes at least one layer of metal reinforcing elements and a crown reinforcement, which is capped radially with a tread. The metal reinforcing elements of at least one layer of the carcass reinforcement are cords with several steel threads that have a weight content of carbon c such that 0.01%≤c<0.4%. ... Compagnie Generale Des Etablissements Michelin

Tire spoke with crack suppression feature

A tire that has a hub and a spoke is provided. The spoke extends from the hub in a radial direction of the tire. ... Compagnie Generale Des Etablissements Michelin

Pneumatic tire comprising low-carbon carcass reinforcing cords and having reduced thicknesses of rubber mixtures

The tire has a radial carcass reinforcement which includes at least one layer of metal reinforcing elements. The tire also has a crown reinforcement, itself capped radially with a tread. ... Compagnie Generale Des Etablissements Michelin

Device for the dry-cleaning of an additive manufacturing plate

A device is provided for dry cleaning a plate used in an additive manufacturing process that involves powder. The device includes a confinement enclosure, a loader, and a dry-cleaning station. ... Compagnie Generale Des Etablissements Michelin

Rubber composition including a hydrocarbon resin with a low glass transition temperature

. . A rubber composition is based on at least one diene elastomer with a glass transition temperature (tg) of less than −40° c., one reinforcing filler at a content from 60 to 110 parts by weight per hundred parts by weight of elastomer (phr), one vulcanization system and one combination of plasticizers, the said combination of plasticizers comprising more than 10 phr of at least one hydrocarbon resin with a glass transition temperature (tg) of between −40° c. And 20° c. ... Compagnie Generale Des Etablissements Michelin

Rubber composition including a hydrocarbon resin with a low glass transition temperature

A rubber composition is based on at least one diene elastomer with a glass transition temperature (tg) of less than −40° c., one reinforcing filler at a content from 50 to 70 parts by weight per hundred parts by weight of elastomer (phr), one vulcanization system and one combination of plasticizers, the said combination of plasticizers comprising more than 10 phr of at least one hydrocarbon resin with a glass transition temperature (tg) of between −40° c. And 20° c. ... Compagnie Generale Des Etablissements Michelin

Aircraft tire

Tires intended to equip aircraft exhibit an improved wear resistance. The tread of these tires comprises a composition based on at least one reinforcing filler, a crosslinking system and an elastomeric matrix comprising from 15 to 75 phr (per hundred parts of elastomer) of isoprene elastomer, and, from 25 to 85 phr of a tin-functionalized butadiene and styrene copolymer, the total content of isoprene elastomer and of tin-functionalized butadiene and styrene copolymer being within a range extending from 45 to 100 phr.. ... Compagnie Generale Des Etablissements Michelin

System for asssessing the condition of a tire

A system is provided for assessing a condition of a tire. The system includes first and second individual modules, a data transmission gateway, and a collaboration device. ... Compagnie Generale Des Etablissements Michelin

Unit for cleaning additive manufacturing plates

An installation is provided for cleaning a plate used in an additive manufacturing process performed using a powder. The installation includes an entry lock, an exit lock, a dry cleaner, a wet cleaner, and a conveyor system. ... Compagnie Generale Des Etablissements Michelin

Tantalum-based catalyst deposited on silica for the transformation of ethanol into butadiene

The invention concerns a catalyst comprising at least the element tantalum, and at least one mesoporous oxide matrix that has undergone an acid wash comprising at least 90% by weight of silica before washing, the mass of the element tantalum being in the range 0.1% to 30% of the mass of said mesoporous oxide matrix.. . ... Compagnie Generale Des Etablissements Michelin

Heavy vehicle tire tread with improvement to running noise

The tread has main grooves that delimit a central region of a width comprised between 15 and 25% of a total width w and that define the wearable thickness of the tread. The tread also has lateral regions on each side of the central region, and the lateral regions are divided into raised elements. ... Compagnie Generale Des Etablissements Michelin

Pneumatic tire comprising reinforcing elements in the form of multi-layer tapes

Tire (1) comprising a carcass ply (2) that connects two beads (5) by way of two sidewalls (3), said carcass ply (2) being surmounted radially on the outside by a crown reinforcing zone (10) comprising a plurality of reinforcing strips (12, 14) disposed in at least two layers and coated in an elastomeric composition (13, 15), the mean overlap between the strips of the two layers being greater than 40%, the reinforcing strips (12, 14) being made of a thermoplastic film having a modulus greater than 0.9 gpa and preferably greater than 2 gpa in the main direction and in the transverse direction.. . ... Compagnie Generale Des Etablissements Michelin

Pneumatic object provided with a gas-impermeable layer based on a thermoplastic elastomer and a platy filler

Inflatable article equipped with a layer impermeable to the inflation gases, of improved hysteresis and impermeability. The layer comprises an elastomer composition comprising at least, as the sole elastomer or as the predominant elastomer by weight, a thermoplastic styrene elastomer (“tps”) and a platy filler having a volume content greater than 5%. ... Compagnie Generale Des Etablissements Michelin

Stabilized production of 1,3-butadiene in the presence of a tantalum oxide doped by an aldolizing element

The invention relates to a catalyst that comprises at least the tantalum element, at least an aldolizing element and at least a mesoporous oxide matrix, with the tantalum mass being between 0.1 and 30% of the mesoporous oxide matrix mass, the mass of the at least one aldolizing element being between 0.02 and 4% of the mesoporous oxide matrix mass, and use thereof.. . ... Compagnie Generale Des Etablissements Michelin

07/19/18 / #20180201067

Tire comprising low-sulphur elastomer mixtures

The reinforcing structure for a tire is in the form of a stratified assembly formed of two layers of reinforcing strips of completely connected cross section, and flattened in shape. According to the method, the strips of each layer are laid side by side in a main direction of laying. ... Compagnie Generale Des Etablissements Michelin

