A repair patch (70) is a repair patch to be attached to a tire and includes an indicator portion (31a) having color components to be extracted by a degradation state determination apparatus that includes a degradation state model and a color change database for determining a degradation state of the tire. The repair patch also includes a reinforcement portion (71) to be bonded to the tire to reinforce the tire. The indicator portion includes a medium layer having printed thereon an identifier and a color pattern having a plurality of colors applied to different positions, the plurality of colors having different sensitivities to a degradation factor.
REPAIR PATCH, PRE-CURED TREAD, AND TIRE
2025-06-12
Patent
Electronic Resource
English