Tires with additional cap plies

Inactive Publication Date: 2011-12-28
SAILUN GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the vehicle reaches a certain load, the tires will correspondingly produce radial deformation, which will easily cause the problems of delamination and fracture between the belt layers, and in severe cases, it will directly cause tire bursts and bring hidden dangers of driving accidents

Method used

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  • Tires with additional cap plies
  • Tires with additional cap plies
  • Tires with additional cap plies

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Example 1, such as Figure 1 to Figure 3 As shown, a tire with an additional cap layer includes a tread rubber 4, a fourth belt layer 3, a third belt layer 5, a second belt layer 6, and a pair of sidewalls sequentially from the crown to the rim Pad rubber 7 and first belt layer 8.

[0035] Wherein, between the pad rubber 7 , the two sides of the third belt layer 5 and the tread rubber 4 , an additional cap layer 2 is lined respectively.

[0036] That is, on both sides in the tire circumferential direction, the additional cap layer 2 is wound on the sides of the third belt layer 5 and the second belt layer 6 at 360° respectively.

[0037] The additional cap layer 2 is formed by lapping two layers of nylon plies 1, the nylon cords in each nylon ply 1 are kept parallel to the side F, and the longitudinal cutting angle G of the nylon plies 1 is ≤ 90°.

[0038] on the circumference of the tire,

[0039] Width of additional cap ply 2 after 2 layers of nylon plies 1 overl...

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PUM

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Abstract

In the tire with an additional cap layer according to the present invention, at least one additional cap layer is added between the second belt layer and the third belt layer to improve the resistance to deformation and tearing of the area under load and pressure ability. That is, at least one additional cap layer is respectively lined between the cushion rubber, the two sides of the third belt layer and the tread rubber. On both sides of the tire circumference, the additional cap layer is wound on the sides of the third belt layer and the second belt layer at 360° respectively, so as to optimize the ground contact shape of the tire, improve the safety performance of the use, and effectively solve the problem of the belt Layer delamination, tearing problems.

Description

technical field [0001] The invention relates to the improvement of the structure of the all-steel radial tire, that is, at least one additional cap layer is wound around the sides of the second belt layer and the third belt layer, which are prone to delamination and fracture, and belongs to the field of rubber tire manufacturing. Background technique [0002] Existing usually manufactures, uses the all-steel radial tire, and its tire crown that contacts ground is ellipse or rectangular shape. When the vehicle reaches a certain load, the tires will correspondingly produce radial deformation, so that it is easier to cause delamination and fracture between the belt layers, and in serious cases, it will directly lead to tire blowout and bring hidden dangers of driving accidents. [0003] A large number of studies have found that the delamination and fracture areas caused by excessive concentration of stress points during tire running first occur between the second belt layer and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C9/18
Inventor 杜玉岱谷存涛伊怀保刘健
Owner SAILUN GRP CO LTD
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