ES1146786U - Removable tire tread (Machine-translation by Google Translate, not legally binding) - Google Patents

Removable tire tread (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES1146786U
ES1146786U ES201500722U ES201500722U ES1146786U ES 1146786 U ES1146786 U ES 1146786U ES 201500722 U ES201500722 U ES 201500722U ES 201500722 U ES201500722 U ES 201500722U ES 1146786 U ES1146786 U ES 1146786U
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tread
tire
removable
layer
additional layer
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ES201500722U
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Spanish (es)
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ES1146786Y (en
Inventor
Valentinovich NIKISHIN DENIS
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Nikishin GmbH
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Individual
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Abstract

Removable tire tread made in the form of an annular envelope of elastomeric material, the envelope comprising a tread layer, a tire, and an inner layer, characterized in that an additional layer made of elastomeric material and configured to engage a the integral tread of a tire is placed on the inner layer, in which the friction factor of the material of the additional layer is greater than the friction factor of the material of the inner layer and the hardness of the material of the additional layer is lower than the hardness of the inner layer material. (Machine-translation by Google Translate, not legally binding)

Description

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DESCRIPCIONDESCRIPTION

El modelo de utilidad se refiere a bandas de rodaduras de neumaticos, en particular, a una banda de rodadura de neum£tico extraible que puede usarse como una banda de rodadura reemplazable para neumaticos de diferentes tipos de vehlculos a motor de diferente capacidad de transporte, dependiendo del entomo de conduccion y las condiciones de funcionamiento del vehlculo.The utility model refers to tire tread bands, in particular, to a removable tire tread that can be used as a replaceable tread for tires of different types of motor vehicles of different transport capacity, depending on the driving environment and the operating conditions of the vehicle.

TECNICA ANTERIORPREVIOUS TECHNIQUE

Normalmente, hay muchos tipos de disposiciones destinadas a mejorar las propiedades de marcha de los vehlculos, disposiciones para montarse sobre neumaticos de vehlculos cuando se usan en condiciones extremas, por ejemplo, mientras se conduce sobre carreteras nevadas y heladas y para la conduccion todo terreno.Normally, there are many types of provisions designed to improve the running properties of vehicles, provisions for mounting on vehicle tires when used in extreme conditions, for example, while driving on snowy and icy roads and for all-terrain driving.

Este objetivo es particularmente importante para vehlculos de carga que nunca usan neumaticos de invierno ya que son bastante costosos. Una situacion similar ocurre respecto a los coches deportivos, que se vuelven practicamente incontrolables en condiciones meteorologicas extremas.This objective is particularly important for cargo vehicles that never use winter tires since they are quite expensive. A similar situation occurs with respect to sports cars, which become practically uncontrollable in extreme weather conditions.

Junto con el objetivo de proporcionar disposiciones destinadas a mejorar las propiedades de marcha de neumaticos de vehlculos en condiciones de invierno, existe el objetivo de proporcionar disposiciones capaces de proteger los neumaticos de invierno durante un empleo a corto plazo a temperaturas ambientales positivas que se sabe que causa un desgaste mas r&pido de los neumaticos.Together with the objective of providing provisions aimed at improving the running properties of vehicle tires in winter conditions, there is an objective to provide provisions capable of protecting winter tires during short-term use at positive ambient temperatures known to be causes faster tire wear.

Un objetivo mas es proporcionar bandas de rodaduras extralbles que se van a montar sobre las bandas de rodadura de neumaticos gastadas para recauchutar los neumaticos.A further objective is to provide removable tread bands that are to be mounted on the treads of worn tires to retread the tires.

Actualmente, un modo de lograr los objetivos que se han mencionado anteriormente es proporcionar bandas de rodadura extralbles con forma anular que se van a montar sobre los neumaticos. La fijacion de las bandas de rodadura anulares sobre los neumaticos es la cuestion mas importante al pasar curvas de la carretera y conducir en una carretera accidentada, cuando se producen fuerzas laterales sustanciales.Currently, one way to achieve the aforementioned objectives is to provide extractable, annularly shaped treads that are to be mounted on the tires. The fixing of the annular treads on the tires is the most important issue when passing road curves and driving on a rough road, when substantial lateral forces occur.

