ES2682682T3 - Distribution system of a product under pressure - Google Patents
Distribution system of a product under pressure Download PDFInfo
- Publication number
- ES2682682T3 ES2682682T3 ES14787240.2T ES14787240T ES2682682T3 ES 2682682 T3 ES2682682 T3 ES 2682682T3 ES 14787240 T ES14787240 T ES 14787240T ES 2682682 T3 ES2682682 T3 ES 2682682T3
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- Prior art keywords
- rod
- distribution
- polyolefin
- coc
- distribution system
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/105—Sealing arrangements around pump actuating stem
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
- B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
- B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
- B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
- B05B11/1025—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem a spring urging the outlet valve in its closed position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1043—Sealing or attachment arrangements between pump and container
- B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
- B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
Abstract
Sistema de distribución de un producto bajo presión, que comprende un cuerpo (1) equipado de medios que permiten la alimentación de una cámara interna (2) de dicho cuerpo de producto que procede de una fuente, comprendiendo dicho sistema igualmente una varilla (6) sobre la que está montado un botón pulsador (7) para ser accionado de manera reversible en traslación en dicho cuerpo, estando equipada dicha varilla de una válvula (8) que está dispuesta en la cámara interna (2), presentando un estado estable de cierre de una vía de distribución formada a través de la varilla (6) y del botón pulsador (7) hasta un orificio de distribución (9), y un estado forzado por la acción de la varilla (6), en el que dicha vía de distribución está en comunicación con la cámara interna (2), estando caracterizado dicho sistema por que la varilla (6) está realizada a base de un material que comprende al menos una poliolefina, que está cargada con al menos un copolímero de olefina cíclica COC.Distribution system of a product under pressure, comprising a body (1) equipped with means that allow the feeding of an internal chamber (2) of said body of product that comes from a source, said system also comprising a rod (6) on which a push button (7) is mounted to be reversibly actuated in translation in said body, said rod being equipped with a valve (8) that is arranged in the internal chamber (2), presenting a stable state of closure of a distribution path formed through the rod (6) and the push button (7) to a distribution hole (9), and a state forced by the action of the rod (6), in which said distribution path distribution is in communication with the internal chamber (2), said system being characterized in that the rod (6) is made from a material that comprises at least one polyolefin, which is loaded with at least one olefin copolymer cit click COC.
Description
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DESCRIPCIONDESCRIPTION
Sistema de distribucion de un producto bajo presionSystem of distribution of a product under pressure
La invencion se refiere a un sistema de distribucion de un producto bajo presion, asf como a un frasco que contiene un producto a distribuir bajo presion por medio de tal sistema de distribucion.The invention relates to a system for distributing a product under pressure, as well as a bottle containing a product to be distributed under pressure by means of such a distribution system.
En una aplicacion particular, el producto es utilizado en cosmetica, en perfumena o para tratamientos farmaceuticos, por ejemplo, que estan en forma de un lfquido, de una locion, de un gel o de una crema.In a particular application, the product is used in cosmetics, in perfume or for pharmaceutical treatments, for example, which are in the form of a liquid, a lotion, a gel or a cream.
Se conocen sistemas de distribucion que comprenden un cuerpo provisto principalmente de medio de extraccion de un producto acondicionado en un frasco para alimentar una camara interna de dicho cuerpo. En particular, el sistema de distribucion puede estar en forma de una bomba de accionamiento manual o de una valvula que permite restituir bajo presion un producto acondicionado en un frasco.Distribution systems are known which comprise a body mainly provided with means of extracting a conditioned product in a bottle to feed an internal chamber of said body. In particular, the distribution system may be in the form of a manually operated pump or a valve that allows a product placed in a bottle to be restored under pressure.
Tal sistema de distribucion comprende clasicamente una varilla sobre la que esta montado un boton pulsador para ser accionado de forma reversible en traslacion. La varilla esta equipada con una valvula que esta dispuesta en la camara interna entre un estado estable de cierre de una via de distribucion formada a traves de dicha varilla y del boton pulsador hasta un orificio de distribucion, y un estado forzado por la accion de la varilla en el que dicha via de distribucion esta en comunicacion con la camara interna para la salida bajo presion del producto.Such a distribution system classically comprises a rod on which a push button is mounted to be reversibly actuated in translation. The rod is equipped with a valve that is arranged in the internal chamber between a stable state of closure of a distribution path formed through said rod and the push button to a distribution hole, and a state forced by the action of the rod in which said distribution route is in communication with the internal chamber for output under product pressure.
