EP1943146B1 - Device for filling an aerosol container with liquid, filling installation adapted to receive such a device and aerosol cap and container equipped with such a filling device - Google Patents

Device for filling an aerosol container with liquid, filling installation adapted to receive such a device and aerosol cap and container equipped with such a filling device Download PDF

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Publication number
EP1943146B1
EP1943146B1 EP06778834A EP06778834A EP1943146B1 EP 1943146 B1 EP1943146 B1 EP 1943146B1 EP 06778834 A EP06778834 A EP 06778834A EP 06778834 A EP06778834 A EP 06778834A EP 1943146 B1 EP1943146 B1 EP 1943146B1
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EP
European Patent Office
Prior art keywords
cup
filling
aerosol container
liquid
piston head
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EP06778834A
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German (de)
French (fr)
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EP1943146A1 (en
Inventor
Antoine Chassaing
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Fillon Investissement SA
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Fillon Investissement SA
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Application filed by Fillon Investissement SA filed Critical Fillon Investissement SA
Priority to PL06778834T priority Critical patent/PL1943146T3/en
Publication of EP1943146A1 publication Critical patent/EP1943146A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/003—Adding propellants in fluid form to aerosol containers

Definitions

  • the present invention relates to a liquid filling device, such as paint, aerosol container, a filling installation adapted to receive such a device, a cap for an aerosol container and an aerosol container equipped with at least a part of the filling device. .
  • the reservoir which may be disposable, is disposed within the cylinder and conforms to the shape.
  • An opening is provided at the same time at the lower end of the cylinder and the disposable reservoir, thus allowing the material to be injected to pass to the aerosol.
  • the presence of the disposable reservoir thus avoids the steps of cleaning the cylinder and, therefore, the disadvantages associated therewith, when one changes the material to be injected into the aerosol.
  • the end end of the piston is also covered with a plastic sheath, also disposable, thus protecting the piston and also avoiding cleaning.
  • An object of the present invention is therefore to provide a filling device whose design avoids any cleaning operation of the filling installation implementing such a device at the end of the filling operation.
  • Another object of the present invention is to provide a filling device whose design allows, after the filling operation, to avoid the operator any direct contact with the filling liquid while maintaining the element pusher, such as the piston, of a filling installation, free of any contamination.
  • Another object of the present invention is to provide a filling device whose design allows its versatility and in particular its use both as a filling device and cap aerosol.
  • Another object of the present invention is to provide a filling installation whose design allows the use, as a consumable, of a filling device of the aforementioned type.
  • Another object of the present invention is to provide an aerosol container whose cap design allows its realization in the form of a multipurpose piece so as to reduce the cost of the filling operation of such an aerosol container.
  • the subject of the invention is a device for filling liquid, such as paint, with an aerosol container, in particular using a filling installation equipped with a pusher element, this filling device comprising a bucket for to receive the filling liquid of the aerosol container, this bucket being provided at its bottom with an injection orifice adaptable to the valve of the aerosol container, a piston head acting by pushing on the filling liquid contained in the cup for the transfer from the bucket to the container, characterized in that the piston head is in the form of a scraper in continuous contact with the inner wall of the bucket during the transfer operation, this piston head being shaped to cooperate with the bucket to obtain, after transfer, the retention of the piston head inside the bucket to form a sealed wall trapping the residual liquid not transferred to the inside of the bucket .
  • the maintenance at the end of the operation of filling or transfer of the piston head inside the bucket allows withdrawal of the sole pusher element of said bucket when the latter is now present and the bucket free of soil.
  • the pusher element is ready to be reused in cooperation with a new piston head for a new filling operation.
  • maintaining the piston head inside the bucket makes it possible to trap the residual liquid that is not transferred inside the bucket between the piston head and the bottom wall of the said bucket so that the bucket can be manipulated, or even reversed, without risk of contamination of the hands of the operator by the residual liquid not transferred remaining inside the bucket.
  • the subject of the invention is also a cap for an aerosol container capable of being filled with liquid, such as paint, by its valve, by cooperation of said valve with a filling device comprising at least one cup, intended to receive the filling liquid of the aerosol container, said cap being intended to cap the valve of the aerosol container , characterized in that the cap has the shape of a bucket provided at its bottom with an injection orifice adaptable to the valve of the aerosol container to constitute, during the filling phase of the aerosol container, the receiving bucket and transferring the filling liquid from the aerosol container of the filling device, this filling device preferably being of the aforementioned type.
  • the cap is, pre-filled with filling liquid of the aerosol container, pre-equipped with a piston head removably coupled to the cap, this piston head being suitable, in the uncoupled state of the cap, to act by pushing on a filling liquid introduced into the cap for transferring the liquid to the aerosol container.
  • the invention further relates to the use of the bucket of the filling device of the aforementioned type as a cap of an aerosol container.
  • the invention also relates to a piston head of the type intended to act by pushing on the filling liquid of an aerosol container contained in a bucket provided at its bottom with an injection orifice for transferring said liquid from the bucket to the container during the adaptation of the injection port of the bucket to the valve of the aerosol container, the head being in the form of a circular part equipped on the one hand with a radial sealing scraper segment (such head is described in FR-A-2,684,087 ), characterized in that the circular part is equipped on the other hand in the center of its outer face in contact with the liquid of a projecting shutter intended to seal the injection port of the bucket, this head being adapted to cooperate with the bucket to form a disposable filling device.
  • the invention also relates to an aerosol container capable of being filled with liquid, such as paint, by its valve, by cooperation of said valve with a filling device comprising at least one bucket for receiving the filling liquid of the aerosol container.
  • a filling device comprising at least one bucket for receiving the filling liquid of the aerosol container.
  • this bucket being provided at its bottom an injection port adaptable to the valve of the aerosol container, characterized in that it is equipped with a transfer cap formed at least by the bucket of the filling device, this filling device preferably being of the aforementioned type.
  • the invention also relates to a liquid filling installation, such as painting, aerosol container, of the type comprising a frame delimiting a preferably closed enclosure, means for maintaining a bucket of liquid filling inside of the enclosure, at a location above the aerosol container location, in a position of contact with the valve of said container, a pusher element axially displaceable in said bucket for causing, by thrust on the liquid, the transfer of this liquid through an orifice of the bucket in the aerosol container, characterized in that the pusher element is equipped with a removable piston head, detachable from the pusher element inside the bucket before removal of the element pushing said bucket, so as to keep the pusher element free of dirt during its course.
  • the filling device which is the subject of the invention, is more particularly intended to allow the filling in liquid, in particular in paint, of an aerosol container of the type of that represented partially in FIG. figure 3 .
  • This aerosol container 1 is generally in the form of a cylindrical body provided at its upper part with a valve 2.
  • This valve 2 is surmounted by a removable diffuser, not shown, for diffusing into the atmosphere the liquid contained in inside of aerosol container. This diffusion is obtained using a propellant contained inside the aerosol container.
  • the filling of the aerosol container 1 with the liquid to be sprayed is effected by the valve 2 of the aerosol container 1. It requires for this purpose a filling device of the type of that according to the invention.
  • This filling device is generally used in cooperation with a filling installation equipped with a pusher element 12 although it can also be used alone.
  • the filling device conventionally comprises a bucket 3 intended to receive the filling liquid of the aerosol container 1.
  • This bucket 3 is provided at its bottom with a 4 injection orifice adaptable to the valve 2 of the container 1 aerosol.
