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US 4,906,680 AGranted
Rubber composition and steel cord-rubber composite body
AssigneeBridgestone Corporation
InventorsTadahiro Umeda, Hitoshi Kondo, Teiichiro Kadoguchi, Michitaka Takeshita
Life of this patent
Estimating the term…
Abstract
A particular organic boron compound is compounded with rubber or applied to the surface of the steel cord in order to improve the resistance to corrosion fatigue of steel cord as a reinforcement for rubber articles with holding good adhesion properties to rubber.
Claims4
A steel cord-rubber composite body produced by adhering rubber to steel cord and vulcanizing it, characterized in that a rust preventive treating agent consisting of at least one organic boron compound represented by the following general formula:
- ##STR3## wherein each of R.sub.1, R.sub.2 and R.sub.3 is an alkyl group having a carbon number of 7.about.21 and may be substituted with a hydroxyl group, is formed as a protective layer on the surface of the steel cord.
Dependencies are inferred from the claim text.