WO2024094908A1 - Device for bending pipes - Google Patents
Device for bending pipes Download PDFInfo
- Publication number
- WO2024094908A1 WO2024094908A1 PCT/ES2023/070635 ES2023070635W WO2024094908A1 WO 2024094908 A1 WO2024094908 A1 WO 2024094908A1 ES 2023070635 W ES2023070635 W ES 2023070635W WO 2024094908 A1 WO2024094908 A1 WO 2024094908A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hose
- tube
- inflation valve
- pipe
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/08—Bending or folding of tubes or other profiled members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/82—Cores or mandrels
Definitions
- the invention refers to a device for bending tubes that provides, to the function for which it is intended, advantages and characteristics that are described in detail below and that represent an improvement on the current state. of the technique.
- the object of the present invention is a device whose purpose is to facilitate the operation of bending tubes, especially PVC tubes or similar plastic material, and giving them the desired shape and angle without altering the circular section thereof, avoiding cutting and coupling connections. or elbows as is the case until now, for which said device is basically made up of a flexible hose, closed at one end and with an inflation valve at the other, which is introduced inside the tube and, after inflating it, applying heat and A little force allows you to bend the tube with the desired shape very quickly and easily.
- the field of application of the present invention falls within the industry sector dedicated to the manufacture of tools and devices for bending tubes.
- the type of technique or tool will depend on the material with which the tube is made.
- the tube is metallic, for example copper, it can be bent using specific tools such as a tube bender, which basically has two grooved disc sectors linked to lever arms.
- one technique used is to fill the pipe with sand and then heat the material to the point that allows sufficient twisting to reach the desired shape by applying pressure.
- the objective of the present invention is therefore the development of a device that allows improving both systems to make this type of operations can be carried out much more quickly and simply, thereby allowing installers, who may have that designing multiple tube installations with multiple different curves to adapt to the configuration of the structures or buildings in which they are going to be placed, can carry out this work quickly and easily, without it being necessary to add connections and, therefore, making that the installation results more economical, both in material and in time and labor applied.
- the device for bending tubes that the invention proposes is configured as an ideal solution to the aforementioned objective that, at the same time, represents an improvement on what is currently known for the same purpose, the characterizing details that make it possible and that distinguish it being conveniently collected. in the final claims that accompany this description.
- what the invention proposes is a device that, basically consisting of a flexible hose, closed at one end and with an inflation valve at the other, has the purpose of serving as a tool to facilitate the operation of bending tubes, especially PVC tubes or similar plastic material, and being able to give them the desired shape and angle without altering its circular section, for which the hose is simply introduced inside the tube and, after inflating it, applying heat and a little force, allows you to bend the tube with the desired shape extremely quickly and easily.
- the device of the invention saves energy such as light or butane gas that would be used with traditional techniques. All this also means that costs are reduced. With the device object of the invention, the cost of labor and the necessary materials is achieved.
- Figure number 1 Shows a schematic perspective view of a portion of the device, specifically the end of the hose where the inflation valve is incorporated, said valve having been represented without coupling to the body of the hose;
- Figure number 2. Shows a schematic view of the device represented with the hose once incorporated inside the tube to be bent;
- Figure number 3. Shows a view of the device similar to the previous one, in this case with the nozzle of an air compressor coupled to the inflation valve of the device;
- Figure number 4. Shows a view similar to that shown in Figures 2 and 3, in this case showing the way of applying heat to the section of tube to be bent;
- Figure number 5. Shows a schematic view of the tube once folded after applying force to both sides of the heated section; and figure number 6.- Shows a view of the bent tube with the device hose in the extraction phase once deflated.
- the device (1) of the invention essentially comprises a flexible hose (2), suitable for being inserted into the tube (T) to be bent, which is provided, at one end. , a closing plug (3) or similar and, at the opposite end, an inflation valve (4).
- the hose (2) is made of rubber.
- the inflation valve (4) is a metal valve that comprises:
- an inflation nozzle (42) which, in turn, comprises:
- the hose (2) which is closed with a closing plug (3) or similar at the opposite end to that which includes the inflation valve (4), must have, in a deflated state, a diameter smaller than the diameter inside of the tube (T). Said hose (2), once inflated, must be able to increase said diameter (d) to a dimension greater than that of the interior of the tube (T). In addition, the hose (2) must also have sufficient length to, at least, cover the section (t) of tube (T) to be curved, keeping the inflation valve (4) outside the tube (T) at one of its ends. . Preferably, the hose (2) will have a length equal to or greater than the tube (T).
