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EP1466669A1 - Pump to spray a product in different positions and container therefor - Google Patents

Pump to spray a product in different positions and container therefor Download PDF

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Publication number
EP1466669A1
EP1466669A1 EP04290938A EP04290938A EP1466669A1 EP 1466669 A1 EP1466669 A1 EP 1466669A1 EP 04290938 A EP04290938 A EP 04290938A EP 04290938 A EP04290938 A EP 04290938A EP 1466669 A1 EP1466669 A1 EP 1466669A1
Authority
EP
European Patent Office
Prior art keywords
pump
pump body
pumping chamber
container
pump according
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
Application number
EP04290938A
Other languages
German (de)
French (fr)
Other versions
EP1466669B1 (en
Inventor
Marc Ramet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Priority to EP05023001A priority Critical patent/EP1616632B1/en
Publication of EP1466669A1 publication Critical patent/EP1466669A1/en
Application granted granted Critical
Publication of EP1466669B1 publication Critical patent/EP1466669B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0059—Components or details allowing operation in any orientation, e.g. for discharge in inverted position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • B05B11/00442—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means the means being actuated by the difference between the atmospheric pressure and the pressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means

Definitions

  • the present invention relates to a pump intended to be mounted on a container and allowing to distribute a product in different positions, including head at the top or upside down.
  • the patent application FR 2 528 122 discloses a pump enabling distribute a product head up or upside down, having a pump body and a movable assembly in the pump body, defining therewith a chamber of pumping of variable volume.
  • the pump body has an opening allowing the product contained in the container to enter the pumping chamber when the pump is used upside down.
  • the moving assembly includes a lip for isolating the aforementioned opening of the pumping chamber after a certain depression in the body pump. If the pump is held upside down for a long time, there is a risk of leakage product by this opening is not excluded, especially if the product is low viscosity.
  • Patent US Pat. No. 5,622,286 discloses a pump with an orifice in the body pump, this orifice allowing only a return of air and not the supply of the pumping chamber when the pump is upside down.
  • the invention aims in particular to propose a pump which has a structure relatively simple while allowing a product to be satisfactorily distributed, even slightly viscous, head up or upside down.
  • the invention can make it possible to realize the pump with a recovery passage of air which can extend at least partially into the pump body, for example by means of a game formed between a rod of the moving assembly and the fixed part. This can avoid having to implement complex and expensive sealing means to achieve between the rod aforementioned and the fixed part.
  • the invention also allows in the case where the air intake is carried out thanks to a clearance between the rod and the fixed part to reduce the risk of product leakage in case of holding the pump down, either at rest or when the moving assembly is in an end position in the pump body, since the second lip can avoid the product entering through the opening to gain from the inside of the pump body the air intake passage and flow out of the pump.
  • the pump comprises an annular seal intended for between the fixed part and the upper end of the neck of the container on which the pump is mounted, this seal having a radially inner portion which on the one hand may be applied to the pump body to prevent the product contained in the container to flow outwards and secondly can deviate from it under the effect of a depression in the container to allow air to be drawn in.
  • the seal not apply on the pump body. However, the clearance between the seal and the pump body is then weak enough to prevent the passage of the product, while allowing the passage of the air.
  • the pump comprises a base part for fixing the pump to the container, the pump body being fixed, in particular by snapping, on this base part.
  • the aforementioned air intake passage may be formed at least partially between this basic part and the pump body.
  • At least one of the first and second lip is arranged to permanently apply to the pump body, and preferably both lips are permanently applied to the pump body.
  • the first lip may have a substantially frustoconical shape diverging towards the pumping chamber and the second lip an arched shape concave towards the inner surface of the pump body, applying by lower edges and upper on the pump body.
  • the moving assembly can comprise a shutter arranged to close an outlet passage of the product when the volume of the pumping chamber increases and to release this passage when the volume of the pumping chamber decreases and that the product pressure in the chamber of pumping reaches a predefined value.
  • the pump comprises other mechanisms with pre-compression or is not pre-compression.
  • the moving assembly may comprise an interior space into which the outlet passage of the product and wherein the shutter is disposed.
  • This shutter may comprise a tubular body closed at its end upper portion by a substantially frustoconical portion, adapted to seal the passage of product release.
  • the shutter may further comprise an annular lip, outside the body tubular, adapted to be applied on a wall delimiting the aforementioned interior space, this annular lip, when the pump is observed head up, having a shape substantially frustoconical diverging upward and below the passages communicating said interior space and the pumping chamber.
  • the shutter can be recalled in its closed position by an element of elastic return disposed in the interior space, this elastic return element being example a helical spring working in compression.
  • the pump comprises an elastic return element adapted to recall the moving assembly in its rest position.
  • This elastic return element can be arranged in the pumping chamber and comprise a helical spring working in compression.
  • This reminder element could also, without leaving the scope of the the present invention, be disposed outside the pumping chamber, particularly if one wish to avoid contact with the product.
  • the pump body is arranged to allow the attachment of a dip tube.
  • the pump comprising a suction valve closing when the volume of the pumping chamber decreases and opens when the volume of the pumping chamber increases, this valve can be arranged to allow the feeding of the chamber pumping product through the dip tube when the pump is used head up.
  • the subject of the invention is also a container equipped with a pump such that previously defined.
  • the pump 1 shown in Figures 1 and 2 is intended to be mounted on a neck 52 of a container 53, apparent in Figure 3, containing a product P to be dispensed by for example a low viscosity product such as a perfume.
  • This pump 1 comprises a fixed part 2 and a mobile assembly 3 which can be move along an axis X with respect to the fixed part 2.
  • the latter comprises a base portion 4 comprising a mounting skirt 5, threaded internally, intended to be secured to the neck 52 of the container 53 by screwing in the example considered.
  • the base part 4 could be fixed otherwise on the neck of the container without being outside the scope of the present invention, by snapping, gluing, welding or crimping for example.
  • the fixed part 2 further comprises a pump body 16 defining with the moving assembly 3 a pumping chamber 17, of variable volume.
  • the moving assembly 3 comprises a piston 30 made in one piece with a hollow rod 31 at the upper end of which is fixed a push-button 25.
  • the mounting skirt 5 is extended upwards by a collar 7, surrounding a central portion 8 of the base portion 4.
  • This central portion 8 has two walls tubular 9 and 12, coaxial, interconnected by an annular wall 11 at their end upper part, and defines an annular groove open towards the bottom, in which is engaged the pump body 16.
  • the central portion 8 is connected, at its lower end, to the neck 7 by a annular wall 10 extending perpendicular to the axis X.
  • This passage 13 defines at its lower end a frustoconical surface 13a of X axis, diverging towards the bottom, against which can come to bear sealingly a corresponding frustoconical surface 31a of the rod 31, converging up, when the pump is at rest, as shown in Figure 1.
  • the tubular wall 9, radially the outermost, comprises, on its face radially inner, a bead 14 for snap-fastening the body of pump 16 on the base part 4, the pump body 16 having for this purpose to its upper end an annular bead 23.
  • the base portion 4 carries an annular seal 51 intended for to be inserted between the annular wall 10 and the upper end of the neck 52 of the container 53, as shown in Figure 3.
  • the radially inner portion 51a of the seal 51 comes normally apply against the pump body 16 to prevent the product contained in the container to flow outward.
  • the pump body 16 has in the example considered a portion 16a cylindrical of revolution about the X axis and has at its lower end a end piece 18 for fixing a dip tube 19.
  • the end piece 18 defines the seat of a ball suction valve 20.
  • the latter is retained in its housing by at least one lug 21 of the pump body 16.
  • the pump body 16 comprises a opening 24, located in the example considered substantially halfway up the latter, and making it possible to put the pumping chamber 17 in communication with the interior of the container when the mobile assembly 3 is at rest, the volume of the pumping chamber being then maximal.
  • the push-button 25 has a dispensing orifice 26 made with a conventional nozzle with swirling channels 27, attached to the rest of the pushbutton, which allows the distribution of the product P in the form of a spray.
  • the rod 31 comprises a channel 29 allowing the product to gain this orifice 26.
  • the piston 30 comprises first 40 and second 41 annular lips.
  • the first lip 40 is of substantially frustoconical shape, diverging towards the bottom of the pumping chamber 14 and relies tightly on the inner surface of the cylindrical portion 16a of the pump body 16. This first lip 40 is located above of the opening 24 when the pump is in its rest position, as illustrated in Figure 1.
  • the second annular lip 41 is above the first 40, and also applies sealingly to the inner surface of the cylindrical portion 16a of the pump body 16.
  • This second lip 41 has in the example considered a arcuate, concave shape towards the inner surface of the body 16, and is applied by edges lower 41a and upper 42b on the body 16.
  • the rod 31 is extended inferiorly by a hollow end piece 32, closed at its lower end.
  • This end piece 32 is for example fixed by snapping on the rod 31, and has an outer shoulder 33 on which abuts at its end superior to a helical spring 34 working in compression, which rests by its bottom end on the bottom of the pump body 16.
  • Passages 36 are made between the pumping chamber 17, outside the the end piece 32, and the interior space 35 thereof, to allow the product contained in the pumping chamber 17 to gain the channel 29 when the volume of the pumping chamber 17 decreases.
  • the moving assembly 3 comprises, in the interior space 35, a shutter 42 movable between a closed position closing the channel 29 and a distribution position allowing the product to flow in the channel 29 to the orifice 26.
  • the shutter 42 comprises a tubular body 43, of axis X, closed to its upper end by a frustoconical portion 44 adapted to be applied against a seat made in the rod 31, to close the channel 29 when the pump is at rest, as illustrated in Figure 1.
  • the shutter 42 further comprises an annular lip 46 on the outside of the body tubular 43, adapted to be applied on the inner surface of the end piece 32.
  • This annular lip 46 has, when the pump is observed head up, a frustoconical shape diverging upwards, and is positioned below the passages 36 communicating the interior space 35 with the pumping chamber 17.
  • a helical spring 45 working in compression recalls the shutter 42 in its closed position at rest, as can be seen in Figure 1.
  • This spring 45 bears at its lower end against the bottom of the end piece 32 and its upper end against the base of the lip 46.
  • FIG. 2 shows the air intake path 50.
  • the air can circulate through throats axial diametrically opposite made in the bead 14.
  • the portion radially inner 51a of the annular seal 51 may move slightly away from the body of pump 16, to allow air flowing between the tubular wall 9 and the pump body 16 to gain the inside of the container, as can be seen in Figure 3.
  • the operation of the pump 1 is as follows.
  • pump 1 is used upside down, being initially in its rest position shown in Figure 1. It is assumed that the pumping chamber 17 is filled with product, following a previous actuation cycle of the pump.
  • the user presses down on the push-button 25, and the moving assembly 3 moves relative to the pump body 16, so that the pressure of the product contained in the pumping chamber 17 increases, the ball 20 being pressed against its seat.
  • the shutter 42 remains in its closed position of the channel 29 until the pressure of the product in the inner space 35 above the annular lip 46 is sufficient to overcome the return force of spring 45.
  • the further movement of the moving assembly 3 relative to the body of pump 16 causes the expulsion of the product contained in the pumping chamber 17 and the interior space 35.
  • the first lip 40 isolates the chamber of pumping 17 of the opening 24 and the second annular lip 41 can isolate the opening 24 of the air intake passage.
  • the air intake can be performed according to the path 50, to compensate inside of the container the volume of product taken by the pump 1.
  • the pumping chamber 17 can be fill through the opening 24 thanks to the fact that the air can be evacuated by the dip tube.
  • the product is distributed in the same way as head-up.
  • Parts of pumps with and without air intake marketed under the M300 by CALMAR, a subsidiary of SAINT-GOBAIN, may advantageously used to manufacture a pump according to the invention.
  • the pump body may notably comprise not one, but several openings 24.