  • a piston head 7 acts by pushing on the filling liquid contained in the bucket 3 to transfer it from the bucket 3 to the container 1.
  • the bucket 3 is positioned at first with its injection orifice 4 opposite the valve 2 of the aerosol container 1, said orifice 4 with its projection 4A being introduced into the valve 2.
  • the filling liquid, contained inside the cup 3 is, under the action of an axial displacement of the piston head 7 inside the bucket 3, transferred from the bucket 3 to the container 1.
  • the filling installation allows, with the aid of a pusher element 12, to act on the piston head 7 and to drive the latter in displacement inside the bucket.
  • the piston head 7 is in the form of a scraper in continuous contact with the inner wall of the bucket 3 during the transfer operation, this piston head 7 being shaped to cooperate with the bucket 3 to obtain, after transfer, the retention of the piston head 7 inside the bucket 3.
  • This piston head 7 thus forms a sealed wall trapping the residual liquid not transferred to the inside of the bucket 3.
  • the retention of the piston head 7 inside the bucket 3 can be effected by a large number of means.
  • this retention can be effected by elastic clamping of the wall of the bucket 3 around the piston head 7.
  • the piston head 7 is forced into the interior of the bucket 3.
  • an internal peripheral bead which retains, during an axial displacement of the pusher element towards the outside of the bucket, the piston head 7 inside said bucket.
  • the pusher member 12 is, when removed from the bucket, free of any soil and may be coated with a new piston head 7 for a new transfer operation.
  • the piston head 7 is retained in the bucket 3 in a transfer end position close to the bottom of the bucket 3 and in which it obstructs the injection orifice 4 of the bucket 3. This position is more particularly visible at the figure 2 . This position thus prevents any contamination of the filling installation when the operator is led to remove the bucket 3 of the aerosol container.
  • the piston head 7, which affects in the form of a circular disk has, in the center of its outer face in contact with the liquid, a projecting shutter 10 intended to seal the injection port 4 of the bucket 3.
  • the injection orifice 4 of the bucket 3 is externally extended by a projection 4A forming an injection nozzle positioned on the valve 2 of the aerosol container 1 and coming into the latter.
  • This nozzle is surrounded by a ring 6 protecting the end of the injection nozzle.
  • the ring 6 thus makes it possible to avoid contact of the operator's fingers with the end of the projection 4A. It also protects the protrusion 4A from damage during the various manipulations of the bucket 3, including before the transfer operation. It is thus understood that the shutter 10, in end transfer position, penetrates inside the nozzle and closes the latter.
  • This pusher element 12 is generally in the form of a pneumatic or hydraulic cylinder.
  • the rod of this cylinder is then capped with the piston head 7.
  • This piston head 7 is in the form of a circular disk with a radial sealing scraper segment. This disc is extended by a circular skirt 9 intended to cover the pusher element 12 generally type jack of a filling installation.
  • the cup 3 is made of a transparent or translucent material to allow in particular the visualization of the nature of the transferred liquid.
  • the residual liquid trapped between the piston head and the bottom of the bucket 3 is visible by the operator.
  • the operator can, at a glance, identify the color of the paint that has been transferred. This identification is particularly important when the bucket 3 is further intended to constitute the cap of the aerosol container 1.
  • the bucket 3 has, in the vicinity of its opening, an undercut 5 forming an immobilizing member by cooperation with a rim of the container 1 aerosol to form the cap of the container 1 aerosol.
  • the ability to view, on the cap, the color of the liquid transferred into said container allows any user to have information on the contents of the aerosol container by only viewing the cap of said container.
  • the bucket 3 and the piston head 7 are made in the form of consumables for single use.
  • This bucket 3 and this piston head 7 may be, before the transfer operation, stored on the aerosol container, the piston head 7 being housed inside the bucket generally with the diffuser of the aerosol container.
  • the piston head 7 is in this case housed inside the bucket 3 taking care to immobilize it in a position in which the thrust surface of the piston head is not parallel to the bottom forming surface of the bucket at risk. if not keep the piston head 7 trapped inside the bucket 3 and can no longer use the piston head 7 for the transfer operation.
  • the piston head 7 is disposed outside the cup 3 forming a cap and is coupled to the cap removably.
  • This coupling avoids any loss of the piston head 7 during the transport and storage phases of the cap before the filling step.
  • This coupling also renders the transfer function of the cap non-operational, the piston head 7 closing off the injection orifice 4.
  • the arrangement of the piston head 7 coming to bear against the outer face forming the bottom of the cap prevents any positioning of the cap in the bucket holder of a filling installation. As a result, the operator is obliged to separate the piston head 7 from the cap before the transfer step. Once the uncoupling operation has been carried out, the operator should not omit positioning the piston head 7 on the pusher element.
  • the piston head 7 is coupled to the cap by an interlocking connection.
  • the piston head 7 is provided on its face opposite to that provided with a shutter 10 of a hollow stud 17, this stud 17 being housed inside the ring 6 surrounding the orifice 4 of injection of the cap, in the space left free between ring and wall of the orifice 4.
  • the disconnection 7 head piston / bucket-cap is effected by a simple traction exerted on the piston head 7 to obtain two pieces in accordance to the figure 5 .
  • the piston head 7 is then positioned to be introduced into the cap to a position in which it will be retained permanently inside the latter.
  • the transfer operation can be carried out using a filling installation of the type for example of that partially shown in FIG. figure 3 .
  • This filling installation comprises a frame 11 delimiting an enclosure preferably closed by means of a door and this, for security reasons. Inside this enclosure, there are provided means 14 for maintaining a cup 3 of filling liquid inside the enclosure at a location above the aerosol container location 1 in a position contacting the valve 2 of said container 1.
  • These holding means 14 can affect a large number of forms. They were partially represented at the figure 3 in the form of a hollow cylinder for receiving the bucket 3 and maintaining it in a predetermined position, the cylinder 14 being itself maintained by appropriate connecting means secured to the frame 11 of the installation.
  • This installation comprises a pusher element 12 axially displaceable in said bucket 3 to cause, by pushing on the liquid, the transfer of this liquid, through an orifice 4 of the bucket 3, in the aerosol container 1.
  • This pusher element 12 is generally constituted by a cylinder actuated pneumatic or hydraulic.
  • the pusher element 12 is equipped with a removable piston head 7, which is inside the bucket 2, detachable from the pusher element 2 before removal of the pusher element 12 from said bucket 3.
  • the piston head 7 As the piston head 7 is mounted to a simple interlocking at the end of the pusher element 12, the retention of the piston head 7 inside the bucket 3 is easily effected. In the same way, this single-fitting assembly promotes the installation of a new piston head 7 at the end of the pusher element 12. Thus, in such a filling installation, the piston head 7 cooperates with the bucket 3 to form a disposable filling device. Indeed, once the transfer operation performed, the bucket and the piston head 7 are removed from the filling installation and replaced by a new bucket 3 and a new piston head 7.
  • the piston head 7 cooperates with the bucket 3 to form, after the transfer step, a cap said cap transfer of a container 1 aerosol.
  • This piston head 7 also cooperates with the bucket 3 to form, before or after the transfer step, a cap said cap transfer of a container 1 aerosol to fill.
  • the pusher element 12 of the filling installation is equipped with presence detection means of the piston head 7 in the state fixed on the pusher element 12. These detection means thus make it possible to avoid carrying out the transfer operation in the absence of a piston head 7 on the pusher element 12, which would lead to the dirt of the pusher element 12.
  • the pusher element 12 is in the form of a pneumatic cylinder which comprises a first chamber 15 supplied with fluid and allowing the output of the rod of the cylinder.
  • this pusher element is equipped with a second chamber 16 also supplied with fluid to allow the opposite retraction or retraction of the rod of the cylinder.
  • This cylinder is a cylinder type double effect.
  • In the body of the piston rod of this jack there is provided a fluid passage from the chamber 15 causing the extension or the output of the rod of the cylinder to the end of the rod. The outlet of this fluid passage can be closed only when positioning the piston head 7 on the cylinder rod.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Vacuum Packaging (AREA)
  • Basic Packing Technique (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Abstract

