ES2243122A1 - Venturi effect based paint gun includes an actuator with a pipe admitting a second paint component into the spray gun - Google Patents
Venturi effect based paint gun includes an actuator with a pipe admitting a second paint component into the spray gunInfo
- Publication number
- ES2243122A1 ES2243122A1 ES200302819A ES200302819A ES2243122A1 ES 2243122 A1 ES2243122 A1 ES 2243122A1 ES 200302819 A ES200302819 A ES 200302819A ES 200302819 A ES200302819 A ES 200302819A ES 2243122 A1 ES2243122 A1 ES 2243122A1
- Authority
- ES
- Spain
- Prior art keywords
- paint
- chamber
- gun
- outlet
- additive
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
- B05B7/061—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with several liquid outlets discharging one or several liquids
Abstract
Description
Pistola de pintar.Airbrush.
La presente invención se refiere a una pistola de pintar, del tipo de las empleadas para proyectar partículas de pintura o de un producto en estado líquido o pastoso sobre la superficie a tratar.The present invention relates to a gun paint, of the type used to project particles of paint or a product in a liquid or pasty state on the surface to be treated
Generalmente las pistolas de pintar comprenden: una primera cámara provista de una entrada para el acceso a su interior de la pintura a aplicar y de una boca de salida para el suministro de dicha pintura, una espiga desplazable por el usuario entre una posición de apertura y una posición de cierre de la boca de salida de dicha primera cámara, y una segunda cámara conectada de un aparato dispensador de aire a presión y que dispone de una boca de salida anular, dispuesta en torno a la boca de salida de la primera cámara, para proyectar la pintura que emerge a través de aquella.Generally paint guns include: a first camera provided with an entrance for access to its interior of the paint to be applied and an outlet for the supply of said paint, a user movable spike between an open position and a closed mouth position output of said first camera, and a second camera connected of a pressurized air dispensing apparatus and having a annular outlet, arranged around the outlet of the first camera, to project the paint that emerges through that.
Actualmente existen en el mercado diferentes tipos de productos, a los que se denominará genéricamente en esta descripción como pinturas, que se obtienen mediante la mezcla de dos componentes que pueden tratarse de pinturas de diferentes características, barnices, disolventes, catalizadores, etc. Siendo preciso realizar el mezclado de los mismos antes de realizar su aplicación mediante las pistolas de pintar existentes en el mercado.Currently there are different in the market types of products, which will be generically referred to in this description as paints, which are obtained by mixing two components that can be different paintings characteristics, varnishes, solvents, catalysts, etc. Being You need to mix them before you do your application using the existing paint guns in the market.
La mezcla previa de estos componentes plantea diferentes problemas siendo uno de ellos la dificultad que supone la obtención en sucesivas preparaciones de mezclas manteniendo constantes las cantidades de cada uno de los componentes.Pre-mixing of these components raises different problems being one of them the difficulty involved obtaining in successive mixtures preparations while maintaining constant the quantities of each of the components.
Generalmente para solucionar este problema se opta por preparar una cantidad suficiente de producto con las proporciones adecuadas de los dos componentes, de forma que la cantidad de producto preparado sea suficiente para realizar el trabajo previsto.Generally to solve this problem you choose to prepare a sufficient quantity of product with the adequate proportions of the two components, so that the quantity of product prepared is sufficient to perform the planned work.
Esta solución conlleva otros problemas adicionales ya que generalmente se tiende a preparar una cantidad excesiva de producto, debiendo desechar parte del mismo, bien porque sea producto sobrante, lo que puede suponer un importante coste económico, o bien porque la mezcla preparada deba de aplicarse en un tiempo determinado, lo que sucede con frecuencia cuando uno de los productos es un catalizador que acelera el secado del otro.This solution involves other problems. additional as it usually tends to prepare an amount excessive product, must discard part of it, well because it is a surplus product, which can be an important economic cost, or because the prepared mixture must apply in a certain time, what happens frequently when one of the products is a catalyst that accelerates drying of the other.
Por tanto el mezclado previo de los dos componentes de la pintura o producto para su aplicación mediante las pistolas convencionales supone normalmente unos costes superiores a los del producto realmente utilizado.Therefore the previous mixing of the two components of the paint or product for application by conventional guns usually involve costs superior to those of the product actually used.