Durante su accionamiento, la varilla esta sometida a fuerzas mecanicas importantes que necesitan la utilizacion de un material, cuya rigidez debe ser suficiente para evitar que, por deformacion de dicha varilla, se altere el funcionamiento del sistema de distribucion. En particular, tales deformaciones pueden conducir a una rotura de la varilla asf como a una perdida de estanqueidad del montaje sobre dicha varilla de la valvula y/o del boton pulsador, estando realizados estos organos generalmente de un material mas blando que el de la varilla.During its operation, the rod is subjected to significant mechanical forces that require the use of a material, whose stiffness must be sufficient to avoid that, due to deformation of said rod, the operation of the distribution system is disturbed. In particular, such deformations can lead to a breakage of the rod as well as a loss of tightness of the assembly on said rod of the valve and / or of the push button, these organs being generally made of a softer material than that of the rod .
La varilla de un sistema de distribucion puede estar realizada a partir de un polfmero de la familia de los poliacetales, principalmente de polioximetileno (POM), igualmente conocido bajo el nombre de acetal. En efecto, la utilizacion de este tipo de material es satisfactoria principalmente al nivel de sus propiedades mecanicas y qmmicas, de deslizamiento, de estabilidad dimensional, de debil absorcion de humedad.The rod of a distribution system can be made from a polymer of the polyacetal family, mainly polyoxymethylene (POM), also known under the name of acetal. In fact, the use of this type of material is satisfactory mainly at the level of its mechanical and chemical properties, of sliding, of dimensional stability, of weak moisture absorption.
Sin embargo, se reconoce desde ahora que el POM puede presentar riesgos toxicologicos, principalmente en razon de desprendimientos de formaldehndo durante su inyeccion en caliente en los moldes de fabricacion, asf como durante la destruccion de los sistemas de distribucion al final de la vida.However, it is recognized from now that POM can present toxicological risks, mainly due to formaldehyde detachments during hot injection into manufacturing molds, as well as during the destruction of distribution systems at the end of life.
Por lo demas, diversas directivas pretenden reglamentar, controlar y limitar la presencia de sustancias potencialmente peligrosas para la salud humana en los productos principalmente cosmeticos, lo que impulsa a los fabricantes de cosmeticos a limitar, incluso suprimir de sus formulas los conservantes que son a menudo causa de alergias o de intolerancias.Moreover, various directives aim to regulate, control and limit the presence of substances potentially dangerous to human health in mainly cosmetic products, which encourages cosmetic manufacturers to limit, even remove from their formulas the preservatives that are often cause of allergies or intolerances.
Por lo tanto, los productos cosmeticos se vuelven cada vez mas fragiles, siendo facilmente contaminables por las bacterias y los hongos y soportan diffcilmente sobre todo el contacto con el aire que puede provocar, por ejemplo, una desecacion o una oxidacion del producto.Therefore, cosmetic products are becoming increasingly fragile, being easily contaminable by bacteria and fungi, and can hardly withstand contact with air, which can cause, for example, a drying or oxidation of the product.
Ahora bien, el POM presenta una porosidad que parece demasiado importante para poder contribuir a la buena conservacion del producto antes de su distribucion. En efecto, el aire se puede difundir a traves del POM en cantidad suficiente para poder contaminar y/u oxidar el producto contenido en la varilla entre dos distribuciones, pudiendo desecarse dicho producto igualmente por evaporacion a traves de dicha varilla de POM.However, the POM has a porosity that seems too important to be able to contribute to the good preservation of the product before distribution. In fact, the air can be diffused through the POM in sufficient quantity to be able to contaminate and / or oxidize the product contained in the rod between two distributions, said product can also be dried by evaporation through said POM rod.
Ademas, con relacion a las evoluciones reglamentarias y de formulacion de los productos a distribuir, las industrias farmaceutica y cosmetica pueden ser impulsadas a esterilizar sus sistemas de distribucion para evitar toda contaminacion del producto antes de su primera distribucion. En particular, el medio mas rapido y mas eficaz para esterilizar un sistema de distribucion de un producto es exponerlo a una radiacion gamma o beta, lo que permite principalmente la esterilizacion de volumenes cerrados.In addition, in relation to the regulatory and formulation developments of the products to be distributed, the pharmaceutical and cosmetic industries can be encouraged to sterilize their distribution systems to avoid any contamination of the product before its first distribution. In particular, the fastest and most effective means to sterilize a product distribution system is to expose it to gamma or beta radiation, which mainly allows sterilization of closed volumes.
