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BR112018012359A2 - 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
BR112018012359A2
BR112018012359A2 BR112018012359A BR112018012359A BR112018012359A2 BR 112018012359 A2 BR112018012359 A2 BR 112018012359A2 BR 112018012359 A BR112018012359 A BR 112018012359A BR 112018012359 A BR112018012359 A BR 112018012359A BR 112018012359 A2 BR112018012359 A2 BR 112018012359A2
Authority
BR
Brazil
Prior art keywords
tire
layer
width measured
rolling resistance
resistance properties
Prior art date
Application number
BR112018012359A
Other languages
English (en)
Other versions
BR112018012359B1 (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 BR112018012359A2 publication Critical patent/BR112018012359A2/pt
Publication of BR112018012359B1 publication Critical patent/BR112018012359B1/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
    • B60C11/1236—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern
    • B60C11/125—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern arranged at the groove bottom
    • 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
    • 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 constituído por pelo menos duas partes (8, 9) a razão da largura medida no fundo da primeira parte (9) sobre a largura medida na superfície da banda de rodagem em um pneumático novo da dita pelo menos uma primeira parte sendo estritamente superior a 2, a razão da largura medida na superfície da banda de rodagem em um pneumático novo da segunda parte (8) sobre a largura medida no fundo da dita pelo menos uma segunda parte 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(d), anotado tan(d)max, da camada c sendo inferior a 0.100.
BR112018012359-5A 2015-12-16 2016-12-14 Pneumático que apresenta propriedades de desgaste e de resistência à rodagem melhoradas BR112018012359B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1562447 2015-12-16
FR1562447A FR3045466B1 (fr) 2015-12-16 2015-12-16 Pneumatique presentant des proprietes d'usure et de resistance au roulement ameliorees
PCT/FR2016/053407 WO2017103463A1 (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
BR112018012359A2 true BR112018012359A2 (pt) 2018-12-04
BR112018012359B1 BR112018012359B1 (pt) 2022-01-25

Family

ID=55361754

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018012359-5A BR112018012359B1 (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) EP3390104B1 (pt)
CN (1) CN108367616B (pt)
BR (1) BR112018012359B1 (pt)
CA (1) CA3003377A1 (pt)
FR (1) FR3045466B1 (pt)
WO (1) WO2017103463A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3104067A1 (fr) * 2019-12-04 2021-06-11 Compagnie Generale Des Etablissements Michelin Pneumatique à bande de roulement perfectionnée

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1185117B (it) * 1985-06-26 1987-11-04 Pirelli Pneumatico per ruote di veicoli con battistrada a bassa resistenza di rotolamento
JPH07172112A (ja) * 1993-12-21 1995-07-11 Bridgestone Corp 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
CA2428572C (fr) * 2000-11-13 2010-01-12 Michelin Recherche Et Technique S.A. Bande de roulement de pneumatique
EP1648719B1 (fr) * 2003-07-18 2009-09-16 Société de Technologie Michelin Pneumatique pour vehicules lourds
JP2005193815A (ja) * 2004-01-08 2005-07-21 Bridgestone Corp 空気入りタイヤ
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
JP5400521B2 (ja) * 2009-08-04 2014-01-29 株式会社ブリヂストン タイヤ
FR2950565B1 (fr) * 2009-09-29 2012-08-31 Michelin Soc Tech Bande de roulement pour pneu de rigidite amelioree
JP4996670B2 (ja) * 2009-11-10 2012-08-08 住友ゴム工業株式会社 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
FR3014022B1 (fr) * 2013-12-02 2016-07-08 Michelin & Cie Bande de roulement evolutive pour pneu

Also Published As

Publication number Publication date
CA3003377A1 (fr) 2017-06-22
BR112018012359B1 (pt) 2022-01-25
CN108367616B (zh) 2020-10-09
FR3045466A1 (fr) 2017-06-23
FR3045466B1 (fr) 2017-12-22
WO2017103463A1 (fr) 2017-06-22
CN108367616A (zh) 2018-08-03
EP3390104A1 (fr) 2018-10-24
EP3390104B1 (fr) 2020-10-14

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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]
B06A Patent application procedure suspended [chapter 6.1 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.