Para solventar estos problemas se ha ideado la pistola de pintar objeto de la presente invención representa unas particularidades constructivas orientadas a aportar separadamente los dos productos hacia el interior de la pistola, de forma que éstos no entran en contacto hasta el instante previo a su aplicación, realizándose únicamente el consumo de aquellas cantidades de los mismos proyectados por la pistola, evitando además la realización de mezclas previas y el deterioro de la mezcla en aquellos casos en los que el tiempo de aplicación se encuentra limitado por tratarse uno de dichos componentes de un catalizador que acelera el proceso de secado.To solve these problems, the paint gun object of the present invention represents some constructive particularities oriented to contribute separately the two products inside the gun, so that these do not come into contact until the instant prior to their application, only the consumption of those amounts thereof projected by the gun, avoiding also the realization of previous mixtures and the deterioration of the mixture in those cases in which the application time is is limited because it is one of these components of a catalyst that accelerates the drying process.
De acuerdo con la invención, esta pistola de pintar incluye una serie de elementos convencionales tales como: una primera cámara provista de una entrada para el acceso a su interior de la pintura a aplicar y de una boca de salida para el suministro de dicha pintura, una espiga desplazable entre una posición de apertura y una posición de cierre de la boca de salida de dicha primera cámara, y una segunda cámara conectada a un aparato de aire dispensador a presión y que dispone de una boca de salida anular dispuesta en torno a la boca de salida de la primera cámara para proyectar el producto que emerge a través de la misma.According to the invention, this gun of painting includes a series of conventional elements such as: a first camera provided with an entrance for access to its interior of the paint to be applied and an outlet for the supply of said paint, a movable spike between a opening position and a closing position of the outlet of said first camera, and a second camera connected to a pressure dispensing air apparatus and having a mouth of annular outlet arranged around the outlet of the first camera to project the product that emerges through the same.
Esta pistola dispondrá como es habitual de un gatillo o elemento accionador que al ser accionado dispone la espiga desplazable en una posición de apertura o de cierre de la boca de salida de la primera cámara y que realiza simultáneamente la apertura o cierre del paso de aire a presión hacia la segunda cámara.This gun will have as usual a trigger or actuator element which, when activated, provides the movable pin in an open or closed position of the mouth of the first chamber and that simultaneously performs the opening or closing the passage of pressurized air to the second camera.
De acuerdo con la invención y con el fin de conseguir los fines mencionados anteriormente, se ha previsto que la espiga disponga de un conducto interior para la introducción en la primera cámara de un aditivo o componente adicional destinado a aplicarse conjuntamente con la pintura que accede a dicha primera cámara.In accordance with the invention and in order to achieve the aforementioned purposes, it is expected that the pin has an inner duct for introduction into the first chamber of an additive or additional component intended for be applied together with the paint that accesses said first camera.
El mencionado conducto interior de la espiga dispone de una boca de entrada por la que accede a su interior el aditivo a aplicar cuando dicha espiga se dispone en la posición de apertura y de una boca de salida que se dispone en el interior de dicha primera cámara de la pistola cuando la espiga se dispone en la posición de apertura, añadiendo a la pintura contenida en dicha primera cámara el aditivo o componente adicional a aplicar conjuntamente con la pintura.The mentioned inner duct of the spike It has an entrance mouth through which it accesses the additive to be applied when said pin is arranged in the position of opening and an outlet that is available inside said first chamber of the gun when the pin is arranged in the opening position, adding to the paint contained in said first chamber the additive or additional component to apply Together with the paint.
Mediante la incorporación del conducto interior en la espiga, esta pistola permite, al disponer la espiga en la posición de apertura de la primera cámara, se realice el aporte al interior de dicha primera cámara y de forma simultánea de la pintura y del aditivo correspondiente es decir de los dos componentes del producto a aplicar, de forma que ambos serán proyectados por la pistola simultáneamente.By incorporating the inner duct in the spike, this gun allows, by arranging the spike in the opening position of the first chamber, the contribution to the inside said first chamber and simultaneously painting and of the corresponding additive that is to say of the two components of the product to be applied, so that both will be projected by the gun simultaneously.
Cuando la espiga se dispone en la posición de cierre de la primera cámara se deja de suministrar el aditivo o componente adicional a dicha primera cámara a la vez que se cierra el paso de aire a presión a la segunda cámara.When the pin is arranged in the position of closure of the first chamber is stopped supplying the additive or additional component to said first camera while closing the passage of pressurized air to the second chamber.
Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las características de la invención, se acompaña a la presente memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being performing and in order to facilitate the understanding of characteristics of the invention, is attached herein descriptive a set of drawings in which, for illustrative purposes and not limiting, the following has been represented:
- La figura 1 muestra una vista en alzado de la zona anterior de la pistola de pintar objeto de la invención, seccionada por un plano vertical, en la que se pueden observar la espiga desplazable en la posición de cierre y el conducto interior, definido en la misma, para la introducción en la primera cámara de la pistola del aditivo o componente adicional de la pintura.- Figure 1 shows an elevation view of the front area of the paint gun object of the invention, sectioned by a vertical plane, in which you can observe the movable pin in the closed position and the inner duct, defined therein, for the introduction in the first chamber of the additive gun or additional paint component.
- La figura 2 muestra una vista análoga a la anterior en la que se ha representado la espiga desplazable en una posición de apertura de la primera cámara, aportando al interior de la misma el aditivo o componente adicional destinado a aplicarse conjuntamente con la pintura obtenida en dicha primera cámara.- Figure 2 shows a view similar to the anterior in which the movable spike has been represented in a opening position of the first chamber, contributing to the interior of the same additive or additional component intended to be applied together with the paint obtained in said first chamber.
- La figura 3 muestra un detalle de la punta de la espiga en la que se aprecian varios orificios de salida en su parte cónica.- Figure 3 shows a detail of the tip of the pin in which there are several exit holes in its conical part
Como se puede observar en las figuras referenciadas, la pistola de pintar objeto de la invención dispone de una primera cámara (1) provista de una entrada (11) por la que accede a su interior la pintura a aplicar y de una boca de salida (12) a través de la que se suministrará el producto a aplicar. La pistola dispone de una segunda cámara (2) con unas bocas de entrada (21) por las que accede a su interior el aire a presión procedente de un compresor o similar y de una boca de salida anular (22) dispuesta en torno a la boca de salida (12) de la primera cámara, de forma que el aire emergente por la boca de salida (22) realiza una succión, por efecto Venturi, del producto contenido en la primera cámara proyectándolo hacia el exterior.As can be seen in the figures referenced, the paint gun object of the invention has of a first camera (1) provided with an input (11) by which access the paint to be applied inside and from an outlet (12) through which the product to be applied will be supplied. The gun has a second chamber (2) with some mouths of entry (21) through which the pressurized air coming inside of a compressor or similar and of an annular outlet (22) arranged around the outlet (12) of the first chamber, of so that the emerging air through the outlet (22) makes a suction, by Venturi effect, of the product contained in the first camera projecting it outwards.
En el interior de la primera cámara (1) se dispone una espiga (3) que se puede desplazar longitudinalmente entre las posiciones de cierre y de apertura de la boca de salida (12) de la primera cámara, tal como se muestra respectivamente en las figuras 1 y 2.Inside the first chamber (1) you it has a pin (3) that can move longitudinally between the closing and opening positions of the outlet (12) of the first chamber, as shown respectively in Figures 1 and 2.
De acuerdo con esta invención, la espiga (3) dispone de un conducto interior (31) provisto de una boca de entrada (32) por la que puede acceder a su interior un aditivo o componente adicional y una boca de salida (33) que permite la introducción de dicho aditivo o componente adicional al interior de la primera cámara (1).In accordance with this invention, the spike (3) it has an inner duct (31) provided with a mouth of entry (32) through which an additive or additional component and an outlet (33) that allows the introduction of said additive or additional component into the first camera (1).
Cuando la espiga se dispone en la posición de cierre, representada en la figura 1, la boca de entrada (32) se encuentra distanciada de la boca (4) suministradora del aditivo o componente adicional, impidiendo el paso de éste hacia el conducto interior (31) de la espiga (3).When the pin is arranged in the position of closure, shown in figure 1, the inlet (32) is it is distanced from the mouth (4) supplier of the additive or additional component, preventing its passage into the duct inside (31) of the pin (3).
