EP2767346A2 - Dispenser for discharging liquids comprising a perforated plate nozzle - Google Patents
Dispenser for discharging liquids comprising a perforated plate nozzle Download PDFInfo
- Publication number
- EP2767346A2 EP2767346A2 EP20140153198 EP14153198A EP2767346A2 EP 2767346 A2 EP2767346 A2 EP 2767346A2 EP 20140153198 EP20140153198 EP 20140153198 EP 14153198 A EP14153198 A EP 14153198A EP 2767346 A2 EP2767346 A2 EP 2767346A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- discharge
- perforated plate
- discharge opening
- dispenser according
- dispenser
- 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
Links
- 239000007788 liquid Substances 0.000 title claims description 62
- 238000007599 discharging Methods 0.000 title description 2
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 description 10
- 230000003746 surface roughness Effects 0.000 description 6
- -1 polypropylene Polymers 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010013710 Drug interaction Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 150000001925 cycloalkenes Chemical class 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 210000005240 left ventricle Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003254 palate Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 210000005241 right ventricle Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/18—Roses; Shower heads
- B05B1/185—Roses; Shower heads characterised by their outlet element; Mounting arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/18—Roses; Shower heads
-
- 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
- B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
- B05B11/0064—Lift 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
- B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
- B05B11/0064—Lift valves
- B05B11/0067—Lift valves having a valve seat located downstream the valve element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/44—Valves specially adapted therefor; Regulating devices
- B65D83/48—Lift valves, e.g. operated by push action
Definitions
- the invention relates to a dispenser for dispensing liquids with a liquid storage, a discharge head with a perforated plate member having in a discharge opening at least 25 discharge, a the discharge openings of the perforated plate member upstream antechamber from which the discharge openings are fed and a connecting channel, which the liquid storage the antechamber connects.
- perforated plates for discharging liquids is known, in particular, from the field of such dispensers, which have a vibrating device, by means of which the liquid is pulsed in a metering chamber and is pressurized thereby being forced through the discharge openings.
- the result of such a discharge is a fine mist.
- a dispenser with such a perforated plate is for example from the EP 0 923 957 A1 known.
- the invention relates in particular to dispensers that are not equipped with electrical actuators such as vibration devices, but instead the fluid pressure for generating the dispensing either by the introduction of mechanical energy in the course of the operation relate or from the already existing upon delivery pressurization of the liquid in the liquid storage.
- the object of the invention is, with regard to dispensers, in particular with regard to non-electrically operated dispensers, to create a possibility of advantageously influencing their discharge characteristics, wherein in particular it is intended to enable dispensers of different discharge characteristics with a comparatively high number of matching components.
- this is achieved in that, in a dispenser of the type mentioned above, the discharge opening region is fastened in an edge region on the discharge head or a housing component of the discharge head and into a curved shape by means of a bulge body arranged in the prechamber and force-loading the discharge opening region is pressed.
- a liquid reservoir in which the liquid is present before the discharge.
- the liquid which is preferably a cosmetic or pharmaceutical liquid
- a pumping device is part of the dispenser, which allows pressurization to produce the desired discharge.
- liquid already pressurized may already be present in the liquid storage, which may be discharged to an environment by opening an exhaust valve.
- the liquid is dispensed through a discharge head which comprises said perforated plate member, which in turn provides the discharge openings.
- plastic component which may consist, for example, of polypropylene (PP), polyethylene (PE), polyoxymethylene (POM), polybutylene terephthalate (PBT) or cyclo-olefin copolymer (COC).
- PP polypropylene
- PE polyethylene
- POM polyoxymethylene
- PBT polybutylene terephthalate
- COC cyclo-olefin copolymer
- this component which is preferably produced by injection molding and which in particular preferably has a thickness between 0.1 mm and 1.5 mm, in particular between 0.2 mm and 0.8 mm, are the least 25 discharge openings provided. In particular, it is preferably a higher number of discharge openings, in particular preferably more than 50 discharge openings.
- the perforated plate component is attached to the edge of a housing of the discharge head or can also be integrally formed therewith.
- the discharge opening region of the perforated plate component is preferably flat in the unassembled state of this component. In the installed state, however, it is curved, this being achieved in that it is pressed by means of a arranged in the antechamber or the antechamber delimiting curvature body in the curved shape.
- the outward curvature makes it possible to create a divergent orientation of the single jet discharge jet. This is useful for a variety of applications, such as to be able to distribute the liquid over a large area, for example on the skin of a user.
- the divergent discharge characteristic can also be advantageous in special fields of application in which a plurality of areas are to be subjected to liquid in a targeted manner, as is the case, for example, in the case of a pharyngeal spray dispenser, where the patient's left and right ventricle on the left of the patient's palate is located to be able to reach with liquid.
- the embodiment of the dispenser according to the invention with a discharge opening region which is deformed in the assembled state relative to the non-assembled state also makes it possible, in particular, to start from identical undeformed perforated plate components to make a case by case adaptation to special fields of application, among other things, the degree of curvature is affected.
- the relative arrangement of the curvature body and the perforated plate member may be configured variable in the mounted state.
- the perforated plate component and the arched body are adapted to each other and optionally to a housing of the discharge head in such a way that they allow such a variable assembly relative position.
- the arching body or the perforated plate component could be fastened in one of a plurality of discrete positions on the respective other component or on the housing of the discharge head.
- an infinitely variable possibility of the variable spacing are given, for example, by the perforated plate member or the curvature body are designed for frictional attachment to the other component or on the housing of the discharge head.
- a housing which at least partially outer surfaces of the discharge head, at the same time in one piece is connected to the buckle body or the inner body.
- the said adjustability may, but need not, be limited to the time of manufacture, in particular of the assembly.
- Conceivable and depending on the application advantageous may also be a design in which the possibility of relative displacement of the perforated plate member, in particular its edge region, on the one hand and the arch body on the other hand the user or patient is possible.
- a curvature body displaceable by means of a thread could allow the degree of curvature of the discharge opening area to be adjusted on a case-by-case basis.
- a cover body can be provided on the inside of the discharge opening region, ie in the region of the prechamber, which has at least one closing surface, whereby by abutment of the at least one closing surface at least one of the discharge openings is closable or closed on an inner side of the discharge opening region.
- said body is called a covering body in this context.
- said body can be identical to the curvature body already described in realizing the aforementioned features of the invention.
- the peculiarity according to this aspect of the invention is that at least some of the discharge openings are closed by the covering body, at least when no pressurized liquid is present in the prechamber.
- this closing of at least one discharge opening can be a permanent state. This means that regardless of the liquid pressure in the antechamber, the discharge opening remains closed, and thus liquid is never flowed through under normal use of the dispenser. Other discharge openings, however, are not closed by closing openings and thus provided for the actual discharge of the liquid.
- a cover body could be designed such that it keeps the discharge openings free only in two spaced-apart areas of the discharge opening area, while the others are closed by it. It could thus be two separate beams or beams are generated, which are divergent discharged and therefore, for example, are well suited for the above-mentioned purpose of a Rachensprühspenders.
- the covering body In addition to the possibility of permanently closing discharge openings through the covering body, in that the covering body bears permanently on the inside of the perforated plate in the area of the discharge opening in question and independently of the liquid pressure during the discharge process, it is also possible to configure the covering body and to the perforated plate component as well as the intended purpose Adjust liquid pressures that when pressurizing the liquid, a separation of the closing surface takes place from the discharge, so that they then pass liquid as intended. With such a design, a kind of valve effect is achieved.
