DE102019206168A1 - Process for making a tire - Google Patents

Abstract

The invention relates to a method for producing a tire (1) which is provided for receiving an operating component, comprising the following steps: providing a green tire (1); providing a holding device (3), the holding device (3) being a holding component (5) and a separating component (4), wherein the separating component (4) is provided so that it does not enter into a material connection with the green tire (1) during vulcanization, and wherein the holding component (4) has a holding area (6) and has a material connection area (7), the material connection area (7) being provided so that it enters into a material connection with the green tire (1) during vulcanization; - arranging the holding device (3) on an inner tire layer (2) of the green tire (1) - Vulcanizing the green tire (1).

Description

The invention relates to a method, to a green tire and to a vulcanized tire.

The invention is based on a method for producing a tire which is provided for receiving an operating component.

The operating component can be a sensor, for example. The sensor is provided in particular to detect a state variable of the tire. The state variable can be, for example, a temperature or a pressure. The operating component is, for example, a pressure sensor or a temperature sensor.

Methods are known from the prior art by means of which operating components and holding devices for operating components can be attached to an inner layer of a tire. For example, it is known from the prior art to apply operating components and holding devices for operating components to the tire inner layer by means of an adhesive. In the case of tires in which an operating component or one and holding devices for operating components are glued to the tire inner layer, removal or replacement of the operating component or the holding device could be associated with a high level of technical effort.

The invention is therefore based on the object of providing an improved method for producing a tire which is provided for receiving an operating component, in which, for example, removal or replacement of the operating component is made less complex.

• - Bereitstellen eines Reifenrohlings;
• - Bereitstellen einer Haltevorrichtung, wobei die Haltevorrichtung eine Haltekomponente und eine Trennkomponente aufweist, wobei die Trennkomponente dazu vorgesehen ist, dass sie während einer Vulkanisation keine stoffschlüssige Verbindung mit dem Reifenrohling eingeht, und wobei die Haltekomponente einen Haltebereich und eine Stoffschlussbereich aufweist, wobei der Stoffschlussbereich dazu vorgesehen ist, dass er während einer Vulkanisation eine stoffschlüssige Verbindung mit dem Reifenrohling eingeht;
• - Anordnen der Haltevorrichtung auf einer Reifeninnenschicht des Reifenrohlings;
• - Vulkanisieren des Reifenrohlings.

The object according to the invention is achieved in that the method has the following steps:

• - providing a green tire;
• Provision of a holding device, the holding device having a holding component and a separating component, the separating component being provided so that it does not enter into a material connection with the green tire during vulcanization, and wherein the holding component has a holding area and a material connection area, the material connection area for this purpose it is provided that it enters into a material bond with the green tire during vulcanization;
• Arranging the holding device on an inner tire layer of the green tire;
• - Vulcanizing the green tire.

Due to the fact according to the invention, according to which the method has the steps according to the invention, a holding device can be attached to the tire inner layer with little effort in such a way that, for example, removal or replacement of an operating component is simplified. In particular, the method according to the invention can be controlled sufficiently well during tire production. Furthermore, post-processing on a tire that has already been vulcanized is not necessary.

An improved method is thus provided.

The invention also relates to a green tire. The green tire has an inner tire layer. A holding device is arranged on the tire inner layer, the holding device having a separating component and a holding component. The holding component is provided for receiving an operating component and has a holding area and a material connection area. The separating component is spatially arranged between the holding area and the tire inner layer and the material connection area is arranged directly on the tire inner layer and connected to the holding area.

The invention finally relates to a tire, the tire having been produced by vulcanization of a green tire according to the invention or by carrying out a method according to the invention.

In particular, the tire is a radial tire.

Furthermore, the tire can be a tube with a tube or a tubeless tire.

The tire is in particular a truck tire, a car tire or a bicycle tire or a motorcycle tire or a tire which is used in the agricultural sector, in mining on construction sites or in ports.

Further advantageous embodiments of the present invention are the subject of the subclaims.

According to a preferred embodiment of the method according to the invention, the holding device is arranged in a head region of the inner tire layer of the green tire before the vulcanization of the green tire.

A head area of the tire inner layer is a central area of the tire inner layer.

According to a next preferred embodiment of the method according to the invention, the release component is removed after the vulcanization of the green tire.

Alternatively, the separating component can be left permanently in the tire.

According to a next preferred embodiment of the method according to the invention, the material connection area is made from the same material as the tire inner layer. The tire inner layer and the material connection area are formed, for example, from halobutyl, that is to say isobutene-isoprene rubber.

Due to the fact according to the invention, according to which the material connection area is made of the same material as the tire inner layer, a sufficiently resilient and durable material connection between the material connection area and the tire inner layer can be ensured.

According to a next preferred embodiment of the method according to the invention, the separating component is formed from paper, from a composite of paper and silicone, from a metal, in particular aluminum, or from a fabric tape.

According to a next preferred embodiment of the method according to the invention, the material bond area is pre-vulcanized at a temperature of 160 ° C. for a period of 15 to 20 minutes, in particular 15 minutes, before the holding device is arranged on the inner tire layer of the green tire.

