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Vehicle tyre

A technology for automobile tires and wheels, applied in the directions of wheels, tire measurement, tire parts, etc., can solve problems such as thermal insulation problems and increased tire wear

Inactive Publication Date: 2011-05-25
RECTICEL NV SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another reason may be that the thermal insulation caused by the foam insert in the prior art is still problematic
Thermal insulation causes the heat generated by the tire tread to be dissipated to a lesser extent inside the tire, resulting in increased tire wear

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0052] A vehicle tire 1 made of rubber or a rubber compound has a tread band 2 on the outside of which a tread 3 of the vehicle tire 1 is formed. Two sidewalls 4, 4.1 are formed on the tread band 2 and have a bead at the end of each sidewall. For simplicity, the car tire 1 is described without reinforcements or carcass. Similarly, the bead cores in the beads 5, 5.1 are also not shown. Such as figure 1 As shown, a car tire 1 is mounted on a rim 6 of a wheel 7 . The beads 5, 5.1 are located on the rim and are pressed against the adjoining rim flange 8, 8.1 by the inner tire pressure.

[0053] The foam insert is arranged in the vehicle tire 1 and is indicated as a whole by the reference number 9 . The foam insert 9 is attached to the inner side 10 of the tread band 2 and to the inner side of the side walls 4, 4.1. When the automobile tire 1 rotates, the foam insert 9 in contact with it also rotates with it. The foam insert 9 fills approximately 30% of the cavity 11 of the v...

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Abstract

An elastic vehicle tyre with a cavity (11) enclosed by a tread strip (2) supporting the tread (3) and sidewalls (4, 4.1) adjacent to this on both sides shows a foam insert (9) connected to the inside (10) of the tread strip (2). The side walls each carry a bead (5, 5.1) disposed at the free end to fit around the flange (8, 8.1) of the rim (6) of wheel (7). The foam insert (9) partly fills the cavity (11) and serves a denoising function, in particular in a frequency range below 400 Hz.

Description

technical field [0001] The invention relates to a vehicle tire having a cavity enclosed by a tread band supporting the tread and sidewalls adjoining the tread band on both sides, and a foam insert in contact with the inner side of the tread band. Each side wall has a bead provided at a free end for fitting around the flange of the rim of the wheel. The foam insert partially fills the cavity and acts as a noise dampener, especially in the frequency range below 400Hz. Background technique [0002] Such car tires for cars, trailers and semi-trailers are also known as pneumatic car tires. This car tire is a tire with a hollow cavity, and its stability depends critically on the air pressure injected into the cavity. The cavity of this automobile tire is formed by a tread band supporting the tread and sidewalls integrally formed on both sides thereof. Each side wall has a bead at a respective free end through which a tire mounted on the rim of the wheel abuts the rim and the ri...

Claims

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Application Information

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IPC IPC(8): B60C19/00
CPCB60C19/002Y10T152/10036B60C5/002B60C23/19
Inventor 阿克塞尔·甘普拉斯克里斯托夫·柏那特帕特里克·汉森斯
Owner RECTICEL NV SA
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