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Agricultural tire tread

A tread and tire technology, used in agricultural vehicle tires, tire treads/tread patterns, agricultural vehicles, etc., can solve the problems of ineffective and unsatisfactory tires

Inactive Publication Date: 2014-10-08
BRIDGESTONE AMERICAS TIRE OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However such blocks are not ideal for driving on hard surfaces such as paving between job sites
Use on such surfaces results in wear that quickly and undesirably reduces the tread depth, thereby making the tire less effective in muddy or loose soil conditions

Method used

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  • Agricultural tire tread
  • Agricultural tire tread
  • Agricultural tire tread

Examples

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Embodiment Construction

[0008] The following includes definitions for selected terms used herein. Definitions include various examples and / or forms of components that are within the scope of the term and that may be used for implementation. Examples are not intended to be limiting. Both singular and plural forms of terms may be within the definition.

[0009] "Axial" or "axially" means a direction parallel to the axis of rotation of the tire.

[0010] "Circumferential" and "circumferentially" refer to lines or directions extending along the perimeter of the surface of the tread parallel to the equatorial plane perpendicular to the axial direction of the tire.

[0011] "Equatorial plane" means the plane perpendicular to the tire's axis of rotation and passing through the center of the tire's tread.

[0012] "Lateral" or "laterally" means the direction along the tread of the tire from one sidewall to the other of the tire.

[0013] "Radial" or "radially" means a direction perpendicular to the axis ...

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PUM

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Abstract

An agricultural tire has an equatorial plane separating first and second sides. First and second inner sixths of the treads extend between the equatorial plane and circumferential reference planes disposed axially one-sixth of a tread width on either side of the equatorial plane. First and second middle sixths of the tread extend between inner circumferential planes and middle circumferential reference planes one-sixth of the tread width from the inner circumferential reference planes. Outer sixths extend between the middle circumferential reference planes and outer circumferential reference planes disposed one-sixth of the tread width from the middle planes. Net tread volume ratio is approximately 40 percent, where between 36 and 39 percent of lug volume is in the inner sixths, between 32 to 35 percent in the middle sixths, and 27 to 30 percent in the outer sixths of the tread.

Description

technical field [0001] The present invention relates to tires for agricultural use, and in particular to agricultural tires suitable for use in muddy or loose soils. Background technique [0002] Agricultural tires often have treads with darker blocks that provide traction in muddy or loose soil conditions where conventional tires would not operate. Such blocks, however, are not ideal for driving on hard surfaces, such as paved roads between job sites. Use on such surfaces results in wear that can rapidly and undesirably reduce block depth, thereby making the tire less effective in muddy or loose soil conditions. SUMMARY OF THE INVENTION [0003] A pneumatic agricultural tire has an equatorial plane separating first and second sides, and blocks have a tread depth of R-1W. The first and second inner sixths of the tread extend between an equatorial plane and a first circumferential reference plane disposed axially from the equatorial plane at one sixth of the tread width. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C11/03B60C11/11
CPCB60C11/0311B60C11/033B60C2200/08B60C11/0327B60C2011/0313
Inventor B·哈里斯T·巴克斯顿B·雷斯梅尔
Owner BRIDGESTONE AMERICAS TIRE OPERATIONS LLC
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