Landscapes

  • Reciprocating Pumps (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

The pump has a pump body with an opening (24) to communicate a pumping chamber with an interior of a receptacle. A lip (40) is fixed on the body to prevent communication between the chamber and receptacle, after the displacement of mobile assembly in a product distribution direction from a rest position. Another lip (41) is placed above the former lip to prevent the communication across an interior of the body and the opening. An independent claim is also included for a receptacle equipped with a pump.

Description

La présente invention a pour objet une pompe destinée à être montée sur un récipient et permettant de distribuer un produit dans différentes positions, notamment tête en haut ou tête en bas.The present invention relates to a pump intended to be mounted on a container and allowing to distribute a product in different positions, including head at the top or upside down.

On connaít par la demande de brevet FR 2 528 122 une pompe permettant de distribuer un produit tête en haut ou tête en bas, comportant un corps de pompe et un ensemble mobile dans le corps de pompe, définissant avec celui-ci une chambre de pompage de volume variable. Le corps de pompe comporte une ouverture permettant au produit contenu dans le récipient de pénétrer dans la chambre de pompage lorsque la pompe est utilisée tête en bas. L'ensemble mobile comporte une lèvre permettant d'isoler l'ouverture précitée de la chambre de pompage après un certain enfoncement dans le corps de pompe. Si la pompe est maintenue tête en bas sur une longue période, un risque de fuite de produit par cette ouverture n'est pas exclu, notamment si le produit est peu visqueux.The patent application FR 2 528 122 discloses a pump enabling distribute a product head up or upside down, having a pump body and a movable assembly in the pump body, defining therewith a chamber of pumping of variable volume. The pump body has an opening allowing the product contained in the container to enter the pumping chamber when the pump is used upside down. The moving assembly includes a lip for isolating the aforementioned opening of the pumping chamber after a certain depression in the body pump. If the pump is held upside down for a long time, there is a risk of leakage product by this opening is not excluded, especially if the product is low viscosity.

On connaít par le brevet US 5 622 286 une pompe avec un orifice dans le corps de pompe, cet orifice permettant uniquement une reprise d'air et non l'alimentation de la chambre de pompage lorsque la pompe est tête en bas.Patent US Pat. No. 5,622,286 discloses a pump with an orifice in the body pump, this orifice allowing only a return of air and not the supply of the pumping chamber when the pump is upside down.

L'invention vise notamment à proposer une pompe qui ait une structure relativement simple tout en permettant de distribuer de manière satisfaisante un produit, même peu visqueux, tête en haut ou tête en bas.The invention aims in particular to propose a pump which has a structure relatively simple while allowing a product to be satisfactorily distributed, even slightly viscous, head up or upside down.

