EP2885084A1 - Tête de distribution pour un distributeur ainsi que distributeur comportant une telle tête de distribution - Google Patents

Tête de distribution pour un distributeur ainsi que distributeur comportant une telle tête de distribution

Info

Publication number
EP2885084A1
EP2885084A1 EP13739421.9A EP13739421A EP2885084A1 EP 2885084 A1 EP2885084 A1 EP 2885084A1 EP 13739421 A EP13739421 A EP 13739421A EP 2885084 A1 EP2885084 A1 EP 2885084A1
Authority
EP
European Patent Office
Prior art keywords
reservoir
discharge head
housing
actuating handle
plastics
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
EP13739421.9A
Other languages
German (de)
English (en)
Other versions
EP2885084B1 (fr
Inventor
Thomas Bruder
Tobias Baumann
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 Radolfzell GmbH
Original Assignee
Aptar Radolfzell GmbH
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 Radolfzell GmbH filed Critical Aptar Radolfzell GmbH
Publication of EP2885084A1 publication Critical patent/EP2885084A1/fr
Application granted granted Critical
Publication of EP2885084B1 publication Critical patent/EP2885084B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on 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
    • 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
    • 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
    • B05B11/0008—Sealing or attachment arrangements between sprayer and 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
    • B05B11/1004—Piston pumps comprising a movable cylinder and a stationary piston
    • 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
    • B05B11/1043—Sealing or attachment arrangements between pump and 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
    • B05B11/1042—Components or details
    • B05B11/1064—Pump inlet and outlet valve elements integrally formed of a deformable material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material
    • 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
    • B05B11/1015—Piston pumps actuated without substantial movement of the nozzle in the direction of the pressure stroke

