Stainless steel wire for reinforcing the crown of tires
US5833771A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 11, 1997 |
| Grant date | Nov 10, 1998 |
| Priority date | — |
| Expiry date | Apr 11, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S72/70
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A stainless steel wire for reinforcing the crown (1) of tires (100), comping at least 0.02% and at most 0.2% carbon, at least 6% and at most 10% nickel, at least 16% and at most 20% chromium, the content of molybdenum of the steel being zero or at most equal to 5%, the total of the nickel, chromium and molybdenum being at least 23% and at most 28.5%, all these percentages being % by weight; the structure of the steel comprises at least 50% by volume martensite and it is without austenite or comprises less than 50% by volume thereof. Assemblies (620), reinforcement plies (62) and tires (100) comprising this wire. Process for preparing this wire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.