pneumatic tires
The tire design with a reinforcing rubber layer configuration enhances bead durability by distributing strain and reducing contact steps, improving rigidity and stability for high-load applications.
JP7838323B2Active Publication Date: 2026-04-01SUMITOMO RUBBER INDUSTRIES LTD
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Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2022-03-09
- Publication Date
- 2026-04-01
Abstract
To further improve bead durability.SOLUTION: A pneumatic tire 1 comprises a bead part 4. In the bead part 4 is arranged a reinforced rubber part 10 adjacently to outside in a tire axial direction of a carcass ply 6A. The reinforced rubber part 10 includes an inner rubber layer 11 and an outer rubber layer 12. An outer end (e) of the outer rubber layer 12 is positioned closer to outside in a tire radial direction than an outer end 11e of the inner rubber layer 11.SELECTED DRAWING: Figure 2
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Citation Information
Patent Citations
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