EP2874757B1 - Flüssigproduktspender - Google Patents

Flüssigproduktspender Download PDF

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Publication number
EP2874757B1
EP2874757B1 EP13758907.3A EP13758907A EP2874757B1 EP 2874757 B1 EP2874757 B1 EP 2874757B1 EP 13758907 A EP13758907 A EP 13758907A EP 2874757 B1 EP2874757 B1 EP 2874757B1
Authority
EP
European Patent Office
Prior art keywords
pump
fluid product
intermediate space
fluid
dispenser 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.)
Active
Application number
EP13758907.3A
Other languages
English (en)
French (fr)
Other versions
EP2874757A1 (de
Inventor
Alex Milian
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.)
Aptar France SAS
Original Assignee
Aptar France SAS
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 Aptar France SAS filed Critical Aptar France SAS
Publication of EP2874757A1 publication Critical patent/EP2874757A1/de
Application granted granted Critical
Publication of EP2874757B1 publication Critical patent/EP2874757B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B11/01—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
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
    • B05B11/1025—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem a spring urging the outlet valve in its closed 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
    • B05B11/01—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
    • B05B11/1066—Pump inlet valves
    • B05B11/107—Gate valves; Sliding valves
    • 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

Definitions

  • the present invention relates to a pump intended to be associated with a fluid reservoir to thereby constitute a fluid dispenser.
  • the pump comprises a pump body defining a lower end, an upper end and a main section which connects the two ends.
  • the pump also comprises an actuating rod. axially displaceable back and forth in the pump body, and a pump chamber. This is a quite classic and general design for a pump, especially in the fields of perfumery, cosmetics or even pharmacy.
  • such a pump is provided with a fluid inlet at its lower end. It is also known to connect a dip tube at the fluid inlet fluid to collect fluid at the bottom of the fluid reservoir.
  • the dip tube is not a particularly aesthetic element, and it has already been sought in the prior art means to do without.
  • EP-0 626 321 which describes a pump without a dip tube, but which instead comprises a small cup mounted on the fluid product inlet of the pump. The small cup has a closed bottom and flexible legs that flare upward and outward under the neck of the tank. To fill the retention cup, it is necessary to tilt or reverse the dispenser so that the fluid stored in the reservoir reaches the cup level and fills.
  • EP-0 626 321 shows still other embodiments, but all implement an attached retention element that fits either on the pump or on the tank.
  • the documents EP-1 095 570 , EP-1 172 151 , EP-1 208 916 , EP-1,316,366 and FR-2 828 480 describe other types of retention elements for feeding the fluid product inlet of the pump at its lower end.
  • all the known retention elements are in the form of a buffer tank constituted by a separate part associated with the pump or the reservoir.
  • the general object of the present invention is to dispense with a dip tube as in the abovementioned documents of the prior art, with the particular object of dispensing with retention elements in the form of an additional piece attached to the pump. or on the tank.
  • pumps are also known whose fluid product inlet which is located laterally and not axially at the lower end of the pump body.
  • the documents GB2406330 , EP1380351 and DE3122330 describe pumps of this type. These pumps require a particular arrangement of the dispenser so that the lateral inlet is fed with fluid product.
  • the lateral inlet can be fed directly with fluid product stored in this intermediate space.
  • the intermediate space may for example be formed by a cylindrical ring whose thickness makes it possible to retain the fluid product by capillarity.
  • the configuration of the intermediate space may also be in the form of ribs or grooves capable of promoting the retention of the fluid product.
