Tire wear test method

Measuring and testing – Tire – tread or roadway

Reexamination Certificate

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Reexamination Certificate

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07819000

ABSTRACT:
A method of tire wear test capable of testing tire wear precisely by appropriately setting running modes in a simple manner.Frequency distribution of acceleration in each of lateral direction and longitudinal direction is previously obtained during running on a test course. Also, external conditions generated on a tire mounted on a particular wheel of a test vehicle under particular running conditions are previously obtained. The external conditions are obtained being associated with the acceleration in each of lateral direction and longitudinal direction. Running modes are set up so that the external conditions are input to the tire in accordance with the frequency of acceleration corresponding to the external conditions. The tire is rolled on the simulation road surface based on the running modes to test the tire wear.

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Stalnaker and Turner, “Vehicle and Course Characterization Process for Indoor Tire Wear Simulation”, Tire and Science Technology, 30(2):100-121 (2002).
Information Offer Form submitted Dec. 18, 2008, in JP counterpart appln, for Item 17, above.
Written Opinion of the ISA (PCT/ISA/237) mailed Jun. 5, 2008.
Parekh et al., “Laboratory Tire Wear Simulation Process Using ADAMS Vehicle Model,” Society of Automotive Engineers Paper No. 9 61001 (1996).

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