BR112021026912A2 - Pneumático para veículo pesado de tipo de engenharia civil com uma armadura de topo simplificada - Google Patents

Pneumático para veículo pesado de tipo de engenharia civil com uma armadura de topo simplificada

Info

Publication number
BR112021026912A2
BR112021026912A2 BR112021026912A BR112021026912A BR112021026912A2 BR 112021026912 A2 BR112021026912 A2 BR 112021026912A2 BR 112021026912 A BR112021026912 A BR 112021026912A BR 112021026912 A BR112021026912 A BR 112021026912A BR 112021026912 A2 BR112021026912 A2 BR 112021026912A2
Authority
BR
Brazil
Prior art keywords
layer
equal
gpa
civil engineering
rigid
Prior art date
Application number
BR112021026912A
Other languages
English (en)
Inventor
Emmanuel Clement
Sylvie Lhospitalier
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 BR112021026912A2 publication Critical patent/BR112021026912A2/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
    • B60C9/1835—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
    • 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
    • B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
    • 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
    • B60C9/005—Reinforcements made of different materials, e.g. hybrid or composite 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
    • 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
    • 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
    • B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
    • B60C2009/0021—Coating rubbers for steel 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
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C2009/0071—Reinforcements or ply arrangement of pneumatic tyres characterised by special physical properties of the reinforcements
    • B60C2009/0078—Modulus
    • 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
    • B60C2009/0071—Reinforcements or ply arrangement of pneumatic tyres characterised by special physical properties of the reinforcements
    • B60C2009/0085—Tensile strength
    • 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
    • B60C2009/0071—Reinforcements or ply arrangement of pneumatic tyres characterised by special physical properties of the reinforcements
    • B60C2009/0092—Twist structure
    • 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
    • B60C2009/1878—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers with flat cushions or shear layers between the carcass and the belt
    • 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
    • B60C2200/065—Tyres specially adapted for particular applications for heavy duty vehicles for construction vehicles

Landscapes

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

Abstract

pneumático para veículo pesado de tipo de engenharia civil com uma armadura de topo simplificada. a presente invenção tem como objeto um pneumático para veículo pesado de tipo de engenharia civil do qual a massa é otimizada sem degradação da resistência. o dito pneumático compreende uma armadura de topo (35), radialmente interior a uma banda de rodagem (10) e radialmente exterior a uma armadura de carcaça (50). a armadura de topo (35) compreendendo: - pelo menos uma camada (20), abaixo designada por camada de baixo módulo, formada por reforços metálicos elásticos que têm um alongamento estrutural pelo menos igual a 0,4 %, e um alongamento total em ruptura pelo menos igual a 3 %, e um módulo elástico em extensão compreendido entre 40 gpa e 130 gpa; - pelo menos uma camada (30), abaixo designada por camada rígida, formada por reforços metálicos rígidos, dos quais o alongamento estrutural é inferior ou igual a 0,2 % e dos quais o módulo elástico em extensão está compreendido entre 140 gpa e 200 gpa. a tensão de ruptura da camada rígida (30) é superior ou igual a 120 dan/mm; a relação da tensão de ruptura da camada rígida sobre aquela da camada de baixo módulo é superior ou igual a 1,2; a tensão de ruptura da camada de baixo módulo (20) é superior ou igual a 80 dan/mm; pelo menos uma camada de baixo módulo está em contato com pelo menos uma camada rígida ao longo de uma largura axial w pelo menos igual a 20 % da seção nominal do pneumático no sentido da norma etrto.
BR112021026912A 2019-07-23 2020-07-07 Pneumático para veículo pesado de tipo de engenharia civil com uma armadura de topo simplificada BR112021026912A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1908339A FR3099087B1 (fr) 2019-07-23 2019-07-23 Pneumatique pour vehicule lourd de type genie civil avec une armature sommet simplifiee
PCT/FR2020/051205 WO2021014065A1 (fr) 2019-07-23 2020-07-07 Pneumatique pour vehicule lourd de type genie civil avec une armature sommet simplifiee

