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Tire with asymmetric groove bottom for shoulder groove

A technology for tires and shoulders, which is applied in the field of tires with shoulder grooves, and can solve the problems of reduced groove size and reduced groove capacity, etc.

Inactive Publication Date: 2012-07-18
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the addition of such material results in a reduction in the size of the grooves, the capacity of the grooves to drain water away from the contact surface of the tire during operation in rainy weather, for example, is detrimentally reduced

Method used

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  • Tire with asymmetric groove bottom for shoulder groove
  • Tire with asymmetric groove bottom for shoulder groove
  • Tire with asymmetric groove bottom for shoulder groove

Examples

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Embodiment Construction

[0016] The present invention provides a tire with shoulder grooves having an asymmetrical bottom, and more particularly relates to a tire with shoulder grooves in the The bottom of the groove is provided with features that help reduce stress and mitigate cracking from tire handling. For the purposes of describing the invention, reference will now be made in detail to embodiments of the invention, one or more examples of which are illustrated in the accompanying drawings. Each example is provided by way of explanation of the invention, not limitation of the invention. In fact, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment can be used with another embodiment to yield a still further embodiment. Thus, it is intended that the present invention covers such modification...

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Abstract

A tire with a shoulder groove that has an asymmetric bottom is provided and, more particularly, a tire is provided having a shoulder groove that includes features at the bottom of the groove that help reduce stress and alleviate cracking from tire operation. The reduction is accomplished without the addition of material to the groove bottom.

Description

technical field [0001] The present invention relates to a tire having shoulder grooves with an asymmetrical bottom and, more particularly, to a tire having shoulder grooves in the The bottom of the groove is provided with features that help reduce stress and mitigate cracking from tire handling. Background technique [0002] When the tire rolls on a surface, deformations occur especially in the contact with the surface and in the vicinity. It is generally understood that this deformation repeats and creates a cyclic field of compressive stress and strain in the tire as the tire continues to roll. Because this cycle can fatigue the material and cause unwanted cracking, it presents a particular problem for tire designers to address by focusing on the compressive stresses and strains at and near the tire-road contact. [0003] Certain tire tread patterns have grooves defined in the tread and extending circumferentially around the tire at locations adjacent the shoulders of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C11/13
CPCB60C11/13B60C11/042B60C11/1323
Inventor W·B·克莱顿S·M·纳尔逊
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN