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Tire for two-wheeled vehicles, comprising a tread having sipes

A technology for two-wheeled motorcycles and tires, applied in motorcycle tires, tire treads/tread patterns, vehicle parts, etc. Uniformity Lightening Effect

Active Publication Date: 2012-10-17
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These wear patterns become more pronounced as wear increases and result in a greater rate of wear for that tire

Method used

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  • Tire for two-wheeled vehicles, comprising a tread having sipes
  • Tire for two-wheeled vehicles, comprising a tread having sipes
  • Tire for two-wheeled vehicles, comprising a tread having sipes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0066] figure 1 Depicted is a partial perspective view of a tire 1 intended to be mounted to the front wheel of a two-wheeled motorcycle, and more particularly showing the outer surface 2 of its tread. The curvature value of tire 1 exceeds 0.15, preferably exceeds 0.3. This value of curvature is defined by the Ht / Wt ratio, which means the ratio of the height of the tread to the maximum width of the tire tread.

[0067] In a manner not depicted in the figures, tire 1 comprises a carcass reinforcement composed of layers comprising reinforcing elements of textile type. This layer consists of radially arranged reinforcing elements. The radial positioning of the reinforcing elements is defined by the angle at which said reinforcing elements are arranged; a radial arrangement corresponds to said elements being arranged at an angle between 65° and 90° relative to the longitudinal direction of the tyre.

[0068] Said carcass reinforcement is anchored on each side of the tire 1 in ...

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PUM

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Abstract

The invention relates to a tire for a two-wheeled motor vehicle, said tire comprising a tread, wherein the surface at least of the tread consists of a first polymer mixture extending over a portion at least of the central portion and at least a second polymer mixture having physical and chemical properties different from that of said first polymer mixture and covering a portion at least of the axially outer portions of the tread. At least the central portion of the tread comprises at least one sipe (5) in a circumferential plane, at least a portion (7) of a wall of said at least one sipe (5) being formed by at least two straight lines (370, 371) each defining an angle of between 5 and 65 DEG relative to the radial direction, and the direction of the straight lines together defining an angle of between 30 and 120 DEG .

Description

technical field [0001] The present invention relates to tires intended to be mounted to vehicles, and more particularly to two-wheeled vehicles, such as motorcycles, and also more particularly to two-wheeled vehicles having speeds above W For motorcycle tires, the W corresponds to a speed of 270 kilometers per hour (km / h). [0002] Although not limited to this application, the invention will be described more particularly with reference to such motorcycle tires or motorcycle tires, and will also be described more particularly with reference to tires intended to be mounted to the rear wheels. Background technique [0003] Like all other tyres, motorcycle tires have evolved towards radial tyres, the structure of which consists of a carcass reinforcement made of one or two layers of reinforcing elements forming an angle with the circumferential direction It may be between 65° and 90°, the crown reinforcement made of reinforcing elements radially covering the top of said carcas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C11/12
CPCB60C11/1218B60C2011/1209B60C11/12B60C11/0306B60C11/04B60C11/0058B60C2200/10B60C11/124B60C2009/2025
Inventor L·贝斯根
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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