ES2279049T3 - MANUAL SPRAY GUN AND ASSOCIATE DISPOSABLE CUP. - Google Patents

MANUAL SPRAY GUN AND ASSOCIATE DISPOSABLE CUP. Download PDF

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Publication number
ES2279049T3
ES2279049T3 ES03026312T ES03026312T ES2279049T3 ES 2279049 T3 ES2279049 T3 ES 2279049T3 ES 03026312 T ES03026312 T ES 03026312T ES 03026312 T ES03026312 T ES 03026312T ES 2279049 T3 ES2279049 T3 ES 2279049T3
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Spain
Prior art keywords
container
cup
lid
cup according
disposable
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Expired - Lifetime
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ES03026312T
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Spanish (es)
Inventor
Marco G. Vicentini
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Anest Iwata Europe SRL
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Anest Iwata Europe SRL
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Priority claimed from ITTO20021039 external-priority patent/ITTO20021039A1/en
Priority claimed from ITTO20030137 external-priority patent/ITTO20030137U1/en
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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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2478—Gun with a container which, in normal use, is located above the gun
    • 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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2408—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the container or its attachment means to the spray apparatus

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  • Nozzles (AREA)
  • Closures For Containers (AREA)

Abstract

A cup (6) for spray guns, comprising a disposable container (8) joined in removable fashion to a lid (5) with axial outflow fitting (7), independent of the cup and integrated with the body (4) of the gun (1), and a lining element (18) whose shape is complementary to that of the lid (5) and which is inserted in removable fashion within said lid (5) between the container (8) and the outflow fitting (7). <IMAGE>

Description

Pistola pulverizadora manual y copa desechable asociada.Manual spray gun and disposable cup associated.

Campo de la invenciónField of the Invention

La presente invención se refiere a pistolas manuales para la aplicación mediante pulverización de sustancias de recubrimiento tales como pinturas, productos químicos y similares.The present invention relates to guns manuals for application by spraying substances coating such as paints, chemicals and Similar.

Más específicamente, la invención se refiere a pistolas pulverizadoras manuales del tipo que comprenden un cuerpo que tiene un conducto para suministrar una sustancia que va a pulverizarse al que puede conectarse una copa desechable que tiene una tapa separable dotada con un accesorio de descarga para la conexión con dicho conducto de suministro.More specifically, the invention relates to manual spray guns of the type comprising a body that has a conduit to supply a substance that is going to spray to which a disposable cup can be connected that has a separable cover equipped with a discharge accessory for connection with said supply conduit.

Técnica anteriorPrior art

Se conocen pistolas pulverizadoras de esta clase, por ejemplo a partir de los documentos US-B-6.213.410 y US-A-2002/0134861. En las pistolas de este tipo, la copa desechable se aplica sobre la pistola en estado invertido, y se alimenta por gravedad la sustancia que va a pulverizarse contenida en la copa a la boquilla pulverizadora con la que está equipada la pistola.Spray guns of this are known class, for example from the documents US-B-6,213,410 and US-A-2002/0134861. In the guns of this type, the disposable cup is applied on the gun in inverted state, and the substance that is going to be fed by gravity spray contained in the cup to the spray nozzle with the The gun is equipped.

Alternativamente, la copa puede aplicarse por debajo de la pistola, y en este caso la sustancia que va a pulverizarse se suministra a presión a la boquilla atomizadora de la pistola.Alternatively, the cup can be applied by under the gun, and in this case the substance that is going to spray is supplied to the spray nozzle of the gun.

Cuando la sustancia se agota, se retira la copa desechable, se tira y se sustituye por una nueva copa.When the substance runs out, the cup is removed disposable, thrown away and replaced by a new cup.

