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1. WO2020090885 - A TIRE HAVING RECESSES IN BEAD AREA

Publication Number WO/2020/090885
Publication Date 07.05.2020
International Application No. PCT/JP2019/042571
International Filing Date 30.10.2019
IPC
B60C 15/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
15Tyre beads, e.g. ply turn-up or overlap
02Seating or securing beads on rims
B60C 15/06 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
15Tyre beads, e.g. ply turn-up or overlap
06Flipper strips, fillers, or chafing strips
CPC
B60C 15/02
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES
15Tyre beads, e.g. ply turn-up or overlap
02Seating or securing beads on rims
B60C 2015/0614
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES
15Tyre beads, e.g. ply turn-up or overlap
06Flipper strips, fillers, or chafing strips ; and reinforcing layers for the construction of the bead
0614characterised by features of the chafer or clinch portion, i.e. the part of the bead contacting the rim
Applicants
  • COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN [FR]/[FR]
Inventors
  • PROU Joris
  • BABAUD Jacques
Agents
  • WADA Yukihiro
Priority Data
2018-20392930.10.2018JP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A TIRE HAVING RECESSES IN BEAD AREA
(FR) PNEU AYANT DES ÉVIDEMENTS DANS UNE ZONE DE TALON
Abstract
(EN)
Present invention provides a tire comprising a pair of bead regions comprising an annular reinforcing structure and at least one carcass reinforcement which is anchored in the pair of bead regions, a protector portion positioned axially outward and radially inward from the annular reinforcing structure, the protector portion comprising a protector surface intended to come into contact with a rim flange and/or a rim sheet of a wheel rim, the protector portion being provided with at least 2 recessed portions recessed from the protector surface toward interior of the tire with a depth D, the at least 2 recessed portions having a minimum distance T between one another, Young's modulus E of a rubber composition constituting the protector portion is in a range from 1.5 to 6.0 MPa.
(FR)
La présente invention concerne un pneu comprenant une paire de régions de talon comprenant une structure de renforcement annulaire et au moins un renforcement de carcasse qui est ancré dans la paire de régions de talon, une partie de protection positionnée axialement vers l'extérieur et radialement vers l'intérieur à partir de la structure de renforcement annulaire, la partie de protection comprenant une surface de protection destinée à entrer en contact avec une bride de jante et/ou une feuille de jante d'une jante de roue, la partie de protection étant pourvue d'au moins 2 parties en retrait, en retrait depuis la surface de protection vers l'intérieur du pneu avec une profondeur D, les au moins 2 parties en retrait ayant une distance minimale T entre elles, le module de Young E d'une composition de caoutchouc constituant la partie de protection est dans une plage de 1,5 à 6,0 MPa.
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