07/19/18 / #20180200696

Catalyst ta-nb for the production of 1,3-butadiene

The invention relates to a catalyst that comprises a mesoporous oxide matrix, with said matrix comprising at least one oxide of an element x that is selected from among silicon and titanium, taken by itself or in a mixture, with said catalyst comprising at least the tantalum element and the niobium element, with the tantalum mass representing between 0.1 to 30% by weight of the mass of the mesoporous oxide matrix, the niobium mass representing between 0.02 to 6% by weight of the mass of the mesoporous oxide matrix, the content by mass of the tantalum element being greater than or equal to the content by mass of the niobium element. The invention also relates to the use of this catalyst in a method for the production of 1,3-butadiene from a feedstock that comprises at least ethanol.. ... Compagnie Generale Des Etablissements Michelin

07/19/18 / #20180200694

Mesoporous mixed oxide catalyst comprising silicon

A mesoporous mixed oxide catalyst that comprises silicon and at least one metal m that is selected from the group that consists of the elements of groups 4 and 5 of the periodic table and mixtures thereof, with the mass of metal m being between 0.1 and 20% of the mixed oxide mass.. . ... Compagnie Generale Des Etablissements Michelin

07/12/18 / #20180197285

Optimised method for analysing the conformity of the surface of a tire

. . . . . . A method for inspecting a tire's surface includes: capturing a reference image of a reference tire's surface relief elements and transmitting data of the reference image to a processor; parameterizing main characteristics of the reference image via interaction of an operator with the processor; producing a reference map of the surface relief elements by dividing the reference image into a plurality of reference zones of interest; assigning a specific registration and checking algorithm to each of the reference zones of interest; capturing an inspection image of a tire under inspection; and, after completion of pre-processing of the inspection image, automatically: superimposing the reference map on the inspection image, and, for each of a plurality of zones of interest of the inspection image, running the specific registration and checking algorithm for a corresponding one of the reference zones of interest, to determine a conformity of the tire under inspection.. . ... Compagnie Generale Des Etablissements Michelin

07/12/18 / #20180194934

Rubber composition including a hydrocarbon resin having a low glass transition temperature, a specific coupling agent and a primary amine

A rubber composition is based on at least a diene elastomer; 50 to 160 phr (parts by weight per hundred parts by weight of elastomer) of inorganic reinforcing filler; a vulcanization system; a plasticizing system comprising at least one hydrocarbon resin with a glass transition temperature (tg) of between −40° c. And 20° c.; as coupling agent, a hydroxysilane polysulfide corresponding to the general formula (i): (ho)ar(3-a)si—r′—sx—r′—si r(3-b) (oh)b (i), in which the r radicals, which are identical or different, are hydrocarbon groups preferably comprising from 1 to 15 carbon atoms, the r′ radicals, which are identical or different, are divalent connecting groups preferably comprising from 1 to 18 carbon atoms, a and b, which are identical or different, are equal to 1 or 2, x is a number greater than or equal to 2; and a primary amine of formula (iv): r—nh2(iv), in which r represents a linear or branched hydrocarbon group comprising from 8 to 24 carbon atoms. ... Compagnie Generale Des Etablissements Michelin

07/12/18 / #20180194787

1,3-dipolar compound bearing a phosphorus-containing group and a dipole containing a nitrogen atom

A 1,3-dipolar compound bearing at least a phosphorus-containing group and a dipole containing a nitrogen atom is provided. A method for grafting the 1,3-dipolar compound on an unsaturated polymer, a diene polymer comprising, along the polymer chain, at least one pendant phosphorus-containing group, and a rubber composition based on a diene elastomer and the 1,3-dipolar compound optionally pre-grafted on the diene elastomer are also provided. ... Compagnie Generale Des Etablissements Michelin

07/12/18 / #20180194174

Tire tread for reducing noise

Present disclosure provides a tread for a tire having a plurality of contact element having a height h, and at least one connecting member connecting a transverse face of the contact element to the transverse face of the circumferentially adjacent contact element extending continuously through two transverse faces of the same contact element, a distance h between one of the connecting member in a groove and a radial position of the contact face being at most equal to 50% of the height h, and a material of the connecting member being different from a material of the contact element, a young modulus of the material of the connecting member being higher than that of the contact element, a distance h′ between one of the connecting member in the contact element and the contact face in tire radial direction is greater than the distance h of the same connecting member.. . ... Compagnie Generale Des Etablissements Michelin

07/12/18 / #20180194170

Tire comprising elastomeric mixtures with a low level of sulfur

The tire has a radial carcass reinforcement and a crown reinforcement containing at least two working crown layers of reinforcing elements. The working crown layers are covered radially with a tread that is joined to two beads via two sidewalls. ... Compagnie Generale Des Etablissements Michelin

07/12/18 / #20180194169

Tire-type device for a vehicle

Bearing structure (6) has identical bearing elements (61) in tension outside contact patch (a) with the ground and in compression in the contact patch (a). Bearing elements (61) are filamentary and are connected to radially inner face (23) of radially outer structure of revolution (2) by radially outer fabric (71) and to radially outer face (33) of radially inner structure of revolution (3) by radially inner fabric (72), respectively. ... Compagnie Generale Des Etablissements Michelin

07/12/18 / #20180194168

Tire comprising elastomeric mixtures with a low level of sulfur

The tire has a carcass reinforcement which has at least one layer and a crown reinforcement that is capped radially by a tread. The tire also includes a layer p of polymer compounds in contact with at least one working crown layer and in contact with the carcass reinforcement. ... Compagnie Generale Des Etablissements Michelin

07/12/18 / #20180193887

Method for the dry-cleaning of additive manufacturing plates

A method is provided for dry cleaning a plate used in an additive manufacturing process involving a powder. According to the method, unconsolidated powder is separated from a plate and collected by imposing vibrations on the plate and causing the plate to experience shocks.. ... Compagnie Generale Des Etablissements Michelin

07/05/18 / #20180186979

Rubber composition comprising a very high specific surface area silica and a low glass transition temperature hydrocarbon resin

