Patent ID: 11933715
Assignee: THE YOKOHAMA RUBBER CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A method, for evaluating ozone deterioration of a vulcanized rubber material, in which a test sample of a vulcanized rubber material is placed under a preset placement condition in a test tank having a predetermined ozone concentration and a change over time in a surface state of the test sample is determined, the method comprising:
acquiring image data, which is digital data, by capturing at a fixed point, over time, with at least one camera device, images of a surface of the test sample that has been placed in the test tank; and
determining a change in the surface state of the test sample between a plurality of points in time, based on the image data, to evaluate a change in ozone deterioration of the test sample.