Hay un neumatico de vehlculo que tiene una banda de rodadura extraible, que comprende un cuerpo y un aro de la banda de rodadura montado por contraction en elThere is a vehicle tire that has a removable tread, which comprises a body and a tread ring mounted by contraction in the

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mismo, teniendo el aro de la banda de rodadura una cubierta inextensible, en el que las superficies de montaje del cuerpo de neumatico y el aro de la banda de rodadura extraible son pianos y el aro de la banda de rodadura se mantiene por salientes laterales del cuerpo de neumatico.same, the tread ring having an inextensible cover, in which the mounting surfaces of the tire body and the removable tread ring are pianos and the tread ring is maintained by lateral projections of the Tire body

Un inconveniente de esta disposition son las considerables tensiones que se producen en las superficies laterales durante el uso de los neumaticos debido a fuerzas laterales, lo que provoca una rapida destruction de los salientes laterales y un ajuste holgado del aro de la banda de rodadura al cuerpo del neumatico.A disadvantage of this arrangement is the considerable tensions that occur on the lateral surfaces during the use of the tires due to lateral forces, which causes a rapid destruction of the lateral projections and a loose adjustment of the tread ring to the body of the tire.

Generalmente, las superficies de acoplamiento del neumatico y el aro de la banda de rodadura son procesan especialmente para fijar de forma segura el aro de la banda de rodadura al cuerpo del neumatico.Generally, the tire coupling surfaces and the tread ring are specially processed to securely fix the tread ring to the tire body.

La patente de Estados Unidos 3557858 desvela la configuration de un neumatico complete que tiene una banda de rodadura extraible y que consiste en dos partes, un neumatico y un aro extraible. Para mantenerla la fijacidn segura del aro extraible al neumatico, la parte de corona del neumatico tiene surcos anulares que acoplan salientes reciprocos situados sobre la superficie interna del aro extraible de manera que los salientes se situen en el interior de los surcos del neumatico despues de la operacion de montaje.US Patent 3557858 discloses the configuration of a complete tire that has a removable tread and consists of two parts, a tire and a removable ring. In order to keep it secure from the tire extractable to the tire, the crown part of the tire has annular grooves that engage reciprocal projections located on the inner surface of the removable ring so that the projections are located inside the tire grooves after the assembly operation.

Esta configuration requiere la alineacion exacta de los surcos del neumatico y losa salientes de los aros extraibles, de otra manera el aro podria salirse del neumatico al pasar una curva de la carretera.This configuration requires the exact alignment of the grooves of the tire and slab protruding from the removable rings, otherwise the hoop could leave the tire when passing a curve of the road.

Un inconveniente de los neumaticos que tienen bandas de rodadura extraibles fijadas usando los surcos en la parte de corona de la carcasa del neumatico es el riesgo de que se obstruyan los surcos, causando molestias de fijacion y el desprendimiento de la banda de rodadura y la degradation de la resiliencia del neumatico.A drawback of tires that have removable treads fixed using the grooves in the crown part of the tire's casing is the risk that the grooves will be clogged, causing fixation inconvenience and detachment of the tread and degradation of tire resilience.

Para mejorar la seguridad de fijacion del aro de la banda de rodadura al neumatico, y aumentar la rigidez lateral, se ha propuesto una configuracidn de banda de rodadura extraible en la patente RU 253603, en la que se proporcionan unas superficies de acoplamiento del cuerpo y el anillo de la banda de rodadura extraible en forma de superficies de paso reciprocas conicas. El diametro de la parte central del neumatico y el di&metro de la parte central del aro de la banda de rodadura disminuyen hacia el eje de simetria de la section transversal del neumatico, y las superficies laterales conicas del mismo se inclinan de forma reciproca.In order to improve the safety of fixing the tire tread ring, and increase the lateral stiffness, a removable tread configuration has been proposed in the RU 253603 patent, in which body coupling surfaces are provided and the removable tread ring in the form of conical reciprocal passage surfaces. The diameter of the central part of the tire and the diameter of the central part of the tread ring decrease towards the axis of symmetry of the cross-section of the tire, and the conical lateral surfaces thereof are reciprocally inclined.