L'invention a pour objet, selon l'un de ses aspects, une pompe destinée à être fixée sur un récipient, comportant :

  • une partie fixe comprenant un corps de pompe,
  • un ensemble mobile par rapport au corps de pompe et définissant avec celui-ci une chambre de pompage de volume variable,
  • au moins une ouverture dans le corps de pompe permettant à la chambre de pompage de communiquer avec l'intérieur du récipient et disposée de manière à permettre un fonctionnement tête en bas de la pompe,
  • un passage de reprise d'air entre la partie fixe et l'ensemble mobile, ce passage étant distinct de ladite ouverture, c'est-à-dire ne comprenant pas ladite ouverture,
  • une première lèvre agencée pour, au moins après un déplacement de l'ensemble mobile depuis une position de repos dans le sens de la distribution du produit, s'appliquer de manière étanche sur le corps de pompe et empêcher une communication par ladite ouverture entre l'intérieur du récipient et la chambre de pompage, et
  • une deuxième lèvre située au-dessus de la première lorsque la pompe est observée tête en haut, cette deuxième lèvre étant agencée pour, au moins lorsque l'ensemble mobile est dans une position de fin de course dans le corps de pompe, s'appliquer de manière étanche sur le corps de pompe et empêcher une communication à travers l'intérieur du corps de pompe et ladite ouverture entre l'intérieur du récipient et l'extérieur.
The object of the invention is, according to one of its aspects, a pump intended to be fixed on a container, comprising:
  • a fixed part comprising a pump body,
  • an assembly movable relative to the pump body and defining therewith a pumping chamber of variable volume,
  • at least one opening in the pump body allowing the pumping chamber to communicate with the interior of the container and arranged to allow upside down operation of the pump,
  • an air intake passage between the fixed part and the moving assembly, this passage being distinct from said opening, that is to say not including said opening,
  • a first lip arranged for, at least after a displacement of the moving assembly from a rest position in the product dispensing direction, sealingly applied to the pump body and preventing communication by said opening between the inside the container and the pumping chamber, and
  • a second lip located above the first when the pump is observed head up, this second lip being arranged for, at least when the moving assembly is in an end position in the pump body, apply sealingly to the pump body and preventing communication through the interior of the pump body and said opening between the interior of the container and the outside.

L'invention peut permettre de réaliser la pompe avec un passage de reprise d'air qui peut s'étendre au moins partiellement dans le corps de pompe, par exemple grâce à un jeu formé entre une tige de l'ensemble mobile et la partie fixe. Cela peut éviter d'avoir à mettre en oeuvre des moyens d'étanchéité complexes et coûteux à réaliser entre la tige précitée et la partie fixe.The invention can make it possible to realize the pump with a recovery passage of air which can extend at least partially into the pump body, for example by means of a game formed between a rod of the moving assembly and the fixed part. This can avoid having to implement complex and expensive sealing means to achieve between the rod aforementioned and the fixed part.

L'invention permet également dans le cas où la reprise d'air s'effectue grâce à un jeu entre la tige et la partie fixe de réduire le risque de fuite de produit en cas de maintien tête en bas de la pompe, que ce soit au repos ou lorsque l'ensemble mobile est dans une position de fin de course dans le corps de pompe, puisque la deuxième lèvre peut éviter au produit rentrant par l'ouverture de gagner par l'intérieur du corps de pompe le passage de reprise d'air et de s'écouler hors de la pompe.The invention also allows in the case where the air intake is carried out thanks to a clearance between the rod and the fixed part to reduce the risk of product leakage in case of holding the pump down, either at rest or when the moving assembly is in an end position in the pump body, since the second lip can avoid the product entering through the opening to gain from the inside of the pump body the air intake passage and flow out of the pump.

De préférence, la pompe comporte un joint d'étanchéité annulaire destiné à s'intercaler entre la partie fixe et l'extrémité supérieure du col du récipient sur lequel la pompe est montée, ce joint comportant une portion radialement intérieure qui d'une part peut s'appliquer sur le corps de pompe pour empêcher le produit contenu dans le récipient de s'écouler vers l'extérieur et d'autre part peut s'écarter de celui-ci sous l'effet d'une dépression dans le récipient afin de permettre la reprise d'air. En variante, le joint ne s'applique pas sur le corps de pompe. Toutefois, le jeu entre le joint et le corps de pompe est alors suffisamment faible pour empêcher le passage du produit, tout en permettant le passage de l'air.Preferably, the pump comprises an annular seal intended for between the fixed part and the upper end of the neck of the container on which the pump is mounted, this seal having a radially inner portion which on the one hand may be applied to the pump body to prevent the product contained in the container to flow outwards and secondly can deviate from it under the effect of a depression in the container to allow air to be drawn in. In a variant, the seal not apply on the pump body. However, the clearance between the seal and the pump body is then weak enough to prevent the passage of the product, while allowing the passage of the air.

Dans un exemple de mise en oeuvre de l'invention, la pompe comporte une partie de base permettant la fixation de la pompe sur le récipient, le corps de pompe étant fixé, notamment par encliquetage, sur cette partie de base. In an exemplary implementation of the invention, the pump comprises a base part for fixing the pump to the container, the pump body being fixed, in particular by snapping, on this base part.

Le passage de reprise d'air précité peut être formé au moins partiellement entre cette partie de base et le corps de pompe.The aforementioned air intake passage may be formed at least partially between this basic part and the pump body.

Dans un exemple de mise en oeuvre de l'invention, l'une au moins des première et deuxième lèvres est agencée pour s'appliquer en permanence sur le corps de pompe, et de préférence les deux lèvres s'appliquent en permanence sur le corps de pompe.In an exemplary implementation of the invention, at least one of the first and second lip is arranged to permanently apply to the pump body, and preferably both lips are permanently applied to the pump body.

La première lèvre peut présenter une forme sensiblement tronconique divergeant en direction de la chambre de pompage et la deuxième lèvre une forme arquée concave vers la surface intérieure du corps de pompe, s'appliquant par des bords inférieur et supérieur sur le corps de pompe.The first lip may have a substantially frustoconical shape diverging towards the pumping chamber and the second lip an arched shape concave towards the inner surface of the pump body, applying by lower edges and upper on the pump body.

Dans le cas où la pompe est à pré-compression, l'ensemble mobile peut comporter un obturateur agencé pour obturer un passage de sortie du produit lorsque le volume de la chambre de pompage augmente et pour libérer ce passage lorsque le volume de la chambre de pompage diminue et que la pression du produit dans la chambre de pompage atteint une valeur prédéfinie.In the case where the pump is pre-compression, the moving assembly can comprise a shutter arranged to close an outlet passage of the product when the volume of the pumping chamber increases and to release this passage when the volume of the pumping chamber decreases and that the product pressure in the chamber of pumping reaches a predefined value.

On ne sort pas du cadre de la présente invention lorsque la pompe comporte d'autres mécanismes à pré-compression ou n'est pas à pré-compression.It is not beyond the scope of the present invention when the pump comprises other mechanisms with pre-compression or is not pre-compression.

L'ensemble mobile peut comporter un espace intérieur dans lequel débouche le passage de sortie du produit et dans lequel l'obturateur est disposé.The moving assembly may comprise an interior space into which the outlet passage of the product and wherein the shutter is disposed.

Cet obturateur peut comporter un corps tubulaire fermé à son extrémité supérieure par une portion sensiblement tronconique, apte à venir obturer le passage de sortie du produit.This shutter may comprise a tubular body closed at its end upper portion by a substantially frustoconical portion, adapted to seal the passage of product release.

L'obturateur peut comporter en outre une lèvre annulaire, à l'extérieur du corps tubulaire, apte à venir s'appliquer sur une paroi délimitant l'espace intérieur précité, cette lèvre annulaire, lorsque la pompe est observée tête en haut, présentant une forme sensiblement tronconique divergeant vers le haut et se situant en dessous du ou des passages faisant communiquer ledit espace intérieur et la chambre de pompage.The shutter may further comprise an annular lip, outside the body tubular, adapted to be applied on a wall delimiting the aforementioned interior space, this annular lip, when the pump is observed head up, having a shape substantially frustoconical diverging upward and below the passages communicating said interior space and the pumping chamber.