- the cover body prevents the ingress of contaminants with its closing surface, if the dispenser is not used. As soon as the dispenser is used, the closing body separates under the liquid pressure from the discharge opening area and allows the liquid to discharge.
- the separation of the closing body from the discharge opening area is preferably achieved by arching or displacing the discharge opening area under the impression of fluid pressure.
- the covering body permanently closes the discharge openings
- free areas such as grooves or depressions are preferably provided on the covering body at its side facing the discharge opening area, through which the liquid can reach the discharge openings which are not closed by the closing area.
- the cover body thus serves not only for the selective closing of discharge openings, but also for the formation of channels which serve to supply the non-closed discharge openings.
- the inflow of liquid can take place from the outside into a gap region between the discharge opening region and the covering body / inner body.
- the cover body itself is penetrated by an inflow channel, which allows, for example, the direct supply of liquid to be discharged in a central region of the discharge opening.
- a generic dispenser has an outlet valve which has two valve components, one of which a stationary to an outer housing of the discharge head Valve seat and the other is a contrast and movable together with the valve seat, the flow of liquid to the discharge openings controlling valve body, wherein one of the valve components is formed by the perforated plate member.
- valve components two as a whole against each other movable valve components are provided, one of which is the perforated plate member.
- These valve components are preferably pressed against each other by a spring means such as a helical spring, wherein they are matched to one another such that by fluid pressure a spacing of the valve components against the force of this spring means can be achieved. It can be provided that the liquid pressure required for the opening relative displacement is built up directly in the region in front of the discharge openings.
- an inflow control body is provided which, at least in the region of a discharge opening together with the perforated plate body defines an intermediate gap whose clear width does not exceed 0.3 mm, in particular preferably 0.1 mm.
- an extremely narrow gap is provided between the inflow control body and the at least one discharge opening, preferably all the discharge openings.
- the small width of less than 0.3 mm, particularly preferably less than 0.1 mm, has been found to be advantageous, since it allows to vary by varying the roughness of the surface of the inflow control body targeted the discharge characteristic.
- the clear width may be as small as 0 mm when using a rough-surface flow control body, so that the inflow control body is directly adjacent to the discharge port area.
- the surface roughness alone is sufficient to allow the flow of liquid to the discharge openings.
- a precise adjustment of the volume flow is possible by the targeted choice of the surface roughness R t .
- FIG. 1a to 1d show in various perspectives an apertured plate component 10 for use in dispensers according to the invention.
- This perforated plate component 10 represents in the embodiments shown below in the design according to Fig. 1a to 1d or similar designs according to Fig. 2a to 2c an insert which is mounted in the dispensing head of a dispenser.
- the perforated plate component is integrally formed with an outer housing of the discharge head.
- a perforated plate member 10 has a peripheral edge portion 12 with latching means 12a, which are provided for locking in a locking groove of the discharge head housing.
- the circumferential edge region 12 carries an inner region 14 of the perforated plate component spanning plate-like discharge opening 16, which is penetrated by a plurality of discharge openings 18.
- the perforated plate member 10 of the Fig. 1a to 1d via more than 300 discharge openings 18 which are arranged in a matrix-like manner.
- the thickness of the plate-like discharge opening area penetrated by the discharge openings is about 0.3 mm in the present case.
- the matrix-like arrangement of the discharge openings 18 can be easily seen.
- the discharge openings each have the shape of a negative truncated pyramid and thus taper from an inner side 16a to an outer side 16b of the discharge opening area 16.
- the discharge opening region 16 is arched in the mounted state of the dispenser.
- a deformation of the plastic discharge opening region takes place, which thereby starts from the unassembled state of the Fig. 1a is arched outwards.
- the second variant 110 of the perforated plate component which in the Fig. 2a and 2b has a change from the embodiment of the Fig. 1a to 1d , which is intended with regard to such a buckle.
- a pin 117 pointing towards the inside 116a is formed in one piece on the discharge opening region 116.
- Fig. 3a shows a dispenser 200 according to the invention using the perforated plate member 110 of Fig. 2a and 2b ,
- the illustrated dispenser 200 has a discharge head 202 which is connected in a manner not shown with a pumping device 203 or a supply valve 203 such that in response to a depression of the discharge head 202 in the direction 2a, a supply of liquid from the liquid storage by the connecting channel 204 passes through to the perforated plate member 110.
- an antechamber 220 Connected upstream of the perforated plate component 110 is an antechamber 220, in which an inner body 230 is arranged or which is bounded by this inner body 230.
- This inner body 230 largely fills the prechamber 220.
- it has a discharge opening region 116 indicative end face 232, which has a curvature.
- the pin 117 of the perforated plate member 110 is supported, so the Austragö Maschinens Scheme 116 is deformed and between the inside 116a of the Austragö Maschinens Symposium 116 and the end face 232 in the region of the Austragö Maschinens Kunststoffs 116 results in a gap approximately constant width. This has in the present case a width of about 0.2 mm.
- the discharge opening region 116 is curved so that a divergent orientation of the discharge openings 118 results. This leads to a spray, as in the enlarged view of the Fig. 3b is indicated.
- This spray consists of a variety of individual beams.
- Such a spray jet is suitable for the targeted application of liquid to a surface, for example on the skin of a user.
- the spray is perceived as very soft and pleasant due to the individual rays.
- the design of the Fig. 4 shows a very simple use of the perforated plate member 10 of Fig. 1a to 1d in a donor who is beyond the in Fig. 4 shown area the same structure as that of FIG. 3a can have.
- the perforated plate member 10 is not deformed in this embodiment.
- an inner component 330 is provided, which in an unspecified manner in an edge region 305 allows an inflow of liquid from the connecting channel 304 to the discharge opening region 16. In the edge region additional grooves may be provided for this purpose.
- the end surface 332 of the inner member 330 is positioned very close to the inner side 16 a of the discharge port portion 16. A clear gap between the inner side 16a and the end face 332 is only 0.1 mm.
- FIG. 5a to 5c again finds the perforated plate component of Fig. 1a to 1d Use.
- This works together with an inner component 430, which has a similar configuration to that of the inner component 230 of FIG Fig. 3a having.
- the inner component 430 also has an arched end face 432 which points in the direction of the discharge opening region 16 of the perforated plate component 10.
- the inner side 16a of the discharge opening region 16 lies flat against the end face 432 and therefore closes the discharge openings 18 in this idle state, in particular also against the ingress of contaminants.
- the Fig. 6a shows a variant of the dispenser or its discharge head, in which such a deformation of the Austragö Stamms Societys 16 is not provided. Instead, in the inner component 530 532 recessed open areas 534 are provided on the end face through which the liquid can selectively reach some of the discharge openings 18, while others are permanently blocked by the end face 532. This makes it possible to set a spray pattern on a case by case basis, which does not require different perforated plate components 10, but can be realized solely by means of different internal components.
- the Fig. 6b shows a variety of possible interior components.
- the inner component 630 a coincides with the inner component, which in the embodiments of FIGS Fig. 3 and 5 Use finds.
- the other internal components 630b to 630i lead to special spray patterns, since each of them covers some of the discharge openings 18 or otherwise influences the inflow of liquid.
- the inner component 630h penetrating channels 636h are provided, which supply the wells on a front side 632h and thus the discharge openings of the perforated plate member with liquid to be discharged. It is therefore not necessary to ensure that the liquid can pass laterally past the inner component to the discharge opening region 16.
- the representation of the inner component 630b is representative of the clarification of a particular surface roughness in the region of the end face.
- the surface on this end face of the component has a mean surface roughness R t between 10 .mu.m and 100 .mu.m, preferably between 20 .mu.m and 50 .mu.m.
