BR112018012358A2 - 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
BR112018012358A2
BR112018012358A2 BR112018012358-7A BR112018012358A BR112018012358A2 BR 112018012358 A2 BR112018012358 A2 BR 112018012358A2 BR 112018012358 A BR112018012358 A BR 112018012358A BR 112018012358 A2 BR112018012358 A2 BR 112018012358A2
Authority
BR
Brazil
Prior art keywords
tire
orientation
layer
indentation
width measured
Prior art date
Application number
BR112018012358-7A
Other languages
English (en)
Other versions
BR112018012358B1 (pt
Inventor
Godeau Gilles
Quantinet Benjamin
Zivkovic Tony
Gervais Philippe
Original Assignee
Compagnie Generale Des Etablissements Michelin
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 filed Critical Compagnie Generale Des Etablissements Michelin
Publication of BR112018012358A2 publication Critical patent/BR112018012358A2/pt
Publication of BR112018012358B1 publication Critical patent/BR112018012358B1/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
    • B60C9/2003—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
    • 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
    • B60C9/1835—Rubber strips or cushions at the belt edges
    • B60C9/185—Rubber strips or cushions at the belt edges between adjacent or radially below the belt plies
    • 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
    • B60C9/1835—Rubber strips or cushions at the belt edges
    • B60C2009/1842—Width or thickness of the strips or cushions
    • 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
    • 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
    • B60C11/1236—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern
    • B60C2011/1245—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern being arranged in crossing relation, e.g. sipe mesh
    • 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, uma camada c sendo disposta entre as extremidades das camadas de topo de trabalho. 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, 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, 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 da camada c sendo superior a 9 mpa e o valor máximo de tan(¿), anotado tan(¿)max, da camada c sendo inferior a 0.100.
BR112018012358-7A 2015-12-16 2016-12-14 Pneumático que apresenta propriedades de desgaste e de resistência à rodagem melhoradas BR112018012358B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1562450 2015-12-16
FR1562450A FR3045468B1 (fr) 2015-12-16 2015-12-16 Pneumatique presentant des proprietes d'usure et de resistance au roulement ameliorees
PCT/FR2016/053405 WO2017103461A1 (fr) 2015-12-16 2016-12-14 Pneumatique présentant des propriétés d'usure et de résistance au roulement améliorées

Publications (2)

Publication Number Publication Date
BR112018012358A2 true BR112018012358A2 (pt) 2018-12-04
BR112018012358B1 BR112018012358B1 (pt) 2021-10-05

Family

ID=55361756

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018012358-7A BR112018012358B1 (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) EP3390102B1 (pt)
CN (1) CN108367614B (pt)
BR (1) BR112018012358B1 (pt)
CA (1) CA3003376A1 (pt)
FR (1) FR3045468B1 (pt)
WO (1) WO2017103461A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111278666B (zh) * 2017-10-31 2021-10-29 米其林集团总公司 用于重型车辆轮胎的胎面

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07172112A (ja) * 1993-12-21 1995-07-11 Bridgestone Corp 空気入りタイヤ
JPH11139114A (ja) * 1997-11-14 1999-05-25 Yokohama Rubber Co Ltd:The 氷雪路用空気入りタイヤ
JP3822338B2 (ja) * 1997-11-19 2006-09-20 株式会社ブリヂストン 空気入りタイヤ
JP4523815B2 (ja) * 2004-08-26 2010-08-11 住友ゴム工業株式会社 重荷重用空気入りタイヤ及びその製造方法
US7793692B2 (en) * 2005-10-31 2010-09-14 The Goodyear Tire & Rubber Company Pneumatic tire tread having sipe that devolves into groove as tread wears
JP5435877B2 (ja) * 2008-01-31 2014-03-05 株式会社ブリヂストン 空気入りタイヤ
US9022083B2 (en) * 2008-09-11 2015-05-05 Michelin Recherche Et Technique S.A. Variable surface area tire tread and tire
WO2010071883A1 (en) * 2008-12-19 2010-06-24 Michelin Recherche Et Technique S.A. Improved hydroplaning performance for a tire
FR2950565B1 (fr) * 2009-09-29 2012-08-31 Michelin Soc Tech Bande de roulement pour pneu de rigidite amelioree
DE102009044242A1 (de) * 2009-10-14 2011-05-05 Continental Reifen Deutschland Gmbh Laufstreifenprofil eines Fahrzeugluftreifens
WO2012111296A1 (ja) * 2011-02-14 2012-08-23 株式会社ブリヂストン 空気入りタイヤ
FR2983778B1 (fr) * 2011-12-09 2014-08-01 Michelin Soc Tech Pneumatique comportant une couche d'elements de renforcement circonferentiels
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

Also Published As

Publication number Publication date
CN108367614A (zh) 2018-08-03
WO2017103461A1 (fr) 2017-06-22
FR3045468B1 (fr) 2017-12-22
EP3390102A1 (fr) 2018-10-24
CN108367614B (zh) 2020-10-09
CA3003376A1 (fr) 2017-06-22
EP3390102B1 (fr) 2020-11-18
FR3045468A1 (fr) 2017-06-23
BR112018012358B1 (pt) 2021-10-05

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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.