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Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2022/190841
Kind Code:
A1
Abstract:
Provided is a pneumatic tire having at least a tire inner cavity surface composed of a thermoplastic resin, wherein deformation of the tire accompanying heat generation during traveling is suppressed. The pneumatic tire has a tread part 2. At least the tire inner cavity surface 5 is composed of a thermoplastic resin. The tread part 2 includes a tread reinforcing layer 10 on the inner side in the tire radial direction from the center position of the thickness of the tread part 2. A plurality of grooves 11 are provided in the outermost surface of the tread part 2. A negative ratio, which is the ratio of the total opening area of the plurality of grooves (11) to the virtual ground contact area if the plurality of grooves (11) were all filled, is 20-50%.

Inventors:
MORITA KOKI (JP)
Application Number:
PCT/JP2022/007020
Publication Date:
September 15, 2022
Filing Date:
February 21, 2022
Export Citation:
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Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
B60C1/00; B60C5/14; B60C9/18; B60C9/20; B60C11/03
Foreign References:
JP2015036262A2015-02-23
JP2007022424A2007-02-01
JP2012091685A2012-05-17
JP2016193687A2016-11-17
JP2015217890A2015-12-07
Attorney, Agent or Firm:
SUMITOMO Shintaro (JP)
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