- R t mean surface roughness
- a valve which can close the discharge openings 18 of the perforated plate unit 10.
- this valve comprises an inner body 730 displaceable in its entirety, which is subjected to a force of force in the direction of a closed position by means of a spring 738, which is supported on the housing of the discharge head. This is especially in Fig. 7c seen.
- the design of the Fig. 8a and 8b shows an alternative embodiment in which the perforated plate member and the valve body 830 adapted to each other have a gradation, through which a circumferential valve pressure chamber 834 is formed.
- the inflowing liquid initially collects in a discharge in this valve pressure chamber 834, but can not yet reach the discharge openings 18. Only when the valve body 830 has been displaced sufficiently far to the rear by the fluid pressure of the fluid in the valve pressure chamber 834, The liquid enters an intermediate region between the valve body and the discharge opening region of the perforated plate member 10 and is discharged therefrom.
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Nozzles (AREA)
Abstract
Description
Die Erfindung betrifft einen Spender zum Austrag von Flüssigkeiten mit einem Flüssigkeitsspeicher, einem Austragkopf mit einem Lochplattenbauteil, das in einem Austragöffnungsbereich mindestens 25 Austragöffnungen aufweist, einer den Austragöffnungen des Lochplattenbauteils vorgeschalteten Vorkammer, aus der die Austragöffnungen gespeist werden und einem Verbindungskanal, der den Flüssigkeitsspeicher mit der Vorkammer verbindet.The invention relates to a dispenser for dispensing liquids with a liquid storage, a discharge head with a perforated plate member having in a discharge opening at least 25 discharge, a the discharge openings of the perforated plate member upstream antechamber from which the discharge openings are fed and a connecting channel, which the liquid storage the antechamber connects.
Die Verwendung von Lochplatten zum Austrag von Flüssigkeiten ist insbesondere aus dem Bereich solcher Spender bekannt, die über eine Vibrationseinrichtung verfügen, mittels derer Flüssigkeit in einer Dosierkammer gepulst druckbeaufschlagt wird und hierdurch durch die Austragöffnungen hindurchgedrückt wird. Ergebnis eines solchen Austrags ist ein feiner Nebel. Ein Spender mit einer solchen Lochplatte ist beispielsweise aus der
Aufgabe der Erfindung ist es, in Hinblick auf Spender, insbesondere im Hinblick auf nicht elektrisch betriebenene Spender, eine Möglichkeit zu schaffen, deren Austragcharakteristik vorteilhaft zu beeinflussen, wobei insbesondere beabsichtigt ist, mit einer vergleichsweise hohen Zahl von übereinstimmenden Bauteilen Spender unterschiedlicher Austragcharakteristik zu ermöglichen.The object of the invention is, with regard to dispensers, in particular with regard to non-electrically operated dispensers, to create a possibility of advantageously influencing their discharge characteristics, wherein in particular it is intended to enable dispensers of different discharge characteristics with a comparatively high number of matching components.
Gemäß einem ersten Aspekt der Erfindung wird dies dadurch erreicht, dass bei einem Spender der eingangs genannten Art der Austragöffnungsbereich in einem Randbereich am Austragkopf bzw. einem Gehäusebauteil des Austragkopfes befestigt ist und mittels eines in der Vorkammer angeordneten und den Austragöffnungsbereich kraftbeaufschlagenden Wölbungskörpers in eine gewölbte Form gedrückt wird.According to a first aspect of the invention, this is achieved in that, in a dispenser of the type mentioned above, the discharge opening region is fastened in an edge region on the discharge head or a housing component of the discharge head and into a curved shape by means of a bulge body arranged in the prechamber and force-loading the discharge opening region is pressed.
Bei einem erfindungsgemäßen Spender ist ein Flüssigkeitsspeicher vorgesehen, in welchem die Flüssigkeit vor dem Austrag vorliegt. Dabei kann die Flüssigkeit, bei der es sich vorzugsweise um eine kosmetische oder pharmazeutische Flüssigkeit handelt, drucklos vorliegen, wobei in diesem Falle eine Pumpeinrichtung Teil des Spenders ist, die eine Druckbeaufschlagung zur Erzeugung des gewünschten Austrags ermöglicht. Alternativ hierzu kann im Flüssigkeitsspeicher auch bereits druckbeaufschlagte Flüssigkeit vorliegen, welche durch Öffnen eines Auslassventils an eine Umgebung abgegeben werden kann. Die Flüssigkeit wird durch einen Austragkopf hindurch abgegeben, der das genannte Lochplattenbauteil umfasst, welches seinerseits die Austragöffnungen zur Verfügung stellt. Dabei handelt es sich insbesondere vorzugsweise um ein Kunststoffbauteil, welches beispielsweise aus Polypropylen (PP), Polyethylen (PE), Polyoxymethylen (POM), Polybutylenterephthalat (PBT) oder Cyclo-Olefin-Copolymer (COC) bestehen kann. In diesem Bauteil, welches vorzugsweise im Spritzgussverfahren hergestellt wird und welches insbesondere vorzugsweise eine Dicke zwischen 0,1 mm und 1,5 mm, insbesondere zwischen 0,2 mm und 0,8 mm, aufweist, sind die mindestens 25 Austragöffnungen vorgesehen. Insbesondere vorzugsweise handelt es sich um eine höhere Zahl von Austragöffnungen, insbesondere vorzugsweise um mehr als 50 Austragöffnungen. Das Lochplattenbauteil ist randseitig an einem Gehäuse des Austragkopfes befestigt oder kann auch einstückig mit diesem ausgebildet sein. Der Austragöffnungsbereich das Lochplattenbauteils ist im nicht montierten Zustand dieses Bauteils vorzugsweise eben. Im eingebauten Zustand ist er dagegen gewölbt, wobei dies dadurch erzielt wird, dass er mittels eines in der Vorkammer angeordneten bzw. die Vorkammer begrenzenden Wölbungskörpers in die gewölbte Form gedrückt wird.In a dispenser according to the invention, a liquid reservoir is provided, in which the liquid is present before the discharge. In this case, the liquid, which is preferably a cosmetic or pharmaceutical liquid, be depressurized, in which case a pumping device is part of the dispenser, which allows pressurization to produce the desired discharge. Alternatively, liquid already pressurized may already be present in the liquid storage, which may be discharged to an environment by opening an exhaust valve. The liquid is dispensed through a discharge head which comprises said perforated plate member, which in turn provides the discharge openings. In particular, it is preferably a plastic component which may consist, for example, of polypropylene (PP), polyethylene (PE), polyoxymethylene (POM), polybutylene terephthalate (PBT) or cyclo-olefin copolymer (COC). In this component, which is preferably produced by injection molding and which in particular preferably has a thickness between 0.1 mm and 1.5 mm, in particular between 0.2 mm and 0.8 mm, are the least 25 discharge openings provided. In particular, it is preferably a higher number of discharge openings, in particular preferably more than 50 discharge openings. The perforated plate component is attached to the edge of a housing of the discharge head or can also be integrally formed therewith. The discharge opening region of the perforated plate component is preferably flat in the unassembled state of this component. In the installed state, however, it is curved, this being achieved in that it is pressed by means of a arranged in the antechamber or the antechamber delimiting curvature body in the curved shape.
