FR3133339B1 - Pneumatic with simplified carcass reinforcement - Google Patents

Pneumatic with simplified carcass reinforcement Download PDF

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Publication number
FR3133339B1
FR3133339B1 FR2202152A FR2202152A FR3133339B1 FR 3133339 B1 FR3133339 B1 FR 3133339B1 FR 2202152 A FR2202152 A FR 2202152A FR 2202152 A FR2202152 A FR 2202152A FR 3133339 B1 FR3133339 B1 FR 3133339B1
Authority
FR
France
Prior art keywords
length
carcass
tire
carcass reinforcement
pneumatic
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
FR2202152A
Other languages
French (fr)
Other versions
FR3133339A1 (en
Inventor
Sylvere Maillard
Mathieu Vandaele
Lopez Jose Merino
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 FR2202152A priority Critical patent/FR3133339B1/en
Priority to PCT/EP2023/054667 priority patent/WO2023169837A1/en
Publication of FR3133339A1 publication Critical patent/FR3133339A1/en
Application granted granted Critical
Publication of FR3133339B1 publication Critical patent/FR3133339B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/02—Carcasses
    • B60C9/0207—Carcasses comprising an interrupted ply, i.e. where the carcass ply does not continuously extend from bead to bead but is interrupted, e.g. at the belt area, into two or more portions of the same 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
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/02—Carcasses
    • B60C9/0238—Carcasses characterised by special physical properties of the carcass 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
    • B60C15/0054—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion with ply turn-up portion parallel and adjacent to carcass main portion
    • 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
    • B60C2009/0035—Reinforcements made of organic materials, e.g. rayon, cotton or silk
    • 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
    • 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
    • B60C2009/0475—Particular materials of the carcass 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
    • 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
    • B60C2015/0614—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead characterised by features of the chafer or clinch portion, i.e. the part of the bead contacting the rim
    • 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
    • B60C2015/0617—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a cushion rubber other than the chafer or clinch rubber
    • B60C2015/0621—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a cushion rubber other than the chafer or clinch rubber adjacent to the carcass turnup portion

Landscapes

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

Abstract

L’invention concerne un pneumatique (1) conçu pour avoir une fabrication standardisée de son armature de carcasse (40) comprenant deux couches de carcasse (41, 42). Le pneumatique (1) est défini de manière à ce que la même longueur de la deuxième couche de carcasse (42) puisse être utilisée pour plusieurs dimensions pneumatiques différentes. Pour cela, la longueur de la courbe d’équilibre (60) reliant le centre d’une première tringle au centre d’une deuxième tringle est utilisée comme longueur de la deuxième couche de carcasse (42). Cette longueur est ensuite ajustée en prenant des valeurs prédéfinies jusqu’à une limite de réduction de 60 mm de la longueur de la courbe d’équilibre. Les distances entre chacune des extrémités de la deuxième couche de carcasse (42) aux droites axiales (TT’) passant les centres des tringles doivent être inférieures à 30 mm. Figure de l’abrégé : figure 1The invention relates to a tire (1) designed to have a standardized manufacturing of its carcass reinforcement (40) comprising two carcass layers (41, 42). The tire (1) is defined in such a way that the same length of the second carcass layer (42) can be used for several different tire sizes. For this, the length of the balance curve (60) connecting the center of a first bead to the center of a second bead is used as the length of the second carcass layer (42). This length is then adjusted by taking predefined values up to a reduction limit of 60 mm in the length of the balance curve. The distances between each of the ends of the second carcass layer (42) to the axial straight lines (TT’) passing the centers of the rods must be less than 30 mm. Abstract Figure: Figure 1

FR2202152A 2022-03-11 2022-03-11 Pneumatic with simplified carcass reinforcement Active FR3133339B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2202152A FR3133339B1 (en) 2022-03-11 2022-03-11 Pneumatic with simplified carcass reinforcement
PCT/EP2023/054667 WO2023169837A1 (en) 2022-03-11 2023-02-24 Pneumatic tyre with simplified carcass reinforcement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2202152 2022-03-11
FR2202152A FR3133339B1 (en) 2022-03-11 2022-03-11 Pneumatic with simplified carcass reinforcement

Publications (2)

Publication Number Publication Date
FR3133339A1 FR3133339A1 (en) 2023-09-15
FR3133339B1 true FR3133339B1 (en) 2024-03-15

Family

ID=82780923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2202152A Active FR3133339B1 (en) 2022-03-11 2022-03-11 Pneumatic with simplified carcass reinforcement

Country Status (2)

Country Link
FR (1) FR3133339B1 (en)
WO (1) WO2023169837A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1124766A (en) * 1955-05-13 1956-10-17 Mft Fr Pneumatiques Michelin Improvement of tire beads
FR2267211B1 (en) 1974-04-11 1976-12-17 Michelin & Cie
MX151927A (en) 1980-03-24 1985-05-03 Goodyear Tire & Rubber RADIAL PNEUMATIC TIRE IMPROVEMENTS
RU2005124278A (en) 2002-12-30 2006-01-20 Сосьете Де Текноложи Мишлен (Fr) DEVICE FOR TIRE ASSEMBLY AND METHOD OF ITS ASSEMBLY
FR3029840B1 (en) * 2014-12-16 2018-04-20 Compagnie Generale Des Etablissements Michelin PNEUMATIC COMPRISING A CARCASE FRAME FORMED OF TWO LAYERS
FR3086206B1 (en) * 2018-09-20 2020-08-28 Michelin & Cie PNEUMATIC CONTAINING A CARCASS REINFORCEMENT FORMED BY A SINGLE LAYER OF TEXTILE REINFORCEMENT ELEMENTS

Also Published As

Publication number Publication date
FR3133339A1 (en) 2023-09-15
WO2023169837A1 (en) 2023-09-14

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