Contrariamente a las configuraciones que se han mencionado anteriormente, en las que se monta una banda de rodadura extraible usando surcos u otros elementos de estructura situados dentro de la carcasa del neumatico, se configure una banda de rodadura extraible de la patente RU 2245797 para incluir la superficie externa del neumatico y laContrary to the configurations mentioned above, in which a removable tread is mounted using grooves or other structure elements located inside the tire's housing, a removable tread of the RU 2245797 patent is configured to include the outer surface of the tire and the

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mayor parte de su superficie lateral. La superficie interna de la banda de rodadura tiene un manto de felpa cuyo diametro interno es un 1-2 % mas pequeno que el diametro externo del neumatico. Adicionalmente, la diferencia de esta configuracibn de todo lo que se ha mencionado anteriormente es que la banda de rodadura extraible se montarb en un neumatico convencional, no en una carcasa configurada especialmente con ranuras, surcos, etc. Estos neumaticos tipo carcasa no pueden usarse sin bandas de rodadura, por lo que la aplicacion de los mismos es bastante limitada.most of its lateral surface. The inner surface of the tread has a plush mantle whose inner diameter is 1-2% smaller than the outer diameter of the tire. Additionally, the difference in this configuration from everything mentioned above is that the removable tread will be mounted in a conventional tire, not in a housing specially configured with grooves, grooves, etc. These casing-type tires cannot be used without treads, so their application is quite limited.

Un inconveniente de esta configuracibn consiste en que la banda de rodadura extraible duplica tecnicamente la configuracion, la estructura y el tamano de un neumatico, por lo que su coste es comparable al coste del propio neumatico.A drawback of this configuration is that the removable tread technically duplicates the configuration, structure and size of a tire, so its cost is comparable to the cost of the tire itself.

El documento RU 96064 es otra configuracibn de una banda de rodadura de neumbtico extraible, donde la banda de rodadura extraible se monta en un neumatico sin necesidad de tratamiento especial de la banda de rodadura de neumatico integral, es decir, en un neumatico tal cual, cuando hay necesidad de modificar las propiedades del neumatico de acuerdo con el cambio en el entorno de conduccibn, incluyendo el cambio rapido de las condiciones meteorolbgicas, variaciones de topografia del terreno, etc. Esta configuracion esta considerada como la tecnica previa mas cercana.RU 96064 is another configuration of a removable tire tread, where the removable tread is mounted on a tire without the need for special treatment of the integral tire tread, that is, on a tire as is, when there is a need to modify the properties of the tire according to the change in the driving environment, including the rapid change of meteorological conditions, terrain topography variations, etc. This configuration is considered as the closest prior technique.

En esta configuracibn, la banda de rodadura extraible se proporciona en forma de una envoltura anular que tiene un diametro interno considerablemente igual al diametro externo del neumatico. La envoltura anular tiene un patrbn de banda de rodadura y una estructura similar a la estructura de un neumatico. La envoltura anular se configura para fijarse sobre la cubierta de la banda de rodadura del neumatico aumentando la presibn en el neumatico hasta su valor nominal. El montaje y desmontaje de la envoltura anular en y del neumatico se realizan disminuyendo la presibn en el neumatico por debajo del valor atmosferico, mientras que la fijacibn de la envoltura en la cubierta de la banda de rodadura se realiza aumentando la presibn en el neumatico hasta su valor nominal.In this configuration, the removable tread is provided in the form of an annular envelope having an internal diameter considerably equal to the external diameter of the tire. The ring wrap has a tread pattern and a structure similar to the structure of a tire. The annular envelope is configured to be fixed on the tire tread cover by increasing the tire pressure to its nominal value. The assembly and disassembly of the annular envelope in and of the tire are carried out by lowering the pressure in the tire below the atmospheric value, while fixing the envelope in the tread cover is carried out by increasing the pressure in the tire until its nominal value

Esta configuracibn es la mbs sencilla y conveniente entre las configuraciones que se han indicado anteriormente. Sin embargo, es eficaz unicamente cuando todos los neumaticos del vehiculo estbn desgastados por igual. Si el diametro del neumatico es menor, la banda de rodadura extraible puede fijarse holgadamente sobre el neumatico, y si el dibrnetro del neumatico es mayor, la banda de rodadura extraible apenas puede monta rse.This configuration is the simplest and most convenient among the configurations indicated above. However, it is effective only when all vehicle tires are worn equally. If the tire diameter is smaller, the removable tread can be loosely fixed on the tire, and if the tire's gauge is larger, the removable tread can barely be mounted.

Adembs, al pasar por curvas de la carretera, frenar con fuerza o conducir sobre carreteras accidentadas, mantener la banda de rodadura extraible sobre el neumatico por medio de presibn en el neumatico sblo no es suficientemente seguro, y esto puede causar el deslizamiento de la banda de rodadura extraible fuera del neumatico.Also, when passing through road curves, braking hard or driving on rugged roads, keeping the tread removable on the tire by means of pressure on the sblo tire is not safe enough, and this can cause the band to slip. of removable tread outside the tire.

