BR112018077416A2 - pneu para rodas de veículo para carga pesada. - Google Patents

pneu para rodas de veículo para carga pesada.

Info

Publication number
BR112018077416A2
BR112018077416A2 BR112018077416A BR112018077416A BR112018077416A2 BR 112018077416 A2 BR112018077416 A2 BR 112018077416A2 BR 112018077416 A BR112018077416 A BR 112018077416A BR 112018077416 A BR112018077416 A BR 112018077416A BR 112018077416 A2 BR112018077416 A2 BR 112018077416A2
Authority
BR
Brazil
Prior art keywords
segment
top surface
filler element
heavy duty
blocks
Prior art date
Application number
BR112018077416A
Other languages
English (en)
Other versions
BR112018077416B1 (pt
Inventor
Minoli Claudio
Lorenzetti Daniele
Pizzorno Tommaso
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
Application filed by Pirelli filed Critical Pirelli
Publication of BR112018077416A2 publication Critical patent/BR112018077416A2/pt
Publication of BR112018077416B1 publication Critical patent/BR112018077416B1/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
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • 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
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1353—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of 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
    • B60C11/0306—Patterns comprising block rows or discontinuous ribs
    • 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
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • 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
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1369—Tie bars for linking block elements and bridging the groove
    • 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
    • B60C2011/0337—Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339—Grooves
    • B60C2011/0341—Circumferential grooves
    • B60C2011/0346—Circumferential grooves with zigzag shape
    • 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
    • B60C2011/0337—Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339—Grooves
    • B60C2011/0341—Circumferential grooves
    • B60C2011/0348—Narrow grooves, i.e. having a width of less than 4 mm
    • 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
    • B60C2011/0337—Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339—Grooves
    • B60C2011/0358—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane
    • B60C2011/0365—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane characterised by width
    • 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
    • B60C2011/0337—Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339—Grooves
    • B60C2011/0358—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane
    • B60C2011/0367—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane characterised by depth
    • 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
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1353—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove bottom
    • B60C2011/1361—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove bottom with protrusions extending from 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
    • 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

pneu (1) para rodas de veículo para carga pesada, tendo uma banda de rodagem (8) compreendendo: - uma pluralidade de sulcos circunferenciais (3, 4, 5, 6); - uma pluralidade de sulcos transversais (15) estendendo-se dois sulcos circunferenciais axialmente consecutivos (3, 4, 5, 6), definindo assim uma pluralidade de blocos (21); - cada bloco (21) compreendendo uma superfície de topo radialmente externa (7) e tendo uma altura (m) medida entre dita superfície de topo e uma superfície de fundo de um respectivo sulco transversal (15); - ditos sulcos transversais (15) compreendendo um primeiro segmento (16) tendo uma largura l1 e um segundo segmento (17) tendo uma largura l2, onde l2<l1; - dito primeiro segmento (16) sendo pelo menos parcialmente delimitado por paredes de dois blocos circunferencialmente consecutivos (20, 21); - pelo menos um elemento de enchimento (18) contido dentro de dito primeiro segmento (16); - dito pelo menos um elemento de enchimento (18) tendo uma superfície de topo radialmente externa (19), localizada radialmente para dentro em relação à dita superfície de topo (7) do bloco a uma distância radial (d) entre 5% e 50% da altura (m) dos blocos (21); - uma área de superfície plana (a2) de dita superfície de topo (19) de dita pelo menos um elemento de enchimento (18) sendo maior do que 60% da área de superfície plana (a1) de dito primeiro segmento (16); - dito pelo menos um elemento de enchimento (18) sendo espaçado de ditas paredes (27, 28) ao longo de pelo menos 70% de seu perímetro (p).
BR112018077416-2A 2016-07-18 2017-07-04 Pneu para rodas de veículo para carga pesada BR112018077416B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT102016000074580 2016-07-18
IT102016000074580A IT201600074580A1 (it) 2016-07-18 2016-07-18 Pneumatico per ruote di veicoli pesanti
PCT/IB2017/054025 WO2018015832A1 (en) 2016-07-18 2017-07-04 Tyre for heavy load vehicle wheels