Es ist bei dieser erfindungsgemäßen Gestaltung somit vorgesehen, dass das Lochplattenbauteil und insbesondere dessen Austragöffnungsbereich im montierten Zustand gegenüber dem unmontierten Zustand verformt ist und dass hierfür eine Kraftbeaufschlagung von Seiten der Vorkammer aus erfolgt.It is thus provided in this design according to the invention that the perforated plate member and in particular the Austragöffnungsbereich is deformed in the mounted state relative to the unmounted state and that this is a force from the side of the pre-chamber.
Die Wölbung nach außen gestattet es, eine divergierende Ausrichtung des aus Einzelstrahlen bestehenden Austragstrahls zu erzeugen. Dies ist für eine Vielzahl von Anwendungsfällen zweckmäßig, so beispielsweise, um die Flüssigkeit großflächig verteilen zu können, beispielsweise auf der Haut eines Benutzers. Die divergierende Austragcharakteristik kann jedoch auch bei speziellen Anwendungsfeldern von Vorteil sein, bei denen gezielt eine Mehrzahl von Bereichen mit Flüssigkeit beaufschlagt werden soll, wie es beispielsweise im Falle eines Rachensprühspenders der Fall ist, der links und rechts am Gaumenzäpfchen eines Patienten vorbei hintere Rachenbereiche des Patienten mit Flüssigkeit erreichen können soll.The outward curvature makes it possible to create a divergent orientation of the single jet discharge jet. This is useful for a variety of applications, such as to be able to distribute the liquid over a large area, for example on the skin of a user. However, the divergent discharge characteristic can also be advantageous in special fields of application in which a plurality of areas are to be subjected to liquid in a targeted manner, as is the case, for example, in the case of a pharyngeal spray dispenser, where the patient's left and right ventricle on the left of the patient's palate is located to be able to reach with liquid.
Die erfindungsgemäße Ausgestaltung des Spenders mit einem im montierten Zustand gegenüber dem nichtmontierten Zustand verformten Austragöffnungsbereich gestattet es insbesondere auch, ausgehend von baugleichen unverformten Lochplattenbauteilen, eine fallweise Anpassung an spezielle Anwendungsfelder vorzunehmen, indem unter anderem der Grad der Wölbung beeinflusst wird.The embodiment of the dispenser according to the invention with a discharge opening region which is deformed in the assembled state relative to the non-assembled state also makes it possible, in particular, to start from identical undeformed perforated plate components to make a case by case adaptation to special fields of application, among other things, the degree of curvature is affected.
Dies kann beispielsweise durch die Nutzung verschiedener Wölbungskörper erzielt werden. Alternativ dazu kann auch die Relativanordnung des Wölbungskörpers und des Lochplattenbauteils im montierten Zustand variabel ausgestaltet sein. Bei einer hierfür besonders vorteilhaften Gestaltung ist vorgesehen, dass das Lochplattenbauteil und der Wölbungskörper aneinander und gegebenenfalls an ein Gehäuse des Austragkopfes derart angepasst sind, dass sie eine derartige variable Montagerelativlage gestatten. So könnte beispielsweise der Wölbungskörper oder das Lochplattenbauteil in einer von mehreren diskreten Positionen am jeweils anderen Bauteil oder am Gehäuse des Austragkopfes befestigt werden. Hierzu alternativ kann auch eine stufenlose Möglichkeit der variablen Beabstandung gegeben sind, beispielsweise indem das Lochplattenbauteil oder der Wölbungskörper zur kraftschlüssigen Festlegung am jeweils anderen Bauteil oder am Gehäuse des Austragkopfes ausgebildet sind.This can be achieved for example by the use of different vault body. Alternatively, the relative arrangement of the curvature body and the perforated plate member may be configured variable in the mounted state. In a design that is particularly advantageous for this purpose, it is provided that the perforated plate component and the arched body are adapted to each other and optionally to a housing of the discharge head in such a way that they allow such a variable assembly relative position. Thus, for example, the arching body or the perforated plate component could be fastened in one of a plurality of discrete positions on the respective other component or on the housing of the discharge head. For this purpose, an infinitely variable possibility of the variable spacing are given, for example, by the perforated plate member or the curvature body are designed for frictional attachment to the other component or on the housing of the discharge head.
Wenngleich es zur Anpassung der Austragcharakteristik eines erfindungsgemäßen Austragkopfes vorteilhaft ist, wenn der Wölbungskörper als von einem Gehäuse des Austragkopfes separates Bauteil vorgesehen ist, sind auch andere Ausgestaltungen von der Erfindung umfasst, bei denen ein Gehäuse, welches zumindest abschnittsweise Außenflächen des Austragkopfes bildet, gleichzeitig einstückig mit dem Wölbungskörper bzw. dem Innenkörper verbunden ist.
Die genannte Einstellbarkeit kann, muss aber nicht, auf den Zeitpunkt der Herstellung, insbesondere der Montage, beschränkt sein. Denkbar und je nach Anwendungszweck vorteilhaft kann auch eine Gestaltung sein, bei der die Möglichkeit der Relativverlagerung des Lochplattenbauteils, insbesondere von dessen Randbereich, einerseits und des Wölbungskörpers andererseits dem Benutzer bzw. Patienten möglich ist. So könnte beispielsweise ein mittels eines Gewindes verlagerbarer Wölbungskörper es gestatten, den Grad der Wölbung des Austragöffnungsbereichs fallweise einzustellen.Although it is advantageous for adapting the discharge characteristic of a discharge head according to the invention, when the buckle body is provided as a separate component of a housing of the discharge head, other embodiments of the invention are also encompassed in which a housing which at least partially outer surfaces of the discharge head, at the same time in one piece is connected to the buckle body or the inner body.
The said adjustability may, but need not, be limited to the time of manufacture, in particular of the assembly. Conceivable and depending on the application advantageous may also be a design in which the possibility of relative displacement of the perforated plate member, in particular its edge region, on the one hand and the arch body on the other hand the user or patient is possible. For example, a curvature body displaceable by means of a thread could allow the degree of curvature of the discharge opening area to be adjusted on a case-by-case basis.
Neben der Möglichkeit einer Gestaltung, bei der das Lochplattenbauteil im Austragöffnungsbereich zur Vorkammer hinweisend plan ausgebildet ist und durch einen seinerseits hervorstehenden oder gewölbten Wölbungskörper verformt wird, besteht grundsätzlich auch die Möglichkeit, im Austragöffnungsbereich selbst an der Innenseite eine in Richtung des Wölbungskörpers weisende Erhebung vorzusehen, welche im montierten Zustand die Wölbung des Austragöffnungsbereichs bewirkt. Ein solcher Wölbungspin kann fertigungstechnisch in einfacher Art und Weise mit einer unterschiedlichen Länge ausgebildet sein, so dass mit wenig Aufwand Lochplattenbauteile herstellbar sind, die sich bis auf die Erstreckung der Erhebung / des Wölbungspins voneinander nicht unterscheiden.In addition to the possibility of a design in which the perforated plate member is formed hinweisend plan in Austragöffnungsbereich for antechamber and is deformed by a in turn protruding or curved camber body, there is also the possibility in the Austragöffnungsbereich even on the inside to provide a pointing in the direction of the vault body survey, which causes in the mounted state, the curvature of the Austragöffnungsbereichs. Such a curvature pin can be designed in a simple manner with a different length manufacturing technology, so that with little effort perforated plate components are produced that do not differ from each other to the extent of the survey / the curvature pins.
