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FR3148166B1 - Pneumatique dont la bande de roulement presente des proprietes d’endurance ameliorees - Google Patents

Pneumatique dont la bande de roulement presente des proprietes d’endurance ameliorees Download PDF

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Publication number
FR3148166B1
FR3148166B1 FR2304283A FR2304283A FR3148166B1 FR 3148166 B1 FR3148166 B1 FR 3148166B1 FR 2304283 A FR2304283 A FR 2304283A FR 2304283 A FR2304283 A FR 2304283A FR 3148166 B1 FR3148166 B1 FR 3148166B1
Authority
FR
France
Prior art keywords
tread
tire
elastomeric mixture
improved endurance
endurance properties
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.)
Active
Application number
FR2304283A
Other languages
English (en)
Other versions
FR3148166A1 (fr
Inventor
Christine Nourry
Juliette Breha
Xavier Robin
Xavier Neau
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 FR2304283A priority Critical patent/FR3148166B1/fr
Priority to PCT/EP2024/061087 priority patent/WO2024223564A1/fr
Publication of FR3148166A1 publication Critical patent/FR3148166A1/fr
Application granted granted Critical
Publication of FR3148166B1 publication Critical patent/FR3148166B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
    • B60C1/0016—Compositions of the tread
    • 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
    • B60C11/0041—Tyre tread bands; Tread patterns; Anti-skid inserts comprising different tread rubber layers
    • 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
    • B60C11/03—Tread patterns
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1307—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
    • B60C11/1346—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls covered by a rubber different from the tread rubber
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L’invention concerne un pneumatique dont la bande de roulement présente au moins une rainure. Selon l’invention, la bande de roulement est constituée d’un premier mélange élastomérique et au moins une partie du fond et/ou des parois de ladite au moins une rainure entourant les zones de jonction entre ledit fond et lesdites deux parois de ladite au moins une rainure est constituée d’un deuxième mélange élastomérique sur une épaisseur d’au moins 1 mm, le premier mélange élastomérique présente un coefficient de déchirabilité inférieur à 100 N/m, le deuxième mélange élastomérique présentant un coefficient de déchirabilité supérieur d’au moins 20 % au coefficient de déchirabilité du premier mélange élastomérique. Figure pour l’abrégé : Fig 2
FR2304283A 2023-04-27 2023-04-27 Pneumatique dont la bande de roulement presente des proprietes d’endurance ameliorees Active FR3148166B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2304283A FR3148166B1 (fr) 2023-04-27 2023-04-27 Pneumatique dont la bande de roulement presente des proprietes d’endurance ameliorees
PCT/EP2024/061087 WO2024223564A1 (fr) 2023-04-27 2024-04-23 Pneumatique dont la bande de roulement presente des proprietes d'endurance ameliorees

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2304283 2023-04-27
FR2304283A FR3148166B1 (fr) 2023-04-27 2023-04-27 Pneumatique dont la bande de roulement presente des proprietes d’endurance ameliorees

Publications (2)

Publication Number Publication Date
FR3148166A1 FR3148166A1 (fr) 2024-11-01
FR3148166B1 true FR3148166B1 (fr) 2025-03-14

Family

ID=87554830

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2304283A Active FR3148166B1 (fr) 2023-04-27 2023-04-27 Pneumatique dont la bande de roulement presente des proprietes d’endurance ameliorees

Country Status (2)

Country Link
FR (1) FR3148166B1 (fr)
WO (1) WO2024223564A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ313363A (en) 1995-05-22 2000-03-27 Cabot Corp Elastomeric compounds incorporating silicon-treated carbon blacks
FR2770458B1 (fr) 1997-11-05 1999-12-03 Michelin & Cie Armature de sommet pour pneumatique "poids-lours"
EP1595847B1 (fr) 1997-11-28 2009-11-11 Compagnie Generale Des Etablissements Michelin Charge alumineuse renforcante et composition de caoutchouc comportant une telle charge
JP2001525436A (ja) 1997-11-28 2001-12-11 コンパニー ゼネラール デ エタブリッスマン ミシュラン−ミシュラン エ コムパニー アルミナ層で被覆されたカーボンブラックで補強したタイヤ用ゴム組成物
BR0006169B1 (pt) 1999-05-28 2009-05-05 composição de borracha utilizável para a fabricação de pneumáticos, processo para reforçar uma composição de borracha diênica, artigo de borracha, pneumático e banda de rodagem de pneumático.
AU2002210430A1 (en) 2000-07-31 2002-02-13 Michelin Recherche Et Technique S.A. Running tread for tyre
DE602004020973D1 (de) 2003-02-17 2009-06-18 Michelin Soc Tech Gürtelverstärkung für einen radialreifen
WO2010072234A1 (fr) * 2008-12-23 2010-07-01 Pirelli Tyre S.P.A. Pneumatique pour des roues de véhicule doté d'une bande de sculptures protégée contre les anomalies des rainures
WO2019002766A1 (fr) * 2017-06-30 2019-01-03 Compagnie Generale Des Etablissements Michelin Pneumatique d'avion
FR3128159B1 (fr) * 2021-10-15 2023-09-22 Michelin & Cie Pneumatique avec une bande de roulement comportant des elements de renforcement

Also Published As

Publication number Publication date
FR3148166A1 (fr) 2024-11-01
WO2024223564A1 (fr) 2024-10-31

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Effective date: 20241101