Publications (2)

Publication Number Publication Date
BR112018077416A2 true BR112018077416A2 (pt) 2019-07-16
BR112018077416B1 BR112018077416B1 (pt) 2022-11-22

Family

ID=57851132

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018077416-2A BR112018077416B1 (pt) 2016-07-18 2017-07-04 Pneu para rodas de veículo para carga pesada

Country Status (7)

Country Link
US (1) US11511571B2 (pt)
EP (1) EP3484722B1 (pt)
CN (1) CN109414964B (pt)
BR (1) BR112018077416B1 (pt)
IT (1) IT201600074580A1 (pt)
RU (1) RU2690791C1 (pt)
WO (1) WO2018015832A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6891556B2 (ja) * 2017-03-14 2021-06-18 住友ゴム工業株式会社 タイヤ
JP7177009B2 (ja) 2019-06-14 2022-11-22 株式会社ブリヂストン 空気入りタイヤ
JP7282628B2 (ja) * 2019-08-07 2023-05-29 Ｔｏｙｏ Ｔｉｒｅ株式会社 空気入りタイヤ
JP7265457B2 (ja) * 2019-09-19 2023-04-26 株式会社ブリヂストン 空気入りタイヤ
JP7399679B2 (ja) * 2019-10-29 2023-12-18 株式会社ブリヂストン 空気入りタイヤ
JP7352440B2 (ja) * 2019-10-29 2023-09-28 株式会社ブリヂストン 空気入りタイヤ
FR3117934A1 (fr) * 2020-12-17 2022-06-24 Compagnie Generale Des Etablissements Michelin Bande de roulement de pneumatique pour un véhicule lourd à robustesse améliorée
FR3117935A1 (fr) * 2020-12-17 2022-06-24 Compagnie Generale Des Etablissements Michelin Bande de roulement de pneumatique pour un véhicule lourd à robustesse améliorée
US11964854B2 (en) * 2021-11-02 2024-04-23 PolyTex Concrete LLC Fulcrum pry bar

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63106110A (ja) 1986-10-23 1988-05-11 Bridgestone Corp 重荷重用ラジアルタイヤ
JPH0220407A (ja) * 1988-07-09 1990-01-24 Sumitomo Rubber Ind Ltd 重車両用ラジアルタイヤ
JP2823903B2 (ja) * 1989-11-07 1998-11-11 株式会社ブリヂストン 重荷重用空気入りタイヤ
US6467517B1 (en) 1999-06-15 2002-10-22 Michelin Recherche Et Technique S.A. Tire having sacrificial bridging
JP5227355B2 (ja) * 2010-03-19 2013-07-03 住友ゴム工業株式会社 重荷重用タイヤ
US20120080130A1 (en) * 2010-10-01 2012-04-05 Daniel Scheuren Reinforced tire tread
US9278582B2 (en) * 2010-12-21 2016-03-08 Bridgestone Americas Tire Operations, Llc Tire tread having developing grooves
JP6242294B2 (ja) * 2013-06-10 2017-12-06 東洋ゴム工業株式会社 空気入りタイヤ
CN105555549B (zh) * 2013-10-04 2017-10-31 住友橡胶工业株式会社 充气轮胎
JP6261454B2 (ja) * 2014-06-13 2018-01-17 東洋ゴム工業株式会社 空気入りタイヤ
JP6348868B2 (ja) * 2015-04-09 2018-06-27 住友ゴム工業株式会社 空気入りタイヤ

Also Published As

Publication number Publication date
IT201600074580A1 (it) 2018-01-18
RU2690791C1 (ru) 2019-06-05
CN109414964A (zh) 2019-03-01
BR112018077416B1 (pt) 2022-11-22
US20190225030A1 (en) 2019-07-25
US11511571B2 (en) 2022-11-29
WO2018015832A1 (en) 2018-01-25
EP3484722B1 (en) 2020-09-02
EP3484722A1 (en) 2019-05-22
CN109414964B (zh) 2019-11-29

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Legal Events

Date Code Title Description
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B350 Update of information on the portal [chapter 15.35 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 04/07/2017, OBSERVADAS AS CONDICOES LEGAIS