Tread reinforcing construction of pneumatic radial tire for heavy-load vehicles
US4235274A · kind A · utility
18Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 1979 |
| Grant date | Nov 25, 1980 |
| Priority date | — |
| Expiry date | Jan 2, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2925
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tread reinforcing construction of a pneumatic radial tire for heavy-load vehicles is disclosed. The tread reinforcing construction comprises a combination of a rubberized belt superimposed about a rubberized carcass ply and at least one additional rubberized reinforcing layer interposed between the belt and a tread rubber. The additional rubberized reinforcing layer is composed of a reinforcing element embedded therein and formed of a helically formed filament or a bundle of at least two helically formed filaments assembled together without twisting at random.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.