Sin embargo, la irradiacion tiende a modificar las propiedades del POM, principalmente a fragilizarlo mecanicamente y a hacerlo cambiar de apariencia. De esta manera, los sistemas de distribucion, cuya varilla esta realizada a base de POM, deben ser esterilizados bajo gas, en particular bajo oxido de etileno, pareciendo este procedimiento menos eficaz y mas complejo de emplear industrialmente que la irradiacion bajo rayos gamma o beta.However, irradiation tends to modify the properties of POM, mainly to mechanically weaken it and change its appearance. Thus, the distribution systems, whose rod is made of POM, must be sterilized under gas, in particular under ethylene oxide, this procedure seems less efficient and more complex to use industrially than irradiation under gamma or beta rays. .
La invencion pretende perfeccionar la tecnica anterior proponiendo sobre todo un sistema de distribucion, cuya varilla contribuye a una buena conservacion del producto a distribuir, presentando propiedades toxicologicas, mecanicas y qmmicas que optimizan su utilizacion.The invention aims to improve the prior art by proposing above all a distribution system, whose rod contributes to a good preservation of the product to be distributed, presenting toxicological, mechanical and chemical properties that optimize its use.
Por consiguiente, la utilizacion combinada de un sistema de distribucion segun la invencion con un frasco, eventualmente esterilizado, que contiene un producto es particularmente ventajosa, principalmente en relacion con un producto, cuyo contenido en conservantes es limitado, incluso nulo.Therefore, the combined use of a distribution system according to the invention with a bottle, possibly sterilized, containing a product is particularly advantageous, especially in relation to a product, whose content in preservatives is limited, even nil.
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A este efecto, segun un primer aspecto, la invencion propone un sistema de distribucion de un producto bajo presion, que comprende un cuerpo equipado de medios que permiten la alimentacion de una camara interna de dicho cuerpo de producto que procede de una fuente, comprendiendo dicho sistema igualmente una varilla sobre la que esta montado un boton pulsador para ser accionado de manera reversible en traslacion en dicho cuerpo, estando equipada dicha varilla de una valvula que esta dispuesta en la camara interna, presentando un estado estable de cierre de una via de distribucion formada a traves de la varilla y del boton pulsador hasta un orificio de distribucion, y un estado forzado por la accion de la varilla, en el que dicha via de distribucion esta en comunicacion con la camara interna, estando realizada dicha varilla a base de un material que comprende al menos una poliolefina, que esta cargada con al menos un copolfmero de olefina dclica COC.For this purpose, according to a first aspect, the invention proposes a system for distributing a product under pressure, comprising a body equipped with means that allow the feeding of an internal chamber of said product body that comes from a source, said said comprising system also a rod on which a push button is mounted to be reversibly actuated in translation in said body, said rod being equipped with a valve that is arranged in the internal chamber, presenting a stable state of closure of a distribution path formed through the rod and the push button to a distribution hole, and a state forced by the action of the rod, in which said distribution route is in communication with the internal chamber, said rod being made based on a material comprising at least one polyolefin, which is loaded with at least one COC cyclic olefin copolymer.
Segun un segundo aspecto, la invencion propone un frasco que comprende un cuello, sobre el que esta asociado el cuerpo de un sistema de distribucion para permitir la alimentacion de la camara interna con producto.According to a second aspect, the invention proposes a bottle comprising a neck, on which the body of a distribution system is associated to allow feeding the inner chamber with product.
Otros objetos y ventajas de la invencion apareceran en la descripcion que sigue, hecha con referencia a la figura anexa que representa en seccion longitudinal parcial un sistema de distribucion segun un modo de realizacion de la invencion.Other objects and advantages of the invention will appear in the description that follows, made with reference to the attached figure that represents in partial longitudinal section a distribution system according to a mode of realization of the invention.
En la descripcion, los terminos de posicionamiento en el espacio se toman con referencia a la posicion del sistema de distribucion representado en la figura.In the description, the terms of positioning in space are taken with reference to the position of the distribution system represented in the figure.
Se describe a continuacion un sistema de distribucion de accionamiento manual para permitir la distribucion de un producto bajo presion, por ejemplo en forma de un aerosol, de una avellana o de un flujo continuo segun la naturaleza de dicho producto. En un ejemplo de aplicacion, el producto esta en forma de un lfquido, de una locion, de un gel o de una crema, para un uso cosmetico, de perfumena o para tratamientos farmaceuticos.A manual actuation distribution system is described below to allow the distribution of a product under pressure, for example in the form of an aerosol, a hazelnut or a continuous flow according to the nature of said product. In an example of application, the product is in the form of a liquid, a lotion, a gel or a cream, for a cosmetic, perfume or pharmaceutical use.
