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WO2008073885A3 - Pneumatic run-flat tire - Google Patents

Pneumatic run-flat tire Download PDF

Info

Publication number
WO2008073885A3
WO2008073885A3 PCT/US2007/086966 US2007086966W WO2008073885A3 WO 2008073885 A3 WO2008073885 A3 WO 2008073885A3 US 2007086966 W US2007086966 W US 2007086966W WO 2008073885 A3 WO2008073885 A3 WO 2008073885A3
Authority
WO
WIPO (PCT)
Prior art keywords
tire
bead
flat tire
pneumatic run
sidewall
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.)
Ceased
Application number
PCT/US2007/086966
Other languages
French (fr)
Other versions
WO2008073885A2 (en
Inventor
Walter Dale Allen
Richard Frank Laske
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.)
Societe de Technologie Michelin SAS
Goodyear Tire and Rubber Co
Original Assignee
Societe de Technologie Michelin SAS
Goodyear Tire and Rubber Co
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 Societe de Technologie Michelin SAS, Goodyear Tire and Rubber Co filed Critical Societe de Technologie Michelin SAS
Publication of WO2008073885A2 publication Critical patent/WO2008073885A2/en
Publication of WO2008073885A3 publication Critical patent/WO2008073885A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
    • B60C15/0018—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion not folded around the bead core, e.g. floating or down 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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
    • B60C15/0072—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion with ply reverse folding, i.e. carcass layer folded around the bead core from the outside to the inside
    • 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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
    • B60C15/0081—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion the carcass plies folded around or between more than one bead core
    • 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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/02—Seating or securing beads on rims
    • B60C15/0236—Asymmetric bead seats, e.g. different bead diameter or inclination angle
    • 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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/02—Seating or securing beads on rims
    • B60C15/024—Bead contour, e.g. lips, grooves, or ribs
    • B60C15/0247—Bead contour, e.g. lips, grooves, or ribs with reverse bead seat inclination, i.e. the axially inner diameter of the bead seat is bigger than the axially outer diameter 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
    • 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
    • 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
    • B60C17/0018—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts two or more inserts in each sidewall portion

Landscapes

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

Abstract

A pneumatic run-flat tire has a bead configuration wherein the axially inner end is radially inward of the axially outer end of the bead. The side wall of the tire, from the bead region to the upper sidewall is reinforced to form a pillar support in the sidewall. The bead configuration and the pillar reinforcement enable the tire to lock itself onto a tire rim during low pressure operation and be self-supporting.
PCT/US2007/086966 2006-12-11 2007-12-10 Pneumatic run-flat tire Ceased WO2008073885A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87432506P 2006-12-11 2006-12-11
US60/874,325 2006-12-11

Publications (2)

Publication Number Publication Date
WO2008073885A2 WO2008073885A2 (en) 2008-06-19
WO2008073885A3 true WO2008073885A3 (en) 2008-07-31

Family

ID=39512428

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/086966 Ceased WO2008073885A2 (en) 2006-12-11 2007-12-10 Pneumatic run-flat tire

Country Status (1)

Country Link
WO (1) WO2008073885A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8205652B2 (en) 2008-12-12 2012-06-26 The Goodyear Tire & Rubber Company Self-supporting pneumatic tire with optimized ply line
JP6317165B2 (en) * 2014-04-14 2018-04-25 株式会社ブリヂストン Run flat tire
JP6766418B2 (en) * 2016-04-12 2020-10-14 住友ゴム工業株式会社 Pneumatic tires
FR3134345B1 (en) * 2022-04-08 2025-03-07 Michelin & Cie High load capacity pneumatic pressure monitored

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050236085A1 (en) * 2004-04-22 2005-10-27 Markoff Michael S Pneumatic run-flat tire
US7025846B2 (en) * 2000-12-22 2006-04-11 Pirelli Pneumatici S.P.A. Self-supporting tyre for vehicle wheels and method for manufacturing the same
US7059373B2 (en) * 2001-01-17 2006-06-13 Michelin Recherche Et Technique S.A. Tire with additional ring and bead having a seat inclined towards the outside

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7025846B2 (en) * 2000-12-22 2006-04-11 Pirelli Pneumatici S.P.A. Self-supporting tyre for vehicle wheels and method for manufacturing the same
US7059373B2 (en) * 2001-01-17 2006-06-13 Michelin Recherche Et Technique S.A. Tire with additional ring and bead having a seat inclined towards the outside
US20050236085A1 (en) * 2004-04-22 2005-10-27 Markoff Michael S Pneumatic run-flat tire

Also Published As

Publication number Publication date
WO2008073885A2 (en) 2008-06-19

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