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Pneumatic tire

A technology of pneumatic tires and tires, applied in pneumatic tires, reinforcement layers of pneumatic tires, special tires, etc., can solve problems such as deterioration of comfort

Inactive Publication Date: 2010-10-13
BRIDGESTONE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the pneumatic tire disclosed in Patent Document 2, compared with a pneumatic tire with a larger tire size, although the tire rigidity is increased to improve the steering stability, the comfort is deteriorated.

Method used

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  • Pneumatic tire
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Examples

Experimental program
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Effect test

Embodiment Construction

[0030] Hereinafter, an example of the pneumatic tire of the present invention will be described with reference to the drawings. In addition, in the following reference signs, the same or similar reference signs are assigned to the same or similar parts. However, the drawings are schematic diagrams, and the ratios of the dimensions are different from the actual products. Therefore, the specific dimensions should be judged with reference to the following description. In addition, there are also parts with different dimensional relationships and ratios among multiple drawings.

[0031] (Structure of pneumatic tire)

[0032] figure 1 It is a cross-sectional view in the tread width direction of the pneumatic tire of this embodiment. Such as figure 1 As shown, the pneumatic tire 1 has a bead portion 3 located inside when it is installed in a vehicle. The bead portion 3 has an inner bead core 3a, an inner bead filler 3b, and an inner bead 3c. Furthermore, the pneumatic tire 1 has a b...

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Abstract

A pneumatic tire according to the present invention includes bead units and a carcass layer at least. The bead units includes an inside bead core and an inside bead filler located in an inside under an equipment on a vehicle, and an outside bead core and an outside bead filler located in an outside. The carcass layer includes a main body and turnbacks. The main body extends from the inside bead core to the outside bead core. Each of the turnbacks is turned back from the inside bead core or the outside bead core to an internal side of a belt layer. Here, each edge of the turnbacks provided at a tire inner peripheral side of the belt layer is located inside from each edge of the belt layer in a tread width direction. In addition, a height of the outside bead filler is lower than a height ofthe inside bead filler in a cross section along the tread width direction.

Description

[0001] Technical area [0002] The present invention relates to a pneumatic tire, in particular to a pneumatic tire that can improve handling stability and riding comfort. Background technique [0003] In the past, various solutions have been proposed for pneumatic tires that improve handling stability and ride comfort. For example, a pneumatic tire is disclosed in which the tire shape (for example, tread pattern, sidewall) is asymmetric with respect to the equatorial plane of the tire to improve steering stability (for example, refer to Patent Document 1). In addition, a pneumatic tire is disclosed in which the tire shape is symmetrical on the basis of the tire equatorial plane to improve riding comfort (for example, refer to Patent Document 2). [0004] Patent Document 1: Japanese Patent Application Laid-Open No. 6-127216 (page 2-page 4, figure 1) [0005] Patent Document 2: Japanese Patent Publication No. 62-004609 (Page 2-Page 3, Figure 1) [0006] If the tire size is relatively s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60C15/06B60C9/08B60C3/06B60C5/00
CPCB60C3/06B60C15/0072B60C9/0292B60C15/0045B60C15/06Y10T152/10504Y10T152/10819
Inventor 吉野纯
Owner BRIDGESTONE CORP
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