Gemäß einem weiteren Aspekt der Erfindung, der vorzugsweise zusammen mit den bereits genannten Aspekten der Erfindung realisiert ist, kann innenseitig des Austragöffnungsbereichs, also im Bereich der Vorkammer, ein Abdeckkörper vorgesehen sein, der über mindestens eine Schließfläche verfügt, wobei durch Anlage der mindestens einen Schließfläche an einer Innenseite des Austragöffnungsbereichs mindestens eine der Austragöffnungen verschließbar oder verschlossen ist.According to a further aspect of the invention, which is preferably realized together with the already mentioned aspects of the invention, a cover body can be provided on the inside of the discharge opening region, ie in the region of the prechamber, which has at least one closing surface, whereby by abutment of the at least one closing surface at least one of the discharge openings is closable or closed on an inner side of the discharge opening region.
Im Hinblick auf seine besondere Funktion wird dieser genannte Körper in diesem Kontext Abdeckkörper genannt. Er kann jedoch bei Realisierung der vorgenannten Merkmale der Erfindung identisch mit dem bereits beschriebenen Wölbungskörper sein.In view of its special function, said body is called a covering body in this context. However, it can be identical to the curvature body already described in realizing the aforementioned features of the invention.
Die Besonderheit gemäß diesem Aspekt der Erfindung liegt darin, dass zumindest einige der Austragöffnungen zumindest dann, wenn keine druckbeaufschlagte Flüssigkeit in der Vorkammer vorhanden ist, durch den Abdeckkörper verschlossen werden.The peculiarity according to this aspect of the invention is that at least some of the discharge openings are closed by the covering body, at least when no pressurized liquid is present in the prechamber.
Dabei kann dieses Verschließen von mindestens einer Austragöffnung ein permanenter Zustand sein. Dies bedeutet, dass unabhängig von dem Flüssigkeitsdruck in der Vorkammer die Austragöffnung verschlossen bleibt und somit bei bestimmungsgemäßer Verwendung des Spenders nie von Flüssigkeit durchströmt wird. Andere Austragöffnungen sind hingegen nicht durch Schließöffnungen verschlossen und somit zum tatsächlichen Austrag der Flüssigkeit vorgesehen.In this case, this closing of at least one discharge opening can be a permanent state. This means that regardless of the liquid pressure in the antechamber, the discharge opening remains closed, and thus liquid is never flowed through under normal use of the dispenser. Other discharge openings, however, are not closed by closing openings and thus provided for the actual discharge of the liquid.
Das permanente partielle Verschließen von Austragöffnungen gestattet es, baugleiche Lochplattenbauteile für verschiedene fallweise angepasste Anwendungszwecke zu verwenden, bei denen unterschiedliche Sprühbilder vorgesehen sind. So könnte beispielsweise ein Abdeckkörper derart ausgestaltet sein, dass er nur in zwei voneinander beabstandeten Bereichen des Austragöffnungsbereichs die Austragöffnungen freihält, während die anderen von ihm verschlossen werden. Es könnten somit zwei getrennte Strahlen bzw. Strahlenbündel erzeugt werden, die divergierend ausgetragen werden und sich daher beispielsweise gut für den oben bereits genannten Zweck eines Rachensprühspenders eignen.The permanent partial closing of discharge openings makes it possible to use identical perforated plate components for different occasionally adapted applications in which different spray patterns are provided. Thus, for example, a cover body could be designed such that it keeps the discharge openings free only in two spaced-apart areas of the discharge opening area, while the others are closed by it. It could thus be two separate beams or beams are generated, which are divergent discharged and therefore, for example, are well suited for the above-mentioned purpose of a Rachensprühspenders.
Vor allem aber gestattet das permanente Verschließen von Austragöffnungen die fallweise Anpassung des auszutragenden Volumenstroms. So kann bei im Übrigen unveränderten Bauteilen eines Spenders oder zumindest des Austragkopfes erreicht werden, dass je nach verwendeter Flüssigkeit oder beabsichtigtem Anwendungsgebiet unterschiedliche Flüssigkeitsströme entstehen.But above all, the permanent closing of discharge openings allows the occasional adjustment of the volume flow to be discharged. Thus, it can be achieved with otherwise unchanged components of a dispenser or at least the discharge head that arise depending on the liquid or intended application area different liquid streams.
Neben der Möglichkeit, durch den Abdeckkörper Austragöffnungen permanent zu verschließen, indem der Abdeckkörper an der Innenseite der Lochplatte im Bereich der fraglichen Austragöffnung permanent und unabhängig vom Flüssigkeitsdruck beim Austragvorgang anliegt, besteht auch die Möglichkeit, den Abdeckkörper derart auszugestalten und an das Lochplattenbauteil sowie die bestimmungsgemäßen Flüssigkeitsdrücke anzupassen, dass bei Druckbeaufschlagung der Flüssigkeit eine Trennung der Schließfläche von der Austragöffnung stattfindet, so dass diese dann bestimmungsgemäß Flüssigkeit passieren lässt. Mit einer solchen Gestaltung wird eine Art Ventilwirkung erzielt. Der Abdeckkörper verhindert mit seiner Schließfläche das Eindringen von Verunreinigungen, wenn der Spender nicht genutzt wird. Sobald der Spender Verwendung findet, trennt sich der Schließkörper unter dem Flüssigkeitsdruck vom Austragöffnungsbereich und lässt den Flüssigkeitsaustrag zu. Die Trennung des Schließkörpers vom Austragöffnungsbereich wird vorzugsweise dadurch erzielt, dass der Austragöffnungsbereich unter dem Eindruck des Flüssigkeitsdrucks gewölbt oder verlagert wird.In addition to the possibility of permanently closing discharge openings through the covering body, in that the covering body bears permanently on the inside of the perforated plate in the area of the discharge opening in question and independently of the liquid pressure during the discharge process, it is also possible to configure the covering body and to the perforated plate component as well as the intended purpose Adjust liquid pressures that when pressurizing the liquid, a separation of the closing surface takes place from the discharge, so that they then pass liquid as intended. With such a design, a kind of valve effect is achieved. The cover body prevents the ingress of contaminants with its closing surface, if the dispenser is not used. As soon as the dispenser is used, the closing body separates under the liquid pressure from the discharge opening area and allows the liquid to discharge. The separation of the closing body from the discharge opening area is preferably achieved by arching or displacing the discharge opening area under the impression of fluid pressure.
Bei der zuvor genannten Variante, bei der der Abdeckkörper die Austragöffnungen permanent verschließt, sind vorzugsweise am Abdeckkörper an seiner zum Austragöffnungsbereich hinweisenden Seite Freibereiche wie Nuten oder Vertiefungen vorgesehen, durch die hindurch die Flüssigkeit zu den von der Schließfläche nicht verschlossenen Austragöffnungen gelangen kann. Der Abdeckkörper dient damit nicht nur dem selektiven Verschließen von Austragöffnungen, sondern auch der Bildung von Kanälen, die zur Versorgung der nicht verschlossenen Austragöffnungen dienen.In the aforementioned variant, in which the covering body permanently closes the discharge openings, free areas such as grooves or depressions are preferably provided on the covering body at its side facing the discharge opening area, through which the liquid can reach the discharge openings which are not closed by the closing area. The cover body thus serves not only for the selective closing of discharge openings, but also for the formation of channels which serve to supply the non-closed discharge openings.
Der Zustrom von Flüssigkeit kann dabei von außen in einen Spaltbereich zwischen Austragöffnungsbereich und Abdeckkörper / Innenkörper erfolgen. Je nach Ausgestaltung des Spenders hat es sich jedoch auch als baulich zweckmäßig herausgestellt, wenn der Abdeckkörper selbst von einem Zustromkanal durchdrungen ist, welcher beispielsweise die direkte Zufuhr der auszutragenden Flüssigkeit in einen Zentralbereich des Austragöffnungsbereichs gestattet.The inflow of liquid can take place from the outside into a gap region between the discharge opening region and the covering body / inner body. However, depending on the design of the dispenser, it has also proven to be structurally expedient if the cover body itself is penetrated by an inflow channel, which allows, for example, the direct supply of liquid to be discharged in a central region of the discharge opening.