- the operation or mode of use of the device for bending a tube (T), specifically a PVC tube comprises the following:
- the hose (2) of the device (1) must be inserted inside the tube (T), leaving the inflation valve (4) outside of it at one end of the tube (T).
- air will be applied and inflated, preferably to a maximum pressure of 3.2 bar, the hose (2) so that it will inflate inside the tube (T) adjusting to its inner wall.
- the next step will be to mark the section (t) of tube (T) to be bent, for example by marking the ends of said section with a pencil, and apply heat to the indicated section, preferably with a blowtorch (6) or other similar instrument to apply heat, at a temperature not exceeding 70 Q for about 5 minutes, to soften the material of the tube (T) in said section (t).
- the operation will be repeated in the sections of the tube that require bending.
- the hose (2) will be deflated, pressing on the inflation nozzle plug (43), and extracting it outside. of the tube (T).
- cold water can be introduced between the hose (2) and the tube ( T) to accelerate its cooling and contraction, so that when you pull it from one end it comes out more easily.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Description
DISPOSITIVO PARA CURVAR TUBOS
OBJETO DE LA INVENCIÓN OBJECT OF THE INVENTION
La invención, tal como expresa el enunciado de la presente memoria descriptiva, se refiere aun dispositivo para curvar tubos que aporta, a la función a que se destina, ventajas y características que se describen en detalle más adelante y que suponen una mejora del estado actual de la técnica. The invention, as expressed in the statement of the present specification, refers to a device for bending tubes that provides, to the function for which it is intended, advantages and characteristics that are described in detail below and that represent an improvement on the current state. of the technique.
El objeto de la presente invención recae en un dispositivo que tiene como finalidad facilitar la operación de curvar tubos, especialmente tubos de PVC o material plástico similar, y darles la forma y ángulo deseado sin alterar la sección circular del mismo, evitando cortar y acoplar conexiones o codos como ocurre hasta ahora, para lo cual dicho dispositivo está constituido básicamente por una manguera flexible, cerrada por un extremo y con una válvula de inflado por el otro, que se introduce en el interior del tubo y, tras hincharla, aplicando calor y un poco de fuerza, permite realizar la curva del tubo con la figura deseada de modo muy rápido y fácil. The object of the present invention is a device whose purpose is to facilitate the operation of bending tubes, especially PVC tubes or similar plastic material, and giving them the desired shape and angle without altering the circular section thereof, avoiding cutting and coupling connections. or elbows as is the case until now, for which said device is basically made up of a flexible hose, closed at one end and with an inflation valve at the other, which is introduced inside the tube and, after inflating it, applying heat and A little force allows you to bend the tube with the desired shape very quickly and easily.
CAMPO DE APLICACIÓN DE LA INVENCIÓN FIELD OF APPLICATION OF THE INVENTION
El campo de aplicación de la presente invención se enmarca dentro del sector de la industria dedicada a la fabricación de aparatos herramientas y dispositivos para curvar tubos. The field of application of the present invention falls within the industry sector dedicated to the manufacture of tools and devices for bending tubes.
ANTECEDENTES DE LA INVENCIÓN BACKGROUND OF THE INVENTION
Las técnicas que se utilizan actualmente para curvar tubos son, básicamente dos: The techniques currently used to bend tubes are basically two:
- O bien con materiales ya existentes en el mercado, es decir, cortando el tubo e intercalando una conexión curva ya existente, por ejemplo un codo de 45 o 90Q, lo cual limita la posibilidad de diseñar tubos con curvas que no se correspondan con las piezas existentes. - Or with materials already existing on the market, that is, cutting the tube and inserting an existing curved connection, for example a 45 or 90 Q elbow, which limits the possibility of designing tubes with curves that do not correspond to existing parts.
- O bien utilizando herramientas especiales u otras técnicas para doblar el material conformante del tubo. En este caso, el tipo de técnica o herramienta dependerá del material con que esté fabricado el tubo. - Or using special tools or other techniques to bend the material that makes up the tube. In this case, the type of technique or tool will depend on the material with which the tube is made.
Así, si el tubo es metálico, por ejemplo de cobre, se puede doblar utilizando herramientas específicas tal como un doblador de tubos, que básicamente cuenta con dos sectores de disco acanalados vinculados a unos brazos de palanca. Thus, if the tube is metallic, for example copper, it can be bent using specific tools such as a tube bender, which basically has two grooved disc sectors linked to lever arms.
