EP1155744A1 - Spring-type push-button - Google Patents
Spring-type push-button Download PDFInfo
- Publication number
- EP1155744A1 EP1155744A1 EP01400718A EP01400718A EP1155744A1 EP 1155744 A1 EP1155744 A1 EP 1155744A1 EP 01400718 A EP01400718 A EP 01400718A EP 01400718 A EP01400718 A EP 01400718A EP 1155744 A1 EP1155744 A1 EP 1155744A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- push button
- head
- button according
- elastically deformable
- deformable part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
- B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1073—Springs
- B05B11/1074—Springs located outside pump chambers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1073—Springs
- B05B11/1077—Springs characterised by a particular shape or material
Definitions
- the present invention relates to the field of packaging devices and distribution of a fluid, liquid or pasty product, in particular a product cosmetic.
- the invention relates more particularly to devices comprising a pump operated manually to dispense a dose of product.
- Such pumps conventionally include a push button defining a bearing surface for the user, mounted at the upper end of a hollow pump control rod and to be inserted at the time of use.
- I1 is known to use a metal spring to bring the push button in its initial position after dispensing a dose of product.
- US Patent 5,363,993 has proposed a pump in which the push button is secured to a bellows forming a spring, allowing it to be recalled in its initial position after the distribution of a dose of product.
- Such a bellows is relatively bulky and unsightly and requires planning a dress skirt extending around him.
- the invention aims in particular to remedy all or part of the drawbacks cited above.
- this distribution member comprising a movable element between two positions, the push button having a head, defining a surface support for the user and a dispensing orifice, a base and an elastic part deformable connecting the head to the base, the head being able to be made integral with the element, this push button characterized by the fact that the elastically deformable part is arranged to deform in a winding direction on itself when the head is depressed and is capable of recalling by elastic return the movable element in a position initial.
- the elastically deformable part is deformed in the present invention other than a bellows or a coil spring, since a bellows or a helical spring deforms not in the direction of a winding on itself but in the direction of axial compaction.
- the push button according to the invention avoids the use of a spring metal to return the pump to its initial configuration after dispensing of a dose of product, without exhibiting the aforementioned drawbacks of US Pat. No. 5,363,993.
- the push button according to the invention can also be easily manufactured by plastic molding and can be done with an aesthetic shape, allowing to get rid of a dressing skirt surrounding the elastically deformable part.
- the elastically deformable part has a general shape of a dome.
- the head is located in the center of the elastically deformable part.
- Such a configuration makes it possible to favor a displacement in translation of head when the user presses it.
- the elastically deformable part is arranged to form a fold when the head is pressed, and at least from a certain stroke the head, the connection area of the latter to the part elastically deformable passes below the level of the top of the fold.
- the elastically deformable part has a substantially constant thickness.
- the elastically deformable part is devoid of folds at rest.
- the base of the push button has a tubular shape, preferably symmetrical in revolution.
- the head has a tip allowing its attachment to a pump control rod.
- the nozzle can extend below the level of the connection area of the elastically deformable part on the head.
- the head includes a housing allowing the attachment of a nozzle.
- the axis of the nozzle may be perpendicular to the direction of insertion of the head to dispense a dose of product, or alternatively have another orientation.
- the elastically deformable part is connects on the head substantially perpendicular to the driving direction of the head to dispense a dose of product.
- Such a configuration makes it possible to bring the elastically deformable part to wind on itself at the start of the head drive.
- the elastically deformable part is connects to the head through an area of reduced thickness.
- Such an area of reduced thickness facilitates the translational movement of the head when pressed.
- the base is arranged to be fitted onto the body of pump and preferably includes in this case, at the area used for fixing on the pump body, an annular bead.
- Such a bead makes it possible to obtain a greater clamping force for hold the push button in place on the pump body.
- the thickness of the elastically deformable part can be between 1 and 3 mm for example, preferably being close to 2 mm.
- the head of the push button has a enlarged upper end.
- the push button is made in one piece by molding.
- a plastic material can be used to mold the push button.
- shape memory material preferably chosen from mixtures based on following materials: ethylene vinyl acetate, thermoplastic elastomers and low density polyethylene.
- FIG. 1 Partly and very schematically shown in Figure 1 a container 1 known in itself, provided with a pump 2 provided with a push button 3 according to the invention.
- the container 1 is filled with a liquid or pasty product P, in contact with the body of the container itself in the example described.
- the product P could, in a variant not illustrated, be trapped in a pocket that can retract during dispensing.
- Pump 2 can be with or without return air.
- It comprises a pump body 17 and a hollow rod 6 movable in translation along the X axis relative to the pump body 17, to be moved down to distribute a dose of product.
