FR3126923B1 - Pneumatique pour bus urbain comprenant une bande de roulement à adhérence améliorée - Google Patents

Pneumatique pour bus urbain comprenant une bande de roulement à adhérence améliorée Download PDF

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Publication number
FR3126923B1
FR3126923B1 FR2109489A FR2109489A FR3126923B1 FR 3126923 B1 FR3126923 B1 FR 3126923B1 FR 2109489 A FR2109489 A FR 2109489A FR 2109489 A FR2109489 A FR 2109489A FR 3126923 B1 FR3126923 B1 FR 3126923B1
Authority
FR
France
Prior art keywords
tire
tread
zigzag
equal
bus including
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR2109489A
Other languages
English (en)
Other versions
FR3126923A1 (fr
Inventor
Frédéric Domprobst
Paul Lacoste
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Generale des Etablissements Michelin SCA
Original Assignee
Compagnie Generale des Etablissements Michelin SCA
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 Compagnie Generale des Etablissements Michelin SCA filed Critical Compagnie Generale des Etablissements Michelin SCA
Priority to FR2109489A priority Critical patent/FR3126923B1/fr
Priority to EP22783362.1A priority patent/EP4399104A1/fr
Priority to CN202280060371.1A priority patent/CN117916105A/zh
Priority to PCT/FR2022/051665 priority patent/WO2023037064A1/fr
Publication of FR3126923A1 publication Critical patent/FR3126923A1/fr
Application granted granted Critical
Publication of FR3126923B1 publication Critical patent/FR3126923B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B60C11/0306—Patterns comprising block rows or discontinuous ribs
    • B60C11/0309—Patterns comprising block rows or discontinuous ribs further characterised by the groove cross-section
    • 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
    • B60C11/032—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
    • 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
    • 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
    • B60C2011/0355—Circumferential grooves 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
    • 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
    • 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
    • B60C2011/0374—Slant grooves, i.e. having an angle of about 5 to 35 degrees to the equatorial plane
    • 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
    • B60C2011/0374—Slant grooves, i.e. having an angle of about 5 to 35 degrees to the equatorial plane
    • B60C2011/0379—Slant grooves, i.e. having an angle of about 5 to 35 degrees 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
    • B60C11/12—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
    • B60C2011/1213—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe sinusoidal or zigzag 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

Landscapes

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

Abstract

La présente invention a pour objet un pneumatique (1) pour un véhicule lourd à usage urbain et vise à améliorer son adhérence. Selon l’invention, la bande de roulement (2) comprend au moins deux découpures larges, appelées rainures, en zigzag (41) et parallèles entre elles, chaque rainure en zigzag (41) est constituée par une alternance de portions longitudinales (411), parallèles à une direction longitudinale (XX’) du pneumatique, et de portions obliques (412), formant chacune, avec la direction longitudinale (XX’), un même angle A au moins égal à 15°, la profondeur de chaque rainure en zigzag (41) est au moins égale à 7 mm et l’angle de dépouille de chaque paroi délimitant chaque rainure en zigzag (41) est au moins égal à 10°. Figure pour l’abrégé : Fig. 1
FR2109489A 2021-09-10 2021-09-10 Pneumatique pour bus urbain comprenant une bande de roulement à adhérence améliorée Active FR3126923B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR2109489A FR3126923B1 (fr) 2021-09-10 2021-09-10 Pneumatique pour bus urbain comprenant une bande de roulement à adhérence améliorée
EP22783362.1A EP4399104A1 (fr) 2021-09-10 2022-09-05 Pneumatique pour bus urbain comprenant une bande de roulement a adherence amelioree
CN202280060371.1A CN117916105A (zh) 2021-09-10 2022-09-05 包括具有改进抓地力胎面的用于城市公共汽车的轮胎
PCT/FR2022/051665 WO2023037064A1 (fr) 2021-09-10 2022-09-05 Pneumatique pour bus urbain comprenant une bande de roulement a adherence amelioree

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2109489 2021-09-10
FR2109489A FR3126923B1 (fr) 2021-09-10 2021-09-10 Pneumatique pour bus urbain comprenant une bande de roulement à adhérence améliorée

Publications (2)

Publication Number Publication Date
FR3126923A1 FR3126923A1 (fr) 2023-03-17
FR3126923B1 true FR3126923B1 (fr) 2024-01-19

Family

ID=80446789

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2109489A Active FR3126923B1 (fr) 2021-09-10 2021-09-10 Pneumatique pour bus urbain comprenant une bande de roulement à adhérence améliorée

Country Status (4)

Country Link
EP (1) EP4399104A1 (fr)
CN (1) CN117916105A (fr)
FR (1) FR3126923B1 (fr)
WO (1) WO2023037064A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397344A (en) * 1981-05-29 1983-08-09 The Goodyear Tire & Rubber Company Tread for heavy-duty radial tires
DE102011052684A1 (de) * 2011-08-12 2013-02-14 Continental Reifen Deutschland Gmbh Fahrzeugluftreifen
FR3014022B1 (fr) * 2013-12-02 2016-07-08 Michelin & Cie Bande de roulement evolutive pour pneu
JP5981959B2 (ja) * 2014-06-27 2016-08-31 住友ゴム工業株式会社 空気入りタイヤ

Also Published As

Publication number Publication date
FR3126923A1 (fr) 2023-03-17
WO2023037064A1 (fr) 2023-03-16
EP4399104A1 (fr) 2024-07-17
CN117916105A (zh) 2024-04-19

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