En el caso de los tubos de PVC, una técnica utilizada es llenar el tubo con arena para calentar luego el material hasta el punto que permita la torsión suficiente para llegar a la forma deseada aplicando presión. In the case of PVC pipes, one technique used is to fill the pipe with sand and then heat the material to the point that allows sufficient twisting to reach the desired shape by applying pressure.
El problema principal de esta técnica es que, al llenarse el tubo de arena, se requiere un importante gasto de energía tanto para calentar el material como para aplicar la fuerza necesaria para doblarlo. Además, el rellenado requiere de tiempo y, una vez extraída la arena pueden quedar restos de polvo o suciedad en el interior del tubo que, en determinado tipo de instalaciones, puede resultar dañino. The main problem with this technique is that, when the tube is filled with sand, a significant expenditure of energy is required both to heat the material and to apply the force necessary to bend it. Furthermore, filling requires time and, once the sand has been removed, traces of dust or dirt may remain inside the tube which, in certain types of installations, can be harmful.
Se trata, por tanto, de una técnica que implica mucho tiempo para la ejecución del trabajo, además de un gasto de energía considerable (uso de butano, secador decapante eléctrico, etc.) para llegar al fin deseado. It is, therefore, a technique that requires a lot of time to carry out the work, in addition to considerable energy expenditure (use of butane, electric stripping dryer, etc.) to reach the desired end.
El objetivo de la presente invención es pues el desarrollo de un dispositivo que permita mejorar ambos sistemas para hacer que este tipo de operaciones se puedan realizar de manera mucho más rápida y simple, permitiendo, con ello, que los instaladores, que pueden llegar a tener que diseñar instalaciones de múltiples tubos con múltiples curvas distintas para adaptarse a la configuración de las estructuras o edificaciones en que se van a colocar, puedan realizar dicha labor de una manera rápida y fácil, sin que sea necesario añadir conexiones y, por tanto, haciendo que la instalación resulte más económica, tanto en material como en tiempo y mano de obra aplicada. The objective of the present invention is therefore the development of a device that allows improving both systems to make this type of operations can be carried out much more quickly and simply, thereby allowing installers, who may have that designing multiple tube installations with multiple different curves to adapt to the configuration of the structures or buildings in which they are going to be placed, can carry out this work quickly and easily, without it being necessary to add connections and, therefore, making that the installation results more economical, both in material and in time and labor applied.
Por otra parte, y como referencia al estado actual de la técnica, se puede afirmar que, al menos por parte del solicitante, se desconoce la existencia de ningún otro dispositivo para curvar tubos, ni ninguna otra invención de aplicación similar, que presente unas características técnicas, estructurales y constitutivas ¡guales o semejantes a las que presenta el que aquí se reivindica. On the other hand, and as a reference to the current state of the art, it can be stated that, at least on the part of the applicant, the existence of any other device for bending tubes, nor any other invention of similar application, that presents certain characteristics is unknown. technical, structural and constitutive properties equal or similar to those presented by the one claimed here.
EXPLICACIÓN DE LA INVENCIÓN EXPLANATION OF THE INVENTION
El dispositivo para curvar tubosque la invención propone se configura como una solución idónea al objetivo anteriormente señalado que, a la vez, supone una mejora de lo actualmente conocido para el mismo fin, estando los detalles caracteñzadores que lo hacen posible y que lo distinguen convenientemente recogidos en las reivindicaciones finales que acompañan a la presente descripción. The device for bending tubes that the invention proposes is configured as an ideal solution to the aforementioned objective that, at the same time, represents an improvement on what is currently known for the same purpose, the characterizing details that make it possible and that distinguish it being conveniently collected. in the final claims that accompany this description.
Concretamente, lo que la invención propone, como se ha apuntado anteriormente, es un dispositivo que, constituido básicamente por una manguera flexible, cerrada por un extremo y con una válvula de inflado por el otro, tiene la finalidad se servir como herramienta para facilitar la operación de curvar tubos, especialmente tubos de PVC o material plástico similar, y poder darles la forma y ángulo deseados sin alterar la sección circular del mismo, para lo cual simplemente se introduce la manguera en el interior del tubo y, tras hincharla, aplicando calor y un poco de fuerza, permite realizar la curva del tubo con la figura deseada de modo extremadamente rápido y fácil. Specifically, what the invention proposes, as noted above, is a device that, basically consisting of a flexible hose, closed at one end and with an inflation valve at the other, has the purpose of serving as a tool to facilitate the operation of bending tubes, especially PVC tubes or similar plastic material, and being able to give them the desired shape and angle without altering its circular section, for which the hose is simply introduced inside the tube and, after inflating it, applying heat and a little force, allows you to bend the tube with the desired shape extremely quickly and easily.