RESUMEN DEL MODELO DE UTILIDADSUMMARY OF THE UTILITY MODEL

El modelo de utilidad reivindicado tiene el objeto de proporcionar una banda de 5 rodadura de neumatico extraible, cuya configuracion y disposicion proporcionan una fijacion sencilla y segura de la banda de rodadura extraible al neumatico.The claimed utility model is intended to provide a removable tire tread band, the configuration and arrangement of which provide a simple and secure fixation of the tire's removable tread.

De acuerdo con el modelo de utilidad, se proporciona una banda de rodadura de neumatico extraible en forma de una envoltura anular hecha de material elastom§rico, comprendiendo la envoltura una capa de banda de rodadura, una cubierta y una capa 10 interna. Esta ultima lleva una capa adicional hecha de material elastomerico, configurada para acoplar la banda de rodadura de neumatico, donde el factor de friccion de la capa adicional es mas alto que el factor de friccidn de la capa interna de la envoltura anular y la dureza de la capa adicional es inferior a la dureza de la capa interna. La capa adicional puede fabricarse de caucho o poliuretano que tiene un factor de friccion de 0,5 a 15 1,0 unidades y una dureza Shore A de 20 a 45 unidades.According to the utility model, a removable tire tread is provided in the form of an annular wrap made of elastomeric material, the wrapper comprising a tread layer, a cover and an inner layer 10. The latter has an additional layer made of elastomeric material, configured to fit the tire tread, where the friction factor of the additional layer is higher than the friction factor of the inner layer of the annular shell and the hardness of The additional layer is less than the hardness of the inner layer. The additional layer can be made of rubber or polyurethane having a friction factor of 0.5 to 15 1.0 units and a Shore A hardness of 20 to 45 units.

La banda de rodadura reivindicada extraible es sencilla y fiable durante el uso entre todos los dispositivos que se han mencionado anteriormente con el mismo fin y puede usarse repetidamente durante un largo periodo de tiempo. La envoltura anular se fija sobre el neumatico por el acoplamiento de la capa adicional con los elementos de la banda de 20 rodadura de neumatico, a saber, por la hendidura de la capa adicional en el patron de la banda de rodadura de neumatico mientras el neumatico se infla hasta su presion nominal.The removable claimed tread is simple and reliable during use among all the devices mentioned above for the same purpose and can be used repeatedly for a long period of time. The annular envelope is fixed on the tire by the coupling of the additional layer with the elements of the tire tread, namely, by the recess of the additional layer in the pattern of the tire tread while the tire It inflates to its nominal pressure.

Una ventaja importante del modelo de utilidad consiste en que la banda de rodadura extraible se ajusta de forma segura sobre el neumatico incluso si los neumaticos del mismo tarnaho nominal tienen un tarnaho real diferente debido a un desgaste desigual de los 25 mismos.An important advantage of the utility model is that the removable tread fits securely over the tire even if the tires of the same nominal tarnaho have a different real tarnaho due to uneven wear of the tires.

La configuracion reivindicada de la banda de rodadura extraible asegura un ajuste seguro de la envoltura al neumatico mientras se conduce por una via plana, asi como al pasar por curvas de la via con una carga sustancial que se produce debido a las fuerzas laterales.The claimed configuration of the removable tread ensures a secure fit of the tire to the tire while driving on a flat track, as well as when passing through curves of the track with a substantial load that occurs due to lateral forces.

30 De acuerdo con una realization del modelo de utilidad reivindicado, la capa adicional30 According to an embodiment of the claimed utility model, the additional layer

se proporciona como una parte integral de la capa interna del aro anular o la capa adicional se fija a la misma por medio de pegamento o union mecanica. Para garantizar la union mecanica entre la capa adicional y la capa interna de la envoltura anular, esta ultima esta dotada de una pluralidad de salientes, y la capa adicional esta dotada de una pluralidad de 35 aberturas reciprocas.it is provided as an integral part of the inner layer of the annular ring or the additional layer is fixed thereto by means of glue or mechanical joint. In order to guarantee the mechanical union between the additional layer and the inner layer of the annular envelope, the latter is provided with a plurality of projections, and the additional layer is provided with a plurality of 35 reciprocal openings.