L'obturateur peut être rappelé dans sa position d'obturation par un élément de rappel élastique disposé dans l'espace intérieur, cet élément de rappel élastique étant par exemple un ressort hélicoïdal travaillant en compression.The shutter can be recalled in its closed position by an element of elastic return disposed in the interior space, this elastic return element being example a helical spring working in compression.

Avantageusement, la pompe comporte un élément de rappel élastique apte à rappeler l'ensemble mobile dans sa position de repos. Cet élément de rappel élastique peut être disposé dans la chambre de pompage et comporter un ressort hélicoïdal travaillant en compression. Cet élément de rappel pourrait aussi, sans que l'on sorte du cadre de la présente invention, être disposé à l'extérieur de la chambre de pompage, notamment si l'on souhaite éviter un contact avec le produit.Advantageously, the pump comprises an elastic return element adapted to recall the moving assembly in its rest position. This elastic return element can be arranged in the pumping chamber and comprise a helical spring working in compression. This reminder element could also, without leaving the scope of the the present invention, be disposed outside the pumping chamber, particularly if one wish to avoid contact with the product.

Dans un exemple de mise en oeuvre de l'invention, le corps de pompe est agencé pour permettre la fixation d'un tube plongeur.In an exemplary implementation of the invention, the pump body is arranged to allow the attachment of a dip tube.

La pompe comportant un clapet d'aspiration se fermant lorsque le volume de la chambre de pompage diminue et s'ouvrant lorsque le volume de la chambre de pompage augmente, ce clapet peut être disposé de manière à permettre l'alimentation de la chambre de pompage en produit par l'intermédiaire du tube plongeur lorsque la pompe est utilisée tête en haut.The pump comprising a suction valve closing when the volume of the pumping chamber decreases and opens when the volume of the pumping chamber increases, this valve can be arranged to allow the feeding of the chamber pumping product through the dip tube when the pump is used head up.

L'invention a encore pour objet un récipient équipé d'une pompe telle que définie précédemment.The subject of the invention is also a container equipped with a pump such that previously defined.

L'invention pourra être mieux comprise à la lecture de la description détaillée qui va suivre, d'un exemple de mise en oeuvre non limitatif de celle-ci, et à l'examen du dessin annexé, sur lequel :

  • la figure 1 représente, schématiquement et partiellement, en coupe axiale, une pompe conforme à un exemple de mise en oeuvre de l'invention, l'ensemble mobile étant dans sa position de repos,
  • la figure 2 est une vue analogue à la figure 1, après enfoncement du bouton-poussoir, et
  • la figure 3 représente de manière schématique et partielle un détail de la pompe de la figure 2.
The invention will be better understood on reading the following detailed description of an example of non-limiting implementation thereof, and on examining the appended drawing, in which:
  • FIG. 1 represents, schematically and partially, in axial section, a pump according to an exemplary embodiment of the invention, the moving assembly being in its rest position,
  • FIG. 2 is a view similar to FIG. 1, after depressing the push button, and
  • FIG. 3 schematically and partially shows a detail of the pump of FIG. 2.

La pompe 1 représentée sur les figures 1 et 2 est destinée à être montée sur un col 52 d'un récipient 53, apparent sur la figure 3, contenant un produit P à distribuer, par exemple un produit de faible viscosité tel qu'un parfum.The pump 1 shown in Figures 1 and 2 is intended to be mounted on a neck 52 of a container 53, apparent in Figure 3, containing a product P to be dispensed by for example a low viscosity product such as a perfume.

Cette pompe 1 comporte une partie fixe 2 et un ensemble mobile 3 pouvant se déplacer selon un axe X par rapport à la partie fixe 2.This pump 1 comprises a fixed part 2 and a mobile assembly 3 which can be move along an axis X with respect to the fixed part 2.

Cette dernière comporte une partie de base 4 comprenant une jupe de montage 5, filetée intérieurement, destinée à être assujettie au col 52 du récipient 53 par vissage dans l'exemple considéré. La partie de base 4 pourrait être fixée autrement sur le col du récipient sans que l'on sorte du cadre de la présente invention, par encliquetage, collage, soudage ou sertissage par exemple. The latter comprises a base portion 4 comprising a mounting skirt 5, threaded internally, intended to be secured to the neck 52 of the container 53 by screwing in the example considered. The base part 4 could be fixed otherwise on the neck of the container without being outside the scope of the present invention, by snapping, gluing, welding or crimping for example.

La partie fixe 2 comporte en outre un corps de pompe 16 définissant avec l'ensemble mobile 3 une chambre de pompage 17, de volume variable.The fixed part 2 further comprises a pump body 16 defining with the moving assembly 3 a pumping chamber 17, of variable volume.

L'ensemble mobile 3 comporte un piston 30 réalisé d'un seul tenant avec une tige creuse 31 à l'extrémité supérieure de laquelle est fixé un bouton-poussoir 25.The moving assembly 3 comprises a piston 30 made in one piece with a hollow rod 31 at the upper end of which is fixed a push-button 25.

La jupe de montage 5 est prolongée vers le haut par un col 7, entourant une portion centrale 8 de la partie de base 4. Cette portion centrale 8 comporte deux parois tubulaires 9 et 12, coaxiales, reliées entre elles par une paroi annulaire 11 à leur extrémité supérieure, et définit une gorge annulaire ouverte vers le bas, dans laquelle est engagé le corps de pompe 16.The mounting skirt 5 is extended upwards by a collar 7, surrounding a central portion 8 of the base portion 4. This central portion 8 has two walls tubular 9 and 12, coaxial, interconnected by an annular wall 11 at their end upper part, and defines an annular groove open towards the bottom, in which is engaged the pump body 16.

La portion centrale 8 se raccorde, à son extrémité inférieure, au col 7 par une paroi annulaire 10 s'étendant perpendiculairement à l'axe X.The central portion 8 is connected, at its lower end, to the neck 7 by a annular wall 10 extending perpendicular to the axis X.

La paroi tubulaire 12, radialement la plus intérieure, définit un passage 13 pour la tige 31 de l'ensemble mobile 3. Ce passage 13 définit à son extrémité inférieure une surface tronconique 13a d'axe X, divergeant vers le bas, contre laquelle peut venir en appui de manière étanche une surface tronconique correspondante 31a de la tige 31, convergeant vers le haut, lorsque la pompe est au repos, comme illustré sur la figure 1.The tubular wall 12, radially innermost, defines a passage 13 for the rod 31 of the moving assembly 3. This passage 13 defines at its lower end a frustoconical surface 13a of X axis, diverging towards the bottom, against which can come to bear sealingly a corresponding frustoconical surface 31a of the rod 31, converging up, when the pump is at rest, as shown in Figure 1.

La paroi tubulaire 9, radialement la plus extérieure, comporte, sur sa face radialement intérieure, un bourrelet 14 permettant la fixation par encliquetage du corps de pompe 16 sur la partie de base 4, le corps de pompe 16 comportant à cet effet à son extrémité supérieure un bourrelet annulaire 23.The tubular wall 9, radially the outermost, comprises, on its face radially inner, a bead 14 for snap-fastening the body of pump 16 on the base part 4, the pump body 16 having for this purpose to its upper end an annular bead 23.

La partie de base 4 porte un joint d'étanchéité annulaire 51 destiné à s'intercaler entre la paroi annulaire 10 et l'extrémité supérieure du col 52 du récipient 53, comme illustré sur la figure 3.The base portion 4 carries an annular seal 51 intended for to be inserted between the annular wall 10 and the upper end of the neck 52 of the container 53, as shown in Figure 3.