- the pump body 17 is fixed in a mounting skirt 4 made at the part top of container 1 and houses, conventionally, a suction valve and a discharge valve, not visible in the drawing, and also defines with a piston not visible in the drawing, integral with the hollow rod 6, a pumping chamber of variable volume.
- the aforementioned discharge valve opens to allow the distribution of the produced by the inner channel 8 of the hollow rod 6 when the volume of the pumping decreases, that is to say when the hollow rod 6 descends, the suction valve being then closed.
- the pump 2 is connected to a tube plunger 9 allowing the container to be used head up.
- the push button 3 has a base 10 fixed on the upper part 11 of the pump body 17, a head 14 and an elastically deformable part 15 connecting the head 14 at base 10.
- the head 14 comprises in the lower part a tubular endpiece 18, of axis X, in which is inserted the upper end of the hollow rod 6, and has partly upper a housing 20 of axis Y perpendicular to the axis X, for mounting a nozzle 21, the latter possibly being with a single orifice or with vortex channels, depending on the nature of the product distributed and its destination.
- the interior of the housing 20 communicates with the interior of the end piece 18 by a inner channel 19 allowing the product leaving the hollow rod 6 to be distributed.
- the head 14 has, as can be seen in FIG. 2, an end upper 25 enlarged, defining a substantially flat bearing surface 26 and perpendicular to the X axis.
- the elastically deformable part 15 is not in contact with the product, has a general dome shape, the head 14 of the push button 3 connecting to the elastically deformable part 15 at the top of this dome.
- the elastically deformable part 15 is connected to the head 14 by a zone thinned annular 30, but moreover has a substantially constant thickness between this thinned area 30 and the base 10.
- the elastically deformable part 15 When the elastically deformable part 15 is observed in axial section as in FIG. 3, it has a shape that is roughly quarter-circle on the part and on the other side of the head 14.
- the elastically deformable part 15 is connected to the head 14 in a direction substantially perpendicular to the axis X and is connects to base 10 parallel to the X axis.
- the base 10 has a shape symmetrical of revolution, with an annular bead 32 on its radially surface interior, this annular bead 32 being intended to increase the clamping force on the upper part 11 of the pump body 17.
- the lower end of the base 10 is bevelled on its surface radially interior to facilitate the positioning of the push button 3 on the pump body 17.
- the external surface of the part elastically deformable 15 and base 10 is continuous and devoid of relief or detachment, which is particularly aesthetic.
- push button 3 prevents dirt from entering the game annular 35 around the hollow rod 6.
- the base 10, the elastic part deformable 15 and the head 14 are made in one piece by injection molding, in a shape memory material.
- the push button can be produced by means of a mold relatively simple.
- the base 10 is forcibly mounted on the upper end 11 of the pump body 17, the base 10 being able to expand elastically radially outward during this mounting.
- the base 10 is immobilized by friction on the end upper part of the pump body 17 thanks to the tightening resulting from the use of a material elastomer.
- pump 2 The operation of pump 2 is as follows, it being assumed primed.
- the user pushes the head 14 according to the X axis by pressing with a finger on the bearing surface 26.
- the elastically deformable part 15 becomes deforms in the direction of a winding on itself, as we can see on the figure 5.
- the elastically deformable part forms, at the end of a certain driving-in stroke of the head 14, a fold whose top 40 is located above the level of the connection on the head 14 of the elastically deformable part 15.
- the radial dimension of the elastic part deformable 15 increases when the head 14 is pressed.
- the presence of the thinned zone 30 facilitates the insertion of the head 14.
- the push button using different materials, for example a rigid or semi-rigid plastic for the base and the head and a elastomeric material for the elastically deformable part, thanks to a bi-injection technique of thermoplastic material for example.
- the invention makes it possible to produce a springless pump at a price of relatively low returns, without risk of corrosion compared to a spring pump metallic, can be easily molded and more satisfying than a pump comprising a bellows forming a spring.
Landscapes
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
- Reciprocating Pumps (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Details Of Reciprocating Pumps (AREA)
- Vending Machines For Individual Products (AREA)
- Switches With Compound Operations (AREA)
- Elevator Control (AREA)
- Cookers (AREA)
- Toys (AREA)
- Coating Apparatus (AREA)
Abstract
Description
La présente invention concerne le domaine des dispositifs de conditionnement et de distribution d'un produit fluide, liquide ou pâteux, notamment un produit cosmétique.The present invention relates to the field of packaging devices and distribution of a fluid, liquid or pasty product, in particular a product cosmetic.
L'invention concerne plus particulièrement les dispositifs comportant une pompe actionnée manuellement pour distribuer une dose de produit.The invention relates more particularly to devices comprising a pump operated manually to dispense a dose of product.