A rubber composition is based on at least one diene elastomer, a reinforcing filler, a vulcanizing system and a plasticizing system, said reinforcing filler predominantly comprising, by weight, a silica with a very high specific surface area, with a ctab specific surface area greater than 170 m2/g, and said plasticizing system comprising at least more than 15 phr (parts by weight per hundred parts by weight of elastomer) of a hydrocarbon resin having a glass transition temperature (tg) between −40° c. And 20° c.. ... Compagnie Generale Des Etablissements Michelin

07/05/18 / #20180186978

Rubber composition comprising a styrene-butadiene copolymer having a low glass transition temperature, and a high content of filler and of plasticizer

A rubber composition is based on at least 80 phr (parts by weight per hundred parts by weight of elastomer) of a styrene/butadiene elastomer (sbr) referred to as low-tg sbr, the glass transition temperature (tg) of which is less than −60° c.; at least 130 phr of reinforcing filler; at least 110 phr in total of a plasticizing system comprising a hydrocarbon-based resin at a content within a range extending from 70 to 100 phr and a plasticizing oil at a content within a range extending from 10 to 40 phr; and a vulcanization system.. . ... Compagnie Generale Des Etablissements Michelin

07/05/18 / #20180186191

Top reinforcement of airplane tire

Working reinforcement (2) of an aircraft tire, made by the zigzag winding of a strip (5) having width w, with a periodic curve (7), corresponding to the mid-line of the strip, forming, with the circumferential direction (xx′), a non-zero angle a. The circumferential distance (c) between the extrema (s51, s52, s53) of the respective mid-lines of two consecutive strip portions (51, 52, 53) is equal to the ratio w/sin a. ... Compagnie Generale Des Etablissements Michelin

07/05/18 / #20180186189

Pneumatic tire having a crown that comprises a reinforcement ply and a high-traction tread

A tire includes two beads, two sidewalls connected to the beads, and a crown. The crown includes a belt reinforcement, a tread, and a stiffening ply. ... Compagnie Generale Des Etablissements Michelin

07/05/18 / #20180186184

Tire provided with a tread comprising a diene elastomer, a thermoplastic elastomer and a thermoplastic resin having polyphenylene ether patterns

A tire comprises a tread, a crown with a crown reinforcement, two sidewalls, two beads, a carcass reinforcement anchored to the two beads and extending from one sidewall to the other, characterized in that the tread comprises a composition based on at least a diene elastomer, at a content of between 35 and 99 phr (parts by weight per hundred parts of elastomer), a thermoplastic elastomer, at a content of between 1 and 65 phr, and a thermoplastic resin comprising optionally substituted polyphenylene ether units, said thermoplastic elastomer being a block copolymer comprising at least one elastomer block of optionally hydrogenated butadiene/styrene random copolymer type and at least one thermoplastic block of styrene type.. . ... Compagnie Generale Des Etablissements Michelin

06/28/18 / #20180178584

Tire provided with a tread comprising a diene elastomer and thermoplastic elastomer system

The present invention relates to a tyre comprising a tread, a crown with a crown reinforcement, two sidewalls, two beads, a carcass reinforcement anchored to the two beads and extending from one sidewall to the other, characterized in that the tread comprises a composition based on at least a diene elastomer, at a content of between 35 and 99 phr (parts by weight per hundred parts of elastomer), a thermoplastic elastomer system, at a total content of between 1 and 65 phr, said thermoplastic elastomer system comprising at least two block copolymers, referred to as polystyrene and poly(butadiene/styrene) block copolymers, each comprising at least one elastomer block of optionally hydrogenated butadiene/styrene random copolymer type, and at least one thermoplastic block of styrene type, one of the two polystyrene and poly(butadiene/styrene) block copolymers being hydrogenated such that a proportion ranging from 95 to 100 mol % of the double bonds in the butadiene portion is hydrogenated, the latter being referred to as an essentially hydrogenated polystyrene and poly(butadiene/styrene) block copolymer.. . ... Compagnie Generale Des Etablissements Michelin

06/21/18 / #20180174015

Radiofrequency transponder for a tire

. . . . A radiofrequency transponder includes a radiating antenna and an electronic device. The radiating antenna is a single-strand helical spring forming a dipole antenna. ... Compagnie Generale Des Etablissements Michelin

06/21/18 / #20180171551

Unit for producing an assembly

An apparatus for producing an assembly of filamentary elements that are wound together in a helix includes a twisting device, a preforming device, and an assembling device. The twisting device is structured to twist at least first and second filamentary elements individually, such that each filamentary element is twisted separately from another filamentary element, to produce at least first and second twisted filamentary elements. ... Compagnie Generale Des Etablissements Michelin

06/21/18 / #20180170391

Method for determining a limit speed for driving

A method for determining a limit speed for driving, for a driver at a vehicle's steering wheel, includes a step of estimating a grip potential available at a given instant between a tire of the vehicle and a roadway on which a tire of the vehicle is running. The grip potential is estimated as a function of at least one of: a known influencing parameter, and a measured influencing parameter. ... Compagnie Generale Des Etablissements Michelin

06/14/18 / #20180162179

Tire with greater resistance to unseating

Resistance to unseating of a tire operating at low pressure is achieved by a tire comprising at least one bead having an axial width at the seat d comprising at least one main circumferential reinforcing element (22) of which the radially innermost point (222) is at a radial distance z and at an axial distance y from the radially innermost point (211) of the bead, and such that y/d is at least equal to 0.5 and z/d is at most equal to 0.4. This same bead comprises at least one bead layer (23) surrounding the bead filler rubber (21) and such that its axially outermost end (231) is radially on the outside of the end (311) of the carcass layer (31) and it also comprises at least one additional circumferential reinforcing element (24), radially on the inside of the radially outermost point (223) of the main circumferential reinforcing element (22).. ... Compagnie Generale Des Etablissements Michelin

