Truck tire tread with J shaped sipe
US12138964B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2019 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Jun 7, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C2200/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tread (10) for a heavy truck tire is provided that has an upper surface for engaging the ground, a leading edge, and a trailing edge forward of the leading edge in a rolling direction. The tread also has a J shaped sipe (30) that has a main portion (32) that extends from the upper surface. The main portion (32) has an opening at the upper surface and a bottom end (36) opposite the opening in a radial direction. A curved portion (38) extends from the bottom end (36) and has a bottom curved wall (40) that has a radius (r1). The curved portion (38) extends from the bottom end (36) forward in the rolling direction (24), and has a curved portion end (42).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.