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Vehicle tire

A technology for pneumatic tires and vehicles, applied in the field of vehicle pneumatic tires, can solve the problems of reduced tire durability, disconnection, and erosion of cords, etc., and achieves the effects of ensuring retreading capability, improving durability, and good damage protection.

Active Publication Date: 2014-06-18
CONTINENTAL REIFEN DEUTSCHLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Said cuts then reach the cords of the cord belt, which can lead to erosion and cord breakage and thus to a reduction in the durability of the tire

Method used

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  • Vehicle tire
  • Vehicle tire

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] figure 1 A tread 1 is shown among the usual components of a pneumatic tire for commercial vehicles, one preferably with four cord belt layers 2 consisting of reinforcing fabrics (preferably composed of steel wires) embedded in rubber, one also reinforced with Textile reinforced radial carcass 3 and an airtight inner layer 4 . The figure shows only the axially outer end portion of the sidewall of the tyre. The bead region with bead core and core profile is not shown.

[0026] The tread 1 consists of a radially outer rubber layer (tread cap 5 ) and a radially inner rubber layer (tread base 6 ). A lower plate not shown in the figure may also be arranged under the tread base 6 . The tread base 6 has a substantially constant thickness of about 4.5 mm and is divided into three parts in the axial direction such that it consists of a central part 6a and two side parts 6b. The central part 6a extends centrally relative to the tire center up to the two outer circumferential s...

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PUM

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Abstract

The invention relates to a vehicle tire, in particular for commercial vehicles, having a radial carcass (3), a multi-layer belt (2), and a tread (1) that, in the radial direction, comprises two layers made of different rubber mixtures, a tread cap (5), and a tread base (6), wherein the tread base (6) comprises a central segment (6a) and two lateral segments (6b) that at least face radially outward when seen in the axial direction, wherein the central segment (6a) is made of a rubber mixture for better durability and for ensuring retreading capability, said mixture having a recoil elasticity at 70 °C as per DIN 53 512 that is lower than the rubber mixture of the two lateral segments (6b) of the tread base (6).

Description

technical field [0001] The present invention relates to a vehicle pneumatic tire, in particular for commercial vehicles, having a radial casing, a multi-ply cord belt and a tread composed radially of two different consists of a layer of rubber mixture, a tread cap (Laufstreifencap) and a tread base, wherein the tread base, viewed in the axial direction, has at least one central part and two side parts pointing radially outwards. Background technique [0002] Whether used on passenger cars or commercial vehicles, pneumatic vehicle tires typically feature a two-piece tread consisting of a tread cover and a tread base, the tread cover coming into contact with the undersurface as the tire rolls. The tread cover is produced from a rubber compound optimized for wear, while the tread base is produced from a rubber compound optimized for hysteresis. [0003] Pneumatic vehicle tires of the type mentioned at the outset, in which the tread base is additionally divided into regions of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60C11/00
CPCB60C2200/06B60C11/0075B60C11/005B60C11/00B60C2011/0025
Inventor 胡利安·德里瓦-佩雷斯希尔卡·扎尔克里斯蒂安·韦伯菲利普·克勒托马斯·克拉默
Owner CONTINENTAL REIFEN DEUTSCHLAND GMBH
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