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Pneumatic vehicle tire

一种轮胎、车辆的技术，应用在特殊轮胎、车辆部件、轮胎零部件等方向，能够解决轮胎操纵性削弱等问题

Active Publication Date: 2013-11-27
CONTINENTAL REIFEN DEUTSCHLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with pneumatic vehicle tires having this tread base structure, it has been found that tire handling is impaired

Method used

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  • Pneumatic vehicle tire
  • Pneumatic vehicle tire
  • Pneumatic vehicle tire

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] figure 1 Shows, among the usual elements of a pneumatic tire for automobiles, a tread 1, a belt 2 preferably with two tensioned plies made of reinforcing elements embedded in rubber, preferably of steel cords, a also Radial ply carcass 3 reinforced with reinforcing elements and an airtight inner layer 4 . This belt 2 is covered with belt strips 7 of so-called tape reinforcement elements. The figure shows only the axially outer end section of the sidewall of the tyre. The area of ​​the chafer with the bead wire and bead wire outline is not shown.

[0032] The tread 1 is composed of a radially outer rubber layer (tread cap 5 ) and a radially inner rubber layer (tread base 6 ). An underlayment (not shown) may also be provided under the tread base 6 . The tread base 6 has a substantially constant thickness of about 2 mm and is divided into three parts in the axial direction so that it consists of a central section 6a and two side sections 6b. The central section 6 a ex...

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PUM

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Abstract

The invention relates to a pneumatic vehicle tire comprising a radial carcass (3), an at least single-layer belt (2), and a tread (1) that is composed of two layers, a tread cap (5) and a tread base (6), which consist of different rubber mixtures, in a radial direction, said tread base (6) having a central portion (6a) and two lateral portions (6b) that extend at least in a radially outward direction from an axial perspective. The two lateral portions (6b) consist of a rubber mixture that has a lower dynamic modulus of elasticity E' at 55 °C in accordance with DIN 53513 (measured at an extension of 8%) and a lower hysteresis than the central portion (6a) of the tread base (6) for a lower rolling resistance without worsening the handling behavior.

Description

technical field [0001] The present invention relates to a pneumatic vehicle tire, especially for commercial vehicles, having a radial ply carcass, a multilayer belt and a tread comprising in radial direction two Layers of different rubber compounds, a tread cap and a tread base, wherein the tread base, viewed in the axial direction, has at least a central section and two side sections directed radially outwards. Background technique [0002] Pneumatic vehicle tires, both for passenger cars and for commercial vehicles, are generally provided with a two-part tread consisting of a tread cap and a tread base that come into contact with the road surface during tire rolling. The tread cap is made of a wear-optimized rubber compound and the tread base is made of a hysteresis-optimized rubber compound. In addition to the tire's rolling resistance, the tread base also affects its handling (road handling), optimizing one property at the expense of the other. [0003] Pneumatic vehic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C11/00
CPCB60C11/0075B60C11/00B60C2011/0025B60C1/0016Y02T10/86
Inventor 克里斯蒂安·韦伯赖因哈德·路德维希海纳·沃尔克
Owner CONTINENTAL REIFEN DEUTSCHLAND GMBH
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