Neben der beschriebenen Ventilwirkung, die insbesondere durch die Verformbarkeit des Austragöffnungsbereichs erzielt werden kann, ist bei einem weiteren Aspekt der Erfindung vorgesehen, dass ein gattungsgemäßer Spender ein Auslassventil aufweist, das über zwei Ventilbauteile verfügt, von denen das eine ein zu einem Außengehäuse des Austragkopfes ortsfester Ventilsitz und das andere ein demgegenüber beweglicher und gemeinsam mit dem Ventilsitz den Zustrom von Flüssigkeit zu den Austragöffnungen steuernder Ventilkörper ist, wobei eines der Ventilbauteile durch das Lochplattenbauteil gebildet wird.In addition to the described valve action, which can be achieved in particular by the deformability of the discharge opening, is provided in a further aspect of the invention that a generic dispenser has an outlet valve which has two valve components, one of which a stationary to an outer housing of the discharge head Valve seat and the other is a contrast and movable together with the valve seat, the flow of liquid to the discharge openings controlling valve body, wherein one of the valve components is formed by the perforated plate member.
Gemäß dieser Variante zur Bildung eines Auslassventils ist somit vorgesehen, dass zwei als Ganzes gegeneinander bewegliche Ventilbauteile vorgesehen sind, von denen das eine das Lochplattenbauteil ist. Diese Ventilbauteile werden vorzugsweise durch ein Federmittel wie eine Schraubenfeder gegeneinandergepresst, wobei sie derart aufeinander abgestimmt sind, dass durch Flüssigkeitsdruck eine Beabstandung der Ventilbauteile gegen die Kraft dieses Federmittels erzielbar ist. Es kann vorgesehen sein, dass der zur öffnenden Relativverlagerung erforderliche Flüssigkeitsdruck unmittelbar im Bereich vor den Austragöffnungen aufgebaut wird. Es sind jedoch auch Gestaltungen denkbar, bei denen eine Druckbeschauflagungsfläche am beweglichen Ventilbauteil örtlich vor den Austragöffnungen vorgesehen ist, so dass Flüssigkeit in einen Spalt zwischen die Ventilbauteile im Bereich der Austragöffnungen erst gelangt, sobald die Ventilbauteile gegeneinander verlagert sind.According to this variant for forming an outlet valve is thus provided that two as a whole against each other movable valve components are provided, one of which is the perforated plate member. These valve components are preferably pressed against each other by a spring means such as a helical spring, wherein they are matched to one another such that by fluid pressure a spacing of the valve components against the force of this spring means can be achieved. It can be provided that the liquid pressure required for the opening relative displacement is built up directly in the region in front of the discharge openings. However, it is also conceivable configurations in which a Druckbeschlaglagungsfläche is provided on the movable valve member locally in front of the discharge, so that liquid only in a gap between the valve components in the region of the discharge reaches as soon as the valve members are shifted from each other.
Bei einem weiteren Aspekt der Erfindung ist vorgesehen, dass bei einem gattungsgemäßen Spender in der Vorkammer ein Zustromsteuerungskörper vorgesehen ist, der zumindest im Bereich einer Austragöffnung gemeinsam mit dem Lochplattenkörper einen Zwischenspalt definiert, dessen lichte Breite 0,3 mm, insbesondere vorzugsweise 0,1 mm, nicht übersteigt. Bei einer solchen Gestaltung ist somit vorgesehen, dass ein extrem schmaler Spalt zwischen dem Zustromsteuerungskörper und der mindestens einen Austragöffnung, vorzugsweise allen Austragöffnungen, gegeben ist. Die geringe Breite von weniger als 0,3 mm, insbesondere vorzugsweise weniger als 0,1 mm, hat sich als vorteilhaft herausgestellt, da sie es gestattet, durch Variation der Rauigkeit der Oberfläche des Zustromsteuerungskörpers gezielt die Austragcharakteristik zu verändern.In a further aspect of the invention, it is provided that in a generic dispenser in the antechamber, an inflow control body is provided which, at least in the region of a discharge opening together with the perforated plate body defines an intermediate gap whose clear width does not exceed 0.3 mm, in particular preferably 0.1 mm. With such a design, it is thus provided that an extremely narrow gap is provided between the inflow control body and the at least one discharge opening, preferably all the discharge openings. The small width of less than 0.3 mm, particularly preferably less than 0.1 mm, has been found to be advantageous, since it allows to vary by varying the roughness of the surface of the inflow control body targeted the discharge characteristic.
Die lichte Breite kann bei Verwendung eines Zustromsteuerungskörpers mit rauer Oberfläche sogar 0 mm betragen, so dass der Zustromsteuerungskörper unmittelbar am Austragöffnungsbereich anliegt. Hierfür wird vorgeschlagen, die Stirnfläche des Zustromkörpers in einem solchen Falle mit einer Rautiefe Rt zwischen 10 µm und 100 µm auszugestalten. Dies gestattet einen Zustrom von Flüssigkeit zu den Austragöffnungen, ohne dass es einer Relativbewegung des Zustromsteuerungskörpers und des Austragöffnungsbereichs gegeneinander bedarfs. Die Rautiefe alleine reicht aus, um den Zustrom von Flüssigkeit zu den Austragöffnungen zu ermöglichen. Auch ist durch die gezielte Wahl der Rautiefe Rt eine präzise Einstellung des Volumenstroms möglich.The clear width may be as small as 0 mm when using a rough-surface flow control body, so that the inflow control body is directly adjacent to the discharge port area. For this purpose, it is proposed to design the end face of the inflow body in such a case with a roughness R t between 10 .mu.m and 100 .mu.m. This allows an inflow of liquid to the discharge ports without requiring relative movement of the inflow control body and the discharge port region against each other. The surface roughness alone is sufficient to allow the flow of liquid to the discharge openings. Also, a precise adjustment of the volume flow is possible by the targeted choice of the surface roughness R t .
Weitere Aspekte und Vorteile der Erfindung ergeben sich außer aus den Ansprüchen auch aus der nachfolgenden Beschreibung von bevorzugten Ausführungsbeispielen der Erfindung, die anhand der Figuren nachfolgend erläutert werden. Dabei zeigen:
- Fig. 1a-1d
- ein Lochplattenbauteil für einen erfindungsgemäßen Spender in verschiedenen Perspektiven,
- Fig. 2a und 2b
- eine Variante des Lochplattenbauteils der
Fig. 1a bis 1d , - Fig. 3a und 3b
- eine erste Variante eines erfindungsgemäßen Spenders mit dem Lochplattenbauteil der
Fig. 2a und 2b , - Fig. 4
- ein Ausschnitt des Austragkopfes eines alternativ zur Ausgestaltung der
Fig. 3 ausgestalteten Spenders, - Fig. 5a bis 5c
- eine weitere Ausgestaltung eines erfindungsgemäßen Spenders,
- Fig. 6a
- eine weitere Ausgestaltung eines erfindungsgemäßen Spenders,
- Fig. 6b und 6c
- verschiedene Innenbauteile zur Verwendung bei einem erfindungsgemäßen Spender und am Beispiel eines derer die Wechselwirkung mit dem Lochplattenbauteil,
- Fig. 7a bis 7c
- eine weitere Ausgestaltung eines erfindungsgemäßen Spenders und
- Fig. 8a bis 8b
- eine weitere Ausgestaltung eines erfindungsgemäßen Spenders.