De telles pompes comportent, de manière conventionnelle, un bouton-poussoir définissant une surface d'appui pour l'utilisateur, monté à l'extrémité supérieure d'une tige creuse de commande de la pompe et à enfoncer au moment de l'utilisation.Such pumps conventionally include a push button defining a bearing surface for the user, mounted at the upper end of a hollow pump control rod and to be inserted at the time of use.
I1 est connu d'utiliser un ressort métallique pour ramener le bouton-poussoir dans sa position initiale après la distribution d'une dose de produit.I1 is known to use a metal spring to bring the push button in its initial position after dispensing a dose of product.
Toutefois, l'utilisation d'un tel ressort métallique augmente le prix de revient de la pompe et peut poser un problème de corrosion et de compatibilité avec le produit distribué.However, the use of such a metal spring increases the cost price of the pump and can cause corrosion and product compatibility problems distributed.
On a proposé, dans le brevet US 5 363 993, une pompe dans laquelle le bouton-poussoir est solidaire d'un soufflet formant ressort, permettant de le rappeler dans sa position initiale après la distribution d'une dose de produit.US Patent 5,363,993 has proposed a pump in which the push button is secured to a bellows forming a spring, allowing it to be recalled in its initial position after the distribution of a dose of product.
Un tel soufflet est relativement encombrant et inesthétique et oblige à prévoir une jupe d'habillage s'étendant autour de lui.Such a bellows is relatively bulky and unsightly and requires planning a dress skirt extending around him.
De plus, un tel soufflet est difficile à mouler.In addition, such a bellows is difficult to mold.
L'invention vise notamment à remédier à tout ou partie des inconvénients précités.The invention aims in particular to remedy all or part of the drawbacks cited above.
Elle y parvient grâce à un nouveau bouton-poussoir destiné à l'actionnement d'un organe de distribution, cet organe de distribution comportant un élément mobile entre deux positions, le bouton-poussoir comportant une tête, définissant une surface d'appui pour l'utilisateur et un orifice de distribution, une base et une partie élastiquement déformable reliant la tête à la base, la tête étant apte à être rendue solidaire de l'élément, ce bouton-poussoir se caractérisant par le fait que la partie élastiquement déformable est agencée pour se déformer dans le sens d'un enroulement sur elle-même lorsque la tête est enfoncée et est apte à rappeler par retour élastique l'élément mobile dans une position initiale. It achieves this through a new push button for actuation a distribution member, this distribution member comprising a movable element between two positions, the push button having a head, defining a surface support for the user and a dispensing orifice, a base and an elastic part deformable connecting the head to the base, the head being able to be made integral with the element, this push button characterized by the fact that the elastically deformable part is arranged to deform in a winding direction on itself when the head is depressed and is capable of recalling by elastic return the movable element in a position initial.
Ainsi, la partie élastiquement déformable se déforme dans la présente invention autrement qu'un soufflet ou un ressort hélicoïdal, puisqu'un soufflet ou un ressort hélicoïdal se déforme non pas dans le sens d'un enroulement sur lui-même mais dans le sens d'un tassement axial.Thus, the elastically deformable part is deformed in the present invention other than a bellows or a coil spring, since a bellows or a helical spring deforms not in the direction of a winding on itself but in the direction of axial compaction.
Le bouton-poussoir selon l'invention permet d'éviter l'emploi d'un ressort métallique pour ramener la pompe dans sa configuration initiale après la distribution d'une dose de produit, sans présenter les inconvénients précités du brevet US 5 363 993.The push button according to the invention avoids the use of a spring metal to return the pump to its initial configuration after dispensing of a dose of product, without exhibiting the aforementioned drawbacks of US Pat. No. 5,363,993.
Le bouton-poussoir selon l'invention peut en outre être fabriqué aisément par moulage de matière plastique et peut être réalisé avec une forme esthétique, permettant de s'affranchir d'une jupe d'habillage entourant la partie élastiquement déformable.The push button according to the invention can also be easily manufactured by plastic molding and can be done with an aesthetic shape, allowing to get rid of a dressing skirt surrounding the elastically deformable part.
Dans une réalisation particulière, la partie élastiquement déformable présente une forme générale de dôme.In a particular embodiment, the elastically deformable part has a general shape of a dome.
De préférence, la tête se situe au centre de la partie élastiquement déformable.Preferably, the head is located in the center of the elastically deformable part.
Une telle configuration permet de favoriser un déplacement en translation de la tête lorsque l'utilisateur appuie sur cette dernière.Such a configuration makes it possible to favor a displacement in translation of head when the user presses it.