El sistema de distribucion comprende un cuerpo 1 en el que esta formada una camara interna 2 que esta alimentada con producto que procede de una fuente, estando equipado dicho cuerpo con medios que permiten la alimentacion de dicha camara interna. Para hacerlo, el cuerpo 1 presenta un orificio de alimentacion 3, por ejemplo equipado con un tubo de inmersion 4, que esta destinado para estar en comunicacion con el interior de un frasco de acondicionamiento del producto con vistas a su extraccion.The distribution system comprises a body 1 in which an internal chamber 2 is formed which is fed with product that comes from a source, said body being equipped with means that allow the feeding of said internal chamber. To do this, the body 1 has a feed hole 3, for example equipped with a dip tube 4, which is intended to be in communication with the inside of a product packaging bottle with a view to its extraction.
El cuerpo 1 puede estar equipado con un casquillo periferico 5 que permite el montaje estanco de dicho cuerpo en el cuello de un frasco poniendo el orificio de alimentacion 3 en comunicacion con el producto acondicionado en dicho frasco. Segun el modo de realizacion representado, el casquillo 5 es deformable, por ejemplo estando realizado de aluminio, para asegurar su ajuste estanco alrededor del cuello. Sin embargo, la invencion no esta limitada a un modo de realizacion particular del montaje del sistema de distribucion sobre el frasco, pudiendo estar realizado principalmente por union atornillada, soldadura o engatillado estanco.The body 1 may be equipped with a peripheral bushing 5 which allows the said body to be sealed in the neck of a bottle by placing the feed hole 3 in communication with the product conditioned in said bottle. According to the embodiment shown, the bushing 5 is deformable, for example being made of aluminum, to ensure its tight fit around the neck. However, the invention is not limited to a particular mode of realization of the assembly of the distribution system on the bottle, and it can be carried out mainly by screwed, welded or sealed connection.
El sistema de distribucion comprende una varilla 6 de alimentacion del producto bajo presion que esta dispuesta en el cuerpo 1, que es accionable de forma reversible en traslacion sobre una carrera, respectivamente, de distribucion y de aspiracion de dicho producto por medio de un boton pulsador 7 que esta montado sobre dicha varilla.The distribution system comprises a rod 6 for feeding the product under pressure that is arranged in the body 1, which is reversibly operable in translation over a stroke, respectively, of distribution and aspiration of said product by means of a push button 7 which is mounted on said rod.
La varilla 6 esta equipada con una valvula de escape 8, que esta dispuesta en la camara interna 2, que presenta un estado estable de cierre de una via de distribucion formada a traves de la varilla 6 y del boton pulsador 7 hasta un orificio de distribucion 9, y un estado forzado por la accion de dicha varilla, en la que dicha via de distribucion esta en comunicacion con dicha camara interna.The rod 6 is equipped with an exhaust valve 8, which is arranged in the internal chamber 2, which has a stable state of closure of a distribution path formed through the rod 6 and the push button 7 to a distribution hole 9, and a state forced by the action of said rod, in which said distribution route is in communication with said internal chamber.
De esta manera, la distribucion del producto esta realizada con asistencia digital sobre el boton pulsador 7 para desplazarlo axialmente accionando la traslacion de la varilla 6 con el fin de conducir el producto de la camara interna 2 hacia el orificio de distribucion 9 por el que sale dicho producto.In this way, the distribution of the product is carried out with digital assistance on the push button 7 to move it axially by driving the translation of the rod 6 in order to drive the product of the internal chamber 2 towards the distribution hole 9 through which it exits said product.
Teniendo en cuenta diferentes tensiones que debe experimentar en el marco de su utilizacion, la varilla 6 esta realizada a base de un material, cuya rigidez es suficiente para evitar que, por deformacion de dicha varilla, se vea alterado el funcionamiento del sistema de distribucion. Ademas, el material de la varilla 6 debe presentar propiedades suficientes de deslizamiento y de resistencia al desgaste y al arrastre.Taking into account different stresses that must be experienced in the context of its use, the rod 6 is made of a material, whose stiffness is sufficient to avoid that, due to deformation of said rod, the operation of the distribution system is altered. In addition, the material of the rod 6 must have sufficient sliding properties and resistance to wear and drag.
