EP1007221A1 - Dispositif de distribution pour produits - Google Patents

Dispositif de distribution pour produits

Info

Publication number
EP1007221A1
EP1007221A1 EP98946433A EP98946433A EP1007221A1 EP 1007221 A1 EP1007221 A1 EP 1007221A1 EP 98946433 A EP98946433 A EP 98946433A EP 98946433 A EP98946433 A EP 98946433A EP 1007221 A1 EP1007221 A1 EP 1007221A1
Authority
EP
European Patent Office
Prior art keywords
discharge device
discharge
component
radiation
kgy
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.)
Withdrawn
Application number
EP98946433A
Other languages
German (de)
English (en)
Inventor
Joachim Körner
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
Erich Pfeiffer GmbH
Ing Erich Pfeiffer 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7840128&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1007221(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Erich Pfeiffer GmbH, Ing Erich Pfeiffer GmbH filed Critical Erich Pfeiffer GmbH
Publication of EP1007221A1 publication Critical patent/EP1007221A1/fr
Withdrawn legal-status Critical Current

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
    • B05B11/0005—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
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
    • B05B11/1026—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem the piston being deformable and its deformation allowing opening of the outlet

Definitions

  • the invention relates to a discharge device for media with at least one discharge opening for the medium.
  • Dosing, conveying or dispensing can be carried out gaseous, liquid, creamy, gel-like, powdery and / or solid media. Possibly. atomization can also be carried out.
  • Well-known applications of such discharge devices are, for example, in the cosmetic or pharmaceutical field, but are also widespread in other fields of technology.
  • Components of the discharge device which usually perform a sealing and / or valve function, are installed under pre-tension so that they can perform the desired function. In such cases, the desired restoring force caused by the preload must occur over the entire service life of the
  • Discharge device is retained.
  • a lack of resistance of the plastic material to mechanical, chemical and in particular to temperature influences leads to undesirable relaxation effects, ie the necessary pretension is reduced over time.
  • the object of the invention is therefore to provide a discharge device of the type mentioned at the outset in which the disadvantages described are avoided.
  • increased resistance, in particular increased temperature resistance, of important components of the discharge device and thus of the discharge device as a whole is to be achieved with comparatively simple means.
  • the need to replace proven plastic materials for such components with new materials should be avoided if possible.
  • the discharge device according to the invention is characterized in that it has at least one component made of plastic which is treated by irradiation.
  • Radiation treatment usually takes place after the production of the component.
  • the procedure is such that the corresponding component is manufactured and subjected to the radiation treatment in large numbers.
  • the components treated in this way are then assembled together with the other components to form the discharge device according to the invention.
  • the radiation is preferably carried out with the aid of ⁇ -rays and / or y-rays, with radiation using ⁇ -rays being preferred.
  • ⁇ -rays are electron beams (cathode rays) which emerge as accelerated particles from corresponding high-voltage cathodes.
  • Y-rays are high-energy electromagnetic radiation with a small wavelength, which is generated either by X-ray tubes or by suitable radionuclides.
  • ⁇ rays in the invention includes advantageous because usually larger quantities of product, in this case the corresponding components of the discharge device, can be irradiated than with ⁇ -rays.
  • the - - rays have a greater range and thus a greater penetration depth than ß rays.
  • ß-rays can be metered better and, even with smaller product quantities, shorter radiation times can be achieved.
  • the material degradation of the plastic component can be minimized when using ⁇ -rays.
  • Preferred doses are between 150 kGy and 250 kGy, again a range between 150 kGy and 200 kGy is preferred.
  • doses below 125 kGy do not or not permanently produce the effects sought here and doses above 300 kGy no longer significantly increase the desired effects.
  • the irradiation times can be varied in a manner known to the person skilled in the art.
  • a radiation duration of 10 hours is selected per dose of 25 kGy. This results, for example, in the preferred doses of 150 kGy to 200 kGy radiation times of 60 to 80 hours.
  • Corresponding doses can be achieved with the use of ⁇ -rays within much shorter periods, in particular within a few minutes to a few seconds. However, it must be taken into account here that due to the greater range and depth of penetration of ⁇ -rays, significantly larger amounts of product can be treated at the same time than with ß-rays.
  • the irradiation is carried out under vacuum or under a protective gas atmosphere. This measure is particularly important for
  • y ⁇ rays shown.
  • the use of a vacuum or protective gas prevents interfering substances, which can also be associated with unpleasant smells, from being released.
  • Such substances which are associated with the degradation reactions occurring during the irradiation, in particular in the presence of oxygen, could possibly come into contact with the medium to be discharged via the irradiated component and the discharge device produced therefrom.
  • nitrogen or noble gases such as argon can in particular be used as
  • Shielding gases can be used. However, it is particularly expedient to keep the components of the discharge device to be irradiated in an evacuated container during the irradiation.
  • the irradiation is preferably carried out in such a way that the components to be irradiated are packaged in suitable cartons or bags. Since the components are comparatively small, a large number of such components with a high packing density can be introduced into such a container.
  • the container is evacuated and then sealed in an airtight manner, for example when plastic is used. Possibly. a protective gas can be introduced after the evacuation.
  • the corresponding containers are then irradiated in a suitable manner, with the use of entire pallets can be treated with radiation at the same time.
  • ß-rays are preferably individual containers, such as bags or the like. irradiated. Because of the relationships described above, the use of ⁇ -radiation is preferred in the invention.