La portion radialement intérieure 51a du joint 51 vient normalement s'appliquer contre le corps de pompe 16 pour empêcher le produit contenu dans le récipient de s'écouler vers l'extérieur.The radially inner portion 51a of the seal 51 comes normally apply against the pump body 16 to prevent the product contained in the container to flow outward.

Le corps de pompe 16 présente dans l'exemple considéré une portion 16a cylindrique de révolution autour de l'axe X et comporte à son extrémité inférieure un embout 18 servant à la fixation d'un tube plongeur 19.The pump body 16 has in the example considered a portion 16a cylindrical of revolution about the X axis and has at its lower end a end piece 18 for fixing a dip tube 19.

L'embout 18 définit le siège d'un clapet d'aspiration à bille 20. Cette dernière est retenue dans son logement par au moins une patte 21 du corps de pompe 16. The end piece 18 defines the seat of a ball suction valve 20. The latter is retained in its housing by at least one lug 21 of the pump body 16.

Conformément à un aspect de l'invention, le corps de pompe 16 comporte une ouverture 24, située dans l'exemple considéré sensiblement à mi-hauteur de celui-ci, et permettant de mettre la chambre de pompage 17 en communication avec l'intérieur du récipient lorsque l'ensemble mobile 3 est au repos, le volume de la chambre de pompage étant alors maximal.According to one aspect of the invention, the pump body 16 comprises a opening 24, located in the example considered substantially halfway up the latter, and making it possible to put the pumping chamber 17 in communication with the interior of the container when the mobile assembly 3 is at rest, the volume of the pumping chamber being then maximal.

Le bouton-poussoir 25 comporte un orifice de distribution 26 réalisé avec une buse conventionnelle à canaux tourbillonnaires 27, rapportée sur le reste du bouton-poussoir, ce qui permet la distribution du produit P sous la forme d'un spray.The push-button 25 has a dispensing orifice 26 made with a conventional nozzle with swirling channels 27, attached to the rest of the pushbutton, which allows the distribution of the product P in the form of a spray.

La tige 31 comporte un canal 29 permettant au produit de gagner cet orifice 26.The rod 31 comprises a channel 29 allowing the product to gain this orifice 26.

Dans l'exemple considéré, le piston 30 comporte des première 40 et deuxième 41 lèvres annulaires.In the example under consideration, the piston 30 comprises first 40 and second 41 annular lips.

La première lèvre 40 est de forme sensiblement tronconique, divergeant vers le fond de la chambre de pompage 14 et s'appuie de manière étanche sur la surface intérieure de la portion cylindrique 16a du corps de pompe 16. Cette première lèvre 40 se situe au-dessus de l'ouverture 24 lorsque la pompe est dans sa position de repos, comme illustré sur la figure 1.The first lip 40 is of substantially frustoconical shape, diverging towards the bottom of the pumping chamber 14 and relies tightly on the inner surface of the cylindrical portion 16a of the pump body 16. This first lip 40 is located above of the opening 24 when the pump is in its rest position, as illustrated in Figure 1.

La deuxième lèvre annulaire 41 se situe au-dessus de la première 40, et s'applique également de manière étanche sur la surface intérieure de la portion cylindrique 16a du corps de pompe 16. Cette deuxième lèvre 41 présente dans l'exemple considéré une forme arquée, concave vers la surface intérieure du corps 16, et s'applique par des bords inférieur 41a et supérieur 42b sur le corps 16.The second annular lip 41 is above the first 40, and also applies sealingly to the inner surface of the cylindrical portion 16a of the pump body 16. This second lip 41 has in the example considered a arcuate, concave shape towards the inner surface of the body 16, and is applied by edges lower 41a and upper 42b on the body 16.

La tige 31 est prolongée inférieurement par une pièce d'extrémité 32, creuse, fermée à son extrémité inférieure.The rod 31 is extended inferiorly by a hollow end piece 32, closed at its lower end.

Cette pièce d'extrémité 32 est par exemple fixée par encliquetage sur la tige 31, et comporte un épaulement extérieur 33 sur lequel vient en appui à son extrémité supérieure un ressort hélicoïdal 34 travaillant en compression, lequel repose par son extrémité inférieure sur le fond du corps de pompe 16.This end piece 32 is for example fixed by snapping on the rod 31, and has an outer shoulder 33 on which abuts at its end superior to a helical spring 34 working in compression, which rests by its bottom end on the bottom of the pump body 16.

Des passages 36 sont réalisés entre la chambre de pompage 17, à l'extérieur de la pièce d'extrémité 32, et l'espace intérieur 35 de celle-ci, pour permettre au produit contenu dans la chambre de pompage 17 de gagner le canal 29 lorsque le volume de la chambre de pompage 17 diminue. Passages 36 are made between the pumping chamber 17, outside the the end piece 32, and the interior space 35 thereof, to allow the product contained in the pumping chamber 17 to gain the channel 29 when the volume of the pumping chamber 17 decreases.

L'ensemble mobile 3 comporte, dans l'espace intérieur 35, un obturateur 42 mobile entre une position d'obturation fermant le canal 29 et une position de distribution permettant au produit de s'écouler dans le canal 29 jusqu'à l'orifice 26.The moving assembly 3 comprises, in the interior space 35, a shutter 42 movable between a closed position closing the channel 29 and a distribution position allowing the product to flow in the channel 29 to the orifice 26.

L'obturateur 42 comporte un corps tubulaire 43, d'axe X, fermé à son extrémité supérieure par une portion tronconique 44 apte à s'appliquer contre un siège réalisé dans la tige 31, pour obturer le canal 29 lorsque la pompe est au repos, comme illustré sur la figure 1.The shutter 42 comprises a tubular body 43, of axis X, closed to its upper end by a frustoconical portion 44 adapted to be applied against a seat made in the rod 31, to close the channel 29 when the pump is at rest, as illustrated in Figure 1.

L'obturateur 42 comporte en outre une lèvre annulaire 46 à l'extérieur du corps tubulaire 43, apte à venir s'appliquer sur la surface intérieure de la pièce d'extrémité 32.The shutter 42 further comprises an annular lip 46 on the outside of the body tubular 43, adapted to be applied on the inner surface of the end piece 32.

Cette lèvre annulaire 46 présente, lorsque la pompe est observée tête en haut, une forme tronconique divergeant vers le haut, et se positionne en dessous des passages 36 faisant communiquer l'espace intérieur 35 avec la chambre de pompage 17.This annular lip 46 has, when the pump is observed head up, a frustoconical shape diverging upwards, and is positioned below the passages 36 communicating the interior space 35 with the pumping chamber 17.

Un ressort hélicoïdal 45 travaillant en compression rappelle l'obturateur 42 dans sa position d'obturation au repos, comme on peut le voir sur la figure 1. Ce ressort 45 prend appui à son extrémité inférieure contre le fond de la pièce d'extrémité 32 et à son extrémité supérieure contre la base de la lèvre 46.A helical spring 45 working in compression recalls the shutter 42 in its closed position at rest, as can be seen in Figure 1. This spring 45 bears at its lower end against the bottom of the end piece 32 and its upper end against the base of the lip 46.

