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High-glue-permeation intensive steel cord

A high-penetration glue-intensive and glue-intensive technology, which is applied in the field of steel cords, can solve the problems of enhanced adhesion between steel cord products and rubber, so as to improve the glue penetration rate and rubber coverage rate, and prolong the service life. Effect

Pending Publication Date: 2022-01-25
SHANDONG DAYE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, when the single wire diameter of the steel cord disclosed on the market is determined, its glue penetration performance is basically the same, and it is impossible to truly enhance the adhesion performance of the steel cord product and rubber.

Method used

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  • High-glue-permeation intensive steel cord
  • High-glue-permeation intensive steel cord
  • High-glue-permeation intensive steel cord

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] see Figure 1-Figure 2 , a high-permeability glue-intensive steel cord, the steel cord is made of n-layer cord segments and n+1-layer cord segments alternately and continuously twisted, n is greater than 1 and is an integer.

[0024] The number of steel wires in the outermost layer of the n-layer cord segment and the n+1-layer cord segment is the same, and the number of steel wires in the inner layer of the n+1-layer cord segment is 1.

[0025] Except that the number of steel wires in the inner layer of the n+1 layer cord segment is 1, the n+1 layer cord segment and the other layers of the n layer cord segment all use multiple steel wires, and the number of steel wires increases from the center to the outside and the cross section is equilateral shape distribution.

Embodiment 2

[0027] see Figure 1-Figure 2 , The steel cord is made of two-layer cord segments and three-layer cord segments alternately and continuously twisted, that is, the steel cord sometimes consists of two layers and sometimes consists of three layers.

[0028] The outer layer 3 of the three-layer cord section and the outer layer 5 of the second-layer cord section both have 10 steel wires, the middle layer 2 of the three-layer cord section has 5 steel wires, and the inner layer 4 of the second-layer cord section has 6 steel wires. The three-layer cord segment forms a (1+5+10) structure, and the second-layer cord segment forms a (6+10) structure. The (6+10) structure and the (1+5+10) structure are periodically exchanged and twisted, and the structural exchange twisted place is a large rubber seepage opening and a fixed node of steel wire. This kind of steel cord can not only make up for the existing technology Insufficient cords can improve the bonding performance between steel cord...

Embodiment 3

[0033] see Figure 1-Figure 2 , on the basis of Example 1:

[0034] The lengths of the n-layer cord segments and the n+1 layer cord segments are the same.

[0035] The length of the n-layer cord segment and the n+1 layer cord segment is the same and is 0.5m-1.5m. The lengths of n-layer cord segments and n+1-layer cord segments are the same, preferably consistent, so as to facilitate post-processing.

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Abstract

The invention provides a high-glue-permeation intensive steel cord, and belongs to the technical field of steel cords. According to the technical scheme, the high-glue-permeation intensive steel cord is characterized in that the steel cord is formed by alternately and continuously twisting n layers of cord sections and (n + 1) layers of cord sections, and n is larger than 1 and is an integer. The high-glue-permeation intensive steel cord has the beneficial effects that the rubber coating rate and the bonding performance of the steel cord can be improved.

Description

technical field [0001] The invention relates to the technical field of steel cords, in particular to a high-permeability glue-intensive steel cord. Background technique [0002] With the development of the global automobile industry and highways, radial tires have developed rapidly. As the main skeleton material of radial tires, steel cords account for about 20% of the tire mass. Reasonable selection of steel cord products can effectively improve the fatigue performance of steel cords and the bonding performance between steel cords and rubber, prolonging the effective life of tires. service life. At present, when the diameter of the monofilament of the steel cord disclosed on the market is determined, the rubber seepage performance is basically the same, and the adhesion performance between the steel cord product and the rubber cannot be truly enhanced. Contents of the invention [0003] The object of the present invention is to provide a high-permeable glue-intensive st...

Claims

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Application Information

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IPC IPC(8): D07B1/06
CPCD07B1/06D07B2205/3025D07B2201/1036D07B2201/104D07B2201/2009D07B2401/208
Inventor 窦勇潘雷吉晓佳徐海涛
Owner SHANDONG DAYE