Tire tread for a heavy-duty vehicle having improved resistance to attack
US12350971B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 19, 2021 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Nov 19, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C2200/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire tread (1) for a heavy-duty vehicle to improve resistance to attack by stones. The tread (1) in the new state having at least one complex cut (5) with, along a mean line (Lm), an alternation of external cavities (6), opening onto the tread surface (2), and internal cavities (7), not opening onto the tread surface (2), two consecutive cavities, respectively an external cavity (6) and an internal cavity (7), being connected to each other by a connecting channel (8) of non-zero length, the height (H11) of each external cavity (6) being at least equal to half the height (H) of the complex cut (5), the height (H3) of each connecting channel (8) being at most equal to one third of the height (H) of the complex cut (5).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.