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De acuerdo con otra realization del modelo de utilidad, la capa adicional consiste en varias capas. Esta configuration de la banda de rodadura extraible permite su aplicacion con neumaticos del mismo tamano nominal, pero que tienen un tamafio real mas diferente.According to another realization of the utility model, the additional layer consists of several layers. This configuration of the removable tread allows its application with tires of the same nominal size, but which have a more different real size.

En todas las realizaciones de la banda de rodadura extraible, el grosor de la capa adicional varia de 2 a 12 mm.In all embodiments of the removable tread, the thickness of the additional layer varies from 2 to 12 mm.

La banda de rodadura reivindicada extraible es compacta y economica. Su etiqueta puede incluir el modelo (la marca), el tipo y las propiedades tecnicas.The removable claimed tread is compact and economical. Your label may include the model (brand), type and technical properties.

Ademas, la banda de rodadura extraible puede montarse en una banda de rodadura de neumatico gastada y usarse satisfactoriamente durante mucho tiempo.In addition, the removable tread can be mounted on a worn tire tread and used successfully for a long time.

La fijacion y la separation de la banda de rodadura extraible es senciila y puede realizarse por una unica persona en condiciones de ruta usando un compresor de doble action.The fixation and separation of the removable tread is simple and can be done by a single person in road conditions using a double action compressor.

Un resultado tecnico del modelo de utilidad es ia senciila configuration y la mejora de ia seguridad de la fijacion de la banda de rodadura extraible al neumatico; adicionalmente, puede usarse multiples veces.A technical result of the utility model is the simple configuration and the improvement of the safety of the fixation of the tire tread removable; Additionally, it can be used multiple times.

Otro resultado tecnico es que la banda de rodadura extraible puede usarse cuando los neumaticos del mismo tamano nominal tienen un tamano real diferente debido a un desgaste desigual de los mismos.Another technical result is that the removable tread can be used when tires of the same nominal size have a different actual size due to uneven wear thereof.

El modelo de utilidad se desvela en m&s detalle en el ejemplo siguiente que no puede interpretarse como el exclusivo y unicamente posible dentro del alcance del modelo de utilidad reivindicado, con la referencia a los dibujos adjuntos.The utility model is disclosed in more detail in the following example that cannot be interpreted as exclusive and only possible within the scope of the claimed utility model, with reference to the attached drawings.

BREVE DESCRIPClON DE DIBUJOSBRIEF DESCRIPTION OF DRAWINGS

La figura 1 representa una section transversal de una banda de rodadura extraibleFigure 1 represents a cross section of a removable tread

montada en un neumatico, de acuerdo con el modelo de utilidad.mounted on a tire, according to the utility model.

La figura 2 representa una realization de la banda de rodadura extraible.Figure 2 represents an embodiment of the removable tread.

La figura 3 representa otra realization de la banda de rodadura extraible.Figure 3 represents another embodiment of the removable tread.

DESCRIPClON DETALLADA DEL MODELO DE UTILIDADDETAILED DESCRIPTION OF THE UTILITY MODEL

Se proporciona una banda de rodadura de neumatico extraible en forma de una envoltura anular 1 (figura 1) que se va a montar en un neumatico 2. La envoltura anular 1 est& hecha de material elastom6rico y comprende una capa de banda de rodadura 3, una cubierta 4, y una capa interna 5 que tiene una capa adicional 6 hecha de material elastomerico, donde el factor de friction del material de la capa adicional 6 es mas alto queA removable tire tread is provided in the form of an annular wrap 1 (Figure 1) to be mounted on a tire 2. The annular wrap 1 is made of elastomeric material and comprises a tread layer 3, a cover 4, and an inner layer 5 having an additional layer 6 made of elastomeric material, where the friction factor of the material of the additional layer 6 is higher than

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el factor de friccion del material de la capa interna 5 en la envoltura anular 1 y la dureza del material de la capa adicional 6 es inferior a la dureza del material de la capa interna 5. Estas propiedades del material de la capa adicional 6 aseguran una union segura de la banda de rodadura extraible al neumatico.the friction factor of the material of the inner layer 5 in the annular shell 1 and the hardness of the material of the additional layer 6 is less than the hardness of the material of the inner layer 5. These properties of the material of the additional layer 6 ensure a secure connection of the tire tread to the tire.