Para hacerlo, el material de la varilla 6 comprende al menos una poliolefina que esta cargada con al menos un copolfmero de olefina dclica COC. En efecto, aunque las poliolefinas presentan caractensticas mecanicas globalmente insuficientes para realizar la varilla 6, su refuerzo con COC las vuelve particularmente adaptadas para esta utilizacion.To do this, the material of the rod 6 comprises at least one polyolefin that is loaded with at least one copolymer of COC dical olefin. In fact, although the polyolefins have mechanical characteristics that are generally insufficient to carry out the rod 6, their reinforcement with COC makes them particularly adapted for this use.
La utilizacion de una poliolefina cargada con COC permite igualmente contribuir a una buena conservacion del producto a distribuir. En efecto, la porosidad de este material parece suficientemente debil para impedir que el aire y el agua se difundan a traves de la varilla 6, limitando de esta manera la contaminacion, la desecacion y/o la oxidacion del producto contenido en dicha varilla entre dos distribuciones. Por lo demas, una poliolefina cargada con COC conserva sus propiedades principalmente mecanicas y de apariencia bajo irradiacion por rayos gama o beta, lo que permite considerar una esterilizacion rapida y eficaz del sistema de distribucion.The use of a polyolefin loaded with COC also makes it possible to contribute to a good preservation of the product to be distributed. Indeed, the porosity of this material seems weak enough to prevent air and water from diffusing through the rod 6, thereby limiting the contamination, drying and / or oxidation of the product contained in said rod between two distributions Moreover, a COC-loaded polyolefin retains its mainly mechanical and appearance properties under gamma or beta rays irradiation, which allows for a quick and efficient sterilization of the distribution system.
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Por consiguiente, el frasco segun la invencion es particularmente ventajoso para distribuir un producto, cuyo contenido en conservantes es limitado, incluso nulo y/o debe ser esterilizado.Therefore, the bottle according to the invention is particularly advantageous for distributing a product, whose content in preservatives is limited, even null and / or must be sterilized.
Ademas, la utilizacion de una poliolefina cargada con COC permite limitar los riesgos toxicologico, principalmente por que no es susceptible de liberar un componente toxico durante su calentamiento o su destruccion al final de la vida. Por otro lado, una varilla 6 de poliolefina cargada con COC puede estar realizada por moldeo, a partir de utillajes y de etapas de inyeccion utilizadas clasicamente para los organos de un sistema de distribucion.In addition, the use of a polyolefin loaded with COC allows to limit the toxicological risks, mainly because it is not capable of releasing a toxic component during its heating or its destruction at the end of life. On the other hand, a rod 6 of polyolefin loaded with COC can be made by molding, from tools and injection stages used classically for the organs of a distribution system.
Segun una realizacion, un compromiso optimo entre la conservacion del producto a distribuir y las propiedades toxicologicas, mecanicas y qmmicas de la varilla 6 se obtiene cargando una poliolefina con un porcentaje en peso de COC que esta comprendido entre 10 y 50 %. De manera ventajosa, la poliolefina utilizada puede presentar buenas propiedades mecanicas intrmsecas, que esta principalmente a base de polipropileno. En un ejemplo de realizacion, el polipropileno es un homopolfmero con una tasa de COC del orden de 30 %, pudiendo ser el COC del tipo de los comercializados bajo la denominacion TOPAS por la sociedad TOPAS ADVANCED POLYMERS.According to one embodiment, an optimal compromise between the preservation of the product to be distributed and the toxicological, mechanical and chemical properties of the rod 6 is obtained by loading a polyolefin with a weight percentage of COC that is between 10 and 50%. Advantageously, the polyolefin used can have good intrinsic mechanical properties, which is mainly based on polypropylene. In one embodiment, polypropylene is a homopolymer with a COC rate of the order of 30%, the COC being the type of those marketed under the name TOPAS by the company TOPAS ADVANCED POLYMERS.
En relacion con la figura adjunta, se describe a continuacion un modo de realizacion de una bomba de distribucion configurada para restituir un producto lfquido en forma de aerosol. Sin embargo, la invencion no esta limitada a un tipo de sistema de distribucion particular, ni a una forma de distribucion particular.In relation to the attached figure, an embodiment of a distribution pump configured to restore a liquid aerosol product is described below. However, the invention is not limited to a particular type of distribution system, or to a particular form of distribution.