06/14/18 / #20180162168

Tire comprising working layers formed by individual wires

Tire comprising a crown reinforcement formed of four working crown layers of reinforcing elements. In a meridian plane, the thickness of the four working crown layers, measured in the equatorial plane, is less than 5 mm, the reinforcing elements of the four working crown layers being individual metal wires of diameter less than 0.50 mm, the distance between the reinforcing elements, measured along the normal to the direction of the mean line of the wire, being strictly less than 1 mm, and the axial width of each of the four working crown layers being greater than 60% of the axial width of the tread.. ... Compagnie Generale Des Etablissements Michelin

06/07/18 / #20180154711

Heat insulating layer for pneumatic tire

Embodiments of the invention include a method of forming a pneumatic tire having a heat insulating layer and a pneumatic tire having a heat insulating layer, for reducing the thermal cooling of a tread of a pneumatic tire. A flexible heat insulating layer is applied to the tire at a location radially inward from the tire tread and opposite the tire tread relative the tire thickness. ... Compagnie Generale Des Etablissements Michelin

05/31/18 / #20180151906

Fuel cell

A fuel cell includes a stack and at least one holding winding. The stack includes an assembly of overlaid electrochemical generators, which are disposed along a stack axis, and end plates axially clasping the assembly. ... Compagnie Generale Des Etablissements Michelin

05/31/18 / #20180147896

Adapter for a rolling assembly and rolling assembly comprising same

Adapter for a rolling assembly intended to be fitted to a passenger vehicle, with improved mountability and a high capacity for absorbing large deformations in the event of pinch shocks. The adapter has reinforcing element (15) of the axially outer end (9) wholly situated axially on the outside of bearing face (21) and radially on the outside of adapter seat (18), and a main reinforcement (17) having a radial superposition of at least two layers of reinforcers, the reinforcers being mutually parallel within one and the same layer and crossed with one another from one layer to the next. ... Compagnie Generale Des Etablissements Michelin

05/31/18 / #20180147748

Set of molding elements and mold

The invention provides for a set of molding elements (4, 5) adapted to be attached in a mold for molding tires, each molding element being able to mold a cut in a tire tread, wherein the set of molding elements comprises complex shaped molding elements, each molding element being able to connect to another molding element from the set of molding elements along a generally straight interface (54) defined between connecting molding elements the invention also provides for a mold for molding tires, said mold comprising a set of molding elements as described above attached to a main cast aluminum body.. . ... Compagnie Generale Des Etablissements Michelin

05/24/18 / #20180141374

Adapter for a rolling assembly and rolling assembly comprising same

. . Adapter for rolling assembly comprising tire and rim to provide the connection therebetween. The adapter has axially inner end with inner reinforcing element, axially outer end with outer reinforcing element, and a body. ... Compagnie Generale Des Etablissements Michelin

05/17/18 / #20180137616

Method of image segmentation

A method of segmenting a grey-level image of a tire is provided. The image is segmented into a first zone that includes striations and a second zone that does not include striations. ... Compagnie Generale Des Etablissements Michelin

05/17/18 / #20180136068

Mounting patch for a tire

A rubber patch, which is useable for mounting an active electronic component to a tire, is described. The rubber patch includes a base having a connecting face and support face. ... Compagnie Generale Des Etablissements Michelin

05/17/18 / #20180134830

Process for the continuous polymerization of a diene elastomer

A process for the continuous synthesis of a diene elastomer by n reactors r1 to rn, n ranging from 2 to 15, is provided. The reactor r1 is fed by an input solution comprising a solvent, one or more monomers, an anionic polymerization initiator and a polar agent, one or more of the reactor(s) r2 to rn also being fed by reinjection of a purified solution comprising solvent and/or monomer(s), the purity of the or of each reinjected solution being such that the proportion of the number of dead chains in the output stream from the reactor rn is less than 30%, of the number of living chains initiated in the reactor r1, the temperature of each reactor ranging from 20 to 150° c. ... Compagnie Generale Des Etablissements Michelin

05/17/18 / #20180134103

Tire provided with an electronic device

Tire of maximum width lt comprising a tread (1) asymmetric about the equatorial plane, one of its sides of which is intended to be positioned on the outboard side of the vehicle, a crown inner liner, radially furthest on the inside of the crown, and an electronic device with a sensor making for measuring at least one parameter. This electronic device is installed in the tire under the crown, radially on the inside of the inner liner of the crown, on the side of the tread that is intended to be positioned on the outboard side of the vehicle with respect to the equatorial plane and such that the axial distance from the centre of gravity of the electronic device to the equatorial plane is at least equal to 5% and at most equal to 25% of the maximum axial width of the tire lt.. ... Compagnie Generale Des Etablissements Michelin

05/17/18 / #20180134094

Tire tread comprising a block having a plurality of cutouts

Tire tread comprising elongate block (3) of rubbery material extending in a circumferential direction (x) when the tread (1) is mounted on the tire. The elongate block (3) comprises a ground contact surface (5) delimited by first and second lateral walls (7,9), with a plurality of cutouts (11a, 11b) that open onto it. ... Compagnie Generale Des Etablissements Michelin

05/17/18 / #20180134089

Tire including a block having a plurality of cutouts

A tire made of rubbery material comprising a tread (1), said tread having a width c measured between two edges (3) of the tread, the tread comprising a tread surface (5) intended to come into contact with the ground. The tread surface (5) comprises two shoulder regions (7a, 7b) surrounding a central region (9), at least one of the two shoulder regions (7a, 7b) comprising a plurality of successive cutouts (11a, 11b) in a circumferential direction (x). ... Compagnie Generale Des Etablissements Michelin

05/10/18 / #20180126790

Tire tread comprising a block having a plurality of cutouts

Tire tread comprising elongate block (3) of rubbery material extending in a circumferential direction of the tire. Elongate block (3) comprises ground contact surface (5) delimited by first and second lateral walls (7, 9). ... Compagnie Generale Des Etablissements Michelin