Device for filling an aerosol container with a liquid using in particular a filling arrangement equipped with a pusher element (12), includes a cup designed to accommodate the liquid for filling the aerosol container, this cup being provided on its bottom with an injection opening adapted to the valve of the aerosol container, a piston head (7) acting by pushing on the filling liquid contained in the cup for transferring it from the cup to the container. The piston head (7) comes in the form of a scraper in continuous contact with the inside wall of the cup during the transfer operation. The piston head (7) is shaped to work with the cup after transfer to keep the piston head (7) within the cup to form an airtight wall that retains the residual liquid that has not been transferred within the cup.

Description

La présente invention concerne un dispositif de remplissage en liquide, tel que peinture, de récipient aérosol, une installation de remplissage apte à recevoir un tel dispositif, un capuchon pour récipient aérosol et un récipient aérosol équipé d'au moins une partie du dispositif de remplissage.The present invention relates to a liquid filling device, such as paint, aerosol container, a filling installation adapted to receive such a device, a cap for an aerosol container and an aerosol container equipped with at least a part of the filling device. .

Il est déjà connu du document CH 458 965 des appareils destinés à remplir des récipients à aérosol de manière ponctuelle, comprenant un mécanisme à cylindre et à piston, actionné manuellement, pour injecter de la matière dans le récipient à aérosol contenant déjà un gaz propulseur. Le cylindre coiffe l'extrémité supérieure du récipient à aérosol, et est maintenu en place, au-dessus de l'aérosol, à l'aide de moyens de fixation. Ce cylindre comporte un réservoir destiné à recevoir la matière à injecter dans l'aérosol.It is already known from the document CH 458 965 apparatus for filling aerosol containers on an ad hoc basis, comprising a manually operated cylinder and piston mechanism for injecting material into the aerosol container already containing a propellant. The cylinder caps the upper end of the aerosol container, and is held in place, above the aerosol, using fastening means. This cylinder comprises a reservoir for receiving the material to be injected into the aerosol.

Le réservoir, qui peut être jetable, est disposé à l'intérieur du cylindre et en épouse la forme. Une ouverture est prévue, à la fois, à l'extrémité inférieure du cylindre et du réservoir jetable, permettant ainsi le passage de la matière à injecter vers l'aérosol. La présence du réservoir jetable permet d'éviter ainsi les étapes de nettoyage du cylindre et, donc les inconvénients qui y sont liés, lorsque l'on change de matière à injecter dans l'aérosol.The reservoir, which may be disposable, is disposed within the cylinder and conforms to the shape. An opening is provided at the same time at the lower end of the cylinder and the disposable reservoir, thus allowing the material to be injected to pass to the aerosol. The presence of the disposable reservoir thus avoids the steps of cleaning the cylinder and, therefore, the disadvantages associated therewith, when one changes the material to be injected into the aerosol.

Selon l'appareil de ce document, l'extrémité terminale du piston est également recouverte d'une gaine en matière plastique, également jetable, protégeant ainsi le piston et évitant également son nettoyage.According to the apparatus of this document, the end end of the piston is also covered with a plastic sheath, also disposable, thus protecting the piston and also avoiding cleaning.

Malheureusement un tel réservoir jetable, même s'il épouse parfaitement les contours intérieurs du cylindre, ne comprend pas de fermeture, et reste donc ouvert lorsque le piston est extrait de l'intérieur du cylindre. Par conséquent, même si la présence du réservoir jetable dans le cylindre évite son nettoyage à chaque changement de matière à injecter dans l'aérosol, son retrait manuel du cylindre peut entraîner la salissure et/ou la souillure du cylindre et/ou des éléments annexes proches, du fait encore de la présence de résidus de matière dans le fond du réservoir.Unfortunately, such a disposable reservoir, even if it perfectly matches the inner contours of the cylinder, does not include a closure, and therefore remains open when the piston is extracted from the inside of the cylinder. Therefore, even if the presence of the disposable reservoir in the cylinder avoids its cleaning at each change of material to be injected into the aerosol, its manual removal of the cylinder may lead to soiling and / or contamination of the cylinder and / or adjacent elements, the is still the presence of residues of matter in the bottom of the tank.

Parallèlement, le retrait de la gaine de protection du piston oblige l'opérateur à un contact avec le liquide résiduel recouvrant la gaine, l'opération de retrait s'effectuant manuellement.At the same time, the withdrawal of the protective sheath from the piston forces the operator to make contact with the residual liquid covering the sheath, the removal operation being carried out manually.

D'autres installations de remplissage utilisant un godet nettoyé après chaque remplissage sont connues des documents US-5.740.841 , EP-0.440.477 et FR-1.276.296 .Other filling facilities using a bucket cleaned after each filling are known from the documents US 5740841 , EP-0440477 and FR-1276296 .

Un but de la présente invention est donc de proposer un dispositif de remplissage dont la conception permet d'éviter toute opération de nettoyage de l'installation de remplissage mettant en oeuvre un tel dispositif à l'issue de l'opération de remplissage.An object of the present invention is therefore to provide a filling device whose design avoids any cleaning operation of the filling installation implementing such a device at the end of the filling operation.

Un autre but de la présente invention est de proposer un dispositif de remplissage dont la conception permet, à l'issue de l'opération de remplissage, d'éviter à l'opérateur tout contact direct avec le liquide de remplissage en maintenant l'élément pousseur, tel que le piston, d'une installation de remplissage, exempt de toute souillure.Another object of the present invention is to provide a filling device whose design allows, after the filling operation, to avoid the operator any direct contact with the filling liquid while maintaining the element pusher, such as the piston, of a filling installation, free of any contamination.

Un autre but de la présente invention est de proposer un dispositif de remplissage dont la conception permet sa polyvalence et notamment son utilisation à la fois comme dispositif de remplissage et capuchon de l'aérosol.Another object of the present invention is to provide a filling device whose design allows its versatility and in particular its use both as a filling device and cap aerosol.

Un autre but de la présente invention est de proposer une installation de remplissage dont la conception permet l'utilisation, à titre de consommable, d'un dispositif de remplissage du type précité. Un autre but de la présente invention est de proposer un récipient aérosol dont la conception du capuchon permet sa réalisation sous forme d'une pièce polyvalente de manière à réduire le coût de l'opération de remplissage d'un tel récipient aérosol.Another object of the present invention is to provide a filling installation whose design allows the use, as a consumable, of a filling device of the aforementioned type. Another object of the present invention is to provide an aerosol container whose cap design allows its realization in the form of a multipurpose piece so as to reduce the cost of the filling operation of such an aerosol container.

A cet effet, l'invention a pour objet un dispositif de remplissage en liquide, tel que peinture, de récipient aérosol à l'aide notamment d'une installation de remplissage équipée d'un élément pousseur, ce dispositif de remplissage comprenant un godet destiné à recevoir le liquide de remplissage du récipient aérosol, ce godet étant muni en son fond d'un orifice d'injection adaptable à la valve du récipient aérosol, une tête de piston agissant par poussée sur le liquide de remplissage contenu dans le godet pour le transférer du godet au récipient, caractérisé en ce que la tête de piston se présente sous forme d'un racleur en contact continu avec la paroi interne du godet lors de l'opération de transfert, cette tête de piston étant conformée pour coopérer avec le godet pour obtenir, après transfert, la retenue de la tête de piston à l'intérieur du godet pour former une paroi étanche emprisonnant le liquide résiduel non transféré à l'intérieur du godet.For this purpose, the subject of the invention is a device for filling liquid, such as paint, with an aerosol container, in particular using a filling installation equipped with a pusher element, this filling device comprising a bucket for to receive the filling liquid of the aerosol container, this bucket being provided at its bottom with an injection orifice adaptable to the valve of the aerosol container, a piston head acting by pushing on the filling liquid contained in the cup for the transfer from the bucket to the container, characterized in that the piston head is in the form of a scraper in continuous contact with the inner wall of the bucket during the transfer operation, this piston head being shaped to cooperate with the bucket to obtain, after transfer, the retention of the piston head inside the bucket to form a sealed wall trapping the residual liquid not transferred to the inside of the bucket .

Le maintien à l'issue de l'opération de remplissage ou de transfert de la tête de piston à l'intérieur du godet permet un retrait du seul élément pousseur dudit godet lorsque ce dernier est présent maintenant ainsi le godet exempt de salissure. L'élément pousseur est donc prêt à être réutilisé en coopération avec une nouvelle tête de piston pour une nouvelle opération de remplissage.The maintenance at the end of the operation of filling or transfer of the piston head inside the bucket allows withdrawal of the sole pusher element of said bucket when the latter is now present and the bucket free of soil. The pusher element is ready to be reused in cooperation with a new piston head for a new filling operation.

Parallèlement, le maintien de la tête de piston à l'intérieur du godet permet d'emprisonner le liquide résiduel non transféré à l'intérieur du godet entre la tête de piston et la paroi formant fond dudit godet de telle sorte que le godet peut être manipulé, voire renversé, sans risque de souillure des mains de l'opérateur par le liquide résiduel non transféré restant à l'intérieur du godet.At the same time, maintaining the piston head inside the bucket makes it possible to trap the residual liquid that is not transferred inside the bucket between the piston head and the bottom wall of the said bucket so that the bucket can be manipulated, or even reversed, without risk of contamination of the hands of the operator by the residual liquid not transferred remaining inside the bucket.

