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Nylon cord thread and tire adopting same

A technology of nylon cord and nylon, which is applied to aircraft tires, tire parts, reinforcement layers of pneumatic tires, etc., and can solve problems such as conflicting lightweight requirements

Inactive Publication Date: 2021-10-26
TRIANGLE TIRE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The easiest way to increase tire strength is to increase the number of plies, however, increasing the number of plies contradicts the requirements for lightweight

Method used

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  • Nylon cord thread and tire adopting same
  • Nylon cord thread and tire adopting same
  • Nylon cord thread and tire adopting same

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Embodiment Construction

[0015] The nylon cord of the present invention comprises at least two strands of nylon 66 precursors, the ratio of the linear density of each strand of strands is between 0.97 and 1.03, preferably, the ratio of the linear density of each strand of strands is 1, and the composition of the The sum of the linear densities of all the nylon 66 raw silks of the cord is ≥5600dtex. Each strand of nylon 66 raw silks is firstly twisted to form strands, and each strand is double-twisted to form a nylon cord. The strength of the nylon cord is Diameter ratio K≥480, and nylon cord diameter d≥0.9mm. .

[0016] Each strand of raw silk is firstly twisted, the twist direction is Z direction, and the twist is N Z Between 150 twist / m and 350 twist / m, preferably, twist N Z Between 200 twists / m and 300 twists / m, twisted strands are formed.

[0017] All the twisted strands are double-twisted, and the twist direction is the S direction opposite to the initial twist direction, and the twist is N S...

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Abstract

The invention relates to a nylon cord thread and a tire adopting the same, and belongs to the field of tires. The nylon cord thread at least comprises two strands of nylon 66 protofilaments; each strand of nylon 66 protofilament is firstly subjected to primary twisting to form strand filament; the strand filaments are stranded and subjected to secondary twisting to form the nylon cord thread; the strength-diameter ratio K of the nylon cord thread is larger than or equal to 480; and the diameter d of the nylon cord thread is larger than or equal to 0.9 mm. The invention further discloses a tire body prepared from the nylon cord thread or a force-bearing component in a belted layer and the tire manufactured from the force-bearing component. The nylon cord thread has the beneficial effects that the specific strength Q of a cord fabric formed by the cord thread is larger than or equal to 370 N / mm, and the harsh light weight requirement of the tire can be met.

Description

technical field [0001] The invention belongs to the field of tire production, and specifically relates to a nylon cord and a tire thereof. Background technique [0002] As we all know, pneumatic tires usually use various cords as components to bear internal pressure stress and various load forces. In particular, general aircraft tires use nylon 66 cords to manufacture carcass or belt layers. These cords are parallel to each other and are compounded by rubber to form ply layers. Each ply layer is laminated together to form the carcass or belt layer of the tire. These carcass and belt layers can bear various forces on the tire. Modern aircraft are all striving for lightweight, therefore, tires are also put forward higher and higher lightweight requirements. On the one hand, the weight is controlled by limiting the size of the tire, and on the other hand, the smaller size of the tire is required to have a large load capacity, which requires the tire to have higher strength. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D02G3/48D02G3/02B60C9/02B60C9/18
CPCD02G3/48D02G3/02B60C9/0238B60C9/18B60C2009/1828B60C2200/02D10B2331/02
Inventor 丁木韦进明尚文艺黄艳军赵亚元李博宁
Owner TRIANGLE TIRE