Patent ID: 7444892

Claim:
A Continuously Variable Transmission (CVT) belt inspection method comprising the steps of: trial use of a CVT belt which incorporates a testing device of an actual vehicle or actual vehicle equivalent; disassembly of said trial use CVT belt and detachment of a metal belt situated in an innermost circumference layer of said CVT belt; detection of an intermittent flaw along a circumferential direction of said metal belt inner circumference surface; and determining whether or not a repeating period of a flaw corresponds to a predetermined reference period when said intermittent flaw is detected, wherein a case of correspondence to said predetermined reference period determines the cause of a flaw as being an object attributable to an irregular-shaped area formed on a metal element saddle part which constitutes said CVT belt, and wherein a ease of non-correspondence to said predetermined reference period determines the cause of a flaw as being a substance attributable to an innocuous impurity which penetrated into said CVT belt.