Tradicionalmente en las copas desechables de las pistolas pulverizadoras conocidas, la tapa, que normalmente es separable, constituye una parte integrada de la copa: esto conlleva la necesidad de proporcionar un sistema para el acoplamiento con cualquier adaptador entre el accesorio de descarga de la tapa y el cuerpo de la pistola que, además de ser relativamente caro, a veces conduce a dificultades en la aplicación y la retirada de la copa desechable.Traditionally in the disposable cups of known spray guns, the lid, which is usually separable, it constitutes an integrated part of the cup: this entails the need to provide a system for coupling with any adapter between the cover discharge fitting and the body of the gun that, in addition to being relatively expensive, sometimes leads to difficulties in the application and withdrawal of the cup disposable.

Una solución de esta clase, en particular, se describe en el documento WO-98/32539, que da a conocer una copa dentro de la que se inserta un recipiente desechable con la sustancia que va a pulverizarse: dicho recipiente puede estar constituido por una bolsa plegable o, como en los casos descritos con referencia a la figura 2 y a la figura 10 de dicho documento, en un recipiente con forma de jarrón. En ambos casos, es un elemento que sirve como un revestimiento interno de la misma copa, que está constituida por un recipiente externo conectado de manera desmontable a una tapa de forma generalmente cónica que tiene un accesorio de descarga axial que puede conectarse al cuerpo de la pistola pulverizadora por medio de un adaptador. Esta solución elimina o al menos reduce la necesidad de lavar la copa al finalizar las operaciones de pulverización, pero la retirada del revestimiento interno para su sustitución requiere el desmontaje previo del recipiente externo. El recipiente externo, también, puede ser desechable, pero en este caso el coste de la copa completa es elevado.A solution of this kind, in particular, is described in document WO-98/32539, which gives know a cup into which a container is inserted disposable with the substance to be sprayed: said container It may consist of a folding bag or, as in the cases described with reference to figure 2 and figure 10 of said document, in a vase-shaped container. In both cases, it is an element that serves as an internal lining thereof cup, which is constituted by an external connected container of detachable way to a generally conical shaped lid that has an axial discharge fitting that can be connected to the body of the spray gun by means of an adapter. This solution eliminates or at least reduces the need to wash the cup by end the spraying operations, but the withdrawal of Internal lining for replacement requires disassembly previous external container. The outer container, too, can be disposable, but in this case the cost of the full cup is high.

La tendencia actual, en cualquier caso, es construir la copa completa como un elemento desechable, de modo que pueda retirarse y sustituirse más rápidamente cuando se agote la sustancia que va a pulverizarse, presente dentro de ella. Una solución de esta clase se describe en el documento WO-98/32539 mencionado anteriormente con referencia a las figuras 15-18, y está constituido por una copa desechable que comprende un recipiente abierto en un extremo y dotado en el otro extremo con un agujero de aireación que puede cerrarse, y con una tapa generalmente cónica conectada de forma desmontable al extremo abierto del recipiente, con la posible provisión de un filtro, y teniendo un accesorio de descarga axial que puede conectarse al cuerpo de una pistola pulverizadora a través de un adaptador apropiado. Después de su uso, tanto el recipiente como la tapa se tiran y se sustituyen. Alternativamente, la tapa puede constituir un componente reutilizable, es decir, uno que puede utilizarse después de su uso junto con la pistola.The current trend, in any case, is build the entire cup as a disposable item, so that can be removed and replaced more quickly when the substance to be sprayed, present within it. A solution of this class is described in the document WO-98/32539 mentioned above with reference to figures 15-18, and consists of a cup disposable comprising an open container at one end and endowed at the other end with an aeration hole that can close, and with a generally conical lid connected so removable to the open end of the container, with the possible provision of a filter, and having an axial discharge fitting which can be connected to the body of a spray gun to through an appropriate adapter. After use, both the container as the lid is thrown away and replaced. Alternatively, the lid may constitute a reusable component, that is, one which can be used after use together with the gun.

