Multiple hardness non-pneumatic tire
US9139045B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2008 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Feb 25, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C1/0025
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A non-pneumatic tire comprising one or more radial regions have differing Shore A/Shore D hardness. The non-pneumatic tire comprises side cavities that are staggered with respect to laterally opposing side cavities, and laterally extending tread grooves that are in substantial radial alignment with or substantially offset relative to the cavities. One radial region may comprising the side cavities, while another radial region with a different hardness comprises the tread grooves. Also provided are processes for making such tires and to off-the-road (OTR) vehicles employing such tires.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.