Title:
空気入りタイヤの試験方法
Document Type and Number:
Japanese Patent JP7409439
Kind Code:
B2
Abstract:
To provide a pneumatic tire testing method capable of accurately reproducing tire tread groove cracks which occur in a market and reliably evaluating tire durability.SOLUTION: This pneumatic tire testing method includes: (a) a pretreatment step of holding a test tire filled with air having an internal pressure at a temperature of -45°C to -15°C. which is a melting point of wax contained in the test tire; (b) a running test step in which the test tire which has undergone the pretreatment step is rotated by a bench test device; and (c) an ozone treatment step in which the test tire which has passed the running test step is put to stand in an ozone atmosphere. After performing the step (a), the pneumatic tire testing method performs the steps (b) and (c) alternately in this order.SELECTED DRAWING: Figure 2
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Inventors:
Toyofusa Sakai
Hiroyuki Tatsumi
Yoshihiro Yamanouchi
Kazuyuki Niisato
Hiroyuki Tatsumi
Yoshihiro Yamanouchi
Kazuyuki Niisato
Application Number:
JP2022113104A
Publication Date:
January 09, 2024
Filing Date:
July 14, 2022
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
G01M17/02; B60C19/00
Domestic Patent References:
JP2015017861A | ||||
JP2014100977A | ||||
JP2017222780A | ||||
JP2006084290A | ||||
JP2012127921A | ||||
JP9133611A |
Attorney, Agent or Firm:
Patent Attorney Corporation Suncrest International Patent Office
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