Tire with tread having improved snow and dry traction

A tread and tire technology, applied in the direction of tire tread/tread pattern, tire parts, transportation and packaging, etc., can solve problems such as failure to provide
CN104169104AActive Publication Date: 2014-11-26MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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Patent Information

Authority / Receiving Office
CN Ā· China
Patent Type
Applications(China)
Current Assignee / Owner
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
Publication Date
2014-11-26

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Abstract

This invention relates generally to tires having treads that have a configuration and / or properties for providing suitable snow and dry traction, and, more specifically, to a tire that has a tread that has a maximum value for sipe density in the contact patch, a minimum value for lateral groove density in the contact patch, and a minimum value for the longitudinal contact surface ratio. In certain embodiments, the pitch length of pitches or repeating units of tread geometry along the circumferential direction of the tire is within a certain range and the tread depth is below a specified value. Tires with treads having a configuration that falls within these design parameters exhibit a desirably good level of snow and dry traction.
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Description

technical field

[0001] The present invention relates generally to tires having treads of construction and / or properties for providing suitable snow and dry traction, and more particularly to treads having a maximum of sipe density in the contact patch, The tire with the minimum value of transverse groove density and the minimum value of longitudinal contact surface ratio. In certain embodiments, the segments or repeating units of the tread geometry along the circumference of the tire have a segment length within a certain range and a tread depth below a specified value. Tires with treads of construction that fall within these design parameters have desirably good levels of snow and dry traction. Background technique

[0002] Those skilled in the art are familiar with the compromises inherent in designing a tire with good snow traction and good dry traction. For example, a typical technique for improving dry traction involves some increase in the stiffness of the tread so t...

Claims

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