Con el dispositivo de la invención se gana tiempo de ejecución que en los sistemas utilizados hasta ahora de incluir conexiones o usar arena. En menos de 5 minutos se consigue el ángulo y la figura deseada. With the device of the invention, execution time is gained than in the systems used until now of including connections or using sand. In less than 5 minutes you can achieve the desired angle and figure.
Además, también se consigue un importante ahorro de energía. El dispositivo de la invención permite ahorrar energías tales como la luz o el gas butano que se emplearían con las técnicas tradicionales. Todo ello hace que se consiga, además, una reducción de costes. Con el dispositivo objeto de la invención se consigue el abaratamiento de la mano de obra y de los materiales necesarios. In addition, significant energy savings are also achieved. The device of the invention saves energy such as light or butane gas that would be used with traditional techniques. All this also means that costs are reduced. With the device object of the invention, the cost of labor and the necessary materials is achieved.
DESCRIPCIÓN DE LOS DIBUJOS DESCRIPTION OF THE DRAWINGS
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características de la invención, se acompaña a la presente memoria descriptiva, como parte integrante de la misma, un juego de planos en el que con carácter ilustrativo y no limitativo se ha representado lo siguiente: To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, this descriptive report is accompanied, as an integral part thereof, by a set of plans in which, for illustrative and non-limiting, the following has been represented:
La figura número 1 .- Muestra una vista esquemática en perspectiva de una porción del dispositivo, en concreto del extremo de la manguera donde se incorpora la válvula de inflado, habiéndose representado dicha válvula sin acoplar al cuerpo de la manguera; la figura número 2.- Muestra una vista esquemática del dispositivo representado con la manguera una vez incorporada en el interior del tubo a doblar; la figura número 3.- Muestra una vista del dispositivo similar a la anterior, en este caso con la boquilla de un compresor de aire acoplada a la válvula de inflado del dispositivo; la figura número 4.- Muestra una vista similar a la mostrada en las figuras 2 y 3, en este caso mostrando el modo de aplicación de calor sobre el tramo de tubo a curvar; la figura número 5.- Muestra una vista esquemática del tubo una vez doblado tras aplicar fuerza a ambos lados del tramo calentado; y la figura número 6.- Muestra una vista del tubo doblado con la manguera del dispositivo en fase de extracción una vez desinflada. Figure number 1.- Shows a schematic perspective view of a portion of the device, specifically the end of the hose where the inflation valve is incorporated, said valve having been represented without coupling to the body of the hose; Figure number 2.- Shows a schematic view of the device represented with the hose once incorporated inside the tube to be bent; Figure number 3.- Shows a view of the device similar to the previous one, in this case with the nozzle of an air compressor coupled to the inflation valve of the device; Figure number 4.- Shows a view similar to that shown in Figures 2 and 3, in this case showing the way of applying heat to the section of tube to be bent; Figure number 5.- Shows a schematic view of the tube once folded after applying force to both sides of the heated section; and figure number 6.- Shows a view of the bent tube with the device hose in the extraction phase once deflated.
REALIZACIÓN PREFERENTE DE LA INVENCIÓN A la vista de las mencionadas figuras, y de acuerdo con la numeración adoptada, se puede observar en ellas un ejemplo de realización no limitativa del dispositivo para curvar tubosde la invención, el cualcomprende lo que se describe en detalle a continuación. PREFERRED EMBODIMENT OF THE INVENTION In view of the aforementioned figures, and in accordance with the numbering adopted, one can see in them an example of a non-limiting embodiment of the device for bending tubes of the invention, which includes what is described in detail below.
Así, tal como se observa en dichas figuras, el dispositivo (1 ) de la invención, comprende, esencialmente, una manguera (2) flexible, apta para ser insertada en el tubo (T) a curvar, que está provista, en un extremo, de un tapón de cierre (3) o similar y, en el extremo opuesto, de una válvula de inflado (4). Thus, as seen in said figures, the device (1) of the invention essentially comprises a flexible hose (2), suitable for being inserted into the tube (T) to be bent, which is provided, at one end. , a closing plug (3) or similar and, at the opposite end, an inflation valve (4).
