Invention Grant
- Patent Title: Rubber reinforcing steel cord, manufacturing method of rubber reinforcing steel cord and pneumatic tire
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Application No.: US10157995Application Date: 2002-05-31
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Publication No.: US07152644B2Publication Date: 2006-12-26
- Inventor: Shinichi Miyazaki , Osamu Toda , Yasuo Sakai
- Applicant: Shinichi Miyazaki , Osamu Toda , Yasuo Sakai
- Applicant Address: JP Kobe JP Osaka
- Assignee: Sumitomo Rubber Industries, Ltd.,Sumitomo Electric Industries, Ltd.
- Current Assignee: Sumitomo Rubber Industries, Ltd.,Sumitomo Electric Industries, Ltd.
- Current Assignee Address: JP Kobe JP Osaka
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2001-166262 20010601
- Main IPC: B60C9/00
- IPC: B60C9/00 ; D07B1/06
Abstract:
A method of manufacturing a rubber reinforcing steel cord is provided, wherein the steel cord has a steel wire plated with metal containing copper and having on its surface an oil layer containing a cobalt compound, and includes an application step in which the oil containing a cobalt compound is applied to the steel wire or a steel cord plated with metal containing copper, and a step of twisting the steel wires.
Public/Granted literature
- US20020189735A1 Rubber reinforcing steel cord, manufacturing method of rubber reinforcing steel cord and pneumatic tire Public/Granted day:2002-12-19
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