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Pneumatic tire

A technology of pneumatic tires and tires, which is applied to tire parts, tire edges, tire sidewalls, etc., can solve the problems of tire side trauma resistance, rigid ride comfort, etc., so as to improve trauma resistance and Effects of rigidity, ride comfort improvement, and ground contact improvement

Inactive Publication Date: 2020-06-16
TOYO TIRE & RUBBER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the purpose of the above-mentioned conventional pneumatic tires is to suppress the rolling resistance, and the improvement of the damage resistance and rigidity of the side part of the tire, as well as the improvement of the ground performance and ride comfort have not been fully considered.

Method used

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  • Pneumatic tire
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Embodiment Construction

[0027] Hereinafter, embodiments according to the present invention will be described with reference to the drawings. Furthermore, the following description is merely an example in nature and is not intended to limit the invention, its applications, or its uses. In addition, the drawings are only schematic ones, and ratios of dimensions and the like may differ from actual ones.

[0028] figure 1 It is a meridian half cross-sectional view of the pneumatic tire according to the present embodiment. In this pneumatic tire, bead cores 1 are arranged on both sides in the tire width direction WD.

[0029] Although not shown in detail, one bead core 1 is constituted by repeatedly winding one bead wire (steel wire) a plurality of times to form a ring shape and bundling it. The bead cores 1 are arranged on both sides in the tire width direction, and the pneumatic tire is fixed to a rim flange of a wheel (not shown). In addition, the bead core 1 receives the cord tension of the carcas...

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Abstract

The invention provides a pneumatic tire which improves the anti-trauma performance, rigidity, grounding performance and riding comfort of the side part of the tire. The pneumatic tire includes a beadcore (1), a bead filler (2) located outside in a tire radial direction of the bead core (1), a carcass ply (3) laid over between bead cores and bead fillers (2) which are provided in a pair in the tire width direction respectively, a belt wound (4) on an outside in the tire radial direction of the carcass ply, a tread portion (6) located outside in the tire radial direction of the belt, and a sidewall portion (7) located outside in the tire width direction of the carcass ply (3). A thickness dimension of the tire side portion is set to increase as proceeding from a tire maximum width positiontoward an outside in the tire radial direction.

Description

technical field [0001] The present invention relates to a pneumatic tire. Background technique [0002] Conventionally, a pneumatic tire is known which includes: a carcass extending from a tread portion to a bead core of a bead portion via a sidewall portion; The belt ply is configured and arranged radially outside the carcass and inside the tread portion (for example, refer to Patent Document 1). [0003] However, the above-mentioned conventional pneumatic tires aim at suppressing the rolling resistance, and have not fully taken into account the improvement of the damage resistance and rigidity of the side portion of the tire, as well as the improvement of ground contact performance and ride comfort. [0004] Patent Document 1: Japanese Patent No. 4950616 Contents of the invention [0005] An object of the present invention is to provide a pneumatic tire capable of improving the damage resistance and rigidity of the side portion of the tire, as well as improving ground ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C15/00B60C15/04B60C15/06B60C13/00
CPCB60C13/00B60C15/0009B60C15/04B60C15/0603B60C2015/044B60C13/001B60C2013/007B60C2015/061B60C2015/0614B60C13/002B60C15/0607B60C2015/0617
Inventor 横枕圣二
Owner TOYO TIRE & RUBBER CO LTD