Nondestructive testing of tire wear

Details Nondestructive testing of tire wear Nondestructive testing of tire wear

1976-08-24

1977-06-14

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

G01M 1702

Patent

active

040289370

ABSTRACT:
A method and apparatus are provided for qualitatively determining relative tire wear of pneumatic tires. The shoulder ribs and adjacent ribs of the tire tread of the tire are radially, preferably statically loaded preferably against a movable follower member positioned in an opening in a bearing surface against which the remaining tire tread is radially loaded. The follower member is pivoted to prevent motion radial to the tire and attached to deflection members on which are mounted at least one strain gauge. The lateral deflection of the tread ribs adjacent to the shoulder portions are thus measured. Tires associated with the greater of the lateral deflection under radial load have a correspondingly greater wear rate.

REFERENCES:
patent: 2313156 (1943-03-01), Kraft, Jr.
patent: 3735344 (1973-05-01), Weintraub et al.

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