De preferencia, la manguera (2) es de caucho. Preferably, the hose (2) is made of rubber.
Y, de preferencia, la válvula de inflado (4) es una válvula metálica que comprende: And, preferably, the inflation valve (4) is a metal valve that comprises:
- un par de casquillos (40, 41 ) concéntricos de acople a la manguera (2), que se acoplan al extremo de la misma, uno internamente (40) y el otro externamente (41 ); - a pair of concentric bushings (40, 41) for coupling to the hose (2), which are coupled to the end of the hose, one internally (40) and the other externally (41);
- y una boquilla de hinchado (42) que, a su vez, comprende: - and an inflation nozzle (42) which, in turn, comprises:
- un vástago roscado (43), con un extremo cónico (44), apto para quedar encajado con el casquillo (40) interno, evitando la salida de aire, - a threaded stem (43), with a conical end (44), suitable to fit with the internal bushing (40), preventing air escape,
- una rosca (45), insertada en el vástago (43) y que se coge al casquillo (41 ) externo para fijar la boquilla (42) a la manguera (2) y - a thread (45), inserted into the stem (43) and which is attached to the external bushing (41) to fix the nozzle (42) to the hose (2) and
- un tapón (46) de protección. - a protection cap (46).
Es importante señalar que la manguera (2), que está cerrada con un tapón de cierre (3) o similar por el extremo opuesto al que incluye la válvula de inflado (4), deberá tener, en estado desinflado, un diámetro menor al diámetro interno del tubo (T). Dicha manguera (2) una vez inflada, debe poder aumentar dicho diámetro (d) a una dimensión mayor que la del interior del tubo (T). Además, la manguera (2) también deberá tener una longitud suficiente para, al menos, abarcar el tramo (t) de tubo (T) a curvar manteniendo la válvula de inflado (4) fuera del tubo (T) por uno de sus extremos. De preferencia, la manguera (2) tendrá una longitud igual o mayor que el tubo (T). It is important to note that the hose (2), which is closed with a closing plug (3) or similar at the opposite end to that which includes the inflation valve (4), must have, in a deflated state, a diameter smaller than the diameter inside of the tube (T). Said hose (2), once inflated, must be able to increase said diameter (d) to a dimension greater than that of the interior of the tube (T). In addition, the hose (2) must also have sufficient length to, at least, cover the section (t) of tube (T) to be curved, keeping the inflation valve (4) outside the tube (T) at one of its ends. . Preferably, the hose (2) will have a length equal to or greater than the tube (T).
Con ello, el funcionamiento o modo de uso del dispositivo para curvar un tubo (T), concretamente un tubo de PVC, comprende lo siguiente: With this, the operation or mode of use of the device for bending a tube (T), specifically a PVC tube, comprises the following:
En primer lugar se deberá insertar la manguera (2) del dispositivo (1 ) en el interior del tubo (T) dejando la válvula de inflado (4) fuera del mismo por un extremo del tubo (T). First, the hose (2) of the device (1) must be inserted inside the tube (T), leaving the inflation valve (4) outside of it at one end of the tube (T).
A continuación, tras sacar el tapón (46) de la boquilla de hinchado (42), se conectará en ella la boquilla de un compresor de aire (5) u otro instrumento de inflado apropiado. Next, after removing the plug (46) from the inflation nozzle (42), the nozzle of an air compressor (5) or other appropriate inflation instrument will be connected to it.
Seguidamente, se procederá a aplicar aire e hinchar, de preferencia a presión máxima de 3,2bar, la manguera (2) de modo que ésta se inflará dentro del tubo (T) ajustándose a la pared interior del mismo. Next, air will be applied and inflated, preferably to a maximum pressure of 3.2 bar, the hose (2) so that it will inflate inside the tube (T) adjusting to its inner wall.
El siguiente paso será señalar el tramo (t) de tubo (T) a curvar, por ejemplo marcando con lápiz los extremos de dicho tramo, y aplicar calor sobre el tramo señalado, de preferencia con un soplete (6) u otro instrumento similar para aplicar calor, a una temperatura no superior a 70Q durante unos 5 minutos, para reblandecer el material del tubo (T) en dicho tramo (t). The next step will be to mark the section (t) of tube (T) to be bent, for example by marking the ends of said section with a pencil, and apply heat to the indicated section, preferably with a blowtorch (6) or other similar instrument to apply heat, at a temperature not exceeding 70 Q for about 5 minutes, to soften the material of the tube (T) in said section (t).