Definitions

  • Dispensing head for a dispenser and a dispenser with such
  • a generic discharge head comprises a housing with a coupling device for coupling to a reservoir, which serves to receive a liquid or pasty medium, an inlet opening facing the reservoir and a discharge opening for discharging the medium into a surrounding atmosphere, a conveying device for conveying the medium from the Inlet opening to the discharge opening and an actuating handle for actuating the conveyor, which is manually movable relative to the housing.
  • Such discharge heads and dispensers with such discharge heads are well known in the art. They are used for dispensing pharmaceutical media. In particular, they are also used to deliver cosmetic creams, lotions and other cosmetic media.
  • Known generic discharge heads usually have many individual components that are assembled during an assembly process. This leads to a complicated and costly installation depending on the complexity of the discharge head. Task and solution
  • the object of the invention is to provide a discharge head, the high reliability with a simple form of Production connects.
  • the task is also to provide a dispenser with such a discharge head available.
  • a discharge head has a one-piece sealing and valve device, which has a sealing ring area and a vent valve, wherein the sealing ring area is arranged on the discharge head, that he sealing the coupling to the reservoir at the reservoir, in particular on a Outlet opening of the reservoir surrounding the end face, is applied, and the vent valve is formed by an opening in the one-piece sealing and valve device, which is closed only at negative pressure on the side of the reservoir by elastic deformation of the sealing and valve device.
  • a discharge head in the sense of these and further variants of the invention is that part of a dispenser which is coupled to the preferably bottle-like reservoir in order to allow the metered discharge of the medium stored in the reservoir.
  • the housing of the discharge head is that part which provides at least the coupling device, by means of which the discharge head is connected to the reservoir.
  • the coupling means of the housing surrounds at least said inlet opening, for example a nozzle intended for attachment of a riser tube, which serves the purpose of guiding medium out of the reservoir for the purpose of discharging into the discharge head.
  • the discharge head comprises the said conveyor, which may be formed, for example, as a piston pump. Actuates the conveyor by means of the actuating handle, the head against the housing and thus at least with respect to the coupling device of the discharge, it is movable and serves the purpose by manual Applying a force caused by the conveyor discharge process to effect.
  • a single component which may consist of a single plastic, but could also be made of multi-component injection molding (overmolding), performs two functions and is arranged according to these functions on the discharge head.
  • the component has a sealing ring region, which has approximately the shape of a sealing ring, and is arranged between a housing of the discharge head and the reservoir.
  • the sealing ring area assumes the same functions as a conventional sealing ring.
  • one-piece part of the sealing and valve means is a vent valve, which is completely formed by the sealing and valve means and for this purpose has an opening in the same, which by the shape of the sealing and valve device in the event of overpressure in the reservoir or a substantially identical pressure is kept closed on both sides of the valve and opens at negative pressure in the reservoir.
  • a separate component to the housing is provided as a sealing and valve device, which must be coupled during assembly with other parts of the discharge head and in particular the housing. Since only a single component is required for this, which takes over both the function of a sealing ring and the function of a ventilation valve, the assembly is easier compared to conventional discharge heads. In particular, since soft and elastic plastics are advantageous for both functions, the assembly process can be facilitated without significant disadvantages.
  • the Housing is made as a one-piece injection molded part of at least two plastics of different properties.
  • the coupling device consists of a first of said plastics and another portion of the housing of the second of the two plastics.
  • the said other portion of the housing may be a sealing ring which surrounds the inlet opening and is arranged such that it rests sealingly on the reservoir after the reservoir has been coupled to the discharge head.
  • the section made of the second plastic can form a vent valve with a pressure-dependent opening, preferably a slot-shaped opening, through which ambient air from the surrounding atmosphere can flow into the reservoir. If the discharge head has a one-piece sealing and valve device, this sealing and valve device is formed by the section made of the second plastic in eienr embodiment.
  • the housing is constructed as a plastic component of at least two plastics. It is a one-piece component, the different sections of different plastics are materially interconnected, in particular by means of the manufacturing technique of multi-component injection molding (overmolding).
  • the coupling device and preferably also the remainder of the housing, in particular its outer surfaces, consists of the first plastic, which in particular is preferably comparatively hard and / or has a high modulus of elasticity.
  • a sealing ring is produced which surrounds the inlet opening is part of the housing and thus directly after the coupling of the discharge head to a reservoir the desired Achieved sealing, which is achieved in the transition area between the Reservoir and the discharge head no liquid can escape. This eliminates the sometimes difficult arrangement of a soft sealing ring between the discharge head and the preferably bottle-shaped reservoir during assembly.
  • vent valve which is also an integral part of the housing, made of the second of the two plastics.
  • This vent valve serves the purpose of allowing an inflow of ambient air through the discharge head into the reservoir. This inflow is necessary in order to prevent a negative pressure in the reservoir from developing as the medium discharges into the medium reservoir.
  • the attachment of such a ventilation valve as a separate component is problematic during assembly, so that its direct Anformung leads to the housing to a significant facilitation of the assembly process.