Avantageusement, la partie élastiquement déformable est agencée pour former un pli lorsque la tête est enfoncée, et au moins à partir d'une certaine course d'enfoncement de la tête, la zone de raccordement de cette dernière à la partie élastiquement déformable passe au-dessous du niveau du sommet du pli.Advantageously, the elastically deformable part is arranged to form a fold when the head is pressed, and at least from a certain stroke the head, the connection area of the latter to the part elastically deformable passes below the level of the top of the fold.
Dans une réalisation particulière, la partie élastiquement déformable présente une épaisseur sensiblement constante.In a particular embodiment, the elastically deformable part has a substantially constant thickness.
Toujours dans une réalisation particulière, la partie élastiquement déformable est dépourvue de pliures au repos.Still in a particular embodiment, the elastically deformable part is devoid of folds at rest.
De telles pliures pourraient s'avérer inesthétiques et favoriser l'accumulation de salissures.Such folds could prove to be unsightly and favor the accumulation of dirt.
Dans une réalisation particulière, la base du bouton-poussoir présente une forme tubulaire, de préférence symétrique de révolution.In a particular embodiment, the base of the push button has a tubular shape, preferably symmetrical in revolution.
Dans une réalisation particulière, la tête comporte un embout permettant sa fixation sur une tige de commande d'une pompe.In a particular embodiment, the head has a tip allowing its attachment to a pump control rod.
L'embout peut se prolonger en dessous du niveau de la zone de raccordement de la partie élastiquement déformable sur la tête.The nozzle can extend below the level of the connection area of the elastically deformable part on the head.
Dans une réalisation particulière, la tête comporte un logement permettant la fixation d'une buse.In a particular embodiment, the head includes a housing allowing the attachment of a nozzle.
L'axe de la buse peut être perpendiculaire à la direction d'enfoncement de la tête pour distribuer une dose de produit, ou en variante avoir une autre orientation.The axis of the nozzle may be perpendicular to the direction of insertion of the head to dispense a dose of product, or alternatively have another orientation.
Dans une réalisation particulière, la partie élastiquement déformable se raccorde sur la tête sensiblement perpendiculairement à la direction d'enfoncement de la tête pour distribuer une dose de produit.In a particular embodiment, the elastically deformable part is connects on the head substantially perpendicular to the driving direction of the head to dispense a dose of product.
Une telle configuration permet d'amener la partie élastiquement déformable à s'enrouler sur elle-même dès le début de la course d'enfoncement de la tête.Such a configuration makes it possible to bring the elastically deformable part to wind on itself at the start of the head drive.
Dans une réalisation particulière, la partie élastiquement déformable se raccorde sur la tête par une zone d'épaisseur réduite.In a particular embodiment, the elastically deformable part is connects to the head through an area of reduced thickness.
Une telle zone d'épaisseur réduite facilite le déplacement en translation de la tête lorsque celle-ci est enfoncée.Such an area of reduced thickness facilitates the translational movement of the head when pressed.
Avantageusement, la base est agencée pour s'emmancher sur le corps de pompe et comporte de préférence dans ce cas, au niveau de la zone servant à la fixation sur le corps de pompe, un bourrelet annulaire.Advantageously, the base is arranged to be fitted onto the body of pump and preferably includes in this case, at the area used for fixing on the pump body, an annular bead.
Un tel bourrelet permet d'obtenir une force de serrage plus importante pour maintenir en place le bouton-poussoir sur le corps de pompe.Such a bead makes it possible to obtain a greater clamping force for hold the push button in place on the pump body.
L'épaisseur de la partie élastiquement déformable peut être comprise entre 1 et 3 mm par exemple, étant de préférence voisine de 2 mm.The thickness of the elastically deformable part can be between 1 and 3 mm for example, preferably being close to 2 mm.
Dans une réalisation particulière, la tête du bouton-poussoir présente une extrémité supérieure élargie.In a particular embodiment, the head of the push button has a enlarged upper end.
De préférence, le bouton-poussoir est réalisé d'un seul tenant par moulage.Preferably, the push button is made in one piece by molding.
On peut utiliser comme matière plastique pour mouler le bouton-poussoir un matériau à mémoire de forme, de préférence choisi parmi les mélanges à base des matériaux suivants : éthylène vinyle acétate, élastomères thermoplastiques et polyéthylène basse densité.A plastic material can be used to mold the push button. shape memory material, preferably chosen from mixtures based on following materials: ethylene vinyl acetate, thermoplastic elastomers and low density polyethylene.