La primera solución (es decir, con recipiente y tapa desechables) es relativamente costosa debido a la necesidad de formar el accesorio de descarga de la tapa con los medios para su conexión desmontable a la pistola o incluso la de proporcionar un adaptador específico.The first solution (i.e. with container and disposable lid) is relatively expensive due to the need to form the lid discharge accessory with the means for its detachable connection to the gun or even to provide a specific adapter

Con la segunda solución (recipiente desechable y tapa reutilizable), cuando se necesita sustituir la copa desechable por una copa desechable similar que contiene una sustancia diferente, es necesario lavar la tapa. Esta operación puede resultar poco práctica y ardua y también conlleva el riesgo de que, como resultado de una manipulación apresurada o incompleta, la sustancia previa puede contaminar, al menos en parte, la nueva sustancia que va a pulverizarse posteriormente.With the second solution (disposable container and reusable lid), when you need to replace the disposable cup for a similar disposable cup that contains a substance different, it is necessary to wash the lid. This operation can be impractical and arduous and also carries the risk that, as a result of hasty or incomplete handling, the previous substance can contaminate, at least in part, the new Substance to be sprayed later.

El documento FR-A-2798868 da a conocer una copa para una pistola pulverizadora correspondiente al preámbulo de la reivindicación 1, cuyo recipiente desechable requiere que se perfore en su pared inferior tras su conexión a una pistola pulverizadora, de modo que permita la pulverización de la sustancia de recubrimiento que contiene en ella.The document FR-A-2798868 unveils a drink for a spray gun corresponding to the preamble of the claim 1, whose disposable container requires to be pierced on its bottom wall after its connection to a spray gun, so that it allows the spraying of the substance of coating it contains in it.

A partir del documento US-A-6435426 se conoce un montaje de copa para una pistola pulverizadora, que tiene un primer extremo configurado con accesorios adecuados para la unión al orificio de alimentación de la pistola pulverizadora y un segundo extremo con una gran abertura para el acceso y el llenado, que puede cerrarse mediante una tapa abovedada y un mecanismo asociado para proporcionar una unión por compresión de la tapa y la copa con una placa de junta flotante entre ellas. La placa de junta tiene un accesorio de adaptador de orificio que proporciona la capacidad de configurar dicha placa con un accesorio de ventilación, alimentación a presión o válvula de control, que se extendería a través de la tapa en el exterior de la copa, estando de este modo expuesto al riesgo, antes de su uso, de resultar dañado. Además, se evitaría que la copa se llenara descansando sobre su parte inferior.From the document US-A-6435426 a mounting of known cup for a spray gun, which has a first end configured with suitable accessories for connection to the hole of Spray gun power and a second end with a large opening for access and filling, which can be closed by a vaulted lid and an associated mechanism for provide a compression joint of the lid and cup with a floating joint plate between them. The gasket plate has a hole adapter accessory that provides the ability to configure said board with a ventilation accessory, power supply pressure or control valve, which would extend through the lid on the outside of the cup, thus being exposed to risk, before use, of being damaged. In addition, it would prevent the cup will be filled resting on its lower part.

Sumario de la invenciónSummary of the invention

El objeto de la presente invención es superar los inconvenientes mencionadas anteriormente, y dicho objeto se consigue gracias a las características expuestas en la parte caracterizadora de la reivindicación 1. Otras características secundarias de la copa según la invención se enumeran en las reivindicaciones 2 a la 11.The object of the present invention is to overcome the drawbacks mentioned above, and said object is get thanks to the features exposed in the part characterizing of claim 1. Other features of the cup according to the invention are listed in the claims 2 to 11.

El elemento de revestimiento de la tapa puede extraerse convenientemente tras la extracción del recipiente desechable de la copa, para una limpieza fácil y a fondo de la misma o, más ventajosamente, puede ser desechable también. En este caso, cuando la pistola se debe usar para pulverizar una sustancia diferente, el elemento de revestimiento de la tapa también se retirará y sustituirá, así como el recipiente
desechable.The cover lining element can be conveniently removed after removal of the disposable cup container, for easy and thorough cleaning thereof or, more advantageously, it can also be disposable. In this case, when the gun must be used to spray a different substance, the cover lining element will also be removed and replaced, as well as the container
disposable.