L'invention a encore pour objet un capuchon pour récipient aérosol apte à être rempli en liquide, tel que peinture, par sa valve, par coopération de ladite valve avec un dispositif de remplissage comprenant au moins un godet, destiné à recevoir le liquide de remplissage du récipient aérosol, ledit capuchon étant destiné à coiffer la valve du récipient aérosol, caractérisé en ce que le capuchon affecte la forme d'un godet muni en son fond d'un orifice d'injection adaptable à la valve du récipient aérosol pour constituer, lors de la phase de remplissage du récipient aérosol, le godet de réception et de transfert du liquide de remplissage du récipient aérosol du dispositif de remplissage, ce dispositif de remplissage étant de préférence du type précité.The subject of the invention is also a cap for an aerosol container capable of being filled with liquid, such as paint, by its valve, by cooperation of said valve with a filling device comprising at least one cup, intended to receive the filling liquid of the aerosol container, said cap being intended to cap the valve of the aerosol container , characterized in that the cap has the shape of a bucket provided at its bottom with an injection orifice adaptable to the valve of the aerosol container to constitute, during the filling phase of the aerosol container, the receiving bucket and transferring the filling liquid from the aerosol container of the filling device, this filling device preferably being of the aforementioned type.

Selon une forme de réalisation préférée de l'invention, le capuchon est, préalablement à son remplissage en liquide de remplissage du récipient aérosol, pré-équipé d'une tête de piston couplée au capuchon de manière démontable, cette tête de piston étant apte, à l'état désaccouplée du capuchon, à agir par poussée sur un liquide de remplissage introduit dans le capuchon pour le transfert du liquide au récipient aérosol.According to a preferred embodiment of the invention, the cap is, pre-filled with filling liquid of the aerosol container, pre-equipped with a piston head removably coupled to the cap, this piston head being suitable, in the uncoupled state of the cap, to act by pushing on a filling liquid introduced into the cap for transferring the liquid to the aerosol container.

L'invention a encore pour objet l'utilisation du godet du dispositif de remplissage du type précité à titre de capuchon d'un récipient aérosol.The invention further relates to the use of the bucket of the filling device of the aforementioned type as a cap of an aerosol container.

L'invention a encore pour objet une tête de piston du type destiné à agir par poussée sur le liquide de remplissage d'un récipient aérosol contenu dans un godet muni en son fond d'un orifice d'injection pour transférer ledit liquide du godet au récipient lors de l'adaptation de l'orifice d'injection du godet à la valve du récipient aérosol, la tête se présentant sous forme d'une pièce circulaire équipée d'une part d'un segment racleur d'étanchéité radiale (une telle tête est décrite dans FR-A-2 684 087 ), caractérisée en ce que la pièce circulaire est équipée d'autre part au centre de sa face externe en contact avec le liquide d'un obturateur saillant destiné à obturer à étanchéité l'orifice d'injection du godet, cette tête étant apte à coopérer avec le godet pour former un dispositif de remplissage à usage unique.The invention also relates to a piston head of the type intended to act by pushing on the filling liquid of an aerosol container contained in a bucket provided at its bottom with an injection orifice for transferring said liquid from the bucket to the container during the adaptation of the injection port of the bucket to the valve of the aerosol container, the head being in the form of a circular part equipped on the one hand with a radial sealing scraper segment (such head is described in FR-A-2,684,087 ), characterized in that the circular part is equipped on the other hand in the center of its outer face in contact with the liquid of a projecting shutter intended to seal the injection port of the bucket, this head being adapted to cooperate with the bucket to form a disposable filling device.

L'invention a encore pour objet un récipient aérosol apte à être rempli en liquide, tel que peinture, par sa valve, par coopération de ladite valve avec un dispositif de remplissage comprenant au moins un godet destiné à recevoir le liquide de remplissage du récipient aérosol, ce godet étant muni en son fond d'un orifice d'injection adaptable à la valve du récipient aérosol, caractérisé en ce qu'il est équipé d'un capuchon transfert formé au moins par le godet du dispositif de remplissage, ce dispositif de remplissage étant de préférence du type précité.The invention also relates to an aerosol container capable of being filled with liquid, such as paint, by its valve, by cooperation of said valve with a filling device comprising at least one bucket for receiving the filling liquid of the aerosol container. this bucket being provided at its bottom an injection port adaptable to the valve of the aerosol container, characterized in that it is equipped with a transfer cap formed at least by the bucket of the filling device, this filling device preferably being of the aforementioned type.

L'invention a encore pour objet une installation de remplissage en liquide, tel que peinture, de récipient aérosol, du type comprenant un bâti délimitant une enceinte de préférence fermée, des moyens de maintien d'un godet de liquide de remplissage à l'intérieur de l'enceinte, en un emplacement situé au-dessus de l'emplacement de récipient aérosol, dans une position de contact avec la valve dudit récipient, un élément pousseur déplaçable axialement dans ledit godet pour provoquer, par poussée sur le liquide, le transfert de ce liquide à travers un orifice du godet dans le récipient aérosol, caractérisée en ce que l'élément pousseur est équipé d'une tête de piston amovible, désolidarisable de l'élément pousseur à l'intérieur du godet avant retrait de l'élément pousseur dudit godet, de manière à maintenir exempt de salissures l'élément pousseur au cours de sa course.The invention also relates to a liquid filling installation, such as painting, aerosol container, of the type comprising a frame delimiting a preferably closed enclosure, means for maintaining a bucket of liquid filling inside of the enclosure, at a location above the aerosol container location, in a position of contact with the valve of said container, a pusher element axially displaceable in said bucket for causing, by thrust on the liquid, the transfer of this liquid through an orifice of the bucket in the aerosol container, characterized in that the pusher element is equipped with a removable piston head, detachable from the pusher element inside the bucket before removal of the element pushing said bucket, so as to keep the pusher element free of dirt during its course.

L'invention sera bien comprise à la lecture de la description suivante d'exemples de réalisation, en référence aux dessins annexés dans lesquels :

  • la figure 1 représente une vue en coupe d'un dispositif de remplissage conforme à l'invention, la tête de piston ayant été représentée dans une position de début de transfert du liquide de remplissage vers le récipient aérosol ;
  • la figure 2 représente une vue en coupe d'un dispositif de remplissage en liquide conforme à l'invention en position de fin de transfert de la tête de piston ;
  • la figure 3 représente une vue partielle en coupe d'une installation de remplissage conforme à l'invention dans une position avant transfert de l'élément pousseur ;
  • la figure 4 représente une vue partielle en coupe de l'élément pousseur d'une installation de remplissage conforme à l'invention avant montage de la tête de piston sur l'extrémité de l'élément pousseur,
  • la figure 5 représente une vue en coupe de la tête de piston et du godet avant l'étape de transfert à l'état désassemblé et
  • la figure 6 représente une vue en coupe de la tête de piston et du godet avant l'étape de transfert à l'état assemblé de manière démontable.
The invention will be better understood on reading the following description of exemplary embodiments, with reference to the appended drawings in which:
  • the figure 1 is a sectional view of a filling device according to the invention, the piston head having been shown in a start position of transfer of the filling liquid to the aerosol container;
  • the figure 2 represents a sectional view of a liquid filling device according to the invention in end transfer position of the piston head;
  • the figure 3 represents a partial sectional view of a filling installation according to the invention in a position before transfer of the pusher element;
  • the figure 4 represents a partial sectional view of the pusher element of a filling installation according to the invention before mounting the piston head on the end of the pusher element,
  • the figure 5 represents a sectional view of the piston head and the bucket before the transfer step in the disassembled state and
  • the figure 6 represents a sectional view of the piston head and the bucket before the transfer step in the dismountably assembled state.

Comme mentionné ci-dessus, le dispositif de remplissage, objet de l'invention, est plus particulièrement destiné à permettre le remplissage en liquide, en particulier en peinture, de récipient 1 aérosol du type de celui représenté partiellement à la figure 3. Ce récipient 1 aérosol se présente généralement sous forme d'un corps cylindrique muni à sa partie supérieure d'une valve 2. Cette valve 2 est surmontée d'un diffuseur amovible, non représenté, permettant de diffuser dans l'atmosphère le liquide contenu à l'intérieur de récipient aérosol. Cette diffusion est obtenue à l'aide d'un gaz propulseur contenu à l'intérieur du récipient aérosol. Le remplissage du récipient 1 aérosol en liquide à projeter s'effectue par la valve 2 du récipient 1 aérosol. Elle nécessite pour ce faire un dispositif de remplissage du type de celui conforme à l'invention. Ce dispositif de remplissage est généralement utilisé en coopération avec une installation de remplissage équipée d'un élément 12 pousseur bien qu'il puisse également être utilisé seul.As mentioned above, the filling device, which is the subject of the invention, is more particularly intended to allow the filling in liquid, in particular in paint, of an aerosol container of the type of that represented partially in FIG. figure 3 . This aerosol container 1 is generally in the form of a cylindrical body provided at its upper part with a valve 2. This valve 2 is surmounted by a removable diffuser, not shown, for diffusing into the atmosphere the liquid contained in inside of aerosol container. This diffusion is obtained using a propellant contained inside the aerosol container. The filling of the aerosol container 1 with the liquid to be sprayed is effected by the valve 2 of the aerosol container 1. It requires for this purpose a filling device of the type of that according to the invention. This filling device is generally used in cooperation with a filling installation equipped with a pusher element 12 although it can also be used alone.