D'autres caractéristiques et avantages de l'invention ressortiront à la lecture de la description détaillée qui va suivre, d'un exemple de mise en oeuvre non limitatif, et l'examen du dessin annexé, sur lequel :
- la figure 1 représente partiellement et de manière schématique un récipient muni d'une pompe équipée d'un bouton-poussoir conforme à l'invention, le bouton-poussoir étant représenté au repos et en coupe axiale,
- la figure 2 est une vue de face du bouton-poussoir représenté isolément, selon la flèche II de la figure 1,
- la figure 3 est une coupe axiale selon le trait de coupe III-III de la figure 2,
- la figure 4 est une coupe transversale selon le trait de coupe IV-IV de la figure 3, et
- la figure 5 est une vue analogue à la figure 1, représentant le bouton-poussoir au cours de la distribution d'une dose de produit.
- FIG. 1 partially and schematically represents a container fitted with a pump fitted with a push button according to the invention, the push button being shown at rest and in axial section,
- FIG. 2 is a front view of the push-button shown in isolation, according to arrow II in FIG. 1,
- FIG. 3 is an axial section along the section line III-III of FIG. 2,
- FIG. 4 is a cross-section along the section line IV-IV of FIG. 3, and
- Figure 5 is a view similar to Figure 1, showing the push button during the dispensing of a dose of product.
On a représenté partiellement et très schématiquement sur la figure 1 un
récipient 1 connu en lui-même, pourvu d'une pompe 2 munie d'un bouton-poussoir 3
conforme à l'invention.Partly and very schematically shown in Figure 1 a
container 1 known in itself, provided with a
Le récipient 1 est rempli d'un produit P liquide ou pâteux, au contact du corps du récipient lui-même dans l'exemple décrit.The container 1 is filled with a liquid or pasty product P, in contact with the body of the container itself in the example described.
Le produit P pourrait, dans une variante non illustrée, être emprisonné dans une poche pouvant se rétracter au cours de la distribution.The product P could, in a variant not illustrated, be trapped in a pocket that can retract during dispensing.
La pompe 2 peut être avec ou sans reprise d'air.
Elle comporte un corps de pompe 17 et une tige creuse 6 mobile en
translation selon l'axe X par rapport au corps de pompe 17, à déplacer vers le bas pour
distribuer une dose de produit.It comprises a
Le corps de pompe 17 est fixé dans une jupe de montage 4 réalisée à la partie
supérieure du récipient 1 et abrite, de manière conventionelle, un clapet d'aspiration et un
clapet de refoulement, non apparents sur le dessin, et définit avec un piston également
non apparent sur le dessin, solidaire de la tige creuse 6, une chambre de pompage de
volume variable.The
L'utilisation d'un bouton-poussoir 3 conforme à l'invention permet d'utiliser
un corps de pompe 17 sans ressort à l'intérieur, comme cela sera précisé plus loin.The use of a
Le clapet de refoulement précité s'ouvre pour permettre la distribution du
produit par le canal intérieur 8 de la tige creuse 6 lorsque le volume de la chambre de
pompage diminue, c'est-à-dire lorsque la tige creuse 6 descend, le clapet d'aspiration étant
alors fermé.The aforementioned discharge valve opens to allow the distribution of the
produced by the inner channel 8 of the
Lorsque la tige creuse 6 remonte, le clapet de refoulement se ferme et le
clapet d'aspiration s'ouvre pour permettre une rentrée de produit dans la chambre de
pompage.When the
Dans l'exemple de réalisation décrit, la pompe 2 est raccordée à un tube
plongeur 9 permettant d'utiliser le récipient tête en haut.In the example of embodiment described, the
Le bouton-poussoir 3 comporte une base 10 fixée sur la partie supérieure 11
du corps de pompe 17, une tête 14 et une partie élastiquement déformable 15 reliant la
tête 14 à la base 10.The
La tête 14 comporte en partie inférieure un embout tubulaire 18, d'axe X,
dans lequel est insérée l'extrémité supérieure de la tige creuse 6, et présente en partie
supérieure un logement 20 d'axe Y perpendiculaire à l'axe X, pour le montage d'une buse
21, cette dernière pouvant être à simple orifice ou à canaux tourbillonnaires, selon la
nature du produit distribué et la destination de celui-ci.The
L'intérieur du logement 20 communique avec l'intérieur de l'embout 18 par un
canal intérieur 19 permettant au produit sortant de la tige creuse 6 d'être distribué.The interior of the
La tête 14 présente, comme on peut le voir sur la figure 2, une extrémité
supérieure 25 élargie, définissant une surface d'appui 26 sensiblement plane et
perpendiculaire à l'axe X.The
La partie élastiquement déformable 15 n'est pas au contact du produit,
présente une forme générale de dôme, la tête 14 du bouton-poussoir 3 se raccordant à la