Dicho elemento de revestimiento de la tapa puede proporcionarse ventajosamente con un apéndice tubular que se extiende al menos parcialmente dentro del accesorio tubular de la tapa, y se inmoviliza ventajosamente de manera axial en relación con la propia tapa por medio de la tuerca anular de conexión entre el recipiente y la tapa.Said cover element of the lid can advantageously provided with a tubular appendix that is extends at least partially into the tubular fitting of the lid, and is advantageously immobilized axially in relation to with the cover itself by means of the connecting ring nut between The container and the lid.

Además, el recipiente está dotado ventajosamente con una conformación troncocónica, que diverge hacia su borde destinado a acoplarse con la tapa, lo que permite que se apile convenientemente mediante la inserción mutua con copas idénticas.In addition, the container is advantageously provided with a truncated conical conformation, which diverges towards its edge intended to mate with the lid, allowing it to stack conveniently by mutual insertion with cups identical.

La invención también se refiere a una pistola pulverizadora manual dotada con una copa de este tipo.The invention also relates to a gun Manual sprayer equipped with such a cup.

Breve descripción de los dibujosBrief description of the drawings

La invención se describirá ahora en detalle con referencia a los dibujos adjuntos, proporcionadas meramente a modo de ejemplo no limitativo, en los que:The invention will now be described in detail with reference to the attached drawings, provided merely by way of non-limiting example, in which:

La figura 1 es un alzado lateral esquemático de una pistola pulverizadora dotada con una copa según la invención.Figure 1 is a schematic side elevation of a spray gun equipped with a cup according to the invention.

La figura 2 es una vista parcialmente en sección y en alzado ampliada de la copa, yFigure 2 is a partially sectioned view and in enlarged elevation of the cup, and

La figura 3 es una vista en perspectiva en despiece ordenado, a escala reducida, de la copa.Figure 3 is a perspective view in Exploded order, on a small scale, of the cup.

Descripción detallada de la invenciónDetailed description of the invention

En referencia inicialmente a la figura 1, el número de referencia 1 designa el cuerpo de una pistola pulverizadora para pintar dotada en su parte posterior con un agarre 2 y en su parte anterior con una boquilla 3 de nebulización de tipo generalmente convencional.Referring initially to Figure 1, the reference number 1 designates the body of a gun paint sprayer endowed with a grip 2 and in its front part with a type 3 fogging nozzle generally conventional.

En la parte superior de la pistola 1 se forma un saliente 4 tubular que comunica con un conducto de suministro, no visible, conectado de manera conocida con la boquilla 3 atomizadora.In the upper part of the gun 1 a tubular projection 4 communicating with a supply conduit, not visible, connected in a known way with the nozzle 3 atomizer

El saliente 4 está adaptado para la aplicación de un elemento 5 con forma generalmente cónica o de embudo, que define la tapa de una copa 6 desechable que contiene la sustancia que va a pulverizarse por medio de la pistola 1.The protrusion 4 is adapted for the application of an element 5 with generally conical or funnel shape, which defines the lid of a disposable cup 6 that contains the substance to be sprayed by means of gun 1.

El elemento 5 de embudo, fabricado de material de metal o plástico, es independiente de la copa 6 desechable en el sentido de que constituye una parte integrada del cuerpo de la pistola: puede estar unida al saliente de manera permanente, es decir, de manera fija, o de manera desmontable. En el caso del ejemplo ilustrado, el acoplamiento del elemento 5 de embudo al saliente 4 se consigue por medio de una conexión roscada que incluye, de la manera mostrada en las figuras 2 y 3, un accesorio 7 de descarga tubular roscado externamente que se proyecta axialmente desde el elemento 5 de embudo y se enrosca en una rosca interna correspondiente, no mostrada del saliente 4 tubular. Debe observarse que dicho acoplamiento también podría llevarse a cabo de modo diferente, por ejemplo mediante un acoplamiento de bayoneta o similar y, tal como se ha establecido, también de forma permanente, es decir, no desmontable. También puede preverse una solución en la que el elemento 5 de embudo se forma integradamente en una única pieza con el cuerpo de la pistola 1.The funnel element 5, made of material made of metal or plastic, it is independent of the disposable cup 6 in the sense that it constitutes an integrated part of the body of the gun: can be permanently attached to the projection, it is say, fixedly, or detachably. In the case of Illustrated example, the coupling of funnel element 5 to projection 4 is achieved by means of a threaded connection that includes, as shown in figures 2 and 3, an accessory 7 externally threaded tubular discharge projecting axially from funnel element 5 and screwed into a thread corresponding internal, not shown from tubular boss 4. Should it should be noted that said coupling could also be carried out in different way, for example by means of a bayonet coupling or similar and, as stated, also permanently, that is, not removable. A solution can also be provided in the that funnel element 5 is formed integrally in a single piece with the gun body 1.