Publications (1)

Publication Number Publication Date
BR112021026912A2 true BR112021026912A2 (pt) 2022-03-15

Family

ID=69375397

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021026912A BR112021026912A2 (pt) 2019-07-23 2020-07-07 Pneumático para veículo pesado de tipo de engenharia civil com uma armadura de topo simplificada

Country Status (6)

Country Link
US (1) US20220371369A1 (pt)
EP (1) EP4003758B1 (pt)
CN (1) CN114144317B (pt)
BR (1) BR112021026912A2 (pt)
FR (1) FR3099087B1 (pt)
WO (1) WO2021014065A1 (pt)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807475A (en) * 1971-03-17 1974-04-30 L Sperberg Bias ply tire with carcass reinforcements
FR2426580A1 (fr) * 1978-05-24 1979-12-21 Michelin & Cie Pneumatique a carcasse radiale
JPS6452505A (en) * 1987-08-21 1989-02-28 Sumitomo Rubber Ind Tire for motorbicycle
US5843583A (en) 1996-02-15 1998-12-01 N.V. Bekaert S.A. Cord with high non-structural elongation
BR9811296A (pt) * 1997-08-01 2000-08-29 Michelin & Cie Pneumático de armadura de carcaça radial
EP1597095B1 (fr) * 2003-02-17 2009-09-09 Société de Technologie Michelin Armature de sommet pour pneumatique radial
DE602004013324T2 (de) 2003-07-22 2009-07-09 N.V. Bekaert S.A. Hybridkord hoher dehnung
FR2897076B1 (fr) 2006-02-09 2008-04-18 Michelin Soc Tech Cable composite elastique pour pneumatique.
US8966872B2 (en) * 2010-12-10 2015-03-03 Nv Bekaert Sa Multi-strand steel cord with waved core strand
FR2995822B1 (fr) * 2012-09-26 2014-09-12 Michelin & Cie Sommet de pneumatique pour vehicule lourd de type genie civil
FR3000919B1 (fr) * 2013-01-11 2015-01-30 Michelin & Cie Pneumatique comportant une armature sommet allegee
FR3014745B1 (fr) * 2013-12-18 2017-02-10 Michelin & Cie Armature de sommet de pneumatique pour vehicule lourd de type genie civil
FR3033287B1 (fr) * 2015-03-05 2017-03-10 Michelin & Cie Armature de sommet de pneumatique pour vehicule lourd de type genie civil
FR3036319B1 (fr) * 2015-05-18 2017-05-05 Michelin & Cie Pneumatique comportant des couches de travail constituees de fils unitaires
FR3044967B1 (fr) * 2015-12-15 2017-12-22 Michelin & Cie Sommet de pneumatique pour vehicule lourd de type genie civil
FR3057207A1 (fr) * 2016-10-06 2018-04-13 Compagnie Generale Des Etablissements Michelin Armatures de carcasse et de sommet de pneumatique pour moto
FR3058929A1 (fr) * 2016-11-21 2018-05-25 Compagnie Generale Des Etablissements Michelin Sommet de pneumatique pour vehicule lourd de type genie civil
FR3064212A1 (fr) * 2017-03-22 2018-09-28 Compagnie Generale Des Etablissements Michelin Armature de sommet de pneumatique constituee d'une couche de sommet de travail et d'une couche d'elements circonferentiels

Also Published As

Publication number Publication date
CN114144317A (zh) 2022-03-04
FR3099087A1 (fr) 2021-01-29
EP4003758B1 (fr) 2023-10-11
CN114144317B (zh) 2023-10-20
US20220371369A1 (en) 2022-11-24
FR3099087B1 (fr) 2021-07-02
EP4003758A1 (fr) 2022-06-01
WO2021014065A1 (fr) 2021-01-28

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