05/10/18 / #20180126785

Tire comprising working layers formed by individual wires

Tire comprising a crown reinforcement formed of three working layers having between ends thereof two layers of rubber compound ci. Thickness of the three working layers is <5 mm with individual metal wires as reinforcing elements of diameter <0.50 mm and a distance therebetween being strictly <1 mm. ... Compagnie Generale Des Etablissements Michelin

05/03/18 / #20180117976

Sensing device with proximity detection for tire inspection

A sensor device for tire inspection is provided. The sensor device is configured for removable placement upon or near the surface of the tire. ... Compagnie Generale Des Etablissements Michelin

05/03/18 / #20180117972

Tire with a tread comprising reinforcing elements

In a tire with a tread that includes tread pattern elements, a circumferential reinforcement, and first and second circumferential grooves, the circumferential reinforcement is formed of a rubber mixture having a stiffness greater than a stiffness of a rubber mixture forming a remainder of the tread. The tire has an outer side on one side of a median plane of the tire, and an inner side on an opposite side of the median plane. ... Compagnie Generale Des Etablissements Michelin

05/03/18 / #20180117970

Tire reinforcement

Hooping layer (71) of a passenger vehicle tire has a force at break fr per mm of axial width of the hooping layer at least equal to 35 dan/mm, an elongation at break ar at least equal to 5%, and a secant extension modulus ma at least equal to 250 dan/mm, for an applied force f equal to 15% of fr. Working reinforcement (6) comprises single working layer (61) the working reinforcers of which form, with circumferential direction (yy′), an angle at at least equal to 30° and at most equal to 50°. ... Compagnie Generale Des Etablissements Michelin

05/03/18 / #20180117801

Method of curing a polymeric form and curing device for polymeric materials using thermal expansion

The present invention is related to a method and an apparatus for curing a polymeric form. The method includes arranging an uncured polymeric form within a curing chamber (60) formed by a base member (20) and a constraining member (40). ... Compagnie Generale Des Etablissements Michelin

04/19/18 / #20180105630

Method for the synthesis of a copolymer containing imidazole pendant groups

A process for synthesizing a copolymer bearing imidazole pendant groups is provided. The process comprises the radical copolymerization of a monomer mixture comprising a terminal olefin and a functional monomer bearing a (meth)acryloyl group and an imidazole group.. ... Compagnie Generale Des Etablissements Michelin

04/19/18 / #20180104992

Tire comprising a tread layer containing channels

Tire comprising a tread (3), with a tread surface contacting the road surface, a shoulder region (5) partially delimiting the tread (3), and a plurality of complex cutouts (6) extending through the tread (3) and through the shoulder region (5). Each complex cutout (6) comprises a sipe (7) that leads onto the tread surface and a channel (8) that extends the sipe (7) into the depth of the tread and leads onto a surface (9) of the shoulder region (5). ... Compagnie Generale Des Etablissements Michelin

04/05/18 / #20180094094

Process for producing thermoplastic elastomer, and thermoplastic elastomer

A method for producing a thermoplastic elastomer includes forming a first block by copolymerizing a c4-c7 isoolefin monomer and alkylstyrene in the presence of a polymerization initiator; and forming a second block by polymerizing aromatic vinyl monomers. The thermoplastic elastomer comprises the first block and the second block. ... Compagnie Generale Des Etablissements Michelin

03/29/18 / #20180086159

Tire ready to receive a member on the surface thereof

A tire comprises an inner surface and/or outer surface with an accommodating region, an adhesive layer arranged on the accommodating region and a protective film arranged on said adhesive layer. The adhesive layer is based on a block thermoplastic styrene (tps) elastomer comprising an elastomer block based on a diene elastomer comprising a molar content (or content by weight) of unsaturations of greater than 10%, and the adhesive layer comprises one or more polyphenylene ethers (ppes).. ... Compagnie Generale Des Etablissements Michelin

03/29/18 / #20180086015

Tire molding element, tire vulcanization mold, and tire

A tire molding element for vulcanization molding a tire tread is disclosed herein. The tire includes at least one thin plate including a protrusion which protrudes from the main body in the thickness direction of the thin plate and guides the cut covering layer in the depth direction of the green tire in such a way as to cover at least a portion of the transverse side surface of the ground contact element, and the at least one thin plate comprises at least two cutting means separated in the thickness direction of the at least one thin plate, at an end portion on the opposite side to the molding surface.. ... Compagnie Generale Des Etablissements Michelin

03/15/18 / #20180072107

Tire comprising a textured tread

Tire (1) comprising a tread (8), the tire comprising at least one groove (2), at least one wear indicator (3) disposed in the groove (2), the wear indicator comprising a contact face (7) intended to come into contact with a roadway when the tire reaches a wear limit, the groove (2) comprising a texture (4) produced integrally with a bottom (10) of this groove (2), said texture (4) surrounding the wear indicator (3) and contrasting with the contact face (7) of the wear indicator.. . ... Compagnie Generale Des Etablissements Michelin

03/15/18 / #20180072103

Tread layer for a tire comprising channels

A tire comprising a tread. This tread comprises at least one elongate block delimited by at least one lateral wall (5) and a contact face (7). ... Compagnie Generale Des Etablissements Michelin

03/08/18 / #20180065416

Tire with a directional tread comprising alternate curved blocks and grooves

Tire (1) comprising a directional tread (2) comprising a plurality of blocks (5) that are separated by grooves (9), all or some of the blocks (5) of the tread comprising a median sipe (10) of length s, each block comprising a central zone extending generally at an angle β1 such that 35°≦β1≦65° with respect to a transverse direction (y), an edge zone extending generally at an angle β3 such that 0°≦β3≦10° with respect to the transverse direction (y), and a joining zone between the central zone and the edge zone, the blocks (5) having a height h and, for two adjacent blocks, the width w of a groove (9) separating these two blocks in their central zone being determined such that h*0.6≦w≦h*0.8.. . ... Compagnie Generale Des Etablissements Michelin