En referencia ahora en mayor detalle a las figuras 2 y 3, la copa 6 desechable comprende un recipiente 8 conformado de vidrio fabricado normalmente de material de plástico moldeado, que tiene forma cilíndrica, o más ventajosamente, troncocónica, con el fin de permitir su apilamiento mediante la inserción mutua con recipientes idénticos.Referring now in greater detail to the Figures 2 and 3, the disposable cup 6 comprises a container 8 glass forming normally made of plastic material molded, which has a cylindrical shape, or more advantageously, conical trunk, in order to allow stacking by means of mutual insertion with identical containers.

La pared de fondo del recipiente 8 conformado de vidrio, designada mediante el número 9, está dotada con una válvula de aireación designada generalmente mediante el número 10, cuya apertura y cierre pueden controlarse por medio de un obturador 11 que puede accionarse manualmente en rotación. Para la pulverización, mediante la pistola 1, de la sustancia contenida en la copa 6 desechable, la válvula de aireación se colocará en la posición abierta, con el fin de colocar el recipiente 8 conformado de vidrio en comunicación con el entorno a presión atmosférica.The bottom wall of the container 8 formed of glass, designated by number 9, is equipped with a valve of aeration generally designated by the number 10, whose opening and closing can be controlled by means of a shutter 11 which can be operated manually in rotation. For spraying, by gun 1, of the substance contained in cup 6 disposable, the aeration valve will be placed in the position open, in order to place the glass shaped container 8 in communication with the atmosphere at atmospheric pressure.

El extremo del recipiente 8 conformado de vidrio opuesto a la pared 9 de fondo está abierto y tiene una pestaña 12 radial externa formada integradamente con un reborde 13 de sellado circunferencial que se proyecta axialmente.The end of the glass shaped container 8 opposite the bottom wall 9 is open and has a tab 12 external radial formed integrally with a sealing flange 13 circumferential that projects axially.

La pestaña 12 anular con el reborde 13 de sellado se conecta herméticamente de forma desmontable al elemento 5 de embudo por medio de una tuerca 14 anular roscada internamente enroscada en una rosca 15 exterior de dicho elemento 5 de embudo. La tuerca 14 anular tiene ventajosamente un apéndice 16 anular axial interno adaptado para presionar dorsalmente la pestaña 12 anular del recipiente 8 conformado de vidrio contra una superficie 17 de tope anular interna del elemento 5 de embudo. Esto garantiza la conexión con el sello hermético total sin riesgos de fugas entre el recipiente 8 conformado de vidrio y el elemento 5 de embudo.The annular flange 12 with the flange 13 of sealed is removably connected to element 5 funnel by means of an internally threaded ring nut 14 screwed into an outer thread 15 of said funnel element 5. The annular nut 14 advantageously has an axial annular appendix 16 internally adapted to dorsally press the annular flange 12 of the glass shaped container 8 against a surface 17 of inner ring stop of funnel element 5. This guarantees the connection with the total hermetic seal without risk of leakage between the glass shaped container 8 and funnel element 5.

