Inflatable load-carrying radial tire

A technology of radial tires and tires, applied to tire parts, tire sidewalls, transportation and packaging, etc.

Active Publication Date: 2010-09-29
GITI RADIAL TIRE (ANHUI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a pneumatic radial truck tire, which is equipped with a special shaped annular dish-shaped groove on the side of the tire shoulder, so as to eliminate the situation of stone trapping and reduce the wear on the end of the tire shoulder, and further solve the problem even if it is subjected to repeated stress. It will not cause many problems such as cracking at the bottom of the groove, so as to reduce the step wear of the shoulder part of the load-bearing all-steel radial tire

Method used

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  • Inflatable load-carrying radial tire
  • Inflatable load-carrying radial tire
  • Inflatable load-carrying radial tire

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Embodiment Construction

[0023] See attached picture.

[0024] The load-bearing pneumatic all-steel wire radial tire involved in the present invention is at the crown position (such as image 3 The 2 parts shown) have several main grooves (such as image 3 The three parts shown) extend in the circumferential direction and have a running surface that is in contact with the road surface. For trucks and bus all-steel radial tires, at least one lateral side of the outer contour that is inclined from the crown end to the radially inward direction is arranged. In fact, it is an annular dish-shaped groove that is continuous in the circumferential direction and also continues inward in the radial direction (such as image 3 Part 1 shown), the annular dish-shaped groove is located from the end of the crown toward the radially inward, and the depth is the depth of the main groove (such as image 3 Within 20% to 160% of H) shown. The arc surface of the inner wall of the annular dish-shaped groove, the radius ...

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Abstract

The invention relates to an inflated radial truck tire. The existing inflated tire, in particular to the inflated radial truck tire, has the step abrasion phenomenon on the end of the strip pattern which is positioned at two ends of the driving surface, and greatly reduces the service life of the tire. The invention places a ring-shaped disk groove with the appropriate shape and position at the tire shoulder, which is continuously positioned along the circumference of the tire and extended toward the inner direction of radial direction, for decreasing the ground contact pressure of the end ofthe tire shoulder, thereby inhibiting the occurrence of the step abrasion of the tire shoulder and eliminating the bad phenomenon of seizing stones. In addition, a specified arc shape is designed on the bottom of the ring-shaped disk groove, even if the tire shoulder suffers the strong lateral force and consequently the repeated distorsion is generated, the groove bottom can not generate the tearing failure.

Description

technical field [0001] The invention relates to effectively suppressing the abnormal abrasion of the tread shoulder of the pneumatic all-steel radial tire by improving the crown of the pneumatic radial tire, especially for trucks, buses and other load-bearing all-steel wire radial tires. Background technique [0002] Ordinary load-bearing pneumatic radial tires will have stepped wear at the ends of the stripes at both ends of the running surface, such as figure 1 Parts a, b, and c shown in , this is one of the most common abnormal wear of tires, especially for tires mounted on freely rotating axles such as the front wheel position of the vehicle, this wear is abnormally obvious. The main reason for this stepped wear is that compared with the outer diameter of the tire in the middle range, the outer diameter of the tire in the shoulder area is smaller, and the difference in outer diameter causes the area of ​​​​the shoulder to be dragged, (such as figure 1 Part A shown), res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60C13/02
Inventor 潮阳施珉王彬彬
Owner GITI RADIAL TIRE (ANHUI) CO LTD
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