03/01/18 / #20180056723

Crown reinforcement for a tire for a heavy-duty civil engineering vehicle

. . A tire for a heavy construction-type vehicle includes a tread, a radial carcass reinforcement, and a crown reinforcement. The crown reinforcement includes a working reinforcement and a hoop reinforcement. ... Compagnie Generale Des Etablissements Michelin

03/01/18 / #20180056722

Tire comprising a knitted fabric and reinforcing elements

A reinforcing assembly for a tire includes a knit and a plurality of reinforcing elements. The knit includes a right side and a wrong side. ... Compagnie Generale Des Etablissements Michelin

02/22/18 / #20180050566

Tire comprising a composition comprising a derivative of zinc diacrylate and a peroxide

A tire is provided with an internal layer, said internal layer comprising a rubber composition based on at least one diene elastomer, a zinc diacrylate derivative in the form of a zinc salt wherein r1, r2 and r3 independently represent a hydrogen atom or a c1-c7 hydrocarbon group selected from linear, branched or cyclic alkyl groups, aralkyl groups, alkylaryl groups and aryl groups and optionally interrupted by one or more heteroatoms, it being possible for r2 and r3 to together form a nonaromatic ring, said composition additionally comprising a peroxide. The contents of zinc diacrylate derivative and of peroxide are such that the ratio of the content of peroxide to the content of zinc diacrylate derivative is less than or equal to 0.09, said composition not comprising a reinforcing filler or comprising less than 65 phr thereof, the ratio of the content of filler to the content of zinc diacrylate derivative being less than or equal to 4.. ... Compagnie Generale Des Etablissements Michelin

02/15/18 / #20180043734

Tire object provided with an elastomer layer made of a thermoplastic elastomer in the form of an (a-b-(a-methylstyrene-co-b))n-b-c block copolymer

A pneumatic object is provided with an elastomer layer which is gastight to inflation gases, said elastomer layer comprising, as predominant elastomer, a thermoplastic elastomer in the form of a block copolymer which comprises: (a) an elastomeric block comprising at least units derived from isobutylene, and having a glass transition temperature of less than or equal to −20° c., and (b) one or more thermoplastic blocks, the thermoplastic block(s) each comprising at least one first block consisting of units derived from at least one polymerizable monomer and at least one second block, said second block(s) being a random copolymer consisting of units derived from α-methylstyrene and of units derived from β-pinene. A process for rendering a pneumatic object gastight to inflation gases is also disclosed.. ... Compagnie Generale Des Etablissements Michelin

02/15/18 / #20180043652

Controlling friction characteristics of resilient members using near-surface microstructures

Resilient members having near-surface architectures including microstructures for controlling friction are provided. A film-terminated array of fibrils having a sharp film/fibril juncture exhibits an unexpectedly large enhancement of adhesion, static friction and sliding friction. ... Compagnie Generale Des Etablissements Michelin

02/08/18 / #20180037061

Rolling assembly

. . Rolling assembly comprising tire p, rim j, adapter connecting a bead and the rim. The adapter has axially outer (9) and inner (10) ends mounted on rim seat (7) having respective outer (16) and inner (20) reinforcers. ... Compagnie Generale Des Etablissements Michelin

02/08/18 / #20180037054

Cross spoke non-pneumatic tire

A non-pneumatic tire having a hub and a compliant outer band connected by multiple rows of connecting members, the connecting members of a given row of connecting members angled in a like direction and the predominant curvature of each connecting member resulting in the majority of the connecting member positioned toward a preferred intended direction of rotation of the tire.. . ... Compagnie Generale Des Etablissements Michelin

02/01/18 / #20180029423

Tire with a directional tread comprising curved blocks with chamfers

Tire (1) comprising a directional tread (2) comprising a plurality of blocks (5) extending continuously along an overall curvature c from one of the edges (3) towards the centre (4) of said tread, all or some of the blocks (5) of the tread comprising a median sipe (10) of length s extending along a curvature c′ substantially identical to the curvature c of the block, each block (5) comprising a central zone at an angle β1 such that 35°≦β1≦65°, an edge zone at an angle β3 such that 0°≦β3≦10°, and an intermediate zone between the central zone and the edge zone at an angle β2 allowing continuity between the three zones, at least some of the blocks (5) being designed with a block chamfer (15) provided at the trailing edge in the intermediate zone and/or the edge zone.. . ... Compagnie Generale Des Etablissements Michelin

01/25/18 / #20180024515

Direct address laser ablation

. . . . A system and method for selectively removing tire material from the bead portions of a cured tire to reduce one or more harmonics of at least one uniformity parameter are disclosed. According to aspects of the present disclosure, tire material is selectively removed using a plurality of direct address commands. ... Compagnie Generale Des Etablissements Michelin

01/25/18 / #20180022167

Truck tire tread and truck tire

Heavy truck tire tread having a longitudinal direction, a transverse direction and a thickness direction, said tread having a ground engaging surface and comprising a series of similar tread features repeated along its longitudinal direction, each tread feature comprising: two ducts extending from the ground-engaging surface in the thickness direction, said ducts being apart one from the other and having a duct section area of at least 10 mm2 and a length comprised between 50% and 100% of a thickness of said tread; one void being in fluidic connection with said two ducts, said void extending substantially parallel to the ground-engaging surface of the tread and at a distance therefrom and having a void section area of at least 10 mm; and one sipe joining said two ducts and said void; wherein said feature is otherwise blind and said series comprises 50 of said similar tread features.. . ... Compagnie Generale Des Etablissements Michelin

01/25/18 / #20180022163

Tire with a directional tread comprising curved blocks with incisions

Tire comprising a directional tread that has two edges and a center. The tread comprises a plurality of blocks, each block extending continuously along an overall curvature c from one of the edges towards the center of the tread, forming a block central end provided with a central wall. ... Compagnie Generale Des Etablissements Michelin

