Method for measuring tire wear using intensity of reflected ligh

Details Method for measuring tire wear using intensity of reflected ligh Method for measuring tire wear using intensity of reflected ligh

1997-10-10

2000-02-15

Felber, Joseph L.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

G01M 1702

Patent

active

060239670

ABSTRACT:
A method of testing wear of tires is presented. It comprises applying a single layer of reflective paint to a tread surface by spraying, and then measuring the intensity of light reflected from a matrix of blocks on the unworn tire. The tire is then run for a short distance and the wear on the tire is assessed by measuring the intensity of light at each block compared to the intensity before the test run. The wear rate is clearly indicated by the changing levels of intensity of reflected light. Multiple colors or layers of paint are unnecessary. Tread wear can be measured with greater accuracy than achieved by other paint tests. The test run can be considerably shorter than test runs utilizing other methods.

REFERENCES:
patent: 5088321 (1992-02-01), Kajikawa et al.

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