FR2695076A1

FR2695076A1 - Solid inner tyre for tubeless tyre allowing driving with puncture - consists of rubber annular tyre fitting around wheel rim and extending beyond wheel flange so punctured tyre ruins inner tyre not rim

Info

Publication number: FR2695076A1
Application number: FR9210730A
Authority: FR
Inventors: Cantuti Pierre; Huck Henri
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-09-03
Filing date: 1992-09-03
Publication date: 1994-03-04

Abstract

A device allowing continued driving on punctured tubeless tyres consists of a tough relatively flexible material, e.g. rubber, in the form of an annular tyre (1) around the rim (2) of the wheel within the tyre (5). The annular tyre (1) has an internal dia. corresp. to the rim base (2) and a shape determined by the tubeless tyre beads (3). The outer dia. of the tyre (1) is greater than that over the wheel rim flanges so the deflated tubeless tyre will not run on the rim. The tyre (1) can be of one piece or several joined blocks and is retained by fixings so that it cannot rotate. It has a lateral channel (10) for valve location and passage of air. USE/ADVANTAGE - Used with tubeless tyres when punctured. Allow continued driving to nearest help point without deterioration of the punctured tyre.

Description

DESCRIPTION
Bandage de jante pour dépannage de pneu crevé
L'invention concerne un dispositif de dépannage permettant de rouler avec un ou plusieurs pneus crevés sans risque de le ou les détériorer.DESCRIPTION
Rim tire repair for punctured tires
The invention relates to a recovery device for driving with one or more punctured tires without risk of damaging them.

Dans le cas habituel d'une crevaison, la roue doit être changée avant de rouler sous peine de couper le pneu en question.In the usual case of a puncture, the wheel must be changed before driving, otherwise the tire in question will be cut.

Le dispositif selon l'invention remédie à ce problème.The device according to the invention overcomes this problem.

Il consiste en un bandage de matière résistante et relativement souple comme le caoutchouc par exemple entourant la jante de la roue intégrée dans la chambre du pneu.It consists of a bandage of resistant and relatively flexible material such as rubber for example surrounding the rim of the wheel integrated in the tire chamber.

Le système s'applique aux pneus tubeless c'est à dire sans chambre à air. Il permet lors de crevaison de protéger les parties fragiles du pneu que sont ses flancs en faisant intervenir la partie renforcée à cet effet qu'est sa bande roulement.The system applies to tubeless tires, that is to say tubeless tires. It allows during puncture to protect the fragile parts of the tire that are its sidewalls by using the reinforced part for this purpose that is its tread.

Les dessins annexés illustrent l'invention.The accompanying drawings illustrate the invention.

La figure l représente le bandage en vue de face et de côté.Figure l shows the bandage in front and side view.

La figure 2 représente une vue en coupe de l'emplacement du bandage sur la jante et dans le pneu
La figure 3 représente l'ensemble schématisé de la roue, du bandage et du pneu en vue de face et de côté.Figure 2 shows a sectional view of the location of the tire on the rim and in the tire
Figure 3 shows the schematic assembly of the wheel, tire and tire in front and side view.

En référence à ces dessins, le bandage (1) affecte la forme d'un anneau dont le diamètre interne correspond à celui du fond de la jante (2) sur laquelle il prend appui maintenu entre ses rebords inférieurs qui évitent tout déplacement latéral. Le profil de la jante (2) définie la forme et les dimensions dé la section du bandage (1) entre les bourrelets (3) et la chambre (4) du pneu de façon à ne pas géner les déformations normales de ce dernier résultant du roulement.With reference to these drawings, the bandage (1) assumes the shape of a ring whose internal diameter corresponds to that of the bottom of the rim (2) on which it rests maintained between its lower flanges which avoid any lateral displacement. The profile of the rim (2) defines the shape and the dimensions of the section of the tire (1) between the beads (3) and the chamber (4) of the tire so as not to generate the normal deformations of the latter resulting from the rolling.

Le diamètre externe du bandage (1) est supérieur à celui des extrémités ou bord de la jante (2).The external diameter of the tire (1) is greater than that of the ends or edge of the rim (2).

Ce diamètre est calculé en fonction de l'élasticité du matériau constituant le bandage (1) afin d'éviter lors de crevaison du pneu que les bords de jante (2) coincent et coupent les flancs (5) du pneu contre le sol. This diameter is calculated as a function of the elasticity of the material constituting the tire (1) in order to prevent the tire rim edges (2) from jamming and cutting the sidewalls (5) of the tire against the ground when the tire is punctured.