According to a next preferred embodiment of the method according to the invention, the material connection area is pre-vulcanized by means of electron irradiation before the holding device is arranged on the inner tire layer of the green tire.

According to a next preferred embodiment of the green tire according to the invention, the separating component is made from paper, paper and silicone, a metal, preferably aluminum, or a fabric tape.

According to a preferred embodiment of the green tire according to the invention, the separating component is designed in the form of a film, network or fabric.

According to a preferred embodiment of the green tire according to the invention, the material connection area is made from the same material as the tire inner layer.

According to a preferred embodiment of the green tire according to the invention, the material connection area is pre-vulcanized.

According to a preferred embodiment of the green tire according to the invention, the holding device is arranged in a head region of the green tire.

According to a preferred embodiment of the green tire according to the invention, the holding component is made of an expandable material, for example a rubber material.

Further features, advantages and details, to which the scope of the invention is not limited, will now be described in more detail with reference to the drawings.

• 1: Eine schematische Darstellung eines erfindungsgemäßen Reifenrohlings in Radial schnittansicht;
• 2: Eine schematische Darstellung der Reifeninenschicht eines erfidnusngegmäßen Riefenrohlings.

It shows:

• 1 : A schematic representation of a green tire according to the invention in a radial sectional view;
• 2 : A schematic representation of the inner tire layer of an inventive grooved blank.

In the 1 is a green tire according to the invention 1 shown schematically in radial sectional view. The green tire 1 has a tire inner liner 2 on. On the inner tire layer 2 is a holding device 3 arranged. The holding device 3 has a separating component 4th and a holding component 5 on. The holding component 5 is intended to accommodate an operating component and has a holding area 5 and a bond area 7th on. The separating component 4th is spatially between the holding area 6th and the tire inner liner 2 arranged. The material connection area 7th is directly on the tire inner layer 2 arranged and with the holding area 6th connected.

According to the 1 The illustrated embodiment of the green tire according to the invention is the holding device in a head area 8th of the green tire 1 arranged.

In the 2 is an area of the tire inner liner 2 a green tire according to the invention 1 shown schematically in a plan view.

List of reference symbols

1

Green tire

2

Inner tire layer

3

Holding device

4th

Separating component

5

Holding component

6th

Holding area

7th

Material connection area

8th

Head area

Claims (14)

A method for producing a tire (1) which is intended to accommodate an operating component, comprising the following steps: - providing a green tire (1); - Provision of a holding device (3), the holding device (3) having a holding component (5) and a separating component (4), the separating component (4) being provided so that it does not have a material connection with the green tire (1 ), and wherein the holding component (4) has a holding area (6) and a material connection area (7), the material connection area (7) being provided so that it enters into a material connection with the green tire (1) during vulcanization; - Arranging the holding device (3) on an inner tire layer (2) of the green tire (1); - Vulcanizing the green tire (1). Procedure according to Claim 1 , characterized in that the holding device (3) is arranged in a head region (8) of the inner tire layer (2) of the green tire (1) before the vulcanization of the green tire (1). Method according to one of the preceding claims, characterized in that the separating component (4) is removed after the vulcanization of the green tire (1). Method according to one of the preceding claims, characterized in that the material connection area (7) is formed from the same material as the tire inner layer (2). Method according to one of the preceding claims, characterized in that the separating component (4) is formed from paper, from a composite of paper and silicone, from a metal, in particular aluminum, or from a fabric tape. Method according to one of the preceding claims, characterized in that the material connection area (7) is pre-vulcanized at a temperature of 160 ° C for a period of 15 to 20 minutes, in particular 15 minutes, before the holding device (3) is on the tire inner layer (2 ) of the green tire (1) is arranged or that the material connection area (7) is pre-vulcanized by means of electron irradiation before the holding device (3) is arranged on the inner tire layer (2) of the green tire (1). Green tire (1), the green tire (1) having an inner tire layer (2), a holding device (3) being arranged on the inner tire layer (2), the holding device (3) having a separating component (4) and a holding component (5) wherein the holding component (5) is provided for receiving an operating component and has a holding area (6) and a material connection area (7), and wherein the separating component (4) is spatially arranged between the holding area (4) and the tire inner layer (2) and wherein the material connection area (7) is arranged directly on the tire inner layer (2) and is connected to the holding area (6). Green tire (1) according to the preceding claim, characterized in that the separating component (4) is formed from paper, paper and silicone, a metal, preferably aluminum, or a fabric tape. Green tire (1) according to one of the Claims 7 or 8th , characterized in that the separating component (4) is in the form of a film, network or fabric. Green tire (1) according to one of the Claims 7 to 9 , characterized in that the material connection area (7) is formed from the same material as the tire inner layer (2). Green tire (1) according to one of the Claims 7 to 10 , characterized in that the material connection area (7) is pre-vulcanized. Green tire (1) according to one of the Claims 7 to 11 , characterized in that the holding device (3) is arranged in a head region (8) of the green tire (1). Green tire (1) according to one of Claims 7 to 12, characterized in that the holding component (5) is made from an expandable material, for example a rubber material. Tire (1) produced by a method of Claims 1 to 6th .

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