  • the intermediate space is at least partially filled with means for retaining fluid.
  • the retention means may for example be in the form of a porous open cell material capable of imbibing or imbibing very quickly and easily fluid product.
  • the tank is provided with supply means for supplying the intermediate fluid space of the tank against the gravity.
  • supply means may for example be in the form of a drain or a wick which soaks in the fluid stored in the reservoir and which makes it possible to raise the fluid product into the intermediate space at against gravity.
  • feed means in the form of a material or a surface treatment making it possible, for example, to produce a spontaneous condensation effect or a rise in fluid product by coating the internal surfaces of the tank.
  • the dispenser can be arranged only lying down or upside down, so that the intermediate space is always fed at rest with the fluid stored in the tank.
  • the lateral inlet is located substantially midway between the two ends of the pump body. However, it is not excluded that the side entrance is located near one of the two ends.
  • the main section internally defines a sliding shaft for a piston integral with the actuating rod, the lateral inlet opening into the inside of the pump body. at the level of the sliding shaft.
  • the lateral inlet is located on the stroke of the piston so that it is at times located in the pump chamber, and at other times outside the pump chamber.
  • the lateral inlet opens into the sliding shaft just below the piston in the rest position.
  • the side entrance is immediately separated from the pump chamber as soon as one begins to move the piston by pushing the actuating rod into the body.
  • the pressure is released on the actuating rod, an increasing depression is created inside the pump chamber until the piston passes again in front of the lateral inlet, thus allowing the fluid product to refill the pump chamber.
  • the inlet communicates with the environment when the piston is located below the lateral inlet, which then fills a venting function allowing outside air to enter the environment.
  • the reservoir is a dual function, namely that of filling the pump chamber, and that of venting the reservoir.
  • the piston slides on the actuating rod so as to form between them an outlet valve.
  • the main section comprising externally fluid fluid retention means near the lateral inlet. These retention means may for example be formed by the pump body or fixed on the pump body.
  • this pump makes it possible to produce a dispenser as defined above which does not comprise a dip tube or an attached retention element.
  • the spirit of the invention resides in the fact of using a pump for lateral fluid product entry, and arranging this pump in a reservoir whose neck forms an intermediate space between the pump body and the neck, in such a way that the intermediate space can serve as a buffer fluid reservoir in which the fluid inlet can draw on each actuation of the pump.
  • the dispenser essentially comprises two constituent elements, namely a fluid reservoir R and a pump P which is mounted on the reservoir in a fixed and sealed manner so as to constitute together a fluid dispenser, such as is used in the areas of perfumery, cosmetics or pharmacy.
  • the fluid reservoir R may be of a quite conventional or conventional type. It includes an R1 collar that can define a narrowed opening.
  • the outer wall of the neck can define a conventional fastening profile for fixing the pump.
  • the inner wall R2 of the neck R1 has a substantially or generally cylindrical configuration. Alternatively, the inner wall R2 may be structured to increase its retention capacity. Below this inner wall R2, the tank may flare outward, or extend in the extension of the neck.
  • the particular shape of the tank is not critical for the present invention.
  • the tank R may be made of any suitable material such as glass, plastic, sol-gel, etc.
  • the tank R is transparent, so that part of the pump is visible through the tank. It is partially filled with fluid product L.
  • the pump P comprises a pump body 1, an actuating rod 2, a piston 3, a return spring 4, a precompression spring 5, a fixing ring 6, a neck seal 7 and a pusher 8.