La via de distribucion pasa por un canal interno 10 formado en la varilla 6, estando dicho canal en comunicacion con dos orificios aguas arriba radiales 11 y desembocando en el extremo superior de dicha varilla. El boton pulsador 7 presenta un pocillo 12 que esta montado alrededor del extremo superior de la varilla 6 con el fin de hacer pasar la via de distribucion por el canal interno 10 y dicho pocillo.The distribution route passes through an internal channel 10 formed in the rod 6, said channel being in communication with two radial upstream holes 11 and flowing into the upper end of said rod. The push button 7 has a well 12 that is mounted around the upper end of the rod 6 in order to pass the distribution path through the internal channel 10 and said well.
El boton pulsador 7 presenta una carcasa 13, en la que desemboca la via de distribucion, una boquilla 14 provista con el orificio de distribucion 9 que esta montada en dicha carcasa. La boquilla 14 esta en comunicacion con el pocillo de montaje 12 por medio de un canal 15 previsto en el boton pulsador 7, pasando la via de distribucion por dicho canal.The push button 7 has a housing 13, into which the distribution path, a nozzle 14 provided with the distribution hole 9 that is mounted in said housing. The nozzle 14 is in communication with the mounting well 12 by means of a channel 15 provided in the push button 7, passing the distribution route through said channel.
Segun un modo de realizacion representado, la via de distribucion desemboca en una camara de turbulencia 16 que esta formada entre la boquilla 14 y una superficie 17 de la carcasa 13, estando provista dicha camara de turbulencia con el orificio de distribucion 9. Esta realizacion permite hacer girar muy rapidamente el producto lfquido en la camara de turbulencia 16 para restituir dicho producto en forma de aerosol a traves del orificio de distribucion 9. En variante, principalmente en el caso de un producto mas viscoso, la boquilla 14 puede estar en forma de un tubo de prolongacion.According to one embodiment shown, the distribution path leads to a turbulence chamber 16 that is formed between the nozzle 14 and a surface 17 of the housing 13, said turbulence chamber being provided with the distribution hole 9. This embodiment allows rotating the liquid product very quickly in the turbulence chamber 16 to restore said product in the form of an aerosol through the distribution hole 9. In variant, mainly in the case of a more viscous product, the nozzle 14 may be in the form of an extension tube
Teniendo en cuenta los esfuerzos ejercidos por la presion del producto en la via de distribucion, principalmente del orden de 5 a 7 bares, es necesario asegurar la resistencia mecanica del montaje de la boquilla 14 y de la varilla 6 en el boton pulsador 7. Para hacerlo, los montajes son realizados por encaje, estando equipada la boquilla 14, ademas, por una proyeccion radial 18 que forma un medio de insercion en la carcasa 13.Taking into account the efforts exerted by the pressure of the product in the distribution route, mainly of the order of 5 to 7 bars, it is necessary to ensure the mechanical resistance of the assembly of the nozzle 14 and the rod 6 in the push button 7. To To do so, the assemblies are made by fitting, the nozzle 14 being equipped, in addition, by a radial projection 18 that forms a means of insertion into the housing 13.
Para evitar el riesgo de expulsion de la boquilla 14 durante la distribucion, dicha boquilla puede estar realizada a base de un material que comprende al menos una poliolefina que esta cargada con al menos un COC. Ademas, la carcasa 13 puede estar realizada de poliolefina no cargada con COC para presentan una flexibilidad que favorece una buena insercion de la proyeccion ngida 18.To avoid the risk of ejection of the nozzle 14 during distribution, said nozzle may be made of a material comprising at least one polyolefin that is loaded with at least one COC. In addition, the housing 13 can be made of polyolefin not loaded with COC to present a flexibility that favors a good insertion of the projected nipple 18.
Por otro lado, al menos el pocillo 12 puede estar realizado de poliolefina no cargada con COC para presentar una rigidez inferior a la de la varilla 6 con el fin de favorecer la resistencia mecanica y la estanqueidad del montaje entre el boton pulsador 7 y dicha varilla.On the other hand, at least the well 12 can be made of polyolefin not loaded with COC to present a rigidity lower than that of the rod 6 in order to favor the mechanical resistance and the tightness of the assembly between the push button 7 and said rod .
De manera ventajosa, el boton pulsador 7 esta realizado de una sola pieza a base de un material de poliolefina, principalmente a base de polietileno, no cargado con COC para permitir, ademas de la resistencia mecanica y la estanqueidad al nivel de las zonas de montaje con la boquilla 14 y la varilla 6, un toque mas cualitativo durante el apoyo sobre dicho boton pulsador.Advantageously, the push button 7 is made of a single piece based on a polyolefin material, mainly based on polyethylene, not loaded with COC to allow, in addition to the mechanical resistance and the tightness at the level of the assembly areas with the nozzle 14 and the rod 6, a more qualitative touch during the support on said push button.