partie élastiquement déformable 15 au sommet de ce dôme.The elastically
La partie élastiquement déformable 15 se raccorde à la tête 14 par une zone
annulaire amincie 30, mais présente par ailleurs une épaisseur sensiblement constante
entre cette zone amincie 30 et la base 10.The elastically
Lorsque la partie élastiquement déformable 15 est observée en section axiale
comme sur la figure 3, elle présente une forme sensiblement en quart de cercle de part et
d'autre de la tête 14.When the elastically
On voit également sur cette figure que la partie élastiquement déformable 15
se raccorde à la tête 14 dans une direction sensiblement perpendiculaire à l'axe X et se
raccorde à la base 10 parallèlement à l'axe X.We also see in this figure that the elastically
Dans l'exemple de réalisation décrit, la base 10 présente une forme
symétrique de révolution, avec un bourrelet annulaire 32 sur sa surface radialement
intérieure, ce bourrelet annulaire 32 étant destiné à augmenter l'effort de serrage sur la
partie supérieure 11 du corps de pompe 17. In the example of embodiment described, the
L'extrémité inférieure de la base 10 est biseautée sur sa surface radialement
intérieure pour faciliter la mise en place du bouton-poussoir 3 sur le corps de pompe 17.The lower end of the
Dans l'exemple de réalisation décrit, la surface extérieure de la partie
élastiquement déformable 15 et de la base 10 est continue et dépourvue de relief ou de
décrochement, ce qui est particulièrement esthétique.In the embodiment described, the external surface of the part
elastically deformable 15 and
En outre, le bouton-poussoir 3 empêche la rentrée de salissures dans le jeu
annulaire 35 autour de la tige creuse 6.In addition,
Dans l'exemple de réalisation décrit, la base 10, la partie élastiquement
déformable 15 et la tête 14 sont réalisées d'un seul tenant par moulage par injection, dans
un matériau à mémoire de forme.In the example of embodiment described, the
Parmi les matériaux utilisables pour réaliser le bouton-poussoir 3, on peut
citer les mélanges à base d'éthylène vinyle acétate, d'élastomères thermoplastiques ou de
polyéthylène basse densité.Among the materials that can be used to make the
Bien entendu, la liste ci-dessus n'est pas limitative et l'on peut utiliser d'autres matériaux adaptés, thermoplastiques ou non.Of course, the above list is not exhaustive and we can use other suitable materials, thermoplastic or not.
On remarquera que grâce à la géométrie de la base 10 et à celle de la partie
élastiquement déformable 15 le bouton-poussoir peut être réalisé au moyen d'un moule
relativement simple.Note that thanks to the geometry of the
Pour mettre en place le bouton-poussoir 3, on monte en force la base 10 sur
l'extrémité supérieure 11 du corps de pompe 17, la base 10 étant apte à se dilater
élastiquement radialement vers l'extérieur lors de ce montage.To set up the
Une fois en position, la base 10 est immobilisée par friction sur l'extrémité
supérieure du corps de pompe 17 grâce au serrage résultant de l'emploi d'un matériau
élastomère.Once in position, the
Le fonctionnement de la pompe 2 est le suivant, celle-ci étant supposée
amorcée.The operation of
Pour distribuer une dose de produit P, l'utilisateur enfonce la tête 14 selon
l'axe X en appuyant avec un doigt sur la surface d'appui 26.To dispense a dose of product P, the user pushes the
Au cours de cet enfoncement, la partie élastiquement déformable 15 se
déforme dans le sens d'un enroulement sur elle-même, comme on peut le voir sur la
figure 5.During this depression, the elastically
On remarquera que la partie élastiquement déformable forme, au terme d'une
certaine course d'enfoncement de la tête 14, un pli dont le sommet 40 se situe au-dessus
du niveau du raccordement sur la tête 14 de la partie élastiquement déformable 15.It will be noted that the elastically deformable part forms, at the end of a
certain driving-in stroke of the
On remarquera également que la dimension radiale de la partie élastiquement
déformable 15 augmente lorsque la tête 14 est enfoncée.It will also be noted that the radial dimension of the
La présence de la zone amincie 30 facilite l'enfoncement de la tête 14.The presence of the thinned
Lorsque l'utilisateur relâche la tête 14 du bouton-poussoir 3, l'énergie
élastique accumulée dans la partie élastiquement déformable 15 est libérée et cette
dernière, en reprenant sa forme initiale, ramène la tête 14 vers le haut, ce qui permet de
faire remonter la tige creuse 6 et d'aspirer du produit dans la chambre de pompage,
malgré l'absence de tout ressort de rappel dans le corps de pompe 17.When the user releases the
Bien entendu, l'invention n'est pas limitée à l'exemple de réalisation qui vient d'être décrit.Of course, the invention is not limited to the embodiment which comes to be described.
