Tire sidewall composition and tire sidewall
US-2024392114-A1 · Nov 28, 2024 · US
Pneumatic tire
US9579929B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9579929-B2 |
| Application number | US-201414502365-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 30, 2014 |
| Priority date | May 27, 2011 |
| Publication date | Feb 28, 2017 |
| Grant date | Feb 28, 2017 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
The present invention provides a pneumatic tire having excellent durability. Provided is a pneumatic tire including a sidewall and a carcass, the sidewall being produced from a rubber composition for a sidewall which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composition for a sidewall and the rubber composition for a carcass topping satisfying a specific relationship. Provided is a pneumatic tire including a clinch and a carcass, the clinch being produced from a rubber composition for a clinch which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composition for a clinch and the rubber composition for a carcass topping satisfying a specific relationship.
First claim
Opening claim text (preview).
The invention claimed is: 1. A pneumatic tire comprising a sidewall and a carcass, the sidewall being produced from a rubber composition for a sidewall which contains a rubber component and has a sulfur content of greater than 1.41 parts by mass but less than 2.5 parts by mass per 100 parts by mass of the rubber component, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping which contains a rubber component, and the sulfur contents of the rubber composition for a sidewall and the rubber composition for a carcass topping satisfying the following relationship: −0.2<(the sulfur content per 100 parts by mass of the rubber component in the rubber composition for a carcass topping)-(the sulfur content per 100 parts by mass of the rubber component in the rubber composition for a sidewall) <1.1. 2. The pneumatic tire according to claim 1 , wherein the rubber composition for a sidewall has a sulfur content of greater than 1.61 parts by mass but less than 2.3 parts by mass per 100 parts by mass of the rubber component. 3. The pneumatic tire according to claim 1 , wherein the rubber composition for a carcass topping has a sulfur content of greater than 1.91 parts by mass but less than 3.5 parts by mass per 100 parts by mass of the rubber component. 4. The pneumatic tire according to claim 1 , wherein the rubber composition for a sidewall has a process oil content of 10 parts by mass or less per 100 parts by mass of the rubber component. 5. The pneumatic tire according to claim 1 , wherein the rubber composition for a sidewall has an alkylphenol-sulfur chloride condensate content of 0.2 to 6 parts by mass per 100 parts by mass of the rubber component. 6. The pneumatic tire according to claim 1 , wherein the rubber composition for a sidewall contains butadiene rubber synthesized using a rare-earth catalyst.
Assignees
Inventors
Classifications
Bead characterized by the chemical composition and or physical properties of elastomers or the like · CPC title
Compositions of the bead portions, e.g. clinch or chafer rubber or cushion rubber · CPC title
containing six-membered aromatic rings {(C08K5/3725 takes precedence)} · CPC title
Cross-Sectional Technologies · mapped topic
Compositions of unspecified rubbers · CPC title
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Frequently asked questions
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- What does patent US9579929B2 cover?
- The present invention provides a pneumatic tire having excellent durability. Provided is a pneumatic tire including a sidewall and a carcass, the sidewall being produced from a rubber composition for a sidewall which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composi…
- Who is the assignee on this patent?
- Sumitomo Rubber Ind
- What technology area does this patent fall under?
- Primary CPC classification B60C1/0025. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Feb 28 2017 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).