Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2023/276367
Kind Code:
A1
Abstract:
Provided is a pneumatic tire wherein organic fiber reinforcing layers 11, 12 are disposed on the tire-widthwise outer side of a steel reinforcing layer 10, each of the organic fiber reinforcing layers 11, 12 contains a plurality of organic fiber cords aligned in one direction, the organic fiber cords constituting the organic fiber reinforcing layers 11, 12 are oriented so as to cross each other between layers, an outer-diameter-side end part 11i of the organic fiber reinforcing layer 11 is positioned farther outward along the tire diameter than a wound-up end part 4e of a carcass layer 4, an outer-diameter-side end part 12i of the organic fiber reinforcing layer 12 is positioned farther inward along the tire diameter than the wound-up end part 4e of the carcass layer 4 and farther outward along the tire diameter than a line segment K, inner-diameter-side end parts 11i, 12i of the organic fiber reinforcing layers 11, 12 are both positioned farther inward along the tire width direction than a line segment J, a cord angle θA of the organic fiber reinforcing layer 11 is within the range 20°≤|θA|≤45° or 70°≤|θA|≤90°, and a cord angle θB of the organic fiber reinforcing layer 12 is within the range 20°≤|θB|≤45° or 70°≤|θB|≤90°.
Inventors:
NISHIO KOJI (JP)
Application Number:
PCT/JP2022/014789
Publication Date:
January 05, 2023
Filing Date:
March 28, 2022
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C15/06
Domestic Patent References:
| WO2020090363A1 | 2020-05-07 |
Foreign References:
| JPS62137207A | 1987-06-20 | |||
| JP2017114451A | 2017-06-29 |
Attorney, Agent or Firm:
SEIRYU PATENT PROFESSIONAL CORPORATION et al. (JP)
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