On peut notamment modifier la forme de la partie élastiquement déformable, en réalisant par exemple des ajours dans celle-ci, cette dernière pouvant ainsi ne présenter que des portions de fuseaux.One can in particular modify the shape of the elastically deformable part, by making, for example, openings in the latter, the latter thus not being able to present only portions of spindles.
On peut également modifier la forme de la base et la réaliser par exemple d'un seul tenant avec une partie du récipient ou du corps de pompe.You can also modify the shape of the base and make it, for example, integral with part of the container or the pump body.
On peut encore modifier la forme de la tête et la réaliser par exemple d'un seul tenant avec la tige de commande de la pompe.We can also modify the shape of the head and make it, for example, in one piece with the pump control rod.
On peut aussi réaliser le bouton-poussoir en utilisant des matériaux différents, par exemple une matière plastique rigide ou semi-rigide pour la base et la tête et une matière élastomère pour la partie élastiquement déformable, grâce à une technique de bi-injection de matière thermoplastique par exemple.We can also make the push button using different materials, for example a rigid or semi-rigid plastic for the base and the head and a elastomeric material for the elastically deformable part, thanks to a bi-injection technique of thermoplastic material for example.
Finalement, l'invention permet de réaliser une pompe sans ressort à un prix de revient relativement faible, sans risque de corrosion par rapport à une pompe à ressort métallique, pouvant être aisément moulée et d'esthétique plus satisfaisante qu'une pompe comportant un soufflet formant ressort.Finally, the invention makes it possible to produce a springless pump at a price of relatively low returns, without risk of corrosion compared to a spring pump metallic, can be easily molded and more satisfying than a pump comprising a bellows forming a spring.
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0004125 | 2000-03-31 | ||
FR0004125A FR2806933B1 (en) | 2000-03-31 | 2000-03-31 | SPRING EFFECT PUSH BUTTON |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1155744A1 true EP1155744A1 (en) | 2001-11-21 |
EP1155744B1 EP1155744B1 (en) | 2008-06-11 |
Family
ID=8848721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01400718A Expired - Lifetime EP1155744B1 (en) | 2000-03-31 | 2001-03-20 | Spring-type push-button |
Country Status (8)
Country | Link |
---|---|
US (1) | US6478197B2 (en) |
EP (1) | EP1155744B1 (en) |
JP (2) | JP2001354279A (en) |
AT (1) | ATE397977T1 (en) |
CA (1) | CA2342122C (en) |
DE (1) | DE60134358D1 (en) |
ES (1) | ES2307577T3 (en) |
FR (1) | FR2806933B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102458678A (en) * | 2009-06-18 | 2012-05-16 | 密闭系统公司 | Fluid material dispenser |
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NL1016694C2 (en) * | 2000-11-23 | 2002-05-24 | Keltub B V | Foam forming unit. |
NL1018609C2 (en) * | 2001-07-20 | 2003-01-21 | Keltub B V | Pump for dispensing viscous liquids, has spring mechanism for pump actuator formed by surface region with given thickness |
FR2848998B1 (en) * | 2002-12-20 | 2006-04-07 | Oreal | DISPENSING DEVICE HAVING MEANS FOR DISTRIBUTING TWO PRODUCTS IN VARIABLE PROPORTIONS |
US6752296B1 (en) | 2003-03-10 | 2004-06-22 | Saint-Gobain Calmar Inc. | Bi-injection trigger sprayer nozzle cap |
FR2854553B1 (en) * | 2003-05-07 | 2005-07-15 | Oreal | DEVICE FOR PACKAGING AND APPLYING A PRODUCT |
WO2006013353A1 (en) * | 2004-08-03 | 2006-02-09 | Incro Limited | Dispenser for aerosol foams and the like, having a post-expansion chamber |
EP2209558B1 (en) * | 2007-11-01 | 2015-01-14 | Pibed Limited | Device for dispensing fluid |
DE102009022211A1 (en) | 2009-05-20 | 2010-12-02 | Heinrich, Hans-Werner, Prof. Dr. | Mixing and dispensing device |
USRE48951E1 (en) | 2015-08-05 | 2022-03-01 | Ecolab Usa Inc. | Hand hygiene compliance monitoring |
