Measuring and testing – Tire – tread or roadway – Tire inflation testing installation
Patent
1991-12-16
1993-09-21
Woodiel, Donald O.
Measuring and testing
Tire, tread or roadway
Tire inflation testing installation
G01M 1702
Patent
active
052458679
ABSTRACT:
A method and apparatus for circumferentially measuring tread wear on a tire. A laser probe sequentially scans each of the ribs of a tire, obtaining data respecting the tread depth at various points therealong. This data is employed for each rib to determine heel-to-toe irregular wear of the lugs thereof and to also determine a total wear index indicative of the degree of wear of the lugs. The method and apparatus is also adapted to laterally scan the tire sidewall to obtain data therefrom for the ascertaining of anomalies therein.
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Dory Arthur J.
Fritschel Larry E.
Siegfried James F.
Sube H. James
Turner John L.
Bridgestone Corporation
Thomas David A.
Woodiel Donald O.
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