Method of foreseeing tread wearing of a pneumatic tire

Details Method of foreseeing tread wearing of a pneumatic tire Method of foreseeing tread wearing of a pneumatic tire

1996-10-10

1998-09-01

Oer, William L.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

E01C 2300

Patent

active

058013040

ABSTRACT:
A method of foreseeing and controlling wearing in the tread of a tire based on the use of cuts of a limited depth (in the order of tenth parts of one millimeter) formed on the external surface of the tread, in the thickness of the elastomeric material. The cut is preferably made by a laser beam. Rotation of the tire on a road or on any other friction surface enables both the uneven wearing of the tread, highlighted by localized spots devoid of cuts, to be quickly verified by inspecting the maintenance state of the cuts. Also, and the wear rate of the tread can be drawn from calculation of the time, during the rotation, elapsing between the disappearance of two groups of cuts of different depth.

REFERENCES:
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patent: 3535536 (1970-10-01), Pernau
patent: 4028937 (1977-06-01), Crano
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patent: 4703788 (1987-11-01), Kusube et al.
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European Search Report, May 31, 1996.

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