KR20150111213A (en) * | 2014-03-25 | 2015-10-05 | (주)연우 | Pumping type cosmetic vessel |
US10039423B2 (en) | 2015-04-01 | 2018-08-07 | Ecolab Usa Inc. | Flexible mounting system for hand hygiene dispensers |
EP3175926A1 (en) * | 2015-12-03 | 2017-06-07 | Kao Germany GmbH | Dispenser pump and method for operating a dispenser pump |
CA2923827C (en) * | 2016-03-15 | 2023-08-01 | Heiner Ophardt | Three piece pump |
CA2923831C (en) * | 2016-03-15 | 2023-03-07 | Heiner Ophardt | Valvular conduit |
US9919327B2 (en) * | 2016-06-21 | 2018-03-20 | Avon Products, Inc. | Living hinge actuator |
AU2018231071B2 (en) | 2017-03-07 | 2022-07-07 | Ecolab Usa Inc. | Monitoring modules for hand hygiene dispensers |
CN109809026A (en) * | 2017-11-21 | 2019-05-28 | 丁要武 | Liquid pump |
CN109809027A (en) * | 2017-11-21 | 2019-05-28 | 丁要武 | Container without spring pump and including this without spring pump |
EP3770564B1 (en) | 2018-06-11 | 2023-07-19 | GWA Hygiene GmbH | Re-usable sensor module configured to be detachably fastened to a holder for a container |
US10335816B1 (en) * | 2018-08-29 | 2019-07-02 | Armin Arminak | All plastic water resistant pump |
CA3123862A1 (en) | 2018-12-20 | 2020-06-25 | Ecolab Usa Inc. | Adaptive route, bi-directional network communication |
USD991785S1 (en) | 2020-01-31 | 2023-07-11 | Armin Arminak | Lotion pump actuator |
WO2022159378A1 (en) | 2021-01-20 | 2022-07-28 | Ecolab Usa Inc. | Product dispenser holder with compliance module |
US11498089B2 (en) | 2021-04-04 | 2022-11-15 | Armin Arminak | All plastic continuous spray trigger sprayer |
US20230092170A1 (en) * | 2021-09-23 | 2023-03-23 | Apackaging Group Llc | All Plastic High Pressure Pump |
US20240109089A1 (en) * | 2022-09-30 | 2024-04-04 | Johnson & Johnson Consumer Inc. | Liquid Dispensing Apparatus |
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-
2001
- 2001-03-20 EP EP01400718A patent/EP1155744B1/en not_active Expired - Lifetime
- 2001-03-20 ES ES01400718T patent/ES2307577T3/en not_active Expired - Lifetime
- 2001-03-20 AT AT01400718T patent/ATE397977T1/en not_active IP Right Cessation
- 2001-03-20 DE DE60134358T patent/DE60134358D1/en not_active Expired - Lifetime
- 2001-03-22 US US09/816,732 patent/US6478197B2/en not_active Expired - Fee Related
- 2001-03-26 CA CA002342122A patent/CA2342122C/en not_active Expired - Fee Related
- 2001-03-30 JP JP2001101428A patent/JP2001354279A/en active Pending
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FR2668456A1 (en) * | 1990-10-29 | 1992-04-30 | Ducros Fils Sa | Dosing dispenser for liquid or pasty food products |
US5363993A (en) | 1991-12-16 | 1994-11-15 | Sar S.P.A. | Plastic dispenser for liquids or other substances |
US5477985A (en) * | 1992-04-30 | 1995-12-26 | L'oreal | Product dispenser with deformable bag |
WO1996028257A1 (en) * | 1995-03-10 | 1996-09-19 | Taplast Spa | A pump made of plastic for dispensing products from containers |
FR2735452A1 (en) | 1995-06-14 | 1996-12-20 | Michel Chopin | Automatic measuring dispenser for liquids or pastes |
EP0863089A1 (en) * | 1997-03-03 | 1998-09-09 | L'oreal | Dispensing head and dispenser with such head |
DE19729516A1 (en) * | 1997-07-10 | 1999-01-21 | Georg Wiegner | Pump for the dosed discharge of liquid, gel-like or viscous substances |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102458678A (en) * | 2009-06-18 | 2012-05-16 | 密闭系统公司 | Fluid material dispenser |
CN102458678B (en) * | 2009-06-18 | 2015-06-17 | 密闭系统公司 | Fluid material dispenser |
Also Published As
Publication number | Publication date |
---|---|
JP2001354279A (en) | 2001-12-25 |
FR2806933B1 (en) | 2003-04-11 |
FR2806933A1 (en) | 2001-10-05 |
CA2342122A1 (en) | 2001-09-30 |
US20010054626A1 (en) | 2001-12-27 |
DE60134358D1 (en) | 2008-07-24 |
CA2342122C (en) | 2005-10-25 |
EP1155744B1 (en) | 2008-06-11 |
ATE397977T1 (en) | 2008-07-15 |
ES2307577T3 (en) | 2008-12-01 |
US6478197B2 (en) | 2002-11-12 |
JP2005305433A (en) | 2005-11-04 |
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