BR112022025544A2 - Pneu autoportante para rodas de veículo - Google Patents

Pneu autoportante para rodas de veículo

Info

Publication number
BR112022025544A2
BR112022025544A2 BR112022025544A BR112022025544A BR112022025544A2 BR 112022025544 A2 BR112022025544 A2 BR 112022025544A2 BR 112022025544 A BR112022025544 A BR 112022025544A BR 112022025544 A BR112022025544 A BR 112022025544A BR 112022025544 A2 BR112022025544 A2 BR 112022025544A2
Authority
BR
Brazil
Prior art keywords
self
vehicle wheels
supporting tire
reinforcement inserts
flank reinforcement
Prior art date
Application number
BR112022025544A
Other languages
English (en)
Inventor
Agresti Simone
Hanel Thomas
Resmini Emiliano
Giannini Luca
Original Assignee
Pirelli
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
Priority claimed from IT102020000014512A external-priority patent/IT202000014512A1/it
Application filed by Pirelli filed Critical Pirelli
Publication of BR112022025544A2 publication Critical patent/BR112022025544A2/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
    • B60C5/00—Inflatable pneumatic tyres or inner tubes
    • B60C5/12—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim
    • B60C5/14—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim with impervious liner or coating on the inner wall 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
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/0009—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts
    • 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
    • B60C9/0042—Reinforcements made of synthetic materials
    • 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
    • B60C9/0064—Reinforcements comprising monofilaments
    • 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
    • B60C9/02—Carcasses
    • B60C9/04—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship
    • B60C9/08—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords extend transversely from bead to bead, i.e. radial ply
    • 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
    • B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
    • B60C2001/0033—Compositions of the sidewall inserts, e.g. for runflat
    • 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
    • B60C5/00—Inflatable pneumatic tyres or inner tubes
    • B60C5/12—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim
    • B60C5/14—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim with impervious liner or coating on the inner wall of the tyre
    • B60C2005/145—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim with impervious liner or coating on the inner wall of the tyre made of laminated 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
    • 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
    • B60C9/02—Carcasses
    • B60C2009/0269—Physical properties or dimensions of the carcass coating rubber
    • B60C2009/0284—Thickness
    • 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
    • B60C9/02—Carcasses
    • B60C9/04—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship
    • B60C2009/0416—Physical properties or dimensions of the carcass cords
    • B60C2009/0425—Diameters of the cords; Linear density thereof
    • 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
    • B60C9/02—Carcasses
    • B60C9/04—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship
    • B60C2009/0416—Physical properties or dimensions of the carcass cords
    • B60C2009/0441—Density in width direction
    • 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
    • B60C9/02—Carcasses
    • B60C9/04—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship
    • B60C2009/0416—Physical properties or dimensions of the carcass cords
    • B60C2009/0466—Twist structures
    • 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
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/0009—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts
    • B60C2017/0054—Physical properties or dimensions of the inserts
    • 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
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/0009—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts
    • B60C2017/0054—Physical properties or dimensions of the inserts
    • B60C2017/0063—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
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/0009—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts
    • B60C2017/0054—Physical properties or dimensions of the inserts
    • B60C2017/0072—Thickness

Landscapes

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

Abstract

PNEU AUTOPORTANTE PARA RODAS DE VEÍCULO. A presente invenção se refere a um pneu autoportante para rodas de veículo compreendendo uma estrutura de carcaça compreendendo pelo menos uma lona de carcaça tendo uma pluralidade de cabos de reforço híbridos (10), cada um compreendendo pelo menos dois cordões (20) torcidos entre si com uma inclinação de cordão predeterminada (P), em que cada um dos ditos pelo menos dois cordões (20) compreende pelo menos um filete têxtil de monofilamento (21) pelo menos parcialmente incorporado aos filamentos (22a) de pelo menos um fio têxtil de multifilamento (22) e um par de insertos de reforço de flanco (113), em que pelo menos um dos ditos insertos de reforço de flanco compreende um composto elastomérico vulcanizado que tem um valor de módulo de cisalhamento dinâmico "G" igual ou menor a 1,25 MPa medido a 70°C, 10 Hz, 9% de deformação conforme o método RPA relatado na presente descrição.
BR112022025544A 2020-06-17 2021-06-16 Pneu autoportante para rodas de veículo BR112022025544A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT102020000014512A IT202000014512A1 (it) 2020-06-17 2020-06-17 Pneumatico per ruote di veicoli
IT202000032204 2020-12-23
PCT/IB2021/055300 WO2021255658A1 (en) 2020-06-17 2021-06-16 Self-supporting tire for vehicle wheels

Publications (1)

Publication Number Publication Date
BR112022025544A2 true BR112022025544A2 (pt) 2023-01-03

Family

ID=76730920

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022025544A BR112022025544A2 (pt) 2020-06-17 2021-06-16 Pneu autoportante para rodas de veículo

Country Status (5)

Country Link
US (1) US20230219379A1 (pt)
EP (1) EP4168257A1 (pt)
CN (1) CN116249626A (pt)
BR (1) BR112022025544A2 (pt)
WO (1) WO2021255658A1 (pt)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3422873A (en) * 1967-07-24 1969-01-21 Firestone Tire & Rubber Co Tire cord
US3949798A (en) * 1974-04-23 1976-04-13 The Firestone Tire & Rubber Company Pneumatic tire
US6182728B1 (en) * 1999-06-04 2001-02-06 Hankook Tire Pneumatic run flat tire
RU2659994C1 (ru) * 2015-04-29 2018-07-04 Пирелли Тайр С.П.А. Вулканизированные эластомерные материалы для компонентов шин, содержащие модифицированные силикатные волокна, а также шины, выполненные из таких материалов
FR3056149A1 (fr) * 2016-09-19 2018-03-23 Compagnie Generale Des Etablissements Michelin Element de renfort, composite d'elastomere et pneumatique comprenant cet element de renfort
WO2019086785A1 (fr) * 2017-10-31 2019-05-09 Compagnie Generale Des Etablissements Michelin Pneumatique a flancs autoporteurs optimise
EP3898275B1 (en) * 2018-12-20 2023-07-19 Pirelli Tyre S.p.A. Tyre for vehicle wheels

Also Published As

Publication number Publication date
EP4168257A1 (en) 2023-04-26
WO2021255658A1 (en) 2021-12-23
CN116249626A (zh) 2023-06-09
US20230219379A1 (en) 2023-07-13

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