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 simplificadaInfo
- 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
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
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- 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.
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)
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 |
-
2019
- 2019-07-23 FR FR1908339A patent/FR3099087B1/fr active Active
-
2020
- 2020-07-07 US US17/628,799 patent/US20220371369A1/en active Pending
- 2020-07-07 EP EP20750699.9A patent/EP4003758B1/fr active Active
- 2020-07-07 CN CN202080053277.4A patent/CN114144317B/zh active Active
- 2020-07-07 WO PCT/FR2020/051205 patent/WO2021014065A1/fr unknown
- 2020-07-07 BR BR112021026912A patent/BR112021026912A2/pt unknown
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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