Esto es ventajoso para usar caucho con un factor de friccion de 0,5 a 1,0 unidades y una dureza Shore A de 20 a 45 unidades como el material de la capa adicional. El intervalo indicado de los valores del factor de friccion este disponible a partir de experimentos y corresponde al factor de friccion para el par de caucho/asfalto. La dureza Shore A minima del material no sera menor de 20 unidades ya que el material de menor dureza pierde sus propiedades de resistencia y no puede sostener la banda de rodadura extraible cuando el neumatico se expone a la accion lateral. Para asegurar la capacidad de deformacion de la capa adicional 6, la dureza Shore A del material no excedera de 45 unidades. Puede usarse una combination de cauchos a base de isopreno como base elastomerica, en particular, puede combinarse caucho SIR-20 con caucho de isopreno natural SKI-3, teniendo ambos el mayor factor de friccion y la mayor elasticidad entre los cauchos para fines generates. Los cauchos a base de isopreno tienen buenas propiedades de procesamiento; se mezclan facilmente con otros tipos de caucho para fines generates y otros componentes, pueden procesarse facilmente y no requieren el uso de plastificantes.This is advantageous for using rubber with a friction factor of 0.5 to 1.0 units and a Shore A hardness of 20 to 45 units as the material of the additional layer. The indicated range of friction factor values is available from experiments and corresponds to the friction factor for the rubber / asphalt pair. The minimum Shore hardness of the material shall not be less than 20 units since the less hard material loses its resistance properties and cannot support the removable tread when the tire is exposed to lateral action. To ensure the deformability of the additional layer 6, the Shore A hardness of the material shall not exceed 45 units. A combination of isoprene-based rubbers can be used as an elastomeric base, in particular, SIR-20 rubber can be combined with SKI-3 natural isoprene rubber, both having the highest friction factor and the greatest elasticity between rubbers for general purposes. Isoprene-based rubbers have good processing properties; They mix easily with other types of rubber for general purposes and other components, can be easily processed and do not require the use of plasticizers.

El grosor de la capa adicional 6 no sera menor de 2 mm porque un menor grosor de la misma no proporciona resultados deseables; mientras tanto, no sera mayor de 12 mm porque un mayor grosor de la misma aumenta innecesariamente el peso de la banda de rodadura extraible y el diametro final del neumatico, impidiendo de este modo la instalacion del neumatico en el arco de rueda del vehiculo.The thickness of the additional layer 6 will not be less than 2 mm because a smaller thickness thereof does not provide desirable results; meanwhile, it will not be more than 12 mm because a greater thickness thereof unnecessarily increases the weight of the removable tread and the final tire diameter, thus preventing the installation of the tire in the vehicle's wheel arch.

La banda de rodadura extraible puede montarse en un neumatico operativo conventional o en un neumatico parcialmente gastado para ampliar la vida util del mismo.The removable tread can be mounted on a conventional operating tire or on a partially worn tire to extend its useful life.

La figura 1 muestra esquematicamente la penetration (hendidura) de la capa adicional 6 en los surcos 7 de la banda de rodadura del neumatico 2, asegurando de este modo una unibn segura a la banda de rodadura.Figure 1 schematically shows the penetration (slit) of the additional layer 6 in the grooves 7 of the tire tread 2, thereby ensuring a secure connection to the tread.

La capa de caucho blando adicional 6 puede proportionate como una parte integral de la banda de rodadura extraible durante la vulcanization sincronica de la misma, o puede fijarse usando pegamento 8 (figura 2), o de otro modo, puede fijarse mecanicamente (figura 2). En el ultimo caso, la capa interna 5 de la banda de rodadura extraible esta dotada de salientes 9, y la capa adicional 6 este dotada de aberturas 10 que se acoplan con los salientes 9.The additional soft rubber layer 6 can be proportionate as an integral part of the removable tread during the synchronous vulcanization thereof, or it can be fixed using glue 8 (figure 2), or otherwise, it can be mechanically fixed (figure 2) . In the latter case, the inner layer 5 of the removable tread is provided with projections 9, and the additional layer 6 is provided with openings 10 that are coupled with the projections 9.

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De acuerdo con otra realizacion mas del modelo de utilidad, la capa adicional 6 puede componerse por varias capas que tienen las mismas propiedades, pero de diferente grosor.According to another embodiment of the utility model, the additional layer 6 can be composed of several layers that have the same properties, but of different thickness.

