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Title:
タイヤの評価方法
Document Type and Number:
Japanese Patent JP7456338
Kind Code:
B2
Abstract:
To provide an evaluation method of a tyre 2, capable of evaluating a displacement of a tyre 2 to a rim R accurately at a low cost.SOLUTION: An evaluation method includes: (1) a running-in process S2 of running a tyre 2 assembled to a rim R in a state with a load applied to the tyre 2 for a prescribed time to heat the tyre 2; (2) a confirmation process S3 of measuring a temperature of the tyre 2 to confirm a heating state of the tyre 2; (3) an actual running process S4 of running the tyre 2 further for a prescribed time to increase a displacement of the tyre 2 to the rim R; and (4) a measurement process S5 of measuring an amount of the displacement of the tyre 2 to the rim R. A reference temperature is set for determining whether or not to execute the actual running process S4, and the actual running process S4 is executed if the temperature of the tyre 2 measured at the confirmation process S3 is below the reference temperature.SELECTED DRAWING: Figure 3

Inventors:
Toyofusa Sakai
Katsuaki Yokoo
Masahiro Sakuragi
Hiroto Takenaka
Application Number:
JP2020156497A
Publication Date:
March 27, 2024
Filing Date:
September 17, 2020
Export Citation:
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Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
G01M17/02; B60C19/00
Domestic Patent References:
JP2008309723A
Foreign References:
US20180088005
Attorney, Agent or Firm:
Patent Attorney Corporation Suncrest International Patent Office