En el modo de realizacion representado, la valvula 8 de la varilla 6 comprende un piston 19 que esta montado coaxialmente alrededor de dicha varilla presentando una superficie de estanqueidad exterior 20 que esta en apoyo estanco en la camara interna 2 para formar dicho piston y el orificio de alimentacion 3 una camara de dosificacion del producto. El piston 19 presenta igualmente una superficie de estanqueidad interior 21 que es accionable en desplazamiento con relacion al menos a un orificio aguas arriba 11 de la via de distribucion.In the embodiment shown, the valve 8 of the rod 6 comprises a piston 19 that is coaxially mounted around said rod having an outer sealing surface 20 that is in a tight support in the inner chamber 2 to form said piston and the orifice of feeding 3 a dosing chamber of the product. The piston 19 also has an inner sealing surface 21 that is operable in displacement relative to at least one hole upstream 11 of the distribution path.
El piston 19 presenta un manguito 22 de montaje en deslizamiento alrededor de la varilla 6, estando configurado dicho montaje para permitir el desplazamiento reversible de la superficie de estanqueidad interior 21 entre un estado estable de cierre y un estado forzado de apertura de la comunicacion de la via de distribucion con la camara interna 2. En variante no representada, el accionamiento de la superficie de estanqueidad interior 21 entre sus dos estados puede ser realizado por deformacion del piston 19.The piston 19 has a sleeve 22 for sliding assembly around the rod 6, said assembly being configured to allow the reversible displacement of the inner sealing surface 21 between a stable state of closure and a forced state of communication opening of the distribution route with the internal chamber 2. In a variant not shown, the actuation of the inner sealing surface 21 between its two states can be carried out by deformation of the piston 19.
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El piston 19 puede estar realizado de un material mas blando que el de la varilla 6 y del cuerpo 1, por ejemplo de poliolefina, principalmente a base de polietileno no cargado con COC, con el fin de asegurar la estanqueidad de la camara interna 2 al nivel de las superficies de estanqueidad exterior 20 e interior 21, pudiendo beneficiarse de un coeficiente bajo de friccion entre dicha varilla y dicho piston.The piston 19 can be made of a softer material than that of the rod 6 and the body 1, for example polyolefin, mainly based on polyethylene not loaded with COC, in order to ensure the tightness of the inner chamber 2 to level of the outer and inner sealing surfaces 20, being able to benefit from a low coefficient of friction between said rod and said piston.
La bomba comprende un muelle 23 que esta dispuesto en la camara interna 2, entre la varilla 6 y el cuerpo 1, para recuperar dicha varilla al estado estable despues del accionamiento sobre su carrera de distribucion. En particular, la varilla 6 esta equipada con un tope bajo 24 asociado sobre el que se apoya el muelle 23.The pump comprises a spring 23 which is arranged in the internal chamber 2, between the rod 6 and the body 1, to recover said rod to the stable state after the drive on its distribution stroke. In particular, the rod 6 is equipped with an associated low stop 24 on which the spring 23 rests.
Ademas, el deslizamiento del piston 19 esta limitado por un muelle de pre-compresion 25 que esta montado apoyado entre el manguito 22 y la proyeccion radial 26 de la varilla 6, ejerciendo dicho muelle de pre-compresion un esfuerzo de bloqueo de la superficie de estanqueidad interior 21 contra el tope bajo 24 con el fin de asegurar el cierre estanco de los orificios aguas arriba 11 entre dos distribuciones.Furthermore, the sliding of the piston 19 is limited by a pre-compression spring 25 that is mounted supported between the sleeve 22 and the radial projection 26 of the rod 6, said pre-compression spring exerting an effort to block the surface of inner seal 21 against the low stop 24 in order to ensure the tight sealing of the upstream holes 11 between two distributions.
Para presentar una resistencia suficiente al arrastre y a las tensiones mecanicas, el tope bajo 24 puede estar realizado de un material similar al de la varilla 6, es decir, a base de un material que comprende al menos una poliolefina que esta cargada con al menos un COC.In order to present sufficient resistance to drag and mechanical stresses, the low stop 24 may be made of a material similar to that of the rod 6, that is, based on a material comprising at least one polyolefin that is loaded with at least one COC.
