| 摘要 |
A multilayer adhesive strip is adhered to the tread of an automobile or other vehicle tire transversely of the tread and generally axially of the wheel. Each layer has a different color, and wear on one part of the strip faster than another will expose a different color or colors that will indicate the wear pattern. Thin easily worn material may indicate the pattern in a mile or two of driving whereas thicker or tougher strips give results over a longer period of use. For example, differential wear in the center indicates over-inflation, differential wear at both ends indicates under-inflation, and differential wear at one end of the strip indicates wheel misalignment.
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