Le dispositif de remplissage comprend classiquement un godet 3 destiné à recevoir le liquide de remplissage du récipient 1 aérosol. Ce godet 3 est muni en son fond d'un orifice 4 d'injection adaptable à la valve 2 du récipient 1 aérosol. Une tête 7 de piston agit par poussée sur le liquide de remplissage contenu dans le godet 3 pour le transférer du godet 3 au récipient 1. Ainsi, le godet 3 est positionné dans un premier temps avec son orifice 4 d'injection en regard de la valve 2 du récipient 1 aérosol, ledit orifice 4 avec sa saillie 4A étant introduit dans la valve 2. Le liquide de remplissage, contenu à l'intérieur du godet 3, est, sous l'action d'un déplacement axial de la tête 7 de piston à l'intérieur du godet 3, transféré du godet 3 vers le récipient 1. L'installation de remplissage permet, à l'aide d'un élément 12 pousseur, d'agir sur la tête 7 de piston et d'entraîner en déplacement cette dernière à l'intérieur du godet.The filling device conventionally comprises a bucket 3 intended to receive the filling liquid of the aerosol container 1. This bucket 3 is provided at its bottom with a 4 injection orifice adaptable to the valve 2 of the container 1 aerosol. A piston head 7 acts by pushing on the filling liquid contained in the bucket 3 to transfer it from the bucket 3 to the container 1. Thus, the bucket 3 is positioned at first with its injection orifice 4 opposite the valve 2 of the aerosol container 1, said orifice 4 with its projection 4A being introduced into the valve 2. The filling liquid, contained inside the cup 3, is, under the action of an axial displacement of the piston head 7 inside the bucket 3, transferred from the bucket 3 to the container 1. The filling installation allows, with the aid of a pusher element 12, to act on the piston head 7 and to drive the latter in displacement inside the bucket.

De manière caractéristique à l'invention, la tête 7 de piston se présente sous forme d'un racleur en contact continu avec la paroi interne du godet 3 lors de l'opération de transfert, cette tête 7 de piston étant conformée pour coopérer avec le godet 3 pour obtenir, après transfert, la retenue de la tête 7 de piston à l'intérieur du godet 3. Cette tête 7 de piston forme ainsi une paroi étanche emprisonnant le liquide résiduel non transféré à l'intérieur du godet 3.Characteristically to the invention, the piston head 7 is in the form of a scraper in continuous contact with the inner wall of the bucket 3 during the transfer operation, this piston head 7 being shaped to cooperate with the bucket 3 to obtain, after transfer, the retention of the piston head 7 inside the bucket 3. This piston head 7 thus forms a sealed wall trapping the residual liquid not transferred to the inside of the bucket 3.

La retenue de la tête 7 de piston à l'intérieur du godet 3 peut s'effectuer par un grand nombre de moyens. Ainsi, cette retenue peut s'opérer par serrage élastique de la paroi du godet 3 autour de la tête 7 de piston. La tête 7 de piston est dans ce cas introduite à force à l'intérieur du godet 3. Il est également possible de prévoir, à l'intérieur du godet 3, un bourrelet périphérique interne qui retient, lors d'un déplacement axial de l'élément pousseur en direction de l'extérieur du godet, la tête 7 de piston à l'intérieur dudit godet. Il est encore également possible de prévoir, au niveau de la tête 7 de piston, des pattes élastiquement déformables qui, au cours de l'insertion de la tête 7 de piston à l'intérieur du godet 3, se déforment pour s'appliquer à contact le long du godet et empêcher, du fait des forces de friction développées entre tête 7 de piston et godet 3, tout retrait de la tête 7 de piston du godet lors d'un retrait de l'élément 12 pousseur.The retention of the piston head 7 inside the bucket 3 can be effected by a large number of means. Thus, this retention can be effected by elastic clamping of the wall of the bucket 3 around the piston head 7. In this case, the piston head 7 is forced into the interior of the bucket 3. It is also possible to provide, inside the bucket 3, an internal peripheral bead which retains, during an axial displacement of the pusher element towards the outside of the bucket, the piston head 7 inside said bucket. It is also also possible to provide, at the level of the piston head 7, elastically deformable tabs which, during the insertion of the piston head 7 inside the cup 3, deform to apply to contact along the bucket and prevent, due to the friction forces developed between the piston head 7 and bucket 3, withdrawal of the piston head 7 of the bucket during withdrawal of the pusher element.

Le maintien de la tête 7 de piston à l'intérieur du godet 3 évite à l'opérateur d'avoir à manipuler cette tête 7 de piston en contact avec le liquide à transférer. Ainsi, l'élément 12 pousseur est, lorsqu'il est retiré du godet, exempt de toute souillure et peut être revêtu d'une nouvelle tête 7 de piston pour une nouvelle opération de transfert.Maintaining the piston head 7 inside the bucket 3 prevents the operator from having to manipulate the piston head 7 in contact with the liquid to be transferred. Thus, the pusher member 12 is, when removed from the bucket, free of any soil and may be coated with a new piston head 7 for a new transfer operation.

Dans les exemples représentés, la tête 7 de piston est retenue dans le godet 3 dans une position de fin de transfert voisine du fond du godet 3 et dans laquelle elle, obstrue l'orifice 4 d'injection du godet 3. Cette position est plus particulièrement visible à la figure 2. Cette position permet ainsi d'éviter toute souillure de l'installation de remplissage lorsque l'opérateur est amené à enlever le godet 3 du récipient aérosol. Pour permettre cette obturation de l'orifice 4 d'injection du godet 3 par la tête 7 de piston, la tête 7 de piston, qui affecte sous la forme d'un disque circulaire, présente, au centre de sa face externe en contact avec le liquide, un obturateur 10 saillant destiné à obturer à étanchéité l'orifice 4 d'injection du godet 3.In the examples shown, the piston head 7 is retained in the bucket 3 in a transfer end position close to the bottom of the bucket 3 and in which it obstructs the injection orifice 4 of the bucket 3. This position is more particularly visible at the figure 2 . This position thus prevents any contamination of the filling installation when the operator is led to remove the bucket 3 of the aerosol container. To allow this closure of the injection port 4 of the bucket 3 by the piston head 7, the piston head 7, which affects in the form of a circular disk, has, in the center of its outer face in contact with the liquid, a projecting shutter 10 intended to seal the injection port 4 of the bucket 3.

Dans le mode de réalisation représenté, l'orifice 4 d'injection du godet 3 se prolonge extérieurement d'une saillie 4A formant buse d'injection positionnable sur la valve 2 du récipient 1 aérosol et venant s'introduire dans cette dernière. Cette buse est entourée d'une couronne 6 protégeant l'extrémité de la buse d'injection. La couronne 6 permet ainsi d'éviter tout contact des doigts de l'opérateur avec l'extrémité de la saillie 4A. Elle permet également de protéger la saillie 4A de tout endommagement au cours des différentes manipulations du godet 3, y compris avant l'opération de transfert. On comprend ainsi que l'obturateur 10, en position de fin de transfert, pénètre à l'intérieur de la buse et obture cette dernière.In the embodiment shown, the injection orifice 4 of the bucket 3 is externally extended by a projection 4A forming an injection nozzle positioned on the valve 2 of the aerosol container 1 and coming into the latter. This nozzle is surrounded by a ring 6 protecting the end of the injection nozzle. The ring 6 thus makes it possible to avoid contact of the operator's fingers with the end of the projection 4A. It also protects the protrusion 4A from damage during the various manipulations of the bucket 3, including before the transfer operation. It is thus understood that the shutter 10, in end transfer position, penetrates inside the nozzle and closes the latter.