Lorsqu'une dépression règne à l'intérieur du récipient, l'air peut être aspiré dans celui-ci en circulant entre le col 7 et le bouton-poussoir 25 et lorsque ce dernier est enfoncé, dans le jeu existant entre la tige 31 et la paroi tubulaire 12, entre cette dernière et le corps de pompe 16, entre la paroi annulaire 11 et le corps 16, puis entre la paroi tubulaire 9 et le corps de pompe 16 et enfin entre le joint 51 et le corps 16.When a depression prevails inside the container, the air can be sucked in it by flowing between the neck 7 and the push button 25 and when the latter is in the clearance between the rod 31 and the tubular wall 12, between the latter and the pump body 16, between the annular wall 11 and the body 16, then between the wall tubular 9 and the pump body 16 and finally between the seal 51 and the body 16.

On a représenté sur la figure 2 le trajet 50 de reprise d'air.FIG. 2 shows the air intake path 50.

Entre la paroi tubulaire 9 et le corps 16, l'air peut circuler grâce à des gorges axiales diamétralement opposées réalisées dans le bourrelet 14. La portion radialement intérieure 51a du joint annulaire d'étanchéité 51 peut s'écarter légèrement du corps de pompe 16, pour permettre à l'air circulant entre la paroi tubulaire 9 et le corps de pompe 16 de gagner l'intérieur du récipient, comme on peut le voir sur la figure 3.Between the tubular wall 9 and the body 16, the air can circulate through throats axial diametrically opposite made in the bead 14. The portion radially inner 51a of the annular seal 51 may move slightly away from the body of pump 16, to allow air flowing between the tubular wall 9 and the pump body 16 to gain the inside of the container, as can be seen in Figure 3.

Le fonctionnement de la pompe 1 est le suivant.The operation of the pump 1 is as follows.

On suppose que la pompe 1 est utilisée tête en haut, étant initialement dans sa position de repos illustrée sur la figure 1. On suppose que la chambre de pompage 17 est remplie de produit, suite à un cycle d'actionnement précédent de la pompe. It is assumed that pump 1 is used upside down, being initially in its rest position shown in Figure 1. It is assumed that the pumping chamber 17 is filled with product, following a previous actuation cycle of the pump.

Pour distribuer du produit, l'utilisateur exerce une pression vers le bas sur le bouton-poussoir 25, et l'ensemble mobile 3 se déplace relativement au corps de pompe 16, de sorte que la pression du produit contenu dans la chambre de pompage 17 augmente, la bille 20 étant plaquée contre son siège.To distribute the product, the user presses down on the push-button 25, and the moving assembly 3 moves relative to the pump body 16, so that the pressure of the product contained in the pumping chamber 17 increases, the ball 20 being pressed against its seat.

L'obturateur 42 reste dans sa position d'obturation du canal 29 jusqu'à ce que la pression du produit dans l'espace intérieur 35 au-dessus de la lèvre annulaire 46 soit suffisante pour vaincre la force de rappel du ressort 45.The shutter 42 remains in its closed position of the channel 29 until the pressure of the product in the inner space 35 above the annular lip 46 is sufficient to overcome the return force of spring 45.

Lorsque l'ensemble mobile 3 est suffisamment enfoncé, la pression exercée par le produit sur la lèvre 46 provoque le déplacement vers le bas de l'obturateur 42, ce qui libère l'accès au canal 29.When the movable assembly 3 is sufficiently depressed, the pressure exerted by the product on the lip 46 causes the shutter 42 to move downwards, which clears access to channel 29

La poursuite du déplacement de l'ensemble mobile 3 relativement au corps de pompe 16 entraíne l'expulsion du produit contenu dans la chambre de pompage 17 et l'espace intérieur 35.The further movement of the moving assembly 3 relative to the body of pump 16 causes the expulsion of the product contained in the pumping chamber 17 and the interior space 35.

Pendant ce déplacement, la première lèvre 40 vient isoler la chambre de pompage 17 de l'ouverture 24 et la deuxième lèvre annulaire 41 permet d'isoler l'ouverture 24 du passage de reprise d'air.During this movement, the first lip 40 isolates the chamber of pumping 17 of the opening 24 and the second annular lip 41 can isolate the opening 24 of the air intake passage.

Durant le déplacement de l'ensemble mobile 3, le ressort 34 s'est comprimé.During the movement of the moving assembly 3, the spring 34 has compressed.

Lorsque l'utilisateur cesse d'appuyer sur le bouton-poussoir 25, le ressort 34 entraíne l'ensemble mobile 3 vers le haut et le ressort 45 ramène l'obturateur 42 dans sa position d'obturation du canal 29.When the user stops pressing the pushbutton 25, the spring 34 causes the moving assembly 3 upwards and the spring 45 returns the shutter 42 in its shutter position of the channel 29.

La poursuite du mouvement de remontée de l'ensemble mobile 3 relativement au corps de pompe 16 s'accompagne de l'aspiration de produit dans la chambre de pompage 17 sous l'effet de la dépression qui se créée dans celle-ci.Continuing the upward movement of the moving assembly 3 relatively to the pump body 16 is accompanied by the product suction in the chamber of pumping 17 under the effect of the depression that is created in it.

La reprise d'air peut s'effectuer selon le trajet 50, pour compenser à l'intérieur du récipient le volume de produit prélevé par la pompe 1.The air intake can be performed according to the path 50, to compensate inside of the container the volume of product taken by the pump 1.

Lorsque cette dernière regagne sa position de repos, du produit peut rester à l'intérieur de la chambre de pompage 17 du fait que la bille 20 tend, sous l'effet de son poids, à s'appliquer contre son siège et à fermer la communication entre le tube plongeur et la chambre de pompage 17.When the latter returns to its rest position, product may remain the interior of the pumping chamber 17 because the ball 20 tends, under the effect of its weight, to be applied against its seat and to close the communication between the dip tube and the pumping chamber 17.

Lorsque la pompe est utilisée tête en bas, la chambre de pompage 17 peut se remplir par l'ouverture 24 grâce au fait que l'air peut s'évacuer par le tube plongeur. La distribution du produit s'effectue de la même manière qu'en position tête en haut. When the pump is used upside down, the pumping chamber 17 can be fill through the opening 24 thanks to the fact that the air can be evacuated by the dip tube. The The product is distributed in the same way as head-up.

Lorsque la pompe 1 est tête en bas, au repos, le fait que la première lèvre 40 s'applique de manière étanche sur le corps de pompe 16 permet d'éviter un risque de fuite de produit par le jeu existant entre la tige 31 et la portion centrale 8 de la partie de base 4.When the pump 1 is upside down, at rest, the fact that the first lip 40 applies sealingly on the pump body 16 avoids a risk of leakage of product by the clearance existing between the rod 31 and the central portion 8 of the base portion 4.

Ce risque de fuite de produit est également empêché ou réduit si la pompe est tête en bas avec l'ensemble mobile 3 dans sa position de fin de course, par appui de la deuxième lèvre 41 sur le corps de pompe 16.This risk of product leakage is also prevented or reduced if the pump is upside down with the moving assembly 3 in its end-of-travel position, by supporting the second lip 41 on the pump body 16.

Les pièces des pompes avec et sans reprise d'air commercialisées sous la référence M300 par la société CALMAR, filiale de la société SAINT-GOBAIN, peuvent avantageusement servir à fabriquer une pompe selon l'invention.Parts of pumps with and without air intake marketed under the M300 by CALMAR, a subsidiary of SAINT-GOBAIN, may advantageously used to manufacture a pump according to the invention.

Bien entendu, l'invention n'est pas limitée à l'exemple de mise en oeuvre qui vient d'être décrit.Of course, the invention is not limited to the example of implementation which just described.

Le corps de pompe peut notamment comporter non pas une, mais plusieurs ouvertures 24.The pump body may notably comprise not one, but several openings 24.