  • pre-compression spring 5, the fixing ring 6 and the neck joint 7 may be optional elements.
  • the pump body 1 comprises a closed lower end 11, an upper end 12 which is widely open and a main section, which is here cylindrical, which connects the two ends 11 and 12.
  • the main section 13 may have other configurations such as for example storied or partially frustoconical.
  • the main section 13 internally defines a slide shaft 14 which is perfectly cylindrical.
  • the main section 13 is also provided with one or more lateral inlet (s) 15 which passes (s) the wall thickness of the pump body from its outer wall 16 to the barrel 14.
  • lateral inlet (s) 15 which passes (s) the wall thickness of the pump body from its outer wall 16 to the barrel 14.
  • the actuating rod 2 may be of a quite conventional design with a portion extending inside the body and another portion extending outside the body.
  • the actuating rod 2 may for example be made in two pieces attached to one another.
  • the actuating rod 2 is biased in the rest position shown on the figure 1 by a return spring 1 which bears on the closed lower end 11 of the pump body 1.
  • the piston 3 is slidably mounted on the actuating rod 2 so as to define between them a fluid outlet valve. This valve is biased in the closed position by a precompression spring 5.
  • the fixing ring 6 is here in the form of a crimp capsule. This capsule is engaged with the upper end 12 of the pump body and also engages the external wall of the neck R1, in order to achieve a stable and compression-tight attachment of the neck seal 7 disposed on the upper edge of the neck R1.
  • the crimp ring 6 extends above the upper end 12 to define a stop element in rest position.
  • the pusher 8 is mounted on the free end of the actuating rod 2 and comprises an internal channel which leads to a dispensing orifice 80 which may be a nozzle. To actuate the pusher 8, there is provided a bearing surface 82 which allows the user to push the actuating rod 2 inside the pump body 1.
  • the actuating rod 2, the piston 3, the return spring 4, the precompression spring 5, the fixing ring 6 and the neck seal 7 can be of any design. classic and conventional.
  • the piston 3 comprises a piston lip 31 intended to slide in a sealed manner inside the sliding shaft 14.
  • the fluid product inlets 15 are arranged just below the lip 31 of the piston 3 in the rest position. In this position, the fluid product inlets 15 communicate directly with the pump chamber C defined by the pump body 1, the actuating rod 2 and the piston 3.
  • the pump of the invention is without specific inlet flap. Nevertheless, as soon as the actuating rod 2 is depressed by pressing on the pusher 8, the lip 31 slides in the drum 13 and passes over and beyond the lateral openings 15. Therefore, the pump chamber It is isolated from the outside and no longer communicates with the tank.
  • the lateral openings 15 then communicate with the outside and the ambient air so that outside air can penetrate inside the tank through the lateral openings 15 when the piston 6 is located below the entrances 15.
  • the piston continues to descend into the barrel 13 and the fluid stored in the pump chamber C is pressurized to a predetermined threshold at which the inlet valve goes to open by displacement of the piston 6 relative to the actuating rod 2.
  • the pressurized fluid product is then forced back to through the rod and through the pusher to be sprayed or dispensed through the dispensing orifice 81.
  • the invention thus defines a closed bottom end pump with fluid side entry.
  • this pump is mounted in a neck 31 of tank R, an intermediate space E is defined between the outer wall 16 of the pump body and the inner wall R2 of the neck R1.
  • this intermediate space E serves as a buffer tank for supplying the lateral inlets 15 with a fluid product.
  • the fluid product L is retained inside the intermediate space E by any known physical phenomenon, such as, for example, capillarity or surface tension.
  • the intermediate space E may for example be in the form of a cylindrical ring whose thickness is designed to retain fluid L by pure capillarity.
