Provided are a tire having a small difference in a loss tangent (tan´) at a tire tread outer surface position and that at a middle position, a tread for a retread tire having an even vulcanization degree in a whole tread rubber area, a tire having the tread for the retread tire, and a method for manufacturing the tire. The tire satisfies the following formula: - 0.05 ¤ tan´ a - tan´ b / tan´ b ¤ 0.05 , where (tan´ a ) represents a loss tangent of strain at 2 % at 25 °C in a portion (a) within 1 mm deep from a tire tread outer surface in a direction perpendicular to a tread surface, and (tan´ b ) represents a loss tangent of strain at 2% at 25 °C in a portion (b) within 2 mm from a median center between a tread portion outer surface and a bottom surface in the direction perpendicular to the tread surface.
METHOD FOR MANUFACTURING A RETREAD TIRE AND METHOD FOR MANUFACTURING A TREAD FOR A RETREAD TIRE
HERSTELLUNGSVERFAHREN FÜR EINEN RUNDERNEUTERTEN REIFEN UND HERSTELLUNGSVERFAHREN FÜR EINE LAUFFLÄCHE FÜR EINEN RUNDERNEUERTEN REIFEN
PROCÉDÉ DE FABRICATION D'UN PNEUMATIQUE RECHAPÉ ET PROCÉDÉ DE FABRICATION D'UNE BANDE DE ROULEMENT POUR UN PNEUMATIQUE RECHAPÉ
01.04.2020
Patent
Elektronische Ressource
Englisch
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