Pneumatic tire
US8336593B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 19, 2007 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Sep 25, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C2009/2029
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
There is provided a pneumatic tire capable of improving high-speed durability and noise characteristics.The pneumatic tire has a belt-reinforcing structure 10 radially outwardly of belt plies 8 and 9, the belt-reinforcing structure 10 having organic fiber cords n spirally wound in the circumferential direction T of the tire. The belt-reinforcing structure 10 has an end reinforcement layer 10B disposed radially outwardly of each end region BE of the belt plies 8 and 9. The end reinforcement layer 10B has a two-layer structure in which its organic fiber cord nb formed of a hybrid cord is spirally wound from the axially inner side of the tire toward the axially outer side of the tire, is turned in an opposite direction at an edge 10e of the belt-reinforcing structure and is spirally wound from the axially outer side of the tire toward the axially inner side of the tire, and in which the opposite edges of the organic fiber cord nb are away inwardly in the axial direction of the tire from the edge 10e of the belt-reinforcing structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.