Organosilyl polysulfides, and rubber mixtures containing same
US-2024239990-A1 · Jul 18, 2024 · US
Rubber compositions for bead apex, sidewall packing, base tread, breaker cushion, steel cord topping, strip adjacent to steel cords, tie gum, and sidewall, and pneumatic tires
US9023928B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9023928-B2 |
| Application number | US-201314073926-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 7, 2013 |
| Priority date | Nov 8, 2012 |
| Publication date | May 5, 2015 |
| Grant date | May 5, 2015 |
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Abstract
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The present invention provides a rubber composition that improves in terms of the fuel economy of a rubber composition containing an isoprene-based rubber and also offers favorable durability and favorable processability or adhesion to steel cords, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for a bead apex, sidewall packing, base tread, or breaker cushion, including: a specific rubber component; a specific amount of a specific carbon black; a specific amount of sulfur; and a specific amount of a compound represented by formula (I) below. The present invention also relates to a rubber composition for a steel cord topping, strip adjacent to steel cords, or tie gum, including: a specific rubber component; a specific amount of a specific carbon black; a specific amount of an organic acid cobalt salt; and a specific amount of a compound represented by the formula (I).
First claim
Opening claim text (preview).
The invention claimed is: 1. A pneumatic tire, comprising: at least one of a topped steel cord component, a strip adjacent to steel cords, and a tie gum, each formed from a rubber composition comprising: a rubber component; a carbon black having a nitrogen adsorption specific surface area of 20 to 130 m 2 /g; an organic acid cobalt salt; and a compound represented by formula (I),…
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- What does patent US9023928B2 cover?
- The present invention provides a rubber composition that improves in terms of the fuel economy of a rubber composition containing an isoprene-based rubber and also offers favorable durability and favorable processability or adhesion to steel cords, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for a bead apex, sidewall packing, ba…
- Who is the assignee on this patent?
- Sumitomo Rubber Ind
- What technology area does this patent fall under?
- Primary CPC classification C08K13/02. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue May 05 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).