FR3084014A3 - Pneumatique avec un sommet comportant une couche de rigidification et une bande de roulement a forte adherence - Google Patents

Pneumatique avec un sommet comportant une couche de rigidification et une bande de roulement a forte adherence Download PDF

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Publication number
FR3084014A3
FR3084014A3 FR1856708A FR1856708A FR3084014A3 FR 3084014 A3 FR3084014 A3 FR 3084014A3 FR 1856708 A FR1856708 A FR 1856708A FR 1856708 A FR1856708 A FR 1856708A FR 3084014 A3 FR3084014 A3 FR 3084014A3
Authority
FR
France
Prior art keywords
tread
reinforcing wire
wire elements
tire
summit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
FR1856708A
Other languages
English (en)
Inventor
Bertrand Daval
Frederic Perrin
De St- Michel Remi Reynal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Generale des Etablissements Michelin SCA
Original Assignee
Compagnie Generale des Etablissements Michelin SCA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie Generale des Etablissements Michelin SCA filed Critical Compagnie Generale des Etablissements Michelin SCA
Priority to FR1856708A priority Critical patent/FR3084014A3/fr
Publication of FR3084014A3 publication Critical patent/FR3084014A3/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/1821—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers comprising discrete fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B60C2009/2012—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel with particular configuration of the belt cords in the respective belt layers
    • B60C2009/2019—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel with particular configuration of the belt cords in the respective belt layers comprising cords at an angle of 30 to 60 degrees to the circumferential direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B60C2009/2012—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel with particular configuration of the belt cords in the respective belt layers
    • B60C2009/2022—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel with particular configuration of the belt cords in the respective belt layers comprising cords at an angle of 60 to 90 degrees to the circumferential direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B60C2009/2074—Physical properties or dimension of the belt cord
    • B60C2009/2077—Diameters of the cords; Linear density thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B60C2009/2074—Physical properties or dimension of the belt cord
    • B60C2009/208—Modulus of the cords
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/0008—Tyre tread bands; Tread patterns; Anti-skid inserts characterised by the tread rubber
    • B60C2011/0016—Physical properties or dimensions
    • B60C2011/0025—Modulus or tan delta
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B60C9/2003—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords
    • B60C9/2006—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords consisting of steel cord plies only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B60C9/22—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/28—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers characterised by the belt or breaker dimensions or curvature relative to carcass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

Pneumatique (1) comprenant un sommet (2) comportant une armature de ceinture ayant une largeur axiale W, une bande de roulement (5) en matériau élastomérique, la bande de roulement comprenant une pluralité de blocs de sculpture (50), deux blocs de sculpture axialement adjacents étant séparés par une rainure (7) s'étendant au moins en partie circonférentiellement, une couche de rigidification constituée d'éléments filaires de renfort rigides en compression, lesdits éléments filaires de renfort étant orientés selon une direction moyenne formant un angle compris entre 50° et 90° avec la direction circonférentielle C, dans lequel les éléments filaires de renfort sont fractionnés en se déplaçant le long de leur direction moyenne, formant des fragments avec recouvrement d'amplitude « R » entre fragments adjacents circonférentiellement et dans lequel les éléments filaires de renfort ont une dimension minimale de 0,15 mm dans le plus petit axe de leur section.
FR1856708A 2018-07-19 2018-07-19 Pneumatique avec un sommet comportant une couche de rigidification et une bande de roulement a forte adherence Pending FR3084014A3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1856708A FR3084014A3 (fr) 2018-07-19 2018-07-19 Pneumatique avec un sommet comportant une couche de rigidification et une bande de roulement a forte adherence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1856708A FR3084014A3 (fr) 2018-07-19 2018-07-19 Pneumatique avec un sommet comportant une couche de rigidification et une bande de roulement a forte adherence

Publications (1)

Publication Number Publication Date
FR3084014A3 true FR3084014A3 (fr) 2020-01-24

Family

ID=63442694

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1856708A Pending FR3084014A3 (fr) 2018-07-19 2018-07-19 Pneumatique avec un sommet comportant une couche de rigidification et une bande de roulement a forte adherence

Country Status (1)

Country Link
FR (1) FR3084014A3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4005824A1 (fr) * 2020-11-25 2022-06-01 Sumitomo Rubber Industries, Ltd. Pneumatique de motocyclette

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1259709A (fr) * 1959-08-07 1961-04-28 Firestone Tire & Rubber Co Pneumatique
FR1266443A (fr) * 1959-10-12 1961-07-07 Firestone Tire & Rubber Co Bandage pneumatique
US3763912A (en) * 1970-07-10 1973-10-09 Pirelli Breaker structure including glass fibers for radial tires
WO2016202702A1 (fr) * 2015-06-16 2016-12-22 Compagnie Generale Des Etablissements Michelin Pneumatique avec un sommet comportant une nappe de rigidification et une bande de roulement à forte adhérence
WO2018206900A1 (fr) * 2017-05-12 2018-11-15 Compagnie Generale Des Etablissements Michelin Pneumatique avec un sommet comportant une couche de rigidification et une bande de roulement a forte adherence

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1259709A (fr) * 1959-08-07 1961-04-28 Firestone Tire & Rubber Co Pneumatique
FR1266443A (fr) * 1959-10-12 1961-07-07 Firestone Tire & Rubber Co Bandage pneumatique
US3763912A (en) * 1970-07-10 1973-10-09 Pirelli Breaker structure including glass fibers for radial tires
WO2016202702A1 (fr) * 2015-06-16 2016-12-22 Compagnie Generale Des Etablissements Michelin Pneumatique avec un sommet comportant une nappe de rigidification et une bande de roulement à forte adhérence
WO2018206900A1 (fr) * 2017-05-12 2018-11-15 Compagnie Generale Des Etablissements Michelin Pneumatique avec un sommet comportant une couche de rigidification et une bande de roulement a forte adherence

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4005824A1 (fr) * 2020-11-25 2022-06-01 Sumitomo Rubber Industries, Ltd. Pneumatique de motocyclette

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Year of fee payment: 2

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Effective date: 20210803