Au cours de l'opération de transfert, qui permet d'amener la tête 7 de piston dans une position dans laquelle elle s'étend au voisinage du fond du godet 3, il est nécessaire de faire intervenir un élément 12 pousseur d'une installation de remplissage. Cet élément 12 pousseur se présente généralement sous forme d'un vérin pneumatique ou hydraulique. La tige de ce vérin est alors coiffée de la tête 7 de piston. Cette tête 7 de piston se présente sous la forme d'un disque circulaire avec un segment 8 racleur d'étanchéité radiale. Ce disque est prolongé d'une jupe 9 circulaire destinée à venir coiffer l'élément 12 pousseur généralement de type vérin d'une installation de remplissage. Ainsi, le montage et le démontage de la tête de piston de l'élément 12 pousseur s'opèrent aisément du fait que la tête 7 de piston est montée à simple emboîtement à l'extrémité de l'élément 12 pousseur.During the transfer operation, which makes it possible to bring the piston head 7 to a position in which it extends in the vicinity of the bottom of the bucket 3, it is necessary to involve a pushing element 12 of an installation filling. This pusher element 12 is generally in the form of a pneumatic or hydraulic cylinder. The rod of this cylinder is then capped with the piston head 7. This piston head 7 is in the form of a circular disk with a radial sealing scraper segment. This disc is extended by a circular skirt 9 intended to cover the pusher element 12 generally type jack of a filling installation. Thus, the assembly and disassembly of the piston head of the pusher element is easily effected by virtue of the fact that the piston head 7 is mounted in a simple interlocking manner. the end of the pusher element 12.

De préférence, le godet 3 est réalisé en un matériau transparent ou translucide pour permettre notamment la visualisation de la nature du liquide transféré. Ainsi, le liquide résiduel emprisonné entre la tête de piston et le fond du godet 3 est visible par l'opérateur. Lorsqu'il s'agit de peinture, l'opérateur peut ainsi, d'un seul coup d'oeil, identifier la couleur de la peinture qui a été transférée. Cette identification est particulièrement importante lorsque le godet 3 est en outre destiné à constituer le capuchon du récipient 1 aérosol. En effet, comme la matière transférée est emprisonnée à l'intérieur du godet, ce godet peut, une fois l'opération de transfert effectuée, être utilisé comme capuchon du récipient 1 aérosol. A cet effet, le godet 3 possède, au voisinage de son ouverture, une contre dépouille 5 formant un organe d'immobilisation par coopération avec un rebord du récipient 1 aérosol pour constituer le capuchon du récipient 1 à aérosol. A nouveau, la possibilité de visualiser, sur le capuchon, la couleur du liquide transféré dans ledit récipient, permet à un utilisateur quelconque d'avoir des informations sur le contenu du récipient aérosol par seule visualisation du capuchon dudit récipient.Preferably, the cup 3 is made of a transparent or translucent material to allow in particular the visualization of the nature of the transferred liquid. Thus, the residual liquid trapped between the piston head and the bottom of the bucket 3 is visible by the operator. When it comes to painting, the operator can, at a glance, identify the color of the paint that has been transferred. This identification is particularly important when the bucket 3 is further intended to constitute the cap of the aerosol container 1. Indeed, since the transferred material is trapped inside the bucket, this bucket can, once the transfer operation is performed, be used as cap of the aerosol container 1. For this purpose, the bucket 3 has, in the vicinity of its opening, an undercut 5 forming an immobilizing member by cooperation with a rim of the container 1 aerosol to form the cap of the container 1 aerosol. Again, the ability to view, on the cap, the color of the liquid transferred into said container, allows any user to have information on the contents of the aerosol container by only viewing the cap of said container.

Dans cette configuration, le godet 3 et la tête 7 de piston sont donc réalisés sous forme de consommables à usage unique. Ce godet 3 et cette tête 7 de piston peuvent être, avant l'opération de transfert, stockés sur le récipient aérosol, la tête 7 de piston étant logée à l'intérieur du godet généralement avec le diffuseur du récipient aérosol. La tête 7 de piston est dans ce cas logée à l'intérieur du godet 3 en prenant soin de l'immobiliser dans une position dans laquelle la surface de poussée de la tête de piston est non parallèle à la surface formant fond du godet au risque sinon de maintenir emprisonnée la tête 7 de piston à l'intérieur du godet 3 et de ne plus pouvoir utiliser la tête 7 de piston pour l'opération de transfert.In this configuration, the bucket 3 and the piston head 7 are made in the form of consumables for single use. This bucket 3 and this piston head 7 may be, before the transfer operation, stored on the aerosol container, the piston head 7 being housed inside the bucket generally with the diffuser of the aerosol container. The piston head 7 is in this case housed inside the bucket 3 taking care to immobilize it in a position in which the thrust surface of the piston head is not parallel to the bottom forming surface of the bucket at risk. if not keep the piston head 7 trapped inside the bucket 3 and can no longer use the piston head 7 for the transfer operation.

Dans un autre mode de réalisation représenté à la figure 6, la tête 7 de piston est disposée à l'extérieur du godet 3 formant capuchon et est couplée au capuchon de manière démontable. Ce couplage permet d'éviter toute perte de la tête 7 de piston pendant les phases de transport et de stockage du capuchon avant l'étape de remplissage. Ce couplage rend également non opérationnelle la fonction de transfert du capuchon, la tête 7 de piston venant obturer l'orifice 4 d'injection. En outre, la disposition de la tête 7 de piston venant s'appliquer contre la face externe formant fond du capuchon empêche tout positionnement du capuchon dans le porte-godet d'une installation de remplissage. De ce fait, l'opérateur est obligé de désolidariser la tête 7 de piston du capuchon avant l'étape de transfert. Une fois l'opération de désolidarisation opérée, l'opérateur devrait ne pas omettre de positionner la tête 7 de piston sur l'élément pousseur. Dans les exemples représentés, la tête 7 de piston est couplée au capuchon par une liaison à emboîtement. A cet effet, la tête 7 de piston est munie sur sa face opposée à celle munie d'un obturateur 10 d'un plot 17 évidé, ce plot 17 venant se loger à l'intérieur de la couronne 6 entourant l'orifice 4 d'injection du capuchon, dans l'espace laissé libre entre couronne et paroi de l'orifice 4. La désolidarisation tête 7 de piston / godet-capuchon s'opère par une simple traction exercée sur la tête 7 de piston pour obtenir deux pièces conformément à la figure 5. La tête 7 de piston est alors positionnée pour être introduite dans le capuchon jusqu'à une position dans laquelle elle sera retenue définitivement à l'intérieur de ce dernier.In another embodiment shown in figure 6 , the piston head 7 is disposed outside the cup 3 forming a cap and is coupled to the cap removably. This coupling avoids any loss of the piston head 7 during the transport and storage phases of the cap before the filling step. This coupling also renders the transfer function of the cap non-operational, the piston head 7 closing off the injection orifice 4. In addition, the arrangement of the piston head 7 coming to bear against the outer face forming the bottom of the cap prevents any positioning of the cap in the bucket holder of a filling installation. As a result, the operator is obliged to separate the piston head 7 from the cap before the transfer step. Once the uncoupling operation has been carried out, the operator should not omit positioning the piston head 7 on the pusher element. In the examples shown, the piston head 7 is coupled to the cap by an interlocking connection. For this purpose, the piston head 7 is provided on its face opposite to that provided with a shutter 10 of a hollow stud 17, this stud 17 being housed inside the ring 6 surrounding the orifice 4 of injection of the cap, in the space left free between ring and wall of the orifice 4. The disconnection 7 head piston / bucket-cap is effected by a simple traction exerted on the piston head 7 to obtain two pieces in accordance to the figure 5 . The piston head 7 is then positioned to be introduced into the cap to a position in which it will be retained permanently inside the latter.

L'opération de transfert peut s'effectuer à l'aide d'une installation de remplissage du type par exemple de celle représentée partiellement à la figure 3. Cette installation de remplissage comprend un bâti 11 délimitant une enceinte de préférence fermée à l'aide d'une porte et ce, pour des raisons de sécurité. A l'intérieur de cette enceinte, sont prévus des moyens 14 de maintien d'un godet 3 de liquide de remplissage à l'intérieur de l'enceinte en un emplacement situé au-dessus de l'emplacement de récipient 1 aérosol dans une position de contact avec la valve 2 dudit récipient 1. Ces moyens 14 de maintien peuvent affecter un grand nombre de formes. Ils ont été représentés partiellement à la figure 3 sous forme d'un cylindre évidé servant à la réception du godet 3 et à son maintien dans une position prédéterminée, ce cylindre 14 étant lui-même maintenu, par des moyens de liaison appropriés, solidaire du bâti 11 de l'installation.The transfer operation can be carried out using a filling installation of the type for example of that partially shown in FIG. figure 3 . This filling installation comprises a frame 11 delimiting an enclosure preferably closed by means of a door and this, for security reasons. Inside this enclosure, there are provided means 14 for maintaining a cup 3 of filling liquid inside the enclosure at a location above the aerosol container location 1 in a position contacting the valve 2 of said container 1. These holding means 14 can affect a large number of forms. They were partially represented at the figure 3 in the form of a hollow cylinder for receiving the bucket 3 and maintaining it in a predetermined position, the cylinder 14 being itself maintained by appropriate connecting means secured to the frame 11 of the installation.