Lors de crevaison du pneu, le bandage (1) supporte le poids en se déformant légérement. La face interne de la bande de roulement (6) du pneu crevé vient reposer sur la face externe du bandage(l), les deux faces s'épousant.When the tire is punctured, the tire (1) supports the weight and slightly deforms. The internal face of the tread (6) of the punctured tire comes to rest on the external face of the tire (l), the two faces joining.

L'usage du bandage(l) convient à n'importe quel type de jante (2) classique sans affecter les équilibrages statique ou dmynamique de la roue (7) ni le fonctionnement du pneu (8) et de la valve (9). A ce sujet, le bandage comporte une rainure (10) latérale ou un trou traversant de part en part qui sert de logement interne à la valve (9) et au passage de l'air provenant de celle - ci dans la chambre (4) du pneu (8).The use of the tire (l) is suitable for any type of conventional rim (2) without affecting the static or dynamic balancing of the wheel (7) or the functioning of the tire (8) and the valve (9). In this regard, the bandage has a lateral groove (10) or a through-through hole which serves as internal housing for the valve (9) and for the passage of the air coming from the latter into the chamber (4). of the tire (8).

L'élasticité du bandage (1) permet son montage sur la jante (2) de la roue (7).The elasticity of the tire (1) allows it to be mounted on the rim (2) of the wheel (7).

Une échancrure transversale peut être envisagée pour faciliter la pose et dépose du bandage (1) par outillage adapté. Les montage : démontage du pneu (8) et du bandage (l)sur la jante (2) s'effectuent ensemble. Le bandage (1) s'automaintient sur la jante (2) par sa forme et son élasticité.A transverse notch can be envisaged to facilitate the installation and removal of the bandage (1) by suitable tools. The assemblies: disassembly of the tire (8) and the tire (l) on the rim (2) are carried out together. The bandage (1) is self-supporting on the rim (2) by its shape and its elasticity.

Le système prévoit la possibilité de réaliser le bandage (1) en plusieurs parties dont l'ensemble affecte la forme d'un anneau.The system provides for the possibility of making the bandage (1) in several parts, the whole of which takes the form of a ring.

Ces parties sont fixées soit entre elles, ou soit sur le fond de la jante (2) percée d'orifices prévus à cet effet,par des écrous/boulons par exemple ou tout autre système de fixation qui peut également servir à renformer le maintient du bandage (1) monobloc.These parts are fixed either between themselves, or either on the bottom of the rim (2) pierced with holes provided for this purpose, by nuts / bolts for example or any other fixing system which can also be used to reinforce the maintenance of the one-piece bandage (1).

L'utilisation du bandage (1) permet à l'usager de se dépanner d'un ou plusieurs pneus (8) crevés sans avoir à changer la ou les roues (7) pour rejoindre une station afin d'effectuer la réparation. The use of the tire (1) allows the user to repair one or more punctured tires (8) without having to change the wheel (s) (7) to reach a station in order to carry out the repair.

Claims

1 Breakdown device for driving with one or more punctured tires without the risk of damaging them, characterized by a bandage of resistant and relatively flexible material such as rubber, for example surrounding the rim of the wheel and integrated in the tire chamber. The system applies to tubeless tires, that is to say tubeless tires.

2 Device according to claim 1 characterized in that the bandage (1) shown in Figure 1 has the shape of a ring whose internal diameter corresponds to the bottom of that of the rim (2) on which it is supported between its lower flanges which maintain it avoiding any lateral displacement.

The rim profile defines the shape and the dimensions of the section of the tire (1) shown in FIG. 2 between the beads (3) and the chamber (4) of the tire so as not to generate the normal deformations thereof. from rolling.

3 Device according to the preceding claims characterized in that the external diameter of the tire (1) is greater than that of the ends or edges of the rim (2) in order to prevent the latter from jamming and cutting the sidewalls (5) against the ground during tire puncture (8). In this case, the internal face of the tread (6) comes to rest on the external face of the tire (1) which supports the weight.

Any type of wheel (7) shown in Figure 3 can receive the tire (1) which can be in one piece or in several parts fixed either between themselves or on the bottom of the rim (2) pierced with holes provided for this purpose by bolts / nuts for example or other fixing system.The bandage can be made of solid material, hollowed out or composed of compressed air chamber having a thick wall.

A lateral groove (10) or a hole passing through the bandage (1) serves as a housing for the valve (9) and for the passage of air.