Dans toute la description, y compris les revendications, l'expression « comportant un » doit être comprise comme étant synonyme de « comportant au moins un », sauf si le contraire est spécifié.Throughout the description, including the claims, the expression "Comprising one" must be understood as being synonymous with "comprising at least a ", unless the opposite is specified.

Claims (17)

Pompe (1) destinée à être fixée sur un récipient, comportant : une partie fixe comprenant un corps de pompe (16), un ensemble mobile (3) par rapport au corps de pompe (16) et définissant avec celui-ci une chambre de pompage de volume variable (17), au moins une ouverture (24) dans le corps de pompe permettant à la chambre de pompage de communiquer avec l'intérieur du récipient et disposée de manière à permettre un fonctionnement tête en bas de la pompe, un passage de reprise d'air entre la partie fixe (2) et l'ensemble mobile (3), ce passage étant distinct de ladite ouverture (24), une première lèvre (40) agencée pour, après un déplacement de l'ensemble mobile depuis une position de repos dans le sens de la distribution du produit, s'appliquer de manière étanche sur le corps de pompe (16) et empêcher une communication par ladite ouverture (24) entre l'intérieur du récipient et la chambre de pompage (17), et une deuxième lèvre (41) située au-dessus de la première, lorsque la pompe est observée tête en haut, cette deuxième lèvre étant agencée pour, au moins lorsque l'ensemble mobile est dans une position de fin de course dans le corps de pompe, s'appliquer de manière étanche sur le corps de pompe et empêcher une communication à travers l'intérieur du corps de pompe et par ladite ouverture entre l'intérieur du récipient et l'extérieur. Pump (1) for attachment to a container, comprising: a fixed part comprising a pump body (16), a moving assembly (3) with respect to the pump body (16) and defining therewith a pumping chamber of variable volume (17), at least one aperture (24) in the pump body allowing the pumping chamber to communicate with the interior of the container and arranged to allow head-down operation of the pump, an air intake passage between the fixed part (2) and the moving assembly (3), this passage being distinct from said opening (24), a first lip (40) arranged for, after a displacement of the moving assembly from a rest position in the product dispensing direction, sealingly applied to the pump body (16) and preventing communication by said opening (24) between the interior of the container and the pumping chamber (17), and a second lip (41) located above the first, when the pump is seen head up, this second lip being arranged for, at least when the movable assembly is in an end position in the pump body , apply sealingly to the pump body and prevent communication through the interior of the pump body and through said opening between the interior of the container and the outside. Pompe selon la revendication précédente, caractérisée par le fait qu'elle comporte un joint d'étanchéité annulaire (51) destiné à s'intercaler entre la partie fixe et l'extrémité supérieure (52) du col du récipient sur lequel la pompe est montée, ce joint comportant une portion radialement intérieure (51a) s'appliquant sur le corps de pompe pour empêcher le produit contenu dans le récipient de s'écouler vers l'extérieur, et apte à s'écarter de celui-ci sous l'effet d'une dépression pour permettre une entrée d'air de l'extérieur vers l'intérieur du récipient.Pump according to the preceding claim, characterized in that it comprises an annular seal (51) intended to be interposed between the fixed part and the upper end (52) of the container neck on which the pump is mounted , said seal having a radially inner portion (51a) applied to the pump body to prevent the product contained in the container from flowing outwards, and able to move away from it under the effect a vacuum to allow an air intake from the outside to the inside of the container. Pompe selon l'une des revendications précédentes, caractérisée par le fait qu'elle comporte une partie de base (4) permettant la fixation de la pompe sur un récipient, le corps de pompe (16) étant fixé, notamment par encliquetage, sur cette partie de base. Pump according to one of the preceding claims, characterized in that it comprises a base portion (4) for fixing the pump to a container, the pump body (16) being fixed, in particular by snapping, on this basic part. Pompe selon la revendication précédente, caractérisée par le fait que le passage de reprise d'air est formé au moins partiellement entre la partie de base (4) et le corps de pompe (16).Pump according to the preceding claim, characterized in that the air intake passage is formed at least partially between the base portion (4) and the pump body (16). Pompe selon l'une quelconque des revendications précédentes, caractérisée par le fait que l'une au moins des première (40) et deuxième (41) lèvres est agencée pour s'appliquer en permanence sur le corps de pompe (16), et de préférence les deux lèvres s'appliquent en permanence sur le corps de pompe.Pump according to any one of the preceding claims, characterized in that at least one of the first (40) and second (41) lips is arranged to permanently apply to the pump body (16), and to preferably both lips are permanently applied to the pump body. Pompe selon l'une quelconque des revendications précédentes, caractérisée par le fait que la première lèvre (40) présente une forme sensiblement tronconique divergeant en direction de la chambre de pompage.Pump according to any one of the preceding claims, characterized in that the first lip (40) has a substantially frustoconical shape diverging towards the pump chamber. Pompe selon l'une quelconque des revendications précédentes, caractérisée par le fait que la deuxième lèvre (41) présente une forme arquée concave vers la surface intérieure du corps de pompe, s'appliquant par des bords inférieur et supérieur sur le corps de pompe.Pump according to any one of the preceding claims, characterized in that the second lip (41) has a concave arcuate shape towards the inner surface of the pump body, applying by lower and upper edges on the pump body. Pompe selon l'une quelconque des revendications précédentes, caractérisée par le fait que l'ensemble mobile (3) comporte un passage de sortie du produit et un obturateur (42) agencé pour obturer ce passage lorsque le volume de la chambre de pompage augmente et pour libérer ce passage lorsque le volume de la chambre de pompage diminue et que la pression du produit dans la chambre de pompage atteint une valeur prédéfinie.Pump according to any one of the preceding claims, characterized in that the moving assembly (3) comprises an outlet passage of the product and a shutter (42) arranged to close this passage when the volume of the pumping chamber increases and to release this passage when the volume of the pumping chamber decreases and the pressure of the product in the pumping chamber reaches a predefined value. Pompe selon la revendication précédente, caractérisée par le fait que l'ensemble mobile comporte un espace intérieur (35) dans lequel débouche le passage de sortie du produit et dans lequel est disposé l'obturateur (42).Pump according to the preceding claim, characterized in that the movable assembly comprises an inner space (35) into which the substance outlet passage and wherein is disposed the shutter (42). Pompe selon l'une des revendications 8 et 9, caractérisée par le fait que l'obturateur comporte un corps tubulaire (43) fermé à son extrémité supérieure par une portion sensiblement tronconique (44), apte à obturer le passage de sortie du produit.Pump according to one of claims 8 and 9, characterized in that the shutter comprises a tubular body (43) closed at its upper end by a substantially frustoconical portion (44), able to close the outlet passage of the product. Pompe selon la revendication précédente, caractérisée par le fait que l'obturateur comporte en outre une lèvre annulaire (46), à l'extérieur du corps tubulaire, apte à venir s'appliquer sur une paroi délimitant l'espace intérieur (35), cette lèvre annulaire, lorsque la pompe est observée tête en haut, présentant une forme sensiblement tronconique divergeant vers le haut et se situant en dessous du ou des passages (36) faisant communiquer l'espace intérieur (35) avec la chambre de pompage. Pump according to the preceding claim, characterized in that the shutter further comprises an annular lip (46), outside the tubular body, adapted to be applied on a wall defining the interior space (35), this annular lip, when the pump is viewed upside down, having a substantially frustoconical shape diverging upward and located below the passage or passages (36) communicating the interior space (35) with the pumping chamber. Pompe selon l'une quelconque des revendications 9 à 11, caractérisée par le fait que l'obturateur est rappelé dans sa position d'obturation par un élément de rappel élastique (45) disposé dans l'espace intérieur (35), l'élément de rappel élastique étant de préférence un ressort hélicoïdal travaillant en compression.Pump according to any one of claims 9 to 11, characterized in that the shutter is returned to its closed position by an elastic return element (45) arranged in the interior space (35), the element resilient return member being preferably a helical spring working in compression. Pompe selon l'une quelconque des revendications précédentes, caractérisée par le fait qu'elle comporte un élément de rappel élastique (34) apte à rappeler l'ensemble mobile dans sa position de repos.Pump according to any one of the preceding claims, characterized in that it comprises an elastic return element (34) adapted to return the movable assembly in its rest position. Pompe selon la revendication précédente, caractérisée par le fait que l'élément de rappel élastique (34) est disposé dans la chambre de pompage (17).Pump according to the preceding claim, characterized in that the elastic return element (34) is arranged in the pumping chamber (17). Pompe selon l'une quelconque des revendications précédentes, caractérisée par le fait que le corps de pompe (16) est agencé pour permettre la fixation d'un tube plongeur (19).Pump according to any one of the preceding claims, characterized in that the pump body (16) is arranged to allow the attachment of a dip tube (19). Pompe selon la revendication précédente, comportant un clapet d'aspiration (20) se fermant lorsque le volume de la chambre de pompage diminue et s'ouvrant lorsque le volume de la chambre de pompage augmente, caractérisée par le fait que ce clapet est disposé de manière à permettre l'alimentation de la chambre de pompage en produit par l'intermédiaire du tube plongeur lorsque la pompe est utilisée tête en haut.Pump according to the preceding claim, comprising a suction valve (20) closing when the volume of the pumping chamber decreases and opens when the volume of the pumping chamber increases, characterized in that the valve is disposed of so as to allow the supply of the pump chamber product through the dip tube when the pump is used upside down. Récipient équipé d'une pompe selon l'une quelconque des revendications précédentes.Container equipped with a pump according to any one of the claims preceding.
EP04290938A 2003-04-11 2004-04-08 Pump to spray a product in different positions and container therefor Expired - Lifetime EP1466669B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05023001A EP1616632B1 (en) 2003-04-11 2004-04-08 Pump to spray a product in different positions and container therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0304591A FR2853697B1 (en) 2003-04-11 2003-04-11 PUMP AND CONTAINER THUS EQUIPPED
FR0304591 2003-04-11