  • the fluid product L can fill the entire intermediate space E from the neck joint 7 to the level where the inner wall R2 of the neck is too far away from the outer wall 16 of the pump body.
  • the intermediate space E is situated above the level of the fluid product L. To fill the intermediate space E, it is therefore necessary in a mode of use of tilting, overturning or shaking the dispenser as shown on the figure 2a , so that the fluid product L reaches the level of the intermediate space E. Thus, the intermediate space E will fill fluid and be maintained by capillarity. This is represented on the figure 2b . It can be seen that the intermediate space E is filled with fluid product L. It may also be noted that the side fluid fluid inlets 15 are located at the intermediate space E, so as to be directly fed with the fluid product retained by capillarity.
  • the pump P may be substantially identical or identical to that of the preceding figures.
  • the tank R may also be identical to that of the previous figures.
  • a first difference lies in the fact that the intermediate space E is partially, and advantageously completely, filled with an absorbent material E1, which thus constitutes fluid product retaining means.
  • This absorbent material may be rigid or deformable and includes open ports so as to form a network of internal cavities likely to be easily and quickly filled fluid.
  • Using such an absorbent material E1 can increase the thickness of the intermediate space E, so that one can use standard tanks. Indeed, it will suffice to adapt the dimensions of the absorbent material E1 to fill the intermediate space E. It is thus possible to make a specific pump P and mount it on standard tanks using sleeve models of absorbent material E1 of standard dimensions .
  • the absorbent material E1 will thus serve as a modular adapter between the specific pump P and the conventional tank R.
  • the tank R may be provided with a wick or drain R3 which extends over the height of the tank and which supplies the intermediate space E (possibly filled with an absorbent material E1) with the product fluid L stored in the tank.
  • This wick or drain R3 thus constitutes fluid supply means for supplying the intermediate space E fluid product from the tank R against the gravity.
  • the drain or the wick R3 may extend over part or all of the wall of the tank R.
  • the figure 4 shows a third embodiment of the invention in which the pump P can be substantially similar or identical to that of the previous embodiments, except at its outer wall 16.
  • the pump P can be substantially similar or identical to that of the previous embodiments, except at its outer wall 16.
  • it can be provided with protruding ribs 17 who can extend horizontally (or vertically) as shown on the figure 4 .
  • These ribs 17 serve as a fluid product retention means capable of holding a larger amount of fluid by capillarity than would be the case if the outer wall 16 was perfectly smooth.
  • the edges of the ribs 16 may extend to near or even in contact with the inner wall R2 of the tank neck.
  • the intermediate space E formed between the ribs 17 and the inner wall R2 may be filled with fluid product.
  • the inner wall of the tank may be coated with a material or a surface treatment R4 which allows, by a phenomenon of drainage, condensation or topping, to raise the fluid product up to the level of the intermediate space E .
  • the pump P has side fluid fluid inlets 15 which are located on the height of the intermediate space E defined between the inner wall R2 of the tank and the outer wall 16 of the pump body.
  • the lateral inlets 15 may be arranged at any height of the intermediate space E.
  • the lateral inlets 15 are disposed midway between the two ends 11 and 12 of the pump body.
  • the intermediate space E can be in the form of a substantially cylindrical annular, or be filled with an absorbent or porous material, or be structured with ribs or grooves formed at the pump body, or even of the inner wall of the tank.
  • a particular pump with lateral fluid product inlet which can be implemented in a standard tank so as to form a distributor without a dip tube and a fluid device attached to the pump or on the tank.

