Tire with tread for uniform wear and low noise
JP2025531556A5Pending Publication Date: 2026-07-13MICHELIN & CO (CIE GEN DES ESTAB MICHELIN)
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Patent Information
- Application Number
- JP2025518843
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2022-10-03
- Filing Date
- 2023-09-25
- Publication Date
- 2026-07-13
AI Technical Summary
Technical Problem
Existing passenger vehicle tires exhibit uneven tread wear between the first and second axial sides, leading to premature tire replacement despite significant remaining wearable material.
Method used
The tire design incorporates specific transverse and lateral cuts with controlled dimensions and distributions to equalize the stiffness of the axial sides, reducing noise and ensuring uniform tread wear by immobilizing blocks and dispersing acoustic energy.
Benefits of technology
The solution extends the tire's service life by achieving uniform wear and reducing noise generation, while maintaining performance characteristics.
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Smart Images
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Abstract
The present invention relates to a tire (10) provided with first and second main transverse cuts (81, 82) with N1 < N2, extending over an axial width that is 50% or more of the axial width of each of the first and second axial side portions (P1, P2) and having a depth that is 50% or more of the height of the tread pattern of the tire (10). At least 50% of the first main transverse cut (81) and at least 50% of the second main transverse cut (82) have a width of 0.50 mm or less in at least one region. There is at least one central rib j (63, 64) provided with main transverse cuts (73, 74) with Mj > 1 provided in the central rib j such that N1 < Mj < N2.
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