BR112018012225A2 - pneumático que apresenta propriedades de desgaste e de resistência à rodagem melhoradas - Google Patents

pneumático que apresenta propriedades de desgaste e de resistência à rodagem melhoradas

Info

Publication number
BR112018012225A2
BR112018012225A2 BR112018012225A BR112018012225A BR112018012225A2 BR 112018012225 A2 BR112018012225 A2 BR 112018012225A2 BR 112018012225 A BR112018012225 A BR 112018012225A BR 112018012225 A BR112018012225 A BR 112018012225A BR 112018012225 A2 BR112018012225 A2 BR 112018012225A2
Authority
BR
Brazil
Prior art keywords
tire
tread
layer
width measured
orientation
Prior art date
Application number
BR112018012225A
Other languages
English (en)
Other versions
BR112018012225B1 (pt
Inventor
Quantinet Benjamin
Godeau Gilles
Gervais Philippe
Zivkovic Tony
Original Assignee
Michelin & Cie
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 Michelin & Cie filed Critical Michelin & Cie
Publication of BR112018012225A2 publication Critical patent/BR112018012225A2/pt
Publication of BR112018012225B1 publication Critical patent/BR112018012225B1/pt

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
    • B60C9/20—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
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/032—Patterns comprising isolated recesses
    • B60C11/0323—Patterns comprising isolated recesses tread comprising channels under the tread surface, e.g. for draining water
    • 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
    • B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
    • B60C11/1272—Width of the sipe
    • B60C11/1281—Width of the sipe different within the same sipe, i.e. enlarged width portion at sipe bottom or along its length
    • 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
    • B60C2009/2061—Physical properties or dimensions of the belt coating rubber
    • B60C2009/2064—Modulus; Hardness; Loss modulus or "tangens 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
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
    • B60C11/1204—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe
    • B60C2011/1209—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe straight at the tread surface
    • 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
    • B60C2200/00—Tyres specially adapted for particular applications
    • B60C2200/06—Tyres specially adapted for particular applications for heavy duty vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction 

Landscapes

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

Abstract

pneumático que compreende uma armadura de topo formada por pelo menos duas camadas (41, 43) de topo de trabalho de elementos de reforço e por pelo menos uma camada (42) de elementos de reforço circunferenciais. de acordo com a invenção, a banda de rodagem apresenta pelo menos um recorte de orientação longitudinal (8) e pelo menos um recorte de orientação transversal (10), a profundidade, medida em um pneumático novo dos ditos pelo menos um recorte de orientação longitudinal e pelo menos um recorte de orientação transversal sendo superior ou igual a 40 % da espessura da banda de rodagem, e a razão da largura medida no fundo dos ditos recortes de orientação longitudinal sobre a largura medida na superfície da banda de rodagem dos ditos recortes de orientação longitudinal sendo estritamente superior a 1.2, e a razão da largura medida no fundo do dito pelo menos um recorte de orientação transversal sobre a largura medida na superfície da banda de rodagem em um pneumático novo do dito pelo menos um recorte de orientação transversal sendo superior ou igual a 1, o módulo de elasticidade sob tensão a 10 % de alongamento de pelo menos uma camada de calandragem de pelo menos uma camada de topo de trabalho é inferior a 8.5 mpa, e o valor máximo de tan(d), anotado tan(d)max, da dita pelo menos uma camada de calandragem de pelo menos uma camada de topo de trabalho sendo inferior a 0.100.
BR112018012225-4A 2015-12-16 2016-12-14 Pneumático que apresenta propriedades de desgaste e de resistência à rodagem melhoradas BR112018012225B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1562473 2015-12-16
FR1562473A FR3045484B1 (fr) 2015-12-16 2015-12-16 Pneumatique presentant des proprietes d'usure et de resistance au roulement ameliorees
PCT/FR2016/053381 WO2017103437A1 (fr) 2015-12-16 2016-12-14 Pneumatique presentant des proprietes d'usure et de resistance au roulement ameliorees

Publications (2)

Publication Number Publication Date
BR112018012225A2 true BR112018012225A2 (pt) 2018-11-27
BR112018012225B1 BR112018012225B1 (pt) 2021-09-28

Family

ID=55361776

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018012225-4A BR112018012225B1 (pt) 2015-12-16 2016-12-14 Pneumático que apresenta propriedades de desgaste e de resistência à rodagem melhoradas

Country Status (6)

Country Link
EP (1) EP3390082B1 (pt)
CN (1) CN108367602B (pt)
BR (1) BR112018012225B1 (pt)
CA (1) CA3003089C (pt)
FR (1) FR3045484B1 (pt)
WO (1) WO2017103437A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7091648B2 (ja) * 2017-12-20 2022-06-28 住友ゴム工業株式会社 タイヤ

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2857620B1 (fr) * 2003-07-18 2005-08-19 Michelin Soc Tech Pneumatique pour vehicules lourds
FR2912081B1 (fr) * 2007-02-06 2009-04-24 Michelin Soc Tech Pneumatique pour vehicules lourds
MX2011002468A (es) * 2008-09-11 2011-04-05 Michelin Rech Tech Llanta para neumatico de area superficial variable y neumatico.
FR2950565B1 (fr) * 2009-09-29 2012-08-31 Michelin Soc Tech Bande de roulement pour pneu de rigidite amelioree
JP5210334B2 (ja) * 2010-02-05 2013-06-12 住友ゴム工業株式会社 重荷重用タイヤ
FR2956354A1 (fr) * 2010-02-12 2011-08-19 Michelin Soc Tech Pneumatique pour vehicules a deux roues comportant une bande de roulement presentant des incisions.
FR2981298B1 (fr) * 2011-10-13 2014-05-02 Soc Tech Michelin Pneumatique comportant une couche d'elements de renforcement circonferentiels
FR2989031B1 (fr) * 2012-04-05 2014-05-02 Michelin & Cie Bande de roulement de pneu pour essieu moteur de poids lourd
FR3000433B1 (fr) * 2012-12-27 2015-04-24 Michelin & Cie Bande de roulement amelioree pour pneu de vehicule poids lourd
FR3014022B1 (fr) * 2013-12-02 2016-07-08 Michelin & Cie Bande de roulement evolutive pour pneu
JP5846227B2 (ja) * 2014-02-06 2016-01-20 横浜ゴム株式会社 空気入りタイヤ

Also Published As

Publication number Publication date
FR3045484B1 (fr) 2017-12-22
BR112018012225B1 (pt) 2021-09-28
EP3390082A1 (fr) 2018-10-24
CN108367602B (zh) 2020-09-29
CA3003089C (fr) 2023-10-24
EP3390082B1 (fr) 2020-11-18
CA3003089A1 (fr) 2017-06-22
FR3045484A1 (fr) 2017-06-23
CN108367602A (zh) 2018-08-03
WO2017103437A1 (fr) 2017-06-22

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/12/2016, OBSERVADAS AS CONDICOES LEGAIS.