Según una característica fundamental de la invención, la copa 6 desechable comprende además un elemento 18 de revestimiento cuya forma es complementaria a la del elemento 5 de embudo y que se inserta de forma desmontable dentro de ella entre la pestaña 12 anular del elemento 8 conformado de vidrio y el accesorio 7 de descarga. El elemento 18 de revestimiento, que convenientemente también está compuesto de material de plástico moldeado, es preferiblemente desechable y ventajosamente tiene un apéndice 19 tubular axial que puede extenderse al menos parcialmente dentro del accesorio 7 tubular.According to a fundamental characteristic of the invention, the disposable cup 6 further comprises an element 18 of lining whose shape is complementary to that of element 5 of funnel and that is removably inserted into it between the annular flange 12 of the shaped glass element 8 and the 7 download accessory. The lining element 18, which conveniently it is also composed of plastic material molded, is preferably disposable and advantageously has a appendix 19 axial tubular that can extend at least partially inside the tubular accessory 7.

El elemento 18 de revestimiento está inmovilizado axialmente dentro del elemento 5 de embudo por medio de la misma tuerca 14 anular para la unión desmontable del vidrio 8. En el caso del ejemplo ilustrado, la inmovilización se lleva a cabo mediante la interposición de un disco 20 filtrante cuyo borde circunferencial está cerrado entre el reborde 13 de sellado de la pestaña 12 anular del vidrio 8 y la superficie 17 de tope anular del elemento 5 de embudo. Sin embargo, debe observarse que el disco 20 filtrante es opcional: en su ausencia, o con un elemento filtrante conformado de diferente manera acoplado, por ejemplo, dentro del accesorio 7 tubular, el elemento 18 de revestimiento puede dotarse con una pestaña anular externa interpuesta entre el reborde 13 y la superficie 17 de tope.The lining element 18 is axially immobilized within the funnel element 5 by means of  the same annular nut 14 for the removable union of the glass 8. In the case of the illustrated example, the immobilization is carried out by interposing a filter disk 20 whose edge circumferential is closed between the sealing flange 13 of the annular flange 12 of the glass 8 and the annular stop surface 17 of the  funnel element 5. However, it should be noted that disk 20 Filtering is optional: in its absence, or with a filter element shaped in a different way coupled, for example, within the tubular fitting 7, the lining element 18 can be provided with an outer ring flange interposed between flange 13 and the top surface 17.

El elemento 18 de revestimiento también puede formarse en una única pieza con el recipiente 8 conformado de vidrio.The lining element 18 can also be formed in a single piece with the container 8 formed of glass.

El montaje y desmontaje de la copa 6 desechable será fácilmente evidente a partir de la descripción anterior: la extracción del vidrio 8 y del elemento 18 de revestimiento para su posible sustitución puede realizarse rápida y fácilmente mediante el efecto del simple desenroscado de la tuerca 14 anular con respecto al elemento 5 de embudo.Assembly and disassembly of the disposable cup 6 It will be easily apparent from the description above: removal of the glass 8 and the covering element 18 for possible replacement can be done quickly and easily by the effect of simply unscrewing the ring nut 14 with with respect to funnel element 5.

Según una variante, no mostrada en los dibujos, el recipiente 8 de vidrio de la copa 6 desechable puede subdividirse internamente, por medio de un deflector axial integrado, en dos cámaras separadas, cada una destinada a contener una sustancia diferente respectiva que va a pulverizarse. En este caso, el elemento 18 de revestimiento también puede formarse con un par de canalizaciones separadas que pueden poner en comunicación las dos cámaras del elemento 8 conformado de vidrio con el accesorio 7 de descarga. A dichas canalizaciones pueden asociarse convenientemente válvulas de retención manuales respectivas para abrir-cerrar y regular el flujo de las dos sustancias contenidas en la copa 6 desechable hacia el conducto de suministro del cuerpo 1 de la pistola. Las dos canalizaciones también pueden tener diferentes secciones, por ejemplo con razones variables entre 1:1 y 1:5, según las características de las dos sustancias.According to a variant, not shown in the drawings, the glass container 8 of the disposable cup 6 can be subdivided  internally, by means of an integrated axial deflector, in two separate chambers, each intended to contain a substance different respective to be sprayed. In this case, the lining element 18 can also be formed with a pair of separate pipes that can communicate the two chambers of the glass shaped element 8 with the accessory 7 of discharge. These pipes can be conveniently associated respective manual check valves for open-close and regulate the flow of the two substances contained in the disposable cup 6 towards the conduit of supply of gun body 1. The two pipes they can also have different sections, for example with reasons variables between 1: 1 and 1: 5, depending on the characteristics of the two substances