Cuando la espiga (3) se dispone en la posición de apertura representada en la figura 2, la boca de entrada (32) se dispone enfrentada con la boca (4) suministradora de aditivo, accediendo éste al conducto interior (31) y saliendo del mismo por la boca (33) hacia el interior de la primera cámara (1), donde se mezcla con la pintura que va accediendo a través de la boca de entrada (11) a dicha primera cámara (1).When the pin (3) is arranged in the position of opening shown in figure 2, the inlet mouth (32) is it has faced with the mouth (4) supplier of additive, accessing it to the inner duct (31) and leaving it by the mouth (33) into the first chamber (1), where mix with the paint that is accessed through the mouth of input (11) to said first chamber (1).
En esta posición de apertura, el aire emergente por la boca de salida (22) de la segunda cámara realiza la succión conjunta del aditivo y la pintura contenidos en la primera cámara (1) y su proyección hacia el exterior.In this opening position, the emerging air by the outlet (22) of the second chamber performs the suction joint additive and paint contained in the first chamber (1) and its outward projection.
A modo de resumen, es de destacar que la presente invención se basa en la definición en la espiga (3) del conducto interior (31) que permite el aporte de un aditivo o componente adicional a la pintura que accede a la primera cámara (1), con independencia de los medios empleados para regular o realizar el suministro de aditivo al conducto interior (31), aunque en este ejemplo de realización se haya mostrado, a titulo ilustrativo, un ejemplo de realización práctica de dichos medios, puede cambiar la configuración en lo que respecta a la alimentación del componente al interior de la espiga, así como su descarga, que puede ser coaxial (33), tal y como se ha representado en las figuras 1 y 2, radial ú oblicua, pudiendo también disponerse la salida en la superficie cónica de la espiga, sirviendo por ejemplo de válvula de cerrado, tal y como se representa en la figura 3.As a summary, it is noteworthy that this invention is based on the definition in the spike (3) of the duct interior (31) that allows the contribution of an additive or component additional to the paint that accesses the first chamber (1), with independence of the means used to regulate or carry out the supply of additive to the inner duct (31), although in this an exemplary embodiment has shown, by way of illustration, a example of practical realization of such means, you can change the configuration with regard to component power inside the spike, as well as its discharge, which can be coaxial (33), as depicted in figures 1 and 2, radial or oblique, the output can also be arranged in the conical surface of the spike, serving for example as a valve closed, as shown in figure 3.
Una vez descrita suficientemente la naturaleza de la invención, así como un ejemplo de realización preferente, se hace constar a los efectos oportunos que los materiales, forma, tamaño y disposición de los elementos descritos podrán ser modificados, siempre y cuando ello no suponga una alteración de las características esenciales de la invención que se reivindican a continuación.Once the nature of The invention, as well as a preferred embodiment, is for the appropriate purposes that the materials, form, size and arrangement of the elements described may be modified, as long as this does not imply an alteration of the essential features of the invention claimed in continuation.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200302819A ES2243122A1 (en) | 2003-12-01 | 2003-12-01 | Venturi effect based paint gun includes an actuator with a pipe admitting a second paint component into the spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200302819A ES2243122A1 (en) | 2003-12-01 | 2003-12-01 | Venturi effect based paint gun includes an actuator with a pipe admitting a second paint component into the spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2243122A1 true ES2243122A1 (en) | 2005-11-16 |
Family
ID=35429705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200302819A Pending ES2243122A1 (en) | 2003-12-01 | 2003-12-01 | Venturi effect based paint gun includes an actuator with a pipe admitting a second paint component into the spray gun |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2243122A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010126814A1 (en) * | 2009-04-28 | 2010-11-04 | Illinois Tool Works Inc. | Fluid through needle for applying multiple component material |