  • both for the sealing ring and for the venting valve still applies that they must be tight against surrounding components in order to fulfill their purpose. Due to the one-piece design with other parts of the housing, this is ensured in a particularly good manner. Thus, in the case of the sealing ring between this and other parts of the housing caused by improper mounting leakage can not be caused. In the case of the vent valve is effectively prevented that air can get past the valve in the bottle and in particular liquid can pass unintentionally into an environment through the corresponding ventilation duct. With regard to the ventilation valve and the sealing ring, the use of a soft and / or particularly elastic plastic is advantageous in the manner already mentioned. For this purpose, in particular TPE (thermoplastic elastomers) is suitable.
  • TPE thermoplastic elastomers
  • the coupling device and most other portions of a housing of a discharge head in particular the outer surfaces of the housing accessible to the end user, it is more important to their dimensional stability and the suitability for receiving the assembly forces.
  • These parts are therefore preferably made of a harder plastic, in particular polypropylene or HDPE (high density polyethylene).
  • the ventilation valve may be formed by a curved and preferably approximately bell-shaped surface, in which the opening is provided as a slot-shaped opening.
  • the two surface portions on both sides of the slot press the slot in a relaxed position and open only in the presence of the above-mentioned pressure conditions, ie the negative pressure in the reservoir.
  • the housing of the discharge head provides the coupling device by means of which the discharge head is connected to the reservoir.
  • this coupling device is designed as a latching coupling device, which is intended to be coupled to the reservoir by engaging a widening at the neck of the reservoir.
  • Another possibility of designing a coupling device is that of a threaded coupling device, which is designed to cooperate with a thread on a neck of the reservoir.
  • the housing preferably comprises further components in addition to the said coupling device, the sealing ring and the venting valve and / or a one-piece sealing and valve device.
  • part of the one-piece housing is preferably also a guide surface for guiding the actuating handle in relation to the housing and / or a cylinder surrounding the pumping chamber at least in sections, opposite to which a piston operatively coupled to the actuating handle is slidable.
  • the said additional components are preferably also made of the first of said plastics and thus preferably consist of the same material as the coupling device.
  • the guide surface is a surface of the housing on which the actuating handle is slidably guided. This is preferably made of the first plastic to effectively prevent deformation.
  • the cylinder, which together with the piston forms a volumetrically variable pumping chamber of the conveyor is preferably formed from the first plastic.
  • both the piston and the cylinder are formed by cylindrical walls which can be pushed into one another and abut against one another in an annular contact area. Which of these components is referred to as a cylinder and which as a piston, is irrelevant.
  • injection-molded part which consists of several plastics and forms the housing, additionally forms a return spring made of plastic.
  • This return spring serves to return the actuating handle in the direction of its initial position and / or the provision of a functionally coupled to the actuating handle, optionally integrally connected, a piston of a pumping chamber of the conveyor in the direction of enlargement of the pumping chamber.
  • the return spring is preferably made of the second mentioned plastic or of a third plastic, the other Has properties as the first two plastics mentioned.
  • a further simplified mounting is made possible by the direct molding of the return spring on the housing.
  • the discharge head has only two main components, namely the housing, which also includes a vent valve, the sealing ring and the spring in one piece, and an actuating handle coupled thereto.
  • the discharge head is designed such that the return spring is completely relaxed when the actuating handle or the piston is arranged in an end position. It has been shown that this complete relaxation of the restoring spring can avoid relaxation processes in the plastic of the spring, which with increasing aging of the discharge head can cause at least a changed haptic impression of the actuation or can impair the functionality of the discharge head. Even with a separate plastic spring, which is used in a generic or inventive discharge head, it is considered advantageous if this spring is relaxed in an end position of the piston or the actuating handle. This is especially true for discharge heads, in which due to a radial seal of the pumping chamber is no requirement, in a non-actuated rest position, the force of the piston permanently in the direction of the rest position.
  • the invention further relates, according to a third aspect, to a generic discharge head in which a one-piece component is provided, which is produced as an injection molded part from two plastics of different properties, this component comprising the actuating handle and / or a piston of the delivery device on the one hand and a spring acting between the actuating handle or the piston and the housing as a return spring on the other hand forms.
  • this component comprising the actuating handle and / or a piston of the delivery device on the one hand and a spring acting between the actuating handle or the piston and the housing as a return spring on the other hand forms.
  • the piston for cooperation with a cylinder of the conveyor of a first of the two plastics is made and the spring made of a second of the two plastics.
  • the first plastic is preferably a harder plastic with a higher modulus of elasticity and the second plastic is a softer plastic with a lower modulus of elasticity and good elastic properties.
  • the actuating handle and provided for resetting the actuating handle return spring are integrally formed with each other, which in turn allows easier installation, since the easily deformable and therefore difficult to handle spring during assembly does not need to be handled separately. Instead, there is a joint handling with the at least partially comparatively rigid actuating handle or the at least partially comparatively rigid piston.
  • the spring may be formed as a helical spring. However, it can also be designed as a closed bellows-like spring.
  • a particular advantage is obtained when the second of said plastics, of which at least the return spring is made, is also used on an outer surface of the actuating handle. This makes it possible to create a so-called soft-touch surface, which is perceived as particularly pleasant to the touch.
  • the provided on the inside of the actuating handle spring and provided on the outside of the actuating handle soft-touch surface are directly connected to each other, in particular by a made of the first plastic base body of the actuating handle has openings through which extends the second plastic. This facilitates the injection molding process, since the softer plastic must be supplied only in one place.