Por otro lado, el orificio de alimentacion 3 esta coronado por un asiento 27 con relacion al cual se desplaza una valvula de admision en forma de una bola 28 de manera reversible entre un estado de apertura de dicho asiento para permitir la alimentacion de la camara interna 2 y un estado de cierre de dicho asiento.On the other hand, the feed hole 3 is crowned by a seat 27 in relation to which an inlet valve in the form of a ball 28 is reversibly moved between an opening state of said seat to allow the feeding of the internal chamber 2 and a closing state of said seat.
Para permitir una estanqueidad optima en el estado cerrado, la valvula de admision y el asiento 27 pueden estar realizados de materiales que presentan rigideces diferentes. Por ejemplo, el asiento 27 puede ser mas blando que la valvula de admision, pudiendo estar realizados dicho asiento y dicha valvula de poliolefina, respectivamente, no cargada y cargada con COC. En variante, el asiento 27 y la valvula de admision pueden estar realizados de poliolefina, respectivamente, cargada o no cargada con COC.To allow optimum sealing in the closed state, the intake valve and seat 27 may be made of materials having different stiffnesses. For example, the seat 27 may be softer than the intake valve, said seat and said polyolefin valve may be made, respectively, not loaded and loaded with COC. In variant, the seat 27 and the intake valve can be made of polyolefin, respectively, loaded or not loaded with COC.
Segun una realizacion ventajosa, el asiento 27 esta realizado en una sola pieza con el cuerpo 1 a partir de un material de poliolefina, por ejemplo a base de polipropileno, que no esta cargado con COC.According to an advantageous embodiment, the seat 27 is made in one piece with the body 1 from a polyolefin material, for example based on polypropylene, which is not loaded with COC.
Claims (11)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1360024 | 2013-10-15 | ||
| FR1360024A FR3011830B1 (en) | 2013-10-15 | 2013-10-15 | SYSTEM FOR DISTRIBUTING A PRESSED PRODUCT |
| PCT/FR2014/052516 WO2015055915A1 (en) | 2013-10-15 | 2014-10-03 | System for dispensing a pressurized product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2682682T3 true ES2682682T3 (en) | 2018-09-21 |
| ES2682682T5 ES2682682T5 (en) | 2023-05-26 |
Family
ID=50069068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES14787240T Active ES2682682T5 (en) | 2013-10-15 | 2014-10-03 | Distribution system of a product under pressure |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP3057715B2 (en) |
| ES (1) | ES2682682T5 (en) |
| FR (1) | FR3011830B1 (en) |
| WO (1) | WO2015055915A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022052463A1 (en) * | 2020-09-08 | 2022-03-17 | 余姚市绿亚工具有限公司 | Anti-pollution container and anti-pollution liquid pump thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH655510B (en) † | 1982-02-08 | 1986-04-30 | ||
| JP3960916B2 (en) * | 2000-06-12 | 2007-08-15 | 帝人株式会社 | Powder drug multi-dose device |
| FR2848196B1 (en) † | 2002-12-10 | 2005-08-05 | Valois Sas | FLUID PRODUCT TANK AND DISPENSING DEVICE COMPRISING SUCH A TANK |
| FR2931136A1 (en) * | 2008-05-14 | 2009-11-20 | Rexam Dispensing Systems Sas | PUSH BUTTON WITH CONVERGENT DISTRIBUTION CHANNELS |
| FR2971772B1 (en) * | 2011-02-17 | 2013-03-22 | Valois Sas | DEVICE FOR DISPENSING FLUID PRODUCT. |
| FR2973786B1 (en) * | 2011-04-06 | 2014-07-04 | Valois Sas | RING FOR DEVICE FOR DISPENSING FLUID. |
-
2013
- 2013-10-15 FR FR1360024A patent/FR3011830B1/en active Active
-
2014
- 2014-10-03 ES ES14787240T patent/ES2682682T5/en active Active
- 2014-10-03 EP EP14787240.2A patent/EP3057715B2/en active Active
- 2014-10-03 WO PCT/FR2014/052516 patent/WO2015055915A1/en active Application Filing
- 2014-10-03 EP EP18158045.7A patent/EP3363544B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3363544B2 (en) | 2023-08-09 |
| EP3057715B2 (en) | 2023-01-11 |
| EP3363544A1 (en) | 2018-08-22 |
| FR3011830B1 (en) | 2015-10-23 |
| EP3057715B1 (en) | 2018-06-27 |
| ES2682682T5 (en) | 2023-05-26 |
| FR3011830A1 (en) | 2015-04-17 |
| EP3057715A1 (en) | 2016-08-24 |
| EP3363544B1 (en) | 2020-04-01 |
| WO2015055915A1 (en) | 2015-04-23 |
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