Una vez calentado el tramo (t) de tubo (T), se procede a doblar el tubo lentamente, simplemente sujetándolo por ambos lados del tramo (t) calentado a curvar, hasta conseguir la figura de curva deseada, tal como muestran las flechas en la figura 5. Al enfriarse el material plástico del tubo (T) éste mantendrá la curva aplicada. Once the section (t) of tube (T) is heated, the tube is slowly bent, simply holding it on both sides of the heated section (t) to be bent, until the desired curve figure is achieved, as shown by the arrows in Figure 5. As the plastic material of the tube (T) cools, it will maintain the applied curve.
En el caso de ser necesarias más curvas en el mismo tubo, se procederá a repetir la operación en los tramos del tubo que se requiera curvar. Finalmente, una vez doblado el tubo (T) en el tramo (t) o los tramos y ángulos deseados, se procederá a desinflar la manguera (2), presionando sobre el obturador de la boquilla de hinchado (43), y a su extracción fuera del tubo (T). Opcionalmente, para facilitar la extracción de la manguera (2), ya que por la presión y el calor puede haber quedad adherida a la pared interior del tubo (2), se puede introducir agua fría entre la manguera (2) y el tubo (T) para acelerar su enfriamiento y contracción, de manera que al tirar de ella por un extremo salga más fácilmente. Descrita suficientemente la naturaleza de la presente invención, así como la manera de ponerla en práctica, no se considera necesario hacer más extensa su explicación para que cualquier experto en la materia comprenda su alcance y las ventajas que de ella se derivan. If more bends are necessary in the same tube, the operation will be repeated in the sections of the tube that require bending. Finally, once the tube (T) has been bent in the section (t) or the desired sections and angles, the hose (2) will be deflated, pressing on the inflation nozzle plug (43), and extracting it outside. of the tube (T). Optionally, to facilitate the extraction of the hose (2), since due to pressure and heat there may be adhesion to the inner wall of the tube (2), cold water can be introduced between the hose (2) and the tube ( T) to accelerate its cooling and contraction, so that when you pull it from one end it comes out more easily. Having sufficiently described the nature of the present invention, as well as the way of putting it into practice, it is not considered necessary to make its explanation more extensive so that any expert in the field understands its scope and the advantages that derive from it.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES202231787U ES1298065Y (en) | 2022-10-31 | 2022-10-31 | DEVICE FOR BENDING PIPES |
| ESU202231787 | 2022-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024094908A1 true WO2024094908A1 (en) | 2024-05-10 |
Family
ID=85475666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/ES2023/070635 Ceased WO2024094908A1 (en) | 2022-10-31 | 2023-10-30 | Device for bending pipes |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES1298065Y (en) |
| WO (1) | WO2024094908A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB881854A (en) * | 1958-05-12 | 1961-11-08 | Btr Industries Ltd | Improvements relating to pipe bending |
| US3922134A (en) * | 1973-12-17 | 1975-11-25 | Robintech Inc | Pipe bending mandrel |
| US4065242A (en) * | 1976-07-08 | 1977-12-27 | Emerson Electric Co. | Device for facilitating the bending and forming of plastic pipe or other structures |
| US5369973A (en) * | 1990-06-15 | 1994-12-06 | Hans-Peter Ruppert | Process and device for bending tubes which can be deformed or bent |
-
2022
- 2022-10-31 ES ES202231787U patent/ES1298065Y/en active Active
-
2023
- 2023-10-30 WO PCT/ES2023/070635 patent/WO2024094908A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB881854A (en) * | 1958-05-12 | 1961-11-08 | Btr Industries Ltd | Improvements relating to pipe bending |
| US3922134A (en) * | 1973-12-17 | 1975-11-25 | Robintech Inc | Pipe bending mandrel |
| US4065242A (en) * | 1976-07-08 | 1977-12-27 | Emerson Electric Co. | Device for facilitating the bending and forming of plastic pipe or other structures |
| US5369973A (en) * | 1990-06-15 | 1994-12-06 | Hans-Peter Ruppert | Process and device for bending tubes which can be deformed or bent |
Also Published As
| Publication number | Publication date |
|---|---|
| ES1298065U (en) | 2023-03-13 |
| ES1298065Y (en) | 2023-06-02 |
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