High-durable pneumatic radial tires
US4520857A · kind A · utility
3Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1983 |
| Grant date | Jun 4, 1985 |
| Priority date | — |
| Expiry date | Nov 8, 2003 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD07B2205/3035
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A high-durable pneumatic radial tire is disclosed. In the tire of this type, steel cords each made from particular steel filaments are used in at least one of belt and carcass. This steel filament has a pearlite structure having an average value of interlamellar distance between cementites of 300-500 .ANG., and a tensile strength of not less than 220 kgf/mm.sup.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.