  • the invention further relates to a dispenser with a preferably bottle-like reservoir and a discharge head, wherein the discharge head is formed in the manner described.
  • Figures 1 and 2 a first embodiment of a discharge head according to the invention in a respective sectional view
  • Figure 3 shows a second embodiment of a discharge head according to the invention in a sectional view
  • Figure 4 shows a third embodiment of a discharge head according to the invention in a sectional view.
  • FIGS 1 and 2 show a first embodiment of a discharge head 10 according to the invention, which is provided for attachment to a liquid reservoir 8 indicated by dashed lines.
  • an inlet opening 22 is provided on the side of the housing 20 facing the liquid reservoir 8, which is provided with an attachment pipe for a riser provided neck is formed. From this, a liquid channel 24 extends into a pumping chamber 26, which is volumetrically variable by displacement of the actuating handle 80 relative to the housing 20. To form the pumping chamber, both the housing 20 and the actuating handle 80 in approximately cylindrical walls 28, 82 which bear radially sealingly against each other and form walls of the pumping chamber 26. To the pumping chamber 26, a discharge channel 30 connects, which opens into a discharge opening 32.
  • valve component 70 produced in two-component injection molding is provided on the housing 20, which valve module provides both an inlet valve 72 and an outlet valve 74.
  • the inlet valve 72 opens at negative pressure in the pumping chamber 26 with respect to the liquid reservoir 8.
  • the outlet valve 74 opens at overpressure in the pumping chamber with respect to a surrounding atmosphere.
  • a helical spring 90 is provided made of plastic, which can press the actuating handle and thus also the cylindrical surface 82 in the direction 2a, ie in the direction of its initial position.
  • This spring is designed so that it is completely relaxed in the unactuated state of Figs. 1 and 2, whereby relaxation processes are avoided in the material of the spring. Only upon actuation of the actuating handle 80, the spring 90 is elastically compressed.
  • That component 20 which forms the housing also forms, in particular, a coupling device 40 of this housing 20 in the form of an internal thread, by means of which the coupling of the discharge head 10 to the liquid reservoir 8 takes place.
  • an essential part of the one-piece housing 20 is a portion 50 surrounding the inlet socket 22, which is formed integrally with the other components of the housing 20, but at least compared to the coupling device 40 is made of a softer and more flexible plastic.
  • This section 50 performs two functions. First, it forms a voltage applied to the neck of the liquid reservoir 8 sealing ring portion 52 which is compressed by screwing the discharge head 10 to the liquid reservoir 8 and thereby avoids leakage of liquid in this transition region.
  • the section 50 forms a bell-shaped ventilation valve 54, which has a slot-like opening 54a.
  • This vent valve 54 serves the purpose of allowing the negative pressure in the reservoir, which is produced by the discharge of liquid, the subsequent flow of air. there prevents the valve 54 that the corresponding path of the air, which is illustrated by the dashed line 4 in the opposite direction unintentionally allows the escape of liquid. Only at negative pressure in the liquid reservoir 8, the vent valve 54 opens.
  • the housing 20 including the portion 50 is manufactured as a one-piece component from two different plastics in multi-component injection molding, in this case TPE for the section 50 and PP or HDPE for all other sections.
  • TPE multi-component injection molding
  • PP PP or HDPE for all other sections.
  • the discharge head 110 of FIG. 3 differs from the embodiment of FIGS. 1 and 2 in particular with regard to two aspects.
  • the portion 50 is not integrally connected to the housing 20 in this embodiment. Instead, it forms a separate component made of a uniform, soft plastic, in particular made of TPE, which is arranged in a downwardly open recess 20a of the housing 20 and is frictionally held here.
  • this section 50 again comprises both a sealing ring region 52 and a ventilation valve 54, each of which is constructed as shown in FIGS. 1 and 2.
  • the portion 50 is not an integral part of the housing 20, the integration of the sealing ring and the vent valve in a component can achieve a substantial simplification of the assembly. Nevertheless, of course, in the embodiment of FIG. 2, a cohesive integral of the housing 20 and the portion 50 may be provided.
  • the return spring 92 and the actuating handle 80 are provided as a common one-piece component. These are also produced in the manner already described by two-component injection molding. While the cylindrical outer wall 84 and the conveying means associated cylindrical wall 82 and a cylindrical walls 82, 84 connecting end face 86 made of a hard plastic, in particular PP or HDPE exist, the present purely exemplary belgesturned return spring 92 made of a softer and formed for a provision well suited plastic, in this case for example from LDPE. By merging in a common component, the assembly of the actuating handle 80 with the integrally formed return spring 92 is facilitated.
  • a particular advantage results from the fact that the material of the return spring 92 is also used on an outer side 88 of the actuating handle 80. This outer side 88 is directly connected via openings in the end face 86 with the return spring 92. By using the soft, elastic material also on the outside 88 a very pleasant haptic impression is conveyed during the operation.
  • the entire discharge head 1 10 of Figure 3 thus consists of only four components to be assembled during assembly, namely the housing 20, the sealing and valve portion 50, the valve unit 70 and the actuating handle 80 with integrally formed return spring 92nd
  • the spring 94 is also not formed as a separate component. Notwithstanding the embodiment of Figure 3, however, it is not designed as a one-piece component with the actuating handle 80, but instead as well as the sealing and valve portion 50 also integrally formed on the housing 20.
  • apertures 34a are provided in a transverse wall 34 of the housing 20 facing the liquid reservoir 8, through which the softer material of the sealing ring and valve unit 50 extends into the region of the return spring 94 and forms the same there.
  • the discharge head 210 of Figure 4 is adapted to be assembled during assembly of only three separate components: the housing 20 integrally formed by multi-component injection molding sealing and valve portion 50 and the likewise integrally molded spring 94, the valve unit 70 and the actuating handle 80.