- Fig. 1a-1d
- a perforated plate component for a dispenser according to the invention in different perspectives,
- Fig. 2a and 2b
- a variant of the perforated plate component of
Fig. 1a to 1d . - Fig. 3a and 3b
- a first variant of a dispenser according to the invention with the perforated plate component of
Fig. 2a and 2b . - Fig. 4
- a section of the discharge head of an alternative to the embodiment of
Fig. 3 designed donor, - Fig. 5a to 5c
- a further embodiment of a dispenser according to the invention,
- Fig. 6a
- a further embodiment of a dispenser according to the invention,
- Fig. 6b and 6c
- various internal components for use in a dispenser according to the invention and the example of one of which the interaction with the perforated plate component,
- Fig. 7a to 7c
- a further embodiment of a dispenser according to the invention and
- Fig. 8a to 8b
- a further embodiment of a dispenser according to the invention.
Die
Bezug nehmend auf
Wie anhand der weiteren Ausführungsbeispiele noch ersichtlich wird, ist zumindest bei einigen Ausgestaltungen erfindungsgemäßer Spender vorgesehen, dass der Austragöffnungsbereich 16 im montierten Zustand des Spenders gewölbt ist. Es erfolgt somit im montierten Zustand eine Verformung des aus Kunststoff bestehenden Austragöffnungsbereichs, der dadurch ausgehend vom unmontierten Zustand der
Die zweite Variante 110 des Lochplattenbauteils, die in den
Der dargestellte Spender 200 verfügt über einen Austragkopf 202, der in nicht näher dargestellter Art und Weise mit einer Pumpeinrichtung 203 oder einem Zufuhrventil 203 derart verbunden ist, dass in Reaktion auf ein Niederdrücken des Austragkopfes 202 in Richtung 2a eine Zufuhr von Flüssigkeit aus dem Flüssigkeitsspeicher durch den Verbindungskanal 204 hindurch zum Lochplattenbauteil 110 erfolgt.The illustrated
Dem Lochplattenbauteil 110 vorgeschaltet ist eine Vorkammer 220, in der ein Innenkörper 230 angeordnet ist bzw. welche durch diesen Innenkörper 230 begrenzt ist. Dieser Innenkörper 230 füllt die Vorkammer 220 weitgehend aus. Darüber hinaus verfügt er über eine zum Austragöffnungsbereich 116 hinweisende Stirnfläche 232, die eine Wölbung aufweist. An dieser Stirnfläche 232 stützt sich der Pin 117 des Lochplattenbauteils 110 ab, so der Austragöffnungsbereich 116 verformt wird und sich zwischen der Innenseite 116a des Austragöffnungsbereich 116 und der Stirnseite 232 im Bereich des Austragöffnungsbereichs 116 ein Spalt etwa konstanter Breite ergibt. Dieser weist vorliegend eine Breite von etwa 0,2 mm auf.Connected upstream of the
Durch das Innenbauteil 230 ist der Austragöffnungsbereich 116 demnach gewölbt, so dass sich eine divergierende Ausrichtung der Austragöffnungen 118 ergibt. Diese führt zu einem Sprühstrahl, wie er in der vergrößerten Darstellung der
Aufgrund seiner Zusammensetzung aus Einzelstrahlen eignet sich ein solcher Sprühstrahl zum gezielten flächigen Auftrag von Flüssigkeit, beispielsweise auf der Haut eines Benutzers. Der Sprühstrahl wird aufgrund der Einzelstrahlen als sehr weich und als angenehm wahrgenommen.Due to its composition of individual jets, such a spray jet is suitable for the targeted application of liquid to a surface, for example on the skin of a user. The spray is perceived as very soft and pleasant due to the individual rays.
Die Ausgestaltung der
Es hat sich gezeigt, dass ein solcher sehr schmaler Spalt von Vorteil ist, insbesondere da er es gestattet, alleine durch die Wahl einer bestimmten Oberflächenrauigkeit an der Stirnfläche 332 den Fließwiderstand der Flüssigkeit bis zu den Austragöffnungen 18 zu beeinflussen. Somit können verschiedene Austragcharakteristiken alleine durch die Oberflächenrauigkeit an der Stirnfläche 332 und bei gleichbleibendem Lochplattenbauteil 10 erzielt werden.It has been found that such a very narrow gap is advantageous, in particular since it allows alone to influence the flow resistance of the liquid up to the
Bei der Ausgestaltung gemäß
Die
Die
Das Innenbauteil 630a stimmt überein mit dem Innenbauteil, welches bei den Ausgestaltungen der
So werden beispielsweise durch das Innenbauteil 630g nur zwei linksseitige und rechtsseitige Teilbereiche des Austragöffnungsbereichs des Lochplattenbauteils 10 nicht verschlossen. Anhand von
Ebenfalls eine besondere Erwähnung ist im Hinblick auf das Innenbauteil 630h geboten. Bei diesem sind das Innenbauteil 630h durchdringende Kanäle 636h vorgesehen, die die Vertiefungen an einer Stirnseite 632h und damit die Austragöffnungen des Lochplattenbauteils mit auszutragender Flüssigkeit versorgen. Es muss daher nicht dafür Sorge getragen werden, dass die Flüssigkeit seitlich am Innenbauteil vorbei bis zum Austragöffnungsbereich 16 gelangen kann.Also a special mention is required with regard to the
Die Darstellung des Innenbauteils 630b steht stellvertretend zur Verdeutlichung einer besonderen Oberflächenrauheit im Bereich der Stirnfläche. Die Oberfläche an dieser Stirnfläche des Bauteils weist eine mittlere Rautiefe Rt zwischen 10 µm und 100 µm auf, vorzugsweise zwischen 20 µm und 50 µm. Wenn ein solches Innenbauteil 630b beim Austragkopf der
Die Ausgestaltung der
Diese Kraftbeaufschlagung führt dazu, dass bei fehlender Flüssigkeitszufuhr eine Stirnseite 732 des als Ventilkörper agierenden Innenkörpers 730 an einer Innenseite 16a des Austragöffnungsbereichs 16 Lochplattenbauteils 10 anliegt und somit die Austragöffnungen 18 verschließt. Sobald Flüssigkeit zuströmt, gelangt diese in einen schmalen Spalt zwischen der Stirnfläche 732 und dem Lochplattenbauteil 10 und drückt dann den Ventilkörper 730 gegen die Kraft der Ventilfeder 738 in seine Öffnungsstellung, die in
Die Ausgestaltung der
Claims (13)
dadurch gekennzeichnet, dass
der Randbereich und der Wölbungskörper im Zuge der Montage und/oder im montierten Zustand des Spenders gegeneinander derart verlagerbar sind, dass die Wölbung des Lochplattenbauteils hierdurch beeinflussbar ist.Dispenser according to claim 1,
characterized in that
the edge region and the curvature body in the course of assembly and / or in the assembled state of the dispenser are mutually displaceable so that the curvature of the perforated plate member can be influenced thereby.
dadurch gekennzeichnet, dass
das der Austragöffnungsbereich (116) einen Zentralbereich umgibt, wobei das Lochplattenbauteil (110) an einer Innenseite des Zentralbereichs eine nach innen weisende Erhebung (117) aufweist, die an dem Wölbungskörper (230) des Austragkopfes (20) anliegt.Dispenser according to claim 1 or 2,
characterized in that
the discharge opening region (116) surrounds a central region, wherein the perforated plate component (110) has an inwardly directed elevation (117) on an inner side of the central region has, which rests against the buckle body (230) of the discharge head (20).