Cette installation comporte un élément 12 pousseur déplaçable axialement dans ledit godet 3 pour provoquer, par poussée sur le liquide, le transfert de ce liquide, à travers un orifice 4 du godet 3, dans le récipient 1 aérosol. Cet élément 12 pousseur est généralement constitué par un vérin à actionnement pneumatique ou hydraulique. L'élément 12 pousseur est équipé d'une tête 7 de piston amovible, qui est à l'intérieur du godet 2, désolidarisable de l'élément 2 pousseur avant retrait de l'élément 12 pousseur dudit godet 3. Ainsi, lorsque l'élément 12 pousseur est extrait du godet 3 à l'issue de l'opération de transfert, il est exempt de salissure et peut être ré-équipé d'une nouvelle tête 7 de piston qui constitue ainsi une pièce à usage unique jetable. On comprend aisément, au vu de la figure 3, que le déplacement axial de la tige 12 de l'élément pousseur dans le sens d'une extension de la tige du vérin entraîne la tête 7 de piston dans un déplacement à coulissement à l'intérieur du godet en direction du fond du godet. A l'inverse, le déplacement de l'élément 12 pousseur dans le sens d'une rétraction de la tige de l'élément pousseur entraîne une sortie de la tige de l'élément 12 pousseur dudit godet 3, la tête 7 de piston étant maintenue retenue à l'intérieur du godet 3 par des moyens de retenue appropriés du type de ceux décrits ci-dessus pour le dispositif de remplissage.This installation comprises a pusher element 12 axially displaceable in said bucket 3 to cause, by pushing on the liquid, the transfer of this liquid, through an orifice 4 of the bucket 3, in the aerosol container 1. This pusher element 12 is generally constituted by a cylinder actuated pneumatic or hydraulic. The pusher element 12 is equipped with a removable piston head 7, which is inside the bucket 2, detachable from the pusher element 2 before removal of the pusher element 12 from said bucket 3. Thus, when the 12 pusher element is extracted from the bucket 3 at the end of the transfer operation, it is free of dirt and can be re-equipped with a new piston head 7 which thus constitutes a disposable disposable piece. It is easy to understand, given the figure 3 , that the axial displacement of the rod 12 of the pusher element in the direction of an extension of the rod of the cylinder causes the piston head 7 in a displacement sliding inside the bucket towards the bottom of the bucket. Conversely, the displacement of the pusher element in the direction of a retraction of the rod of the pusher element causes an output of the rod of the pusher element 12 of said bucket 3, the piston head 7 being maintained retained inside the bucket 3 by appropriate retaining means of the type described above for the filling device.

Comme la tête 7 de piston est montée à simple emboîtement à l'extrémité de l'élément 12 pousseur, la retenue de la tête 7 de piston à l'intérieur du godet 3 s'effectue aisément. De la même manière, ce montage à simple emboîtement favorise l'installation d'une nouvelle tête 7 de piston à l'extrémité de l'élément 12 pousseur. Ainsi, dans une telle installation de remplissage, la tête 7 de piston coopère avec le godet 3 pour former un dispositif de remplissage à usage unique. En effet, une fois l'opération de transfert effectuée, le godet et la tête 7 de piston sont éliminés de l'installation de remplissage et remplacés par un nouveau godet 3 et une nouvelle tête 7 de piston.As the piston head 7 is mounted to a simple interlocking at the end of the pusher element 12, the retention of the piston head 7 inside the bucket 3 is easily effected. In the same way, this single-fitting assembly promotes the installation of a new piston head 7 at the end of the pusher element 12. Thus, in such a filling installation, the piston head 7 cooperates with the bucket 3 to form a disposable filling device. Indeed, once the transfer operation performed, the bucket and the piston head 7 are removed from the filling installation and replaced by a new bucket 3 and a new piston head 7.

La tête 7 de piston coopère avec le godet 3 pour former, postérieurement à l'étape de transfert, un capuchon dit capuchon transfert d'un récipient 1 aérosol. Cette tête 7 de piston coopère également avec le godet 3 pour former, préalablement ou postérieurement à l'étape de transfert, un capuchon dit capuchon transfert d'un récipient 1 aérosol à remplir.The piston head 7 cooperates with the bucket 3 to form, after the transfer step, a cap said cap transfer of a container 1 aerosol. This piston head 7 also cooperates with the bucket 3 to form, before or after the transfer step, a cap said cap transfer of a container 1 aerosol to fill.

Dans un mode de réalisation particulier de l'installation, l'élément 12 pousseur de l'installation de remplissage est équipé de moyens de détection de présence de la tête 7 de piston à l'état fixé sur l'élément 12 pousseur. Ces moyens de détection permettent ainsi d'éviter la réalisation de l'opération de transfert en l'absence de tête 7 de piston sur l'élément 12 pousseur, ce qui amènerait à la salissure de l'élément 12 pousseur.In a particular embodiment of the installation, the pusher element 12 of the filling installation is equipped with presence detection means of the piston head 7 in the state fixed on the pusher element 12. These detection means thus make it possible to avoid carrying out the transfer operation in the absence of a piston head 7 on the pusher element 12, which would lead to the dirt of the pusher element 12.

Un exemple de réalisation de tels moyens de détection est représenté à la figure 4. Dans cette figure, l'élément 12 pousseur est réalisé sous forme d'un vérin pneumatique qui comporte une première chambre 15 alimentée en fluide et permettant la sortie de la tige du vérin. Pour autoriser la réalisation de l'étape de transfert, cet élément pousseur est équipé d'une seconde chambre 16 également alimentée en fluide pour permettre à l'inverse la rétraction ou rentrée de la fige du vérin. Ce vérin est donc un vérin de type double effet. Dans le corps de la tige de piston de ce vérin, il est prévu un passage de fluide depuis la chambre 15 provoquant l'extension ou la sortie de la tige du vérin jusqu'à l'extrémité de la tige. Le débouché de ce passage de fluide ne peut être fermé que lors du positionnement de la tête 7 de piston sur la tige de vérin. Cette fermeture amène alors la montée en pression de la chambre 15 provoquant un déplacement dans le sens d'une extension de la tige de vérin et par suite, le déplacement de l'ensemble formé de l'élément 12 pousseur et de la tête 7 de piston. En cas d'oubli de la tête 7 de piston, l'orifice ménagé dans la tige de piston débouche à l'air libre, empêchant toute montée en pression de la chambre 15 assurant le déplacement de la tige du vérin dans le sens d'une extension de ladite tige. Il est alors impossible de réaliser l'opération de transfert.An exemplary embodiment of such detection means is shown in FIG. figure 4 . In this figure, the pusher element 12 is in the form of a pneumatic cylinder which comprises a first chamber 15 supplied with fluid and allowing the output of the rod of the cylinder. To authorize the completion of the transfer step, this pusher element is equipped with a second chamber 16 also supplied with fluid to allow the opposite retraction or retraction of the rod of the cylinder. This cylinder is a cylinder type double effect. In the body of the piston rod of this jack, there is provided a fluid passage from the chamber 15 causing the extension or the output of the rod of the cylinder to the end of the rod. The outlet of this fluid passage can be closed only when positioning the piston head 7 on the cylinder rod. This closure then brings the increase in pressure of the chamber 15 causing a displacement in the direction of an extension of the cylinder rod and consequently the displacement of the assembly formed of the pusher element 12 and the head 7 of piston. In the event of forgetting of the piston head 7, the orifice formed in the piston rod opens in the open air, preventing any increase in pressure of the chamber 15 ensuring the displacement of the cylinder rod in the direction of an extension of said rod. It is then impossible to perform the transfer operation.

Bien évidemment, d'autres modes de réalisation des moyens de détection de la présence de la tête 7 de piston peuvent également être envisagés de manière équivalente.Of course, other embodiments of the means for detecting the presence of the piston head 7 can also be envisaged in an equivalent manner.

