| 摘要 |
PROBLEM TO BE SOLVED: To provide a tire crack testing method which enables a reduction in facility cost while reproducing a crack that occurs in the market by testing indoors. SOLUTION: The method is the tire crack testing method for performing the crack test for a pneumatic tire 2 by using a drum tester. The method let the pneumatic tire travel on a rotary drum 1 in a condition that the pneumatic tire 2 receives a predetermined load, while the method injects ozone to the pneumatic tire 2. COPYRIGHT: (C)2008,JPO&INPIT
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