Method of inspecting tires for defects

Details Method of inspecting tires for defects Method of inspecting tires for defects

1989-04-12

1990-11-13

Woodiel, Donald O.

Measuring and testing

With fluid pressure

Leakage

73 49, 73146, G01M 304

Patent

active

049693506

ABSTRACT:
A method of inspecting a tire for defects by applying to an interior surface of a tire a coating of material which accentuates defects when influenced by predetermined electromagnetic wavelengths, and applying the predetermined electromagnetic wavelengths to an exterior surface of the coated tire whereby coating material which has migrated through a defect in the tire to the exterior is accentuated and thereby readily detected. Preferably the coating material fluoresces or brightens when subjected to ultraviolet light. The tire is preferably placed upon a hub, internally pressurized, and rotated incident to the inspecting operation. The coating material is also preferably a liquid admixture composed of the ultraviolet light accentuating material and a detergent, the tire is also dipped and rotated in a tank containing the liquid admixture, and the latter cleans the tire exterior incident to further inspection, recapping and subsequent sidewall painting.

REFERENCES:
patent: 4693118 (1987-09-01), Roberts

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