Method of measuring the three-dimensional profile of a...

Details Method of measuring the three-dimensional profile of a... Method of measuring the three-dimensional profile of a...

2011-07-26

2011-07-26

Allen, Andre J (Department: 2855)

Measuring and testing

Tire, tread or roadway

Reexamination Certificate

active

07984646

ABSTRACT:
A method of measuring the profile, in three dimensions, of a pavement on which vehicles fitted with at least one tire may run. A first topographical measurement is carried out on site with a precision of at least one millimeter of an elementary surface of said pavement, then the points of contact between said surface and the tread of a given tire are defined and at least a second topographical measurement of said points of contact is carried out on site so as to obtain a three-dimensional representation, with a resolution of the order of one micron, of the microroughness of said points of contact.

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