Landscapes

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

Abstract

L'invention concerne une tête de distribution destinée à être couplée à un réservoir. On connaît une tête de distribution (10; 210) laquelle est destinée à être couplée à un réservoir (8) et laquelle permet ainsi de distribuer des milieux liquides ou pâteux contenus dans le réservoir (8) et laquelle comporte un boîtier (20) pourvu d'un dispositif de couplage (40) destiné réaliser le couplage au réservoir (8), d'une entrée (22) tournée vers le réservoir et d'une sortie (32) permettant de distribuer ledit milieu dans une atmosphère environnante, d'un dispositif de transport (26, 70) destiné à transporter le milieu depuis de l'entrée (22) vers la sortie (32), et d'un organe d'actionnement manuel (80) qui est destiné à actionner le dispositif de transport (26, 70) et qui peut être déplacé manuellement par rapport au boîtier (20). Selon un aspect principal du présent document, le boîtier (20) est réalisé sous forme une pièce unique obtenue par moulage par injection en mettant en œuvre au moins deux matières plastiques aux propriétés différentes, le dispositif de couplage (40) étant constitué d'une première desdites deux matières plastiques alors qu'un joint annulaire (52), lequel entoure l'entrée (22) et lequel est disposé de manière à ce qu'il vienne épouser le réservoir (8) en faisant l'étanchéité une fois ce dernier couplé à la tête de distribution (10; 210), et/ou une soupape d'aération (54), laquelle comporte un passage (54a) s'ouvrant en fonction de la pression et laquelle permet à l'air ambiant de s'écouler depuis l'atmosphère environnante dans le réservoir (8), est/sont constitué(s) du deuxième desdites deux matières plastiques.
EP13739421.9A 2012-08-20 2013-07-18 Tête de distribution pour un distributeur ainsi que distributeur comportant une telle tête de distribution Active EP2885084B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012214789.6A DE102012214789A1 (de) 2012-08-20 2012-08-20 Austragkopf für einen Spender sowie einen Spender mit einem solchen Austragkopf
PCT/EP2013/065178 WO2014029568A1 (fr) 2012-08-20 2013-07-18 Tête de distribution pour un distributeur ainsi que distributeur comportant une telle tête de distribution

Publications (2)

Publication Number Publication Date
EP2885084A1 true EP2885084A1 (fr) 2015-06-24
EP2885084B1 EP2885084B1 (fr) 2020-12-02

Family

ID=48808344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13739421.9A Active EP2885084B1 (fr) 2012-08-20 2013-07-18 Tête de distribution pour un distributeur ainsi que distributeur comportant une telle tête de distribution

Country Status (6)

Country Link
US (1) US9468941B2 (fr)
EP (1) EP2885084B1 (fr)
KR (1) KR102164249B1 (fr)
CN (1) CN104684654B (fr)
DE (1) DE102012214789A1 (fr)
WO (1) WO2014029568A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013214231B3 (de) * 2013-07-19 2014-11-06 Aptar Radolfzell Gmbh Austragkopf und Spender für ein vorzugsweise pastöses Medium
US9846066B2 (en) * 2015-07-24 2017-12-19 Silgan Dispensing Systems Corporation Adjustable dosing dispensers and methods for using the same
CA2999370A1 (fr) * 2015-09-25 2017-03-30 Sca Hygiene Products Ab Pompe pourvue d'une combinaison de ressort et de soupape
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Also Published As

Publication number Publication date
EP2885084B1 (fr) 2020-12-02
WO2014029568A1 (fr) 2014-02-27
DE102012214789A1 (de) 2014-05-22
KR102164249B1 (ko) 2020-10-12
KR20150043362A (ko) 2015-04-22
CN104684654A (zh) 2015-06-03
US20150202644A1 (en) 2015-07-23
US9468941B2 (en) 2016-10-18
CN104684654B (zh) 2017-08-15

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