Steel cord for reinforcing rubber article
US11685191B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 9, 2019 |
| Grant date | Jun 27, 2023 |
| Priority date | — |
| Expiry date | Dec 19, 2039 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2505/022
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Provided is a steel cord for rubber article reinforcement which has excellent corrosion resistance and productivity without deterioration of adhesion with rubber. A steel cord (1) for rubber article reinforcement, in which plural steel filaments (2) are twisted together, includes: a core having at least one core filament (2c); and a sheath having at least one sheath layer formed by twisting at least one sheath filament (2s) around the core. In this steel cord (1), brass plating is performed on the steel filaments (2) and zinc plating is further performed on the outer circumference of the brass plating of the core filament (2c), and the steel filaments (2) have a diameter d of 0.1 mm to 0.6 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.