Naturalmente, las realizaciones y los detalles de la construcción pueden variar ampliamente con respecto a lo que se describe y se ilustra en el presente documento, sin apartarse de ese modo del alcance de la presente invención tal como se define en las siguientes reivindicaciones.Naturally, the accomplishments and details of construction can vary widely with respect to what It is described and illustrated in this document, without departing from that mode of the scope of the present invention as defined in The following claims.

Claims (12)

1. Una copa (6) para pistolas pulverizadoras, que comprende un recipiente (8) desechable abierto en un extremo (12), una tapa (5) generalmente cónica que tiene un accesorio (7) de descarga axial diseñado para conectarse al cuerpo (4) de una pistola (1) pulverizadora, y un anillo (14) anular para la conexión sellada desmontable entre dicho extremo (12) abierto del recipiente (8) y dicha tapa (5), en la que dicha tapa (5) es independiente de la copa (6) para constituir una parte del cuerpo (4) de una pistola (1) pulverizadora, y en la que dicha copa (6) comprende además un elemento (18) de revestimiento cuya forma es complementaria a la de dicha tapa (5) y que se coloca de manera desmontable dentro de dicha tapa (5) entre dicho extremo (12) abierto del recipiente (8) y dicho accesorio (7) de descarga de la pistola (1) pulverizadora, caracterizada porque se proporciona una válvula (10) de aireación que puede abrirse y cerrarse por medio de un obturador (11) rotatorio en la pared (9) de fondo de dicho recipiente (8), estando dispuestos dicha válvula (10) de aireación y el obturador (11) rotatorio dentro de un rebaje exterior de dicha pared (9) de fondo de dicho recipiente (8).1. A cup (6) for spray guns, comprising a disposable container (8) open at one end (12), a generally conical lid (5) having an axial discharge fitting (7) designed to connect to the body ( 4) of a spray gun (1), and an annular ring (14) for the removable sealed connection between said open end (12) of the container (8) and said lid (5), wherein said lid (5) is independent of the cup (6) to constitute a part of the body (4) of a spray gun (1), and wherein said cup (6) further comprises a lining element (18) whose shape is complementary to that of said lid (5) and which is removably placed inside said lid (5) between said open end (12) of the container (8) and said discharge accessory (7) of the spray gun (1), characterized in that it is provided an aeration valve (10) that can be opened and closed by means of a rotary shutter (11) on the wall (9) at the bottom of said container (8), said aeration valve (10) and the rotating shutter (11) being disposed within an outer recess of said bottom wall (9) of said container (8). 2. Copa según la reivindicación 1, caracterizada porque dicho elemento (18) de revestimiento tiene un apéndice (19) tubular axial que se extiende al menos parcialmente dentro de dicho accesorio (7) tubular de la tapa (5).Cup according to claim 1, characterized in that said lining element (18) has an axial tubular appendix (19) extending at least partially within said tubular fitting (7) of the lid (5). 3. Copa según la reivindicación 1 o la reivindicación 2, caracterizada porque dicho elemento (18) de revestimiento se inmoviliza axialmente respecto a dicha tapa (5) por medio de dicho anillo (14) anular.Cup according to claim 1 or claim 2, characterized in that said covering element (18) is immobilized axially with respect to said cover (5) by means of said annular ring (14). 4. Copa según cualquiera de las reivindicaciones anteriores 1 a 3, caracterizada porque dicho elemento (18) de revestimiento es desechable.Cup according to any one of the preceding claims 1 to 3, characterized in that said coating element (18) is disposable. 