01/25/18 / #20180022160

Radial tire having an improved belt structure

A radial tire, notably for a passenger vehicle or van, has a lightened belt structure comprising a multilayer composite laminate of specific construction, with a first layer of rubber reinforced by heat-shrinkable circumferential textile reinforcers in the form of monofilaments or assemblies of monofilaments, for example made of nylon or of polyester, this first layer radially (in the direction z) surmounting two other layers of rubber, reinforced by small steel cords such as, for example, carbon steel cords of construction 1×2.. . ... Compagnie Generale Des Etablissements Michelin

01/25/18 / #20180022159

Radial tire having a very thin belt structure

A radial tire, notably for a passenger vehicle or van, has a very thin belt structure comprising a multilayer composite laminate of specific construction, with a first layer of rubber reinforced by circumferential textile reinforcers in the form of monofilaments or assemblies of monofilaments, preferably slightly heat-shrinkable, for example made of nylon or of polyester, this first layer radially (in the direction z) surmounting two other layers of rubber, reinforced by high-strength steel monofilaments. The mean thickness of rubber, measured in the radial direction (z), separating a first reinforcer from the second reinforcer which is closest to it, and that separating a second reinforcer from the third reinforcer which is closest to it, are both less than or at most equal to 0.35 mm.. ... Compagnie Generale Des Etablissements Michelin

01/25/18 / #20180022158

Radial tire having an improved belt structure

A radial tire, notably for a passenger vehicle or van, has an improved belt structure comprising a multilayer composite laminate with a first layer of rubber comprising heat-shrinkable circumferential textile reinforcers, in the form of monofilament fibres twisted individually on themselves according to a twist greater than 100 turns per metre; this first layer radially (in the direction z) surmounts two other layers of rubber, reinforced by reinforcers all or some of which are composite reinforcers made up of steel monofilaments sheathed with a thermoplastic material, the glass transition temperature of which is greater than 20° c. This laminate makes it possible to lighten the belts of tyres by reducing the thickness of the layers of rubber that make up part of their structure, and therefore to reduce the weight and rolling resistance of the tyres, without the risk of direct contact between the reinforcers.. ... Compagnie Generale Des Etablissements Michelin

01/25/18 / #20180022157

Radial tire having an improved belt structure

A radial tire, notably for a passenger vehicle or van, has an improved belt structure comprising a multilayer composite laminate with a first layer of rubber comprising heat-shrinkable circumferential textile reinforcers, preferably in the form of monofilaments or assemblies of monofilaments; this first layer radially (in the direction z) surmounts two other layers of rubber, reinforced by reinforcers all or some of which are composite reinforcers made up of steel monofilaments sheathed with a thermoplastic material, the glass transition temperature of which is greater than 20° c. This laminate makes it possible to lighten the belts of tyres by reducing the thickness of the layers of rubber that make up part of their structure, and therefore to reduce the weight and rolling resistance of the tyres, without the risk of direct contact between the reinforcers.. ... Compagnie Generale Des Etablissements Michelin

01/25/18 / #20180021989

System with plug assembly for continuous molding and curing of tire tread

A system for the continuous extrusion, molding, and curing of tread for tires. An elongated strip of rubber material can be molded and cured shortly after extrusion such that the material retains much of the heat energy of extrusion and does not have to be stored. ... Compagnie Generale Des Etablissements Michelin

01/25/18 / #20180021855

Method for managing a powder in an additive manufacturing facility comprising a plurality of machines

An additive-manufacturing facility and a method for managing a powder transported to and from additive-manufacturing machines of the facility are provided. According to the method, a volume of feedstock powder is stored, and the machines are automatically fed with powder from the volume of feedstock powder. ... Compagnie Generale Des Etablissements Michelin

01/18/18 / #20180016433

High-rigidity rubber composition

A rubber composition comprises at least one phenol/aldehyde resin based on at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functions in the meta position relative to one another, the two positions ortho to at least one of the hydroxyl functions being unsubstituted, and at least one aromatic polyaldehyde selected from 1,3-benzenedicarboxaldehyde, 1,4-benzenedicarboxaldehyde and mixtures of these compounds, the rubber composition having a nominal secant modulus at 10% elongation, measured according to standard astm d 412, 1998, of greater than or equal to 25 mpa.. . ... Compagnie Generale Des Etablissements Michelin

01/11/18 / #20180010294

Multi-strand cable of 1xn structure for protective reinforcement of a tire

A method is provided for manufacturing a multistrand cable having a 1×n structure and including a single layer of n strands wound in a helix. Each strand includes an internal layer of m internal threads and an external layer of p external threads. ... Compagnie Generale Des Etablissements Michelin

01/11/18 / #20180009479

Spindle system for wheel alignment correction

A spindle sleeve and washer for adjusting the camber, toe, or thrust angle of a vehicle wheel to a desired predetermined angle which allows for use of existing hub and spindle assembly without permanent modification to the vehicle.. . ... Compagnie Generale Des Etablissements Michelin

01/04/18 / #20180001705

Molded article and improved venting assembly for a rotating mold

A molded article with an axis of rotation about a central axis having an outer interface element, an inner interface element, and a plurality of web spokes positioned therebetween. The common surfaces of the inner and outer interface elements and a pair of adjacent web spokes form a void space. ... Compagnie Generale Des Etablissements Michelin

12/28/17 / #20170369680

Epoxidized rubber compositions

Rubber compositions and articles made from such rubber compositions that are based upon a cross-linkable elastomer composition, the cross-linkable elastomer composition comprising, per 100 parts by weight of rubber (phr) between 70 phr and 100 phr of an epoxidized rubber component selected from an epoxidized polybutadiene rubber (ebr), an epoxidized styrene-butadiene rubber (esbr), or combinations thereof, wherein the epoxidized rubber component has a tg of between −80° c. And −110° c. ... Compagnie Generale Des Etablissements Michelin

12/28/17 / #20170368878

Tire-type device for a vehicle

Tire-type device having bearing elements (7) within annular space (5) between inner and outer coaxial structures of revolution, the latter contacting the ground in contact patch (a). The bearing elements are independent in pairs and buckle under compression in contact patch (a). ... Compagnie Generale Des Etablissements Michelin