dadurch gekennzeichnet, dass
innenseitig des Austragöffnungsbereichs (16; 116) ein Abdeckkörper (230; 430; 530; 630a-i; 730) vorgesehen ist, der über mindestens eine Schließfläche (232; 432; 532) verfügt, wobei durch Anlage der mindestens einen Schließfläche (232; 432; 532) an einer Innenseite des Austragöffnungsbereichs (16; 116) mindestens eine der Austragöffnungen (18; 118) verschließbar oder verschlossen ist.Dispenser according to the preamble of claim 1 or any of the preceding claims,
characterized in that
a cover body (230; 430; 530; 630a-i; 730) is provided on the inside of the discharge opening region (16; 116), which has at least one closing surface (232; 432; 532), wherein the at least one closing surface (232; 432; 532) on an inner side of the discharge opening region (16; 116), at least one of the discharge openings (18; 118) is closable or closed.
dadurch gekennzeichnet, dass
das Lochplattenbauteil (10) und der Abdeckkörper (430) derart ausgebildet und/oder am Austragkopf angebracht sind, dass durch Flüssigkeitsdruck in der Vorkammer ein Öffnen der zuvor verschlossenen Austragöffnung (18) erzielbar ist.Dispenser according to claim 4,
characterized in that
the perforated plate component (10) and the covering body (430) are designed and / or mounted on the discharge head such that opening of the previously closed discharge opening (18) can be achieved by fluid pressure in the antechamber.
dadurch gekennzeichnet, dass
das Lochplattenbauteil (10) und der Abdeckkörper (530) derart ausgebildet und/oder am Austragkopf angebracht sind, dass die mindestens eine Schließfläche (532) unabhängig vom Flüssigkeitsdruck am Lochplattenbauteil anliegt und mindestens eine Austragöffnung permanent verschließt.Dispenser according to claim 4,
characterized in that
the perforated plate component (10) and the covering body (530) are designed and / or mounted on the discharge head such that the at least one closing surface (532) bears against the perforated plate component independently of the fluid pressure and permanently closes at least one discharge opening.
dadurch gekennzeichnet, dass
der Abdeckkörper (530) im Bereich der Schließfläche mindestens einen zurückgesetzten Bereich (534) aufweist, durch den Flüssigkeit zu nicht von den Schließflächen verschlossenen Austragöffnungen strömen kann.Dispenser according to claim 6,
characterized in that
the cover body (530) has at least one recessed area (534) in the region of the closing surface through which liquid can flow to discharge openings not closed by the closing surfaces.
dadurch gekennzeichnet, dass
der Abdeckkörper (630h) von mindestens einem Zustromkanal durchdrungen (636h) ist.Dispenser according to one of claims 4 to 7,
characterized in that
the cover body (630h) is penetrated by at least one inflow channel (636h).
dadurch gekennzeichnet, dass
der Spender ein Auslassventil aufweist, das über zwei Ventilbauteile (10, 730; 830) verfügt, von denen das eine (10) ein zu einem Außengehäuse des Austragkopfes ortsfester Ventilsitz und das andere ein demgegenüber beweglicher und gemeinsam mit dem Ventilsitz den Zustrom von Flüssigkeit zu den Austragöffnungen steuernder Ventilkörper (730; 830) ist, wobei eines der Ventilbauteile durch das Lochplattenbauteil (10) gebildet wird.Dispenser according to the preamble of claim 1 or any of the preceding claims,
characterized in that
the dispenser has an outlet valve which has two valve components (10, 730; 830), one of which (10) is a valve seat stationary relative to an outer housing of the dispensing head and the other one is more movable and, together with the valve seat, the inflow of fluid the valve bodies (730; 830) controlling the discharge openings, wherein one of the valve components is formed by the perforated plate member (10).
dadurch gekennzeichnet, dass
eine Feder (738) zur Kraftbeaufschlagung der Ventilbauteile (10, 730; 830) in Richtung einer Schließstellung vorgesehen ist.Dispenser according to claim 9,
characterized in that
a spring (738) is provided for applying force to the valve components (10, 730, 830) in the direction of a closed position.
dadurch gekennzeichnet, dass
in der Vorkammer (320) ein Zustromsteuerungskörper (330) vorgesehen ist, der zumindest im Bereich einer Austragöffnung (18) gemeinsam mit dem Lochplattenkörper einen Zwischenspalt definiert, dessen lichte Breite 0,3mm, vorzugsweise 0,1 mm, nicht übersteigt.Dispenser according to the preamble of claim 1 or one of the preceding claims "
characterized in that
an inflow control body (330) is provided in the antechamber (320) which defines an intermediate gap at least in the area of a discharge opening (18) together with the perforated plate body, whose clear width does not exceed 0.3 mm, preferably 0.1 mm.
dadurch gekennzeichnet, dass
in der Vorkammer ein Zustromsteuerungskörper (630b) vorgesehen ist, der auf seiner dem Austragöffnungsbereich zugewandten Seite eine Stirnfläche aufweist, die über eine mittlere Rautiefe Rt zwischen 10 µm und 100 µm verfügt.Dispenser according to the preamble of claim 1 or any of the preceding claims,
characterized in that
in the antechamber, an inflow control body (630b) is provided which has an end face on its side facing the discharge opening region, which has an average roughness depth R t of between 10 μm and 100 μm.
dadurch gekennzeichnet, dass
characterized in that
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013202531.9A DE102013202531B3 (en) | 2013-02-16 | 2013-02-16 | Dispenser for the discharge of liquids |
Publications (3)
Publication Number | Publication Date |
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EP2767346A2 true EP2767346A2 (en) | 2014-08-20 |
EP2767346A3 EP2767346A3 (en) | 2014-11-19 |
EP2767346B1 EP2767346B1 (en) | 2017-08-23 |
Family
ID=50031168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP14153198.8A Active EP2767346B1 (en) | 2013-02-16 | 2014-01-30 | Dispenser for discharging liquids comprising a perforated plate nozzle |
Country Status (3)
Country | Link |
---|---|
US (2) | US9463476B2 (en) |
EP (1) | EP2767346B1 (en) |
DE (1) | DE102013202531B3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3275558A1 (en) * | 2016-07-27 | 2018-01-31 | Aptar Radolfzell GmbH | Spray assembly and dispenser with such a spray assembly, and applicator head for such a dispenser |
Families Citing this family (4)
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WO2015194962A1 (en) * | 2014-06-20 | 2015-12-23 | Medspray B.V. | Aerosol or spray device, spray nozzle unit and method of manufacturing the same |
WO2017095219A1 (en) * | 2015-12-04 | 2017-06-08 | Medspray Bv | Spray device and spray nozzle body |
US11691161B2 (en) | 2018-05-02 | 2023-07-04 | Innovative Product Brands, Inc. | Sprayer with a six-hole spray pattern |
USD913804S1 (en) * | 2019-05-06 | 2021-03-23 | Natura Cosméticos S.A. | Flask |
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-
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Also Published As
Publication number | Publication date |
---|---|
US20140231540A1 (en) | 2014-08-21 |
US10099229B2 (en) | 2018-10-16 |
US20160375448A1 (en) | 2016-12-29 |
DE102013202531B3 (en) | 2014-05-28 |
EP2767346A3 (en) | 2014-11-19 |
US9463476B2 (en) | 2016-10-11 |
EP2767346B1 (en) | 2017-08-23 |
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