Esta realizacion es ventajosa cuando las bandas de rodadura extraibles se montan en neumaticos que tienen diferente grado de desgaste ya que proporciona una fuerza de retraccion optima para cada neumatico.This embodiment is advantageous when the removable treads are mounted on tires that have a different degree of wear since it provides an optimum retraction force for each tire.

La banda de rodadura extraible se monta disminuyendo la presion en el neumatico por debajo del valor atmosferico, poniendo facilmente la envoltura anular sobre el neumatico y aumentando la presion en el neumatico hasta su valor nominal.The removable tread is mounted by lowering the tire pressure below the atmospheric value, easily putting the annular envelope over the tire and increasing the tire pressure to its nominal value.

La banda de rodadura reivindicada extraible es compacta y economica. Puede producirse usando equipo de produccion de neum£ticos existente y usarse repetidamente durante varias estaciones.The removable claimed tread is compact and economical. It can be produced using existing tire production equipment and used repeatedly for several seasons.

Claims (5)

REIVINDICACIONES 1. Banda de rodadura de neum£tico extralble hecha en forma de envoltura anular de material elastomgrico, comprendiendo la envoltura una capa de banda de rodadura, una 5 cubierta, y una capa interna, caracterizada por que una capa adicional hecha de material elastom6rico y configurada para acoplar una banda de rodadura integral de un neum£tico se situa sobre la capa interna, en la que el factor de friccion del material de la capa adicional es mayor que el factor de friccion del material de la capa interna y la dureza del material de la capa adicional es inferior a la dureza del material de la capa interna.1. Extralble tire tread made in the form of an annular wrap of elastomagic material, the wrapper comprising a tread layer, a cover, and an inner layer, characterized in that an additional layer made of elastomeric material and configured to attach an integral tread of a tire is located on the inner layer, in which the friction factor of the material of the additional layer is greater than the friction factor of the material of the inner layer and the hardness of the Additional layer material is less than the hardness of the inner layer material. 10 2. Banda de rodadura extralble de la reivindicacion 1, caracterizada por que el10 2. Removable tread of claim 1, characterized in that the material de la capa adicional tiene un factor de friccion de 0,5 a 1,0 unidades y una dureza Shore A de 20 a 45 unidades.Additional layer material has a friction factor of 0.5 to 1.0 units and a Shore A hardness of 20 to 45 units. 3. Banda de rodadura extralble de la reivindicacion 1, caracterizada por que la capa adicional se proporciona como una parte integral de la capa interna del anillo anular.3. The removable tread of claim 1, characterized in that the additional layer is provided as an integral part of the inner layer of the annular ring. 15 4. Banda de rodadura extralble de la reivindicacion 1, caracterizada por que la capa15 4. Removable tread of claim 1, characterized in that the layer adicional se fija a la capa interna del anillo anular mediante pegamento o union mecanica.additional is fixed to the inner layer of the annular ring by means of glue or mechanical union. 5. Banda de rodadura extralble de la reivindicacion 4, caracterizada por que, para asegurar la union mecanica entre la capa adicional y la capa interna del anillo anular, el ultimo est£ dotado de una pluralidad de salientes, y la capa adicional esta dotada de una5. The removable tread of claim 4, characterized in that, in order to ensure mechanical bonding between the additional layer and the inner layer of the annular ring, the latter is provided with a plurality of projections, and the additional layer is provided with a 20 pluralidad de aberturas reclprocas.20 plurality of reciprocal openings. 6. Banda de rodadura extralble de la reivindicacidn 1, caracterizada por que la capa adicional consiste en varias capas de material elastomerico.6. The removable tread of claim 1, characterized in that the additional layer consists of several layers of elastomeric material. 7. Banda de rodadura extralble de la reivindicacion 1, caracterizada por que el grosor de la capa adicional esta en el intervalo de 2 a 12 mm.7. Removable tread of claim 1, characterized in that the thickness of the additional layer is in the range of 2 to 12 mm. 2525 3030
ES201500722U 2015-03-10 2015-10-22 Removable tire tread Expired - Fee Related ES1146786Y (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2015108117 2015-03-10
RU2015108117/11U RU154694U1 (en) 2015-03-10 2015-03-10 REPLACEMENT PROTECTOR FOR PNEUMATIC TIRE

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ES1146786Y ES1146786Y (en) 2016-02-22

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ES1146786Y (en) 2016-02-22
RU154694U1 (en) 2015-08-27

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