| WO2011100003A1 (en) | 2010-02-15 | 2011-08-18 | E.I. Du Pont De Nemours And Company | Two-component spray device and use thereof |
| EP2536509A1 (en) * | 2010-02-15 | 2012-12-26 | E.I. Du Pont De Nemours And Company | Two-component spray device and use thereof |
| AU2015200691B2 (en) * | 2009-04-28 | 2016-09-29 | Carlisle Fluid Technologies, Inc. | Fluid through needle for applying multiple component material |
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| GB566543A (en) * | 1943-07-21 | 1945-01-03 | Semtex Ltd | Improvements in or relating to spray producers |
| US2511627A (en) * | 1949-10-06 | 1950-06-13 | Sherwin Williams Co | Method for producing spatter finish coatings |
| GB692470A (en) * | 1951-03-13 | 1953-06-03 | Willy Schoenholzer | Spray device for spraying more or less semi-fluid materials |
| FR1145776A (en) * | 1955-03-22 | 1957-10-29 | Richard C Walther | Spray gun for varnishing |
| US2864653A (en) * | 1955-11-03 | 1958-12-16 | Atlas Copco Ab | Spray guns for spraying two or more materials |
| GB901175A (en) * | 1958-06-09 | 1962-07-18 | Ici Ltd | Spray guns |
| EP0105493A2 (en) * | 1982-09-30 | 1984-04-18 | Robert Beckersjürgen | Nozzle for a spray-gun, especially for a low-pressure spray-gun |
| DE4230535A1 (en) * | 1992-09-10 | 1994-03-17 | Metacap Gmbh Fabrikation Farbs | Two-component spray gun with handle and nozzle holder in housing - has second inlet for second component coupled to chamber, passed by nozzle needle. |
| JP2001149822A (en) * | 1999-11-24 | 2001-06-05 | Ikeuchi:Kk | Two fluids nozzle |
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2003
- 2003-12-01 ES ES200302819A patent/ES2243122A1/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB566543A (en) * | 1943-07-21 | 1945-01-03 | Semtex Ltd | Improvements in or relating to spray producers |
| US2511627A (en) * | 1949-10-06 | 1950-06-13 | Sherwin Williams Co | Method for producing spatter finish coatings |
| GB692470A (en) * | 1951-03-13 | 1953-06-03 | Willy Schoenholzer | Spray device for spraying more or less semi-fluid materials |
| FR1145776A (en) * | 1955-03-22 | 1957-10-29 | Richard C Walther | Spray gun for varnishing |
| US2864653A (en) * | 1955-11-03 | 1958-12-16 | Atlas Copco Ab | Spray guns for spraying two or more materials |
| GB901175A (en) * | 1958-06-09 | 1962-07-18 | Ici Ltd | Spray guns |
| EP0105493A2 (en) * | 1982-09-30 | 1984-04-18 | Robert Beckersjürgen | Nozzle for a spray-gun, especially for a low-pressure spray-gun |
| DE4230535A1 (en) * | 1992-09-10 | 1994-03-17 | Metacap Gmbh Fabrikation Farbs | Two-component spray gun with handle and nozzle holder in housing - has second inlet for second component coupled to chamber, passed by nozzle needle. |
| JP2001149822A (en) * | 1999-11-24 | 2001-06-05 | Ikeuchi:Kk | Two fluids nozzle |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010126814A1 (en) * | 2009-04-28 | 2010-11-04 | Illinois Tool Works Inc. | Fluid through needle for applying multiple component material |
| CN102802806A (en) * | 2009-04-28 | 2012-11-28 | 伊利诺斯工具制品有限公司 | Fluid through needle for applying multiple component material |
| US8807460B2 (en) | 2009-04-28 | 2014-08-19 | Finishing Brands Holdings Inc. | Fluid through needle for applying multiple component material |
| AU2010241824B2 (en) * | 2009-04-28 | 2014-11-20 | Carlisle Fluid Technologies, Inc. | Fluid through needle for applying multiple component material |
| CN104984848A (en) * | 2009-04-28 | 2015-10-21 | 伊利诺斯工具制品有限公司 | Fluid through needle for applying multiple component material |
| AU2015200691B2 (en) * | 2009-04-28 | 2016-09-29 | Carlisle Fluid Technologies, Inc. | Fluid through needle for applying multiple component material |
| US9586221B2 (en) | 2009-04-28 | 2017-03-07 | Carlisle Fluid Technologies, Inc. | Fluid through needle for applying multiple component material |
| US9675983B2 (en) | 2009-04-28 | 2017-06-13 | Carlisle Fluid Technologies, Inc. | Fluid through needle for applying multiple component material |
| WO2011100003A1 (en) | 2010-02-15 | 2011-08-18 | E.I. Du Pont De Nemours And Company | Two-component spray device and use thereof |
| EP2536509A1 (en) * | 2010-02-15 | 2012-12-26 | E.I. Du Pont De Nemours And Company | Two-component spray device and use thereof |
| EP2536509A4 (en) * | 2010-02-15 | 2014-08-13 | Coatings Foreign Ip Co Llc | Two-component spray device and use thereof |
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