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP05023001A Division EP1616632B1 (en) 2003-04-11 2004-04-08 Pump to spray a product in different positions and container therefor

Publications (2)

Publication Number Publication Date
EP1466669A1 true EP1466669A1 (en) 2004-10-13
EP1466669B1 EP1466669B1 (en) 2006-02-01

Family

ID=32865431

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05023001A Expired - Lifetime EP1616632B1 (en) 2003-04-11 2004-04-08 Pump to spray a product in different positions and container therefor
EP04290938A Expired - Lifetime EP1466669B1 (en) 2003-04-11 2004-04-08 Pump to spray a product in different positions and container therefor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP05023001A Expired - Lifetime EP1616632B1 (en) 2003-04-11 2004-04-08 Pump to spray a product in different positions and container therefor

Country Status (8)

Country Link
EP (2) EP1616632B1 (en)
JP (2) JP4106352B2 (en)
CN (1) CN1302968C (en)
AT (2) ATE538877T1 (en)
BR (1) BRPI0401658B1 (en)
DE (1) DE602004000369T2 (en)
ES (2) ES2257726T3 (en)
FR (1) FR2853697B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2913731A1 (en) * 2007-03-12 2008-09-19 Valois Sas FLUID PRODUCT DELIVERY PUMP AND DISPENSER HAVING SUCH A PUMP
CN102092666A (en) * 2010-12-07 2011-06-15 黄瑞娟 a dispenser

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011005820A1 (en) * 2011-03-18 2012-09-20 Ing. Erich Pfeiffer Gmbh discharge
CN102161025B (en) * 2011-04-01 2013-04-03 余姚晟祺塑业有限公司 Pressing type atomizer capable of being inversely used
CN103708093B (en) * 2013-12-13 2016-08-17 中山市美捷时包装制品有限公司 A kind of dual spring emulsion pumps
CN107458746B (en) * 2016-06-06 2020-08-11 丁要武 Anti-overflow emulsion pump

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US4174790A (en) * 1977-05-12 1979-11-20 Yoshino Kogyosho Co., Ltd. Sprayer usable in both erect and inverted states
FR2528122A1 (en) * 1982-06-04 1983-12-09 Valois Sa Atomiser operable in all positions - has compression chamber with gravity operated valve
US5622286A (en) * 1994-01-28 1997-04-22 L'oreal Manually actuated dispensing unit for spraying a liquid in the form of droplets in a virtually continuous manner

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US580948A (en) * 1897-04-20 montgomerie
JPS4712739Y1 (en) * 1968-08-06 1972-05-11
IT1038354B (en) * 1975-05-22 1979-11-20 Coster Tecnologie Speciali Spa PUMPING ACTION NEBULIZER DISPENSER DEVICE
JPS6031552B2 (en) * 1975-08-23 1985-07-23 博 近藤 Spring pressure accumulator spray pump
JPS52106612U (en) * 1977-02-15 1977-08-13
ES2011140A6 (en) * 1988-10-10 1989-12-16 Monturas Sa A spray pump.
JP2002273278A (en) * 2001-03-21 2002-09-24 Yoshino Kogyosho Co Ltd Accumulation type liquid ejector made of synthetic resin

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Publication number Priority date Publication date Assignee Title
US4174790A (en) * 1977-05-12 1979-11-20 Yoshino Kogyosho Co., Ltd. Sprayer usable in both erect and inverted states
FR2528122A1 (en) * 1982-06-04 1983-12-09 Valois Sa Atomiser operable in all positions - has compression chamber with gravity operated valve
US5622286A (en) * 1994-01-28 1997-04-22 L'oreal Manually actuated dispensing unit for spraying a liquid in the form of droplets in a virtually continuous manner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2913731A1 (en) * 2007-03-12 2008-09-19 Valois Sas FLUID PRODUCT DELIVERY PUMP AND DISPENSER HAVING SUCH A PUMP
WO2008129187A1 (en) * 2007-03-12 2008-10-30 Valois Sas Pump for dispensing liquid product and dispenser comprising such pump
US8292130B2 (en) 2007-03-12 2012-10-23 Aptar France Sas Pump for distributing liquid product and dispenser comprising such a pump
CN102092666A (en) * 2010-12-07 2011-06-15 黄瑞娟 a dispenser

Also Published As

Publication number Publication date
BRPI0401658A (en) 2005-01-18
JP2008133828A (en) 2008-06-12
JP4106352B2 (en) 2008-06-25
EP1616632A3 (en) 2011-02-16
FR2853697B1 (en) 2006-07-28
JP5095357B2 (en) 2012-12-12
JP2004316652A (en) 2004-11-11
ATE316826T1 (en) 2006-02-15
DE602004000369D1 (en) 2006-04-13
CN1535901A (en) 2004-10-13
ATE538877T1 (en) 2012-01-15
ES2379176T3 (en) 2012-04-23
DE602004000369T2 (en) 2006-10-12
EP1466669B1 (en) 2006-02-01
CN1302968C (en) 2007-03-07
BRPI0401658B1 (en) 2016-12-27
FR2853697A1 (en) 2004-10-15
EP1616632B1 (en) 2011-12-28
EP1616632A2 (en) 2006-01-18
ES2257726T3 (en) 2006-08-01

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