Run flat tire
US-12358328-B2 · Jul 15, 2025 · US
Run flat radial tire
US2017008352A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2017008352-A1 |
| Application number | US-201515116218-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jan 13, 2015 |
| Priority date | Feb 3, 2014 |
| Publication date | Jan 12, 2017 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A run flat radial tire having a tire cross-section height of 115 mm or greater includes a carcass spanning between a pair of bead portions, a side reinforcing rubber layer that is provided to a tire side portion and that extends in a tire radial direction along an inner face of the carcass, and at least one inclined belt layer provided at a tire radial direction outside of the carcass and includes cord extending in a direction inclined to a tire circumferential direction. At least at one end portion side in the tire axial direction of a maximum width inclined belt layer having the largest width in the tire axial direction, the maximum width inclined belt layer and the side reinforcing rubber layer have an overlap width in the tire axial direction of 15% or greater of the tire axial direction width of the maximum width inclined belt layer.
First claim
Opening claim text (preview).
1 . A run flat radial tire having a tire cross-section height of 115 mm or greater, comprising: a carcass spanning between a pair of bead portions; a side reinforcing rubber layer that is provided to a tire side portion and that extends in a tire radial direction along an inner face of the carcass; and at least one inclined belt layer that is provided at a tire radial direction outside of the carcass, that comprises cord extending in a direction inclined to a tire circumferential direction, and in which, at least at one end portion side in the tire axial direction of a maximum width inclined belt layer having a largest width in the tire axial direction, the maximum width inclined belt layer and the side reinforcing rubber layer have an overlap width in the tire axial direction of 15% or greater of the tire axial direction width of the maximum width inclined belt layer. 2 . The run flat radial tire of claim 1 , wherein a thickness of the side reinforcing rubber layer as measured along a normal line to the carcass passing through a tire axial direction end portion of the maximum width inclined belt layer is 70% or greater of a thickness of the side reinforcing rubber layer at a maximum width position of the carcass. 3 . The run flat radial tire of claim 1 , wherein a thickness of the side reinforcing rubber layer as measured along a normal line to the carcass passing through a position at 11% of a tire axial direction width of the maximum width inclined belt layer to the inside of a tire axial direction end portion of the maximum width inclined belt layer is 30% or greater of a thickness of the side reinforcing rubber layer at a maximum width position of the carcass. 4 . The run flat radial tire of claim 1 , wherein a tire axial direction width of the maximum width inclined belt layer is 80% of a tire cross-section width or greater.
Assignees
Inventors
Classifications
- B60C17/0036Primary
comprising additional reinforcements · CPC title
- B60C17/0009Primary
comprising sidewall rubber inserts, e.g. crescent shaped inserts · CPC title
using lateral belt strips at belt edges, e.g. edge bands · CPC title
- B60C17/00Primary
Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor · CPC title
Height of the carcass terminal portion defined in terms of a numerical value or ratio in proportion to section height · CPC title
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- What does patent US2017008352A1 cover?
- A run flat radial tire having a tire cross-section height of 115 mm or greater includes a carcass spanning between a pair of bead portions, a side reinforcing rubber layer that is provided to a tire side portion and that extends in a tire radial direction along an inner face of the carcass, and at least one inclined belt layer provided at a tire radial direction outside of the carcass and inclu…
- Who is the assignee on this patent?
- Bridgestone Corp
- What technology area does this patent fall under?
- Primary CPC classification B60C17/0036. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Thu Jan 12 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). 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).