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Cable for tire cord reinforcement

A cable and yarn technology, applied in the field of composite materials, can solve the problems of difficult molding and design requirements of aircraft bias tires

Inactive Publication Date: 2009-04-08
THE GOODYEAR TIRE & RUBBER CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is very difficult to design aircraft tires made of composite cords and meet all of the following stringent design requirements: high strength, durability, ability to withstand thermal loads and ductility
Additionally, aircraft bias tires are very difficult to mold due to the complexity of the design

Method used

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  • Cable for tire cord reinforcement
  • Cable for tire cord reinforcement
  • Cable for tire cord reinforcement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] [053] Two test tires 32X11.5-15 having the tire structure shown in FIG. 13 were constructed and tested. The control tire included a nylon carcass. The tested tire includes a combined cord structure of 1670 dtex (A) + 1400 dtex (N) / 1 / 2; 10.7Z (A) + 6.2Z (N) X 9.7S. The tire was subjected to a series of tests. The tire was subjected to a burst test. The nylon comparison tire burst at 1524 psi. The test tire burst at 1176 psi. The tires were also subjected to dynamic tests. The tested tire went through 48 normal takeoffs, 1 extended taxi and 1 high-speed takeoff before it failed. The tested tire also passed diffusion testing. The performance data of the dynamic tire of the present invention exceeds expectations and is very surprising. The dynamic fatigue resistance of the present invention is given in Figure 14 and shows improved strength, fatigue and ductility over the nylon comparative tire. Although the tire of the present invention was not tested at the level desired for c...

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PUM

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Abstract

The present invention relates to a cable for tire cord reinforcement. A composite cable is disclosed suitable for use as a reinforcement in an aircraft tire. The cable is formed of an aramid yarn and a nylon yarn cabled together, wherein the aramid yarn has a linear density in the range of from 220 to 3300 dtex and the nylon yarn has a linear density in the range of from 220 to 2100 dtex.

Description

[0001] This application claims the benefits of U.S. Provisional Application No. 60 / 977,682 filed on October 5, 2007, and is incorporated herein as a reference. Technical field [0002] [001] The present invention relates to a composite of multiple different individual textile yarns that are cabled together into strands to form cords. The present invention particularly relates to pneumatic tires containing cord reinforcements of such twisted textile yarns, and even more particularly to heavy-duty tires such as aircraft tires. Background technique [0003] [002] Compared to other applications such as passenger car tires or heavy equipment tires, aircraft tires are subject to extremely harsh operating conditions. This is due to the high speed and heavy load of aircraft tires. Aircraft tires are generally heavy to withstand extreme loads under harsh operating conditions. It is hoped to reduce the total weight of the aircraft to improve performance and functionality. Therefore, there i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D02G3/48D02G3/22D07B1/00B60C9/02
CPCD10B2331/02D10B2331/021B60C9/005B60C2200/02B60C9/0042D02G3/48D02G3/28
Inventor D·W·小鲍德温R·J·加特兰W·K·维斯特加特
Owner THE GOODYEAR TIRE & RUBBER CO
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