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Load-bearing air-inflated tyre

A technology for inflating tires and shoulders, which is applied to heavy tires, tire parts, tire treads/tread patterns, etc., and can solve problems such as the inability to prevent the reduction of clamping force and the inability to obtain sufficient pressure distribution effects

Inactive Publication Date: 2006-05-24
HANKOOK TIRE WORLDWIDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, only the method of forming the decoupling groove (Decoupling Groove) 5 at the edge of the rib 11 cannot obtain a sufficient pressure distribution effect, and the problem of a decrease in the clamping force cannot be prevented after the middle stage of wear.

Method used

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  • Load-bearing air-inflated tyre
  • Load-bearing air-inflated tyre
  • Load-bearing air-inflated tyre

Examples

Experimental program
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Embodiment Construction

[0017] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0018] image 3 is a partial sectional view of the tire of the present invention, Figure 4 It is an enlarged perspective view of the main part of the decoupling groove of the present invention.

[0019] Such as image 3 and Figure 4 As shown, the pneumatic tire for load bearing of the present invention includes a tread portion 1, a sidewall portion 2 and a bead portion 3, and a decoupling groove 5 is formed on the shoulder portion 12 of the tread portion 1, wherein, in the decoupling A tie bar 6 is formed inside the groove 5 .

[0020] The present invention having the above-mentioned structure functions to increase the rigidity of the shoulder outer rib, to prevent rib separation and damage, and to prevent damage to the appearance of the decoupling groove 5, so that it can be fully secured even in the late stage of wear. Play the ...

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PUM

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Abstract

The invention provides a pneumatic tire for load bearing, which comprises a tread part (1), a sidewall part (2) and a bead part (3), and a decoupling The groove (5) is characterized in that tie bars (6) are formed inside the decoupling groove (5). This prevents abnormal wear on the shoulder ribs, and greatly prolongs the life of the tire.

Description

technical field [0001] The present invention relates to a pneumatic tire for heavy loads, and more specifically, to a pneumatic tire for heavy loads in which the structure of the decoupling groove (Decoupling Groove) formed on the shoulder portion is improved so as to prevent the Abnormal wear that occurs intensively. Background technique [0002] In general, in pneumatic tires for trucks and buses, the wear performance and abnormal wear performance of the tire can be said to be the most important issues. [0003] Pneumatic tires for heavy trucks can be roughly classified into a rib pattern and a block pattern according to the pattern shape of the tread portion. [0004] Block tires have the advantage of making the braking performance of the vehicle better. The strip pattern tires make the handling performance and stability of the vehicle good, without the inherent front and rear edge wear (Heel & Toe Wear) of block pattern tires, and the resistance to wear is better than ...

Claims

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Application Information

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IPC IPC(8): B60C11/13
CPCB60C11/12B60C11/1369B60C2200/06
Inventor 白昶和李在洪
Owner HANKOOK TIRE WORLDWIDE