Patent · US Expired

Tire having a stainless steel carcass reinforcement

US6418994B1 · kind B1 · utility

10Cited by
26References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 1997
Grant dateJul 16, 2002
Priority date
Expiry dateJul 11, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12979
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The present invention provides a stainless steel wire for a carcass of a tire and a process for making such a wire. The wire comprises at least 0.02% and at most 0.2% carbon, at least 3% and at most 20% nickel, at least 12% and at most 28% chromium, the sum of the nickel and chromium being at least equal to 20% and at most 35% (% in weight). The structure of the steel comprises at least 20% in volume of martensite and it is devoid of austenite or it comprises less than 80% of it in volume.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.