The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 27, 2023
Filed:
Sep. 09, 2019
Bridgestone Corporation, Tokyo, JP;
Nobuhiro Ando, Tokyo, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
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 () for rubber article reinforcement, in which plural steel filaments () are twisted together, includes: a core having at least one core filament (); and a sheath having at least one sheath layer formed by twisting at least one sheath filament () around the core. In this steel cord (), brass plating is performed on the steel filaments () and zinc plating is further performed on the outer circumference of the brass plating of the core filament (), and the steel filaments () have a diameter d of 0.1 mm to 0.6 mm.