Claims (19)

  1. Device for filling an aerosol container (1) with a liquid, such as paint, using in particular a filling arrangement equipped with a pusher element (12), this filling device comprising a cup (3) that is designed to accommodate the liquid for filling the aerosol container (1), this cup (3) being provided on its bottom with an injection opening (4) that can be adapted to the valve (2) of the aerosol container (1), a piston head (7) acting by pushing on the filling liquid contained in the cup (3) for transferring it from the cup (3) to the container (1), characterised in that the piston head (7) comes in the form of a scraper in continuous contact with the inside wall of the cup (3) during the transfer operation, this piston head (7) being shaped to work with the cup (3), after transfer, to keep the piston head (7) within the cup (3) to form an airtight wall that retains the residual liquid that has not been transferred within the cup (3).
  2. Filling device according to Claim 1, characterised in that the piston head (7) is kept within the cup (3) in a transfer completion position adjacent to the bottom of the cup (3) and in which it blocks the injection opening (4) of the cup (3).
  3. Filling device according to Claim 1, characterised in that the injection opening (4) of the cup (3) is extended externally by a projection (4A) forming an injection nozzle that can be positioned on the valve (2) of the aerosol container (1), this nozzle being surrounded by a ring (6) that protects the end of the injection nozzle.
  4. Filling device according to Claim 1, characterised in that the piston head (7) comes in the form of a circular disk with a scraper segment (8) for radial air tightness, this disk being extended by a circular skirt (9) designed to encompass a pusher element (12), generally of the cylinder type, of a filling arrangement.
  5. Filling device according to Claim 1, characterised in that the piston head (7), at the centre of its outer surface in contact with the liquid, has a projecting seal (10) that is designed to block the injection opening (4) of the cup (3) for air tightness.
  6. Filling device according to Claim 1, characterised in that the cup (3), in the vicinity of its opening, has an undercut (5) that forms an immobilising element by working with an edge of the aerosol container (1) to constitute the cap of the aerosol container (1).
  7. Filling device according to Claim 1, characterised in that the cup (3) is made of a transparent or translucent material to allow in particular the nature of the transferred liquid to be viewed.
  8. Filling device according to Claim 1, characterised in that the cup (3) and the piston head (7) are made in the form of single-use disposable articles.
  9. Cap for an aerosol container (1) that can be filled with a liquid, such as paint, through its valve (2) by said valve (2) working with a filling device comprising at least one cup (3) designed to accommodate the liquid for filling the aerosol container (1), said cap being designed to encompass the valve (2) of the aerosol container (1), characterised in that the cap is shaped like a cup that is provided on its bottom with an injection opening (4) that can be adapted to the valve (2) of the aerosol container (1) to constitute, during the phase of filling the aerosol container (1), the cup for accommodation and transfer of the filling liquid of the aerosol container of the filling device, this filling device preferably corresponding to any one of claims 1 to 8.
  10. Cap according to Claim 9, characterised in that prior to its filling the aerosol container (1) with filling liquid, it is pre-equipped with a piston head (7) coupled to the cap in a detachable manner, wherein this piston head (7) is able, in the state uncoupled from the cap, to act by pushing on a filling liquid introduced into the cap for the transfer of the liquid to the aerosol container (1).
  11. Cap according to Claim 10, characterised in that the piston head (7) is coupled to the cap by a link with an interlocking arrangement.
  12. Use of the cup (3) of the filling device according to any one of claims 1 to 8 by way of a cap of an aerosol container.
  13. Piston head (7) of the type designed to act by pushing on the filling liquid of an aerosol container contained in a cup (3) that is provided on its bottom with an injection opening (4) for transferring said liquid from the cup (3) to the valve (2) of the aerosol container (1), characterised in that it comes in the form of a circular part that is equipped both with a scraper segment (8) for radial air tightness and, at the centre of its outer face in contact with the liquid, with a projecting seal (10) that is designed to block the injection opening (4) of the cup (3) for air tightness, this head being capable of working with the cup to form a single-use filling device.
  14. Aerosol container (1) that can be filled with a liquid, such as paint, through its valve (2) by said valve (2) working with a filling device comprising at least one cup (3) designed to accommodate the liquid for filling the aerosol container (1), this cup (3) being provided on its bottom with an injection opening (4) that can be adapted to the valve (2) of the aerosol container (1), characterised in that the aerosol container (1) is equipped with a transfer cap formed at least by the cup (3) of the filling device, this filling device preferably corresponding to any one of claims 1 to 8.
  15. Arrangement for filling an aerosol container (1) with a liquid, such as paint, said aerosol container being of the type comprising a frame (11) that marks the boundary of a preferably closed chamber, means (14) for keeping a filling liquid cup (3) within the chamber in a position located above the position of the aerosol container (1), in a position of contact with the valve (2) of said container (1), a pusher element (12) that can move axially in said cup (3) to cause, by pushing on the liquid, the transfer of this liquid through an opening (4) of the cup (3) into the aerosol container (1), characterised in that the pusher element (12) is equipped with a detachable piston head (7) that can be separated from the pusher element (12) within the cup (3), before withdrawal of the pusher element (12) from said cup (3), in such a way as to keep the pusher element (12) free of soiling as it is being moved.
  16. Filling arrangement according to Claim 15, characterised in that the pusher element (12) is equipped with means for detecting the presence of the piston head (7) in the fixed state on the pusher element (12).
  17. Filling arrangement according to Claim 15, characterised in that the piston head (7) is mounted by simple interlocking on the end of the pusher element (12).
  18. Filling arrangement according to Claim 15, characterised in that the piston head (7) works with the cup (3) to form a single-use filling device.
  19. Filling arrangement according to Claim 15, characterised in that the piston head (7) works with the cup (3), prior to or following the transfer stage, to form a cap called a transfer cap of an aerosol container (1) to be filled.
EP06778834A 2005-09-21 2006-07-07 Device for filling an aerosol container with liquid, filling installation adapted to receive such a device and aerosol cap and container equipped with such a filling device Active EP1943146B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06778834T PL1943146T3 (en) 2005-09-21 2006-07-07 Device for filling an aerosol container with liquid, filling installation adapted to receive such a device and aerosol cap and container equipped with such a filling device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0509611A FR2890940B1 (en) 2005-09-21 2005-09-21 AEROSOL CONTAINER LIQUID FILLING DEVICE, FILLING SYSTEM SUITABLE FOR RECEIVING SUCH DEVICE AND AEROSOL CONTAINER EQUIPPED WITH SUCH A FILLING DEVICE
PCT/FR2006/001662 WO2007034043A1 (en) 2005-09-21 2006-07-07 Device for filling an aerosol container with liquid, filling installation adapted to receive such a device and aerosol cap and container equipped with such a filling device

Publications (2)

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EP1943146A1 EP1943146A1 (en) 2008-07-16
EP1943146B1 true EP1943146B1 (en) 2009-12-02

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EP06778834A Active EP1943146B1 (en) 2005-09-21 2006-07-07 Device for filling an aerosol container with liquid, filling installation adapted to receive such a device and aerosol cap and container equipped with such a filling device

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US (2) US7909070B2 (en)
EP (1) EP1943146B1 (en)
JP (1) JP4906863B2 (en)
CN (1) CN101287651B (en)
AT (1) ATE450448T1 (en)
AU (1) AU2006293874B2 (en)
BR (1) BRPI0616327B1 (en)
DE (2) DE602006010899D1 (en)
ES (1) ES2338255T3 (en)
FR (1) FR2890940B1 (en)
PL (1) PL1943146T3 (en)
RU (1) RU2381155C2 (en)
WO (1) WO2007034043A1 (en)
ZA (1) ZA200802599B (en)

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JP2009508768A (en) 2009-03-05
AU2006293874A1 (en) 2007-03-29
PL1943146T3 (en) 2010-07-30
US7909070B2 (en) 2011-03-22
ES2338255T3 (en) 2010-05-05
CN101287651B (en) 2011-03-30
CN101287651A (en) 2008-10-15
JP4906863B2 (en) 2012-03-28
DE202006020389U1 (en) 2008-06-05
RU2008115462A (en) 2009-10-27
BRPI0616327A2 (en) 2011-06-14
ATE450448T1 (en) 2009-12-15
US20070062604A1 (en) 2007-03-22
WO2007034043A1 (en) 2007-03-29
RU2381155C2 (en) 2010-02-10
US8171962B2 (en) 2012-05-08
AU2006293874B2 (en) 2011-10-06
BRPI0616327B1 (en) 2018-03-06
ZA200802599B (en) 2010-02-24
US20070062599A1 (en) 2007-03-22
EP1943146A1 (en) 2008-07-16
FR2890940B1 (en) 2007-10-26
DE602006010899D1 (en) 2010-01-14
FR2890940A1 (en) 2007-03-23

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