5. Copa según cualquiera de las reivindicaciones 1 a 4, en la que dicho recipiente (8) desechable está compuesto de material de plástico moldeado, caracterizada porque dicho elemento (18) de revestimiento está compuesto de material de plástico moldeado.Cup according to any one of claims 1 to 4, wherein said disposable container (8) is composed of molded plastic material, characterized in that said coating element (18) is composed of molded plastic material. 6. Copa según cualquiera de las reivindicaciones anteriores 1 a 4, caracterizada porque comprende además un disco (20) filtrante interpuesto axialmente entre dicho recipiente (8) y dicha tapa (5) y a través del cual dicho elemento (18) de revestimiento se inmoviliza axialmente mediante dicho anillo (14) anular.Cup according to any of the preceding claims 1 to 4, characterized in that it further comprises a filter disk (20) axially interposed between said container (8) and said lid (5) and through which said coating element (18) is immobilized axially by said annular ring (14). 7. Copa según cualquiera de las reivindicaciones anteriores 1 a 6, caracterizada porque dicho recipiente (8) tiene forma troncocónica.Cup according to any one of the preceding claims 1 to 6, characterized in that said container (8) has a conical shape. 8. Copa según cualquiera de las reivindicaciones anteriores 1 a 7, caracterizada porque dicho extremo (12) abierto del recipiente (8) tiene una pestaña (12) externa radial formada con un reborde (13) de sellado circunferencial que se proyecta axialmente, y dicho anillo (14) anular tiene un apéndice (16) anular axial interno que puede presionar dorsalmente dicha pestaña (12) radial del recipiente (8) contra una superficie (17) de tope anular interna de dicha tapa (5).Cup according to any one of the preceding claims 1 to 7, characterized in that said open end (12) of the container (8) has a radial external flange (12) formed with an axially projecting circumferential sealing flange (13), and said annular ring (14) has an internal axial annular appendix (16) that can dorsally press said radial flange (12) of the container (8) against an inner annular stop surface (17) of said lid (5). 9. Copa según cualquiera de las reivindicaciones anteriores 1 a 8, caracterizada porque dicha tapa (5) y dicho elemento (18) de revestimiento tienen una forma general de embudo.Cup according to any one of the preceding claims 1 to 8, characterized in that said cover (5) and said covering element (18) have a general funnel shape. 10. Copa según cualquiera de las reivindicaciones anteriores 1 a 9, caracterizada porque está adaptada para contener dos sustancias separadas diferentes a pulverizar.10. Cup according to any one of the preceding claims 1 to 9, characterized in that it is adapted to contain two separate separate substances to be sprayed. 11. Copa según cualquiera de las reivindicaciones anteriores 1 a 10, caracterizada porque dicho elemento (18) de revestimiento se forma en una sola pieza con dicho recipiente (8) desechable.Cup according to any one of the preceding claims 1 to 10, characterized in that said covering element (18) is formed in one piece with said disposable container (8). 12. Una pistola pulverizadora manual que comprende una copa (6) según cualquiera de las reivindicaciones 1 a 11.12. A manual spray gun that comprises a cup (6) according to any of claims 1 to eleven.
ES03026312T 2002-11-29 2003-11-17 MANUAL SPRAY GUN AND ASSOCIATE DISPOSABLE CUP. Expired - Lifetime ES2279049T3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITTO20021039 ITTO20021039A1 (en) 2002-11-29 2002-11-29 SPRAY MANUAL GUN AND RELATED DISPOSABLE CUP.
ITTO02A1039 2002-11-29
ITTO030137U 2003-09-08
ITTO20030137 ITTO20030137U1 (en) 2003-09-08 2003-09-08 DISPOSABLE CUP FOR SPRAY GUNS.

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ES2279049T3 true ES2279049T3 (en) 2007-08-16

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AT (1) ATE348662T1 (en)
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EP1424135A1 (en) 2004-06-02
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EP1424135B1 (en) 2006-12-20
DE60310512D1 (en) 2007-02-01

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