FR3075693B1 - Pneumatique ayant un bourrelet optimise - Google Patents

Pneumatique ayant un bourrelet optimise Download PDF

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Publication number
FR3075693B1
FR3075693B1 FR1762694A FR1762694A FR3075693B1 FR 3075693 B1 FR3075693 B1 FR 3075693B1 FR 1762694 A FR1762694 A FR 1762694A FR 1762694 A FR1762694 A FR 1762694A FR 3075693 B1 FR3075693 B1 FR 3075693B1
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FR
France
Prior art keywords
carcass layer
equal
reinforcing elements
tire
saddle
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
FR1762694A
Other languages
English (en)
Other versions
FR3075693A1 (fr
Inventor
Olivier Muhlhoff
Emmanuel Brotons
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 FR1762694A priority Critical patent/FR3075693B1/fr
Publication of FR3075693A1 publication Critical patent/FR3075693A1/fr
Application granted granted Critical
Publication of FR3075693B1 publication Critical patent/FR3075693B1/fr
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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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
    • 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
    • B60C15/0027—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion with low ply turn-up, i.e. folded around the bead core and terminating at the 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
    • 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
    • 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
    • B60C2009/0276—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
    • 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
    • B60C2009/045—Tensile strength

Landscapes

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

Abstract

Pneumatique tel que, la couche de carcasse (4) a une résistance à rupture linéique au moins égale à 250 daN/cm, et tel que les éléments de renforcement de la couche de carcasse (4) sont les uniques éléments de renforcement textile radiaux radialement intérieurs au point (32) le plus axialement extérieur du pneumatique. Dans chaque bourrelet, la distance entre la tringle (22) et l'extrémité (44) de la couche de carcasse, est au plus égale à 30 mm. Les éléments de renforcement (45) de la couche de carcasse (4) sont en textile, de préférence de type polytéréphtalate d'éthylène ou rayonne, de type polyamide aliphatique, polyamide aromatique, combinaison de polyamide aliphatique et de polyamide aromatique. La composition de caoutchouc (46) entourant les éléments de renforcement (45) de la couche de carcasse (4) présente un module d'extension sécant MA10 à 10 % de déformation, mesuré à 23° C au moins égal à 1 et au plus égal à 15 MPa.
FR1762694A 2017-12-21 2017-12-21 Pneumatique ayant un bourrelet optimise Active FR3075693B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1762694A FR3075693B1 (fr) 2017-12-21 2017-12-21 Pneumatique ayant un bourrelet optimise

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1762694A FR3075693B1 (fr) 2017-12-21 2017-12-21 Pneumatique ayant un bourrelet optimise
FR1762694 2017-12-21

Publications (2)

Publication Number Publication Date
FR3075693A1 FR3075693A1 (fr) 2019-06-28
FR3075693B1 true FR3075693B1 (fr) 2020-01-10

Family

ID=61258470

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1762694A Active FR3075693B1 (fr) 2017-12-21 2017-12-21 Pneumatique ayant un bourrelet optimise

Country Status (1)

Country Link
FR (1) FR3075693B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008542129A (ja) * 2005-06-06 2008-11-27 ミシュラン ルシェルシュ エ テクニーク ソシエテ アノニム サイドウォール補強材を有するタイヤ
FR2952589B1 (fr) * 2009-11-13 2011-11-11 Michelin Soc Tech Bourrelet de pneu pour vehicule petit poids lourd.
FR2995251B1 (fr) * 2012-09-11 2014-08-29 Michelin & Cie Pneumatique comportant une armature de flanc supplementaire.

Also Published As

Publication number Publication date
FR3075693A1 (fr) 2019-06-28

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