12/28/17 / #20170368869

Non-pneumatic tire with multi-connection connecting elements

A non-pneumatic tire (101) having a hub (201) and a compliant outer band (109) connected by connecting members (129) that are intersected by an intermediate band (120) positioned between the hub (201) and compliant outer band (109) forming a plurality of connecting element segments (331,333), each segment having a predominant curvature extending in the same longitudinal direction said direction coinciding with the preferred direction of rotation of the tire (101).. . ... Compagnie Generale Des Etablissements Michelin

12/21/17 / #20170361658

Tire tread with improved dry/snow traction

A tire tread formed from a rubber composition having a functionalized sbr and a br that is reinforced with between 95 phr and 125 phr of a silica filler and includes a plasticizing system to adjust the glass transition temperature to be between −30° c. And −15° c. ... Compagnie Generale Des Etablissements Michelin

12/21/17 / #20170361653

Tire component

A tire component is disclosed that is made of a thermoplastic composition that is based upon a cross-linkable composition. The composition includes, per 100 parts by weight of the thermoplastic elastomer, 100 phr of a thermoplastic elastomer, wherein the thermoplastic elastomer is a block copolymer that comprises an elastomer block and a hard thermoplastic block. ... Compagnie Generale Des Etablissements Michelin

12/14/17 / #20170355419

Electric assist device for a bicycle and bicycle equipped with such a device

An electrical assistance device for a bicycle includes an electrical machine, a drive roller, an actuatable positioner, and a controller. The electrical machine includes a support arm and a rotor shaft, which carries the drive roller via a free wheel. ... Compagnie Generale Des Etablissements Michelin

12/14/17 / #20170355231

Tread for heavy truck winter tire

The tread has four grooves that delimit a central, intermediate and edge regions. Each intermediate region is divided into elongated raised elements that delimit oblique grooves which open into the circumferential grooves and are inclined at an average angle of between 30 and 60 degrees relative to the circumferential direction. ... Compagnie Generale Des Etablissements Michelin

12/07/17 / #20170348934

Methods and apparatus for installing a tread ring upon a tire carcass

Exemplary embodiments of the subject invention comprise methods and apparatus for mounting a tread ring onto a tire carcass. Such methods include providing a tire tread ring having opposing side edges, arranging the tread ring in an initial ring arrangement in communication with a pressure source, and expanding the tread ring radially outward from the initial ring arrangement to an expanded arrangement. ... Compagnie Generale Des Etablissements Michelin

11/30/17 / #20170341473

Device for attenuating rolling noise for a tire

The subject of the disclosure is a tread for a tire, this tread having a tread surface intended to come into contact with a roadway and comprising at least one groove of width w and depth p delimited by two facing lateral walls, these lateral walls being connected together by a groove bottom. At least one groove has a plurality of closing devices for reducing the running resonance noise generated by this groove, each closing device comprising at least two flexible blades, a first flexible blade secured to the bottom of the groove and intended to flex around a first axis, and a second flexible blade secured to a lateral wall delimiting the groove and intended to flex around a second axis, the first flexible blade connected to the bottom having a maximum height h.. ... Compagnie Generale Des Etablissements Michelin

11/09/17 / #20170324105

Method for controlling a fuel cell

A method is provided for controlling an ion-exchange-membrane type fuel-cell stack installed in a system that includes a cooling circuit and a cooling pump for circulating coolant liquid in the cooling circuit. The method includes, in a start-up phase of starting up the fuel-cell stack, determining an internal temperature of the fuel-cell stack; measuring a temperature in the cooling circuit; applying a start-up current to the fuel-cell stack; and, in parallel: controlling the cooling pump to operate in a pulsed mode when the internal temperature of the fuel-cell stack is above a first predetermined threshold and the temperature of the cooling circuit is below a second predetermined threshold, and controlling the cooling pump to operate in a continuous mode when the temperature in the cooling circuit rises above the second predetermined threshold.. ... Compagnie Generale Des Etablissements Michelin

06/08/17 / #20170157873

Method and apparatus for assembling a tire blank

A method for manufacturing a tire involves successively performing steps that include: continuously converting a flat reinforcing strip into an undulating reinforcing strip; pressing peaks of waves of the undulating reinforcing strip one by one onto a surface of a tire blank that is driven in rotation by a drum about a drum axis; and winding the undulating reinforcing strip onto the tire blank. In the converting step, the flat reinforcing strip is converted into the undulating reinforcing strip in an immediate vicinity of the drum. ... Compagnie Generale Des Etablissements Michelin

05/04/17 / #20170121806

Surface graphenization of a metallic or metallized reinforcement by flame spray pyrolysis

A process for depositing, with forward progression, graphene on the surface of a metallic or metallized continuous reinforcer, at the periphery of which is positioned a layer of surface metal chosen from copper, nickel and copper/nickel alloys, comprises at least one stage of flame spray pyrolysis (“fsp”), under a reducing atmosphere, of a carbon precursor which generates, in the flame, at least one carbon-based gas such as carbon monoxide which is sprayed onto the surface of the reinforcer in forward progression, and is decomposed thereon to form one or more graphene layers at the surface of the surface metal; an additional stage of graphene functionalization makes it possible to adhere the reinforcer to a polymer matrix such as rubber.. . ... Compagnie Generale Des Etablissements Michelin

05/04/17 / #20170121507

High rigidity rubber composition

Rubber compositions and rubber articles manufactured from such rubber compositions that include the well-known antioxidant poly-2,2,4-trimethyl-1,2-dihydroquinoline (tmq) having the formula (c12h15n) where n=2˜4 as well as a methylene acceptor/donor system reinforcing resin. Such embodiments include a tire component comprising a rubber composition that is based upon a cross-linkable elastomer composition, the cross-linkable rubber composition comprising, per 100 parts by weight of rubber (phr), a highly unsaturated diene elastomer, reinforcing filler, between 0.5 phr and 10 phr of tmq and the methylene acceptor/methylene donor.. ... Compagnie Generale Des Etablissements Michelin








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