PNEUMATIC TIRE

At least two circumferential main grooves (61, 62) and three land portions (63, 64, 65) are formed in a tread portion of a pneumatic tire (1) on each side of a tire equatorial plane. In a cross section in a tire meridian direction of the pneumatic tire (1), profile lines of the land portions (63, 64...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	EBIKO, MASAHIRO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DEVICES OR ARRANGEMENTS RELATED TO TYRES PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	At least two circumferential main grooves (61, 62) and three land portions (63, 64, 65) are formed in a tread portion of a pneumatic tire (1) on each side of a tire equatorial plane. In a cross section in a tire meridian direction of the pneumatic tire (1), profile lines of the land portions (63, 64, 65) form arcs, and extension lines of profile lines of adjacent land portions (63, 64, and 64, 65) intersect with inflection points (Pa, Pb) in the circumferential main grooves (61, 62). Tensile strength of a reinforcing layer (8) in areas of the land portions (63, 64, 65) is larger than that in an area of the circumferential main grooves (61, 62) having the inflection points (Pa, Pb).