Landscapes

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

Claims (10)

  1. Spender für ein fluides Produkt, aufweisend:
    - einen Behälter für ein fluides Produkt (R), der einen Kragen (R1) ausbildet, und
    - eine Pumpe (P), die im Bereich des Kragens (R1) des Behälters (R) montiert ist, wobei die Pumpe (P) Folgendes aufweist:
    - ein Pumpengehäuse (1), das ein unteres Ende (11), ein oberes Ende (12) und einen Hauptabschnitt (13) definiert, der die beiden Enden (11, 12) miteinander verbindet, wobei das untere Ende (11) des Pumpengehäuses (1) geschlossen ist, wobei der Hauptabschnitt (13) mindestens einen seitlichen Eingang für fluides Produkt (15) in Verbindung mit einer Pumpenkammer (C) definiert, und
    - eine Betätigungsstange (2), die axial in dem Pumpengehäuse (1) hin- und her bewegbar ist,
    wobei der Hauptabschnitt (13) so in dem Kragen (R1) gelagert ist, dass zwischen diesen ein Zwischenraum (E) definiert wird, wobei sich der seitliche Eingang für fluides Produkt (15) an dem Zwischenraum oder in der Nähe des Zwischenraums (E) befindet,
    dadurch gekennzeichnet, dass die Konfiguration des Zwischenraums (E) dazu geeignet ist, dort durch Kapillarwirkung fluides Produkt zu halten.
  2. Spender nach Anspruch 1, wobei der Zwischenraum (E) zumindest teilweise mit Haltemitteln für fluides Produkt (E1) gefüllt ist.
  3. Spender nach Anspruch 1 oder 2, wobei der Behälter (E) mit Versorgungsmitteln (R3; R4) versehen ist, um den Zwischenraum (E) gegen die Schwerkraft mit fluidem Produkt des Behälters (R) zu versorgen.
  4. Spender nach einem der Ansprüche 1 bis 3, der nur liegend oder auf dem Kopf aufgestellt werden kann.
  5. Spender nach einem der vorhergehenden Ansprüche, wobei sich der seitliche Eingang (15) im Wesentlichen auf halber Strecke zwischen den beiden Enden (11, 12) des Pumpengehäuses (1) befindet.
  6. Spender nach einem der vorhergehenden Ansprüche, wobei der Hauptabschnitt (13) innen einen Gleitzylinder (14) für einen Kolben (3) definiert, der mit der Betätigungsstange (2) einstückig ausgebildet ist, wobei der seitliche Eingang (15) im Inneren des Pumpengehäuses (1) an dem Gleitzylinder (14) mündet.
  7. Spender nach Anspruch 6, wobei der seitliche Eingang (15) in dem Gleitzylinder (14) knapp unterhalb des Kolbens (3) in der Ruheposition mündet.
  8. Spender nach Anspruch 6 oder 7, wobei der seitliche Eingang (15) mit der Umgebung in Verbindung steht, wenn sich der Kolben (3) unterhalb des seitlichen Eingangs (15) befindet, der dann eine Lüftungsfunktion erfüllt, die es zulässt, dass Außenluft in den Behälter (R) eindringt.
  9. Spender nach Anspruch 6, 7 oder 8, wobei der Kolben (3) so auf der Betätigungsstange (2) gleitet, dass zwischen diesen eine Auslassklappe gebildet wird.
  10. Spender nach einem der vorhergehenden Ansprüche, wobei der Hauptabschnitt (13) außen Haltemittel für das fluide Produkt (17) in der Nähe des seitlichen Eingangs (15) aufweist.
EP13758907.3A 2012-07-19 2013-07-15 Flüssigproduktspender Active EP2874757B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1257013A FR2993483B1 (fr) 2012-07-19 2012-07-19 Pompe et distributeur de produit fluide comprenant une telle pompe.
PCT/FR2013/051689 WO2014013174A1 (fr) 2012-07-19 2013-07-15 Distributeur de produit fluide

Publications (2)

Publication Number Publication Date
EP2874757A1 EP2874757A1 (de) 2015-05-27
EP2874757B1 true EP2874757B1 (de) 2016-10-19

Family

ID=46826834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13758907.3A Active EP2874757B1 (de) 2012-07-19 2013-07-15 Flüssigproduktspender

Country Status (4)

Country Link
EP (1) EP2874757B1 (de)
ES (1) ES2607480T3 (de)
FR (1) FR2993483B1 (de)
WO (1) WO2014013174A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110709171A (zh) * 2017-05-05 2020-01-17 阿普塔尔法国简易股份公司 流体制品分配组件

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3033844B1 (fr) * 2015-03-20 2018-08-10 Aptar France Sas Pompe manuelle.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3122330A1 (de) * 1981-06-05 1983-01-05 Alfred Von 4178 Kevelaer Schuckmann Behaelter zur dosierbaren fluessigkeitsausgabe
DE10231749B4 (de) * 2002-07-13 2004-07-29 Aero Pump GmbH, Zerstäuberpumpen Saug-Druck-Pumpe zum Ausgeben einer Flüssigkeit aus einem Behältnis
FR2852934B1 (fr) * 2003-03-27 2005-12-23 Rexam Dispensing Sys Distributeur de produit comprenant une pompe a actionnement par poussoir
GB2406330B (en) * 2003-09-29 2005-12-07 Bespak Plc A dispensing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110709171A (zh) * 2017-05-05 2020-01-17 阿普塔尔法国简易股份公司 流体制品分配组件

Also Published As

Publication number Publication date
WO2014013174A1 (fr) 2014-01-23
FR2993483A1 (fr) 2014-01-24
EP2874757A1 (de) 2015-05-27
FR2993483B1 (fr) 2016-12-09
ES2607480T3 (es) 2017-03-31

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