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1. WO2020065904 - A TIRE WITH A TEXTURE IN A GROOVE

Publication Number WO/2020/065904
Publication Date 02.04.2020
International Application No. PCT/JP2018/036177
International Filing Date 28.09.2018
IPC
B60C 11/24 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
11Tyre tread bands; Tread patterns; Anti-skid inserts
24Wear-indicating arrangements
B60C 11/13 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
11Tyre tread bands; Tread patterns; Anti-skid inserts
03Tread patterns
13characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
CPC
B60C 11/13
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES
11Tyre tread bands; Tread patterns; Anti-skid inserts
03Tread patterns
13characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
B60C 11/24
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES
11Tyre tread bands; Tread patterns; Anti-skid inserts
24Wear-indicating arrangements
B60C 2011/0341
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES
11Tyre tread bands; Tread patterns; Anti-skid inserts
03Tread patterns
0337characterised by particular design features of the pattern
0339Grooves
0341Circumferential grooves
B60C 2011/1338
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES
11Tyre tread bands; Tread patterns; Anti-skid inserts
03Tread patterns
13characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
1307with special features of the groove walls
1338comprising protrusions
B60C 2011/1361
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES
11Tyre tread bands; Tread patterns; Anti-skid inserts
03Tread patterns
13characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
1353with special features of the groove bottom
1361with protrusions extending from the groove bottom
Applicants
  • COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN [FR]/[FR]
Inventors
  • NOMURA Masayoshi
  • SEII Tomohiro
Agents
  • WADA Yukihiro
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A TIRE WITH A TEXTURE IN A GROOVE
(FR) PNEU AVEC UNE TEXTURE DANS UNE RAINURE
Abstract
(EN)
Present invention provides a tread for a tire having a contact face and comprising a plurality of repeating design units successively placed in circumferential orientation, the plurality of repeating design unites having at least two different circumferential length, each the plurality of repeating design units comprising at least one principal groove, the principal groove comprising two opposed wall surfaces being connected by bottom surface, at least four repeating design units comprising a wear indicating mean in the principal groove provided as to decrease a depth of the principal groove at least partly, the principal groove in the repeating design units without the wear indicating mean is provided with a texture comprises a plurality of elements that protrude from and/or are recessed into two opposed wall surfaces and/or the bottom surface, the principal groove in the repeating design units containing the wear indicating mean is devoid of the texture.
(FR)
La présente invention concerne une bande de roulement pour un pneu ayant une face de contact et comprenant une pluralité d'unités de tracé répétitives placées successivement dans une orientation circonférentielle, la pluralité d'unités de tracé répétitives ayant au moins deux longueurs circonférentielles différentes, chacune de la pluralité d'unités de tracé répétitives comprenant au moins une rainure principale, la rainure principale comprenant deux surfaces de paroi opposées qui sont reliées par une surface inférieure, au moins quatre unités de tracé répétitives comprennent un moyen indicateur d'usure dans la rainure principale disposé de façon à réduire au moins partiellement une profondeur de la rainure principale, la rainure principale dans les unités de tracé répétitives sans le moyen indicateur d'usure est pourvue d'une texture comprenant une pluralité d'éléments qui font saillie depuis et/ou sont évidés dans deux surfaces de paroi opposées et/ou la surface inférieure, la rainure principale dans les unités de tracé répétitives contenant le moyen indicateur d'usure est dépourvue de la texture.
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