Tire/wheel assembly body and supporting body for traveling with tire flat

A technology for running out of air and supporting body, which is applied to pneumatic tires, tire parts, vehicle parts, etc., and can solve problems such as no effective countermeasures have been proposed.
CN1750949AInactive Publication Date: 2006-03-22YOKOHAMA RUBBER CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
YOKOHAMA RUBBER CO LTD
Publication Date
2006-03-22
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention relates to a tire / wheel assembly body provided with a supporting body for traveling with flat tire in a hollow cavity of a pneumatic tire arranged on a wheel felloe of a wheel, wherein the supporting body for traveling with flat tire consists of an annular shell body and an elastic ring, wherein the outer circumferential side of the shell body is set to be a supporting surface and the inner circumferential side of shell body is formed into a leg part which is diverged into a two-legged shape; the leg part is supported on the wheel felloe by the elastic ring. The annular shell body is formed by making a sectional area of an annular hollow cavity part enclosed by the supporting body for traveling with flat tire and the pneumatic tire change along the circumferential direction of the tire.
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Description

technical field

[0001] The present invention relates to a tire / wheel assembly and a run-flat support, and more specifically, to a tire / wheel assembly for which noise performance is to be improved and a run-flat support used therefor. Background technique

[0002] Due to market demands, technologies have been proposed many times that enable emergency travel of several hundreds of kilometers even when a pneumatic tire blows out while the vehicle is running. Among these proposals, for example, JP-A-10-297226 discloses that a support body is attached to the rim inside the hollow portion of a rim-assembled pneumatic tire, and a blown tire is supported by the support body. Technology that enables run-flat driving.

[0003] The above-mentioned run-flat support body has an annular shell with the outer peripheral side as a support surface and the inner peripheral side is bifurcated into a two-legged structure. The elastic ring is supported on the rim. Since this run-flat support b...

Claims

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