  • the component made of plastic in the discharge device which is treated by radiation, is preferably one which is in the installed state under a pretension, ie compressive or tensile stress. In this way, this component shows a certain restoring force that can be largely adjusted by the construction, which is characteristic of its function in the discharge device.
  • such components have a sealing and / or a valve function within the discharge device.
  • Such a component is preferably a seal which can be designed in particular as a lip seal and / or in the manner of a sleeve.
  • Such a sealing sleeve can fulfill such a sealing function in several respects in the case of the discharge device having a push piston pump, as will be described in the following.
  • a conventional component of the discharge device has dimensions that are not more than 10 mm in at least one dimension, for example the thickness.
  • the thickness of such a component, such as a sealing sleeve is less than 5 mm, preferably less than 1 mm. In this way, adequate irradiation can be achieved with both y'-radiation and with ⁇ -radiation.
  • the component treated by radiation in the discharge device can in principle be made of a thermoset. However, it is preferably made of a thermoplastic
  • Plastic that is processed in a comparatively simple way, i.e. for example extruded, or injection molded.
  • Known thermoplastics are, for example, polyethylene, polypropylene, the polyester and polyvinyl chloride. Possibly.
  • Corresponding copolymers can also be selected for the production of the components. If it is not possible to increase the temperature resistance of the plastic by irradiation, this can be achieved, if necessary, by adding suitable additives to the plastic before the component is manufactured.
  • Preferred plastics in the invention are the poly ethylene and ethylene copolymers, in particular low and medium density polyethylene being preferred. "
  • the discharge devices according to the invention can be used for all media mentioned at the outset, for example for liquid media also in the form of solutions, for suspensions, gels and powders. They are also suitable for the discharge of so-called lotions, which are a special form of preparation for cosmetics and dermatics, among other things. Such lotions are generally aqueous or aqueous-alcoholic solutions or emulsions. However, as already mentioned, basically all possible, including technical, areas of application for the discharge devices are conceivable, although the area of cosmetics and pharmaceuticals should be particularly emphasized.
  • the dispensing devices claimed can be any metering, conveying and dispensing devices of the kind usually used for dispensing cosmetic and pharmaceutical products.
  • the discharge device preferably comprises a pump for discharging the medium, in particular a lifting or. Thrust piston pump.
  • a pump for discharging the medium in particular a lifting or. Thrust piston pump.
  • the radiation-treated plastic component can be one with a sealing and / or valve function within a pump, in particular a seal or sealing sleeve, which seals the pump chamber of the piston pump from the discharge opening, for example. This is described below with reference to the drawing using a special embodiment, which is not to be understood as restrictive.
  • the discharge device has a discharge head, in particular a so-called dosing head, on which the discharge opening is arranged.
  • the discharge head can also be a so-called spray head, for example, which atomizes the medium to be discharged more or less finely during discharge.
  • two discharge units are provided in the discharge device according to the invention. These two units can, for example, be connected to one another via a plug-in and / or snap-in connection and form the essential functional part of the discharge device.
  • the two units can be moved manually against one another, in particular with mutual axial displacement.
  • a first unit is from the discharge head, i.e. for example spray head or head for discharging a pasty mass, and a second unit is formed by the pump.
  • the pump is then usually assigned to a media store or arranged on such a media store.
  • the described two-unit embodiments are, for example, hand-operated dispensers or dispensers, such as those used in the field of cosmetics as dispensers for perfume, shaving cream, soap, toothpaste etc. and in the field of pharmaceuticals as medicament spray, e.g. Nasal spray, are known.
  • Typical components of a pump are, for example, in addition to the piston itself, including any intermediate piston, piston cylinder, sealing sleeve and sealing housing.
  • the sealing sleeve is usually treated (after-) by irradiation after being made from plastic.
  • An existing spray head for example for a nasal spray, is usually constructed from a nozzle, adapter and, if appropriate, a protective cap that has been retrofitted.
  • a so-called media guide is preferably provided, which ensures that the medium is forwarded or guided from the store via the pump which may be present to the discharge opening.
  • This media guide comprises at least one discharge channel opening into the discharge opening.
  • a so-called fluid guide can also be provided, which serves to equalize the pressure through a fluid after the medium has been discharged.
  • the fluid guide comprises at least one channel for pressure equalization.
  • parts of the two existing channels can be used simultaneously to guide the medium and to guide the fluid.
  • the discharge device according to the invention Due to the fact that at least one prefabricated plastic component is subjected to radiation treatment, the discharge device according to the invention has an increased resistance to thermal influences, in particular to increased temperature, and possibly also to mechanical and chemical influences.
  • This effect can be explained by an improvement in the structure of the plastic, with crosslinking of the plastic material playing a role.
  • a high resilience resilience
  • this basically requires the use of low-density plastics.
  • good relaxation behavior is expected for plastics with a high density obtained after irradiation. Accordingly, the invention actually seems to run in opposite directions with an optimization
  • the second effect to be taken into account is the crosslinking that takes place during the irradiation, which is at least partially contrary to the third effect to be taken into account, namely the degradation of the plastic material
  • the dimensions of the component are not influenced by the radiation treatment, so that the subsequent installation of this component can be carried out without any problems and no adaptation of the other components to the irradiated component has to be carried out.
  • the invention comprises a plastic component for a discharge device for media, which is radiation-treated after its manufacture. This component is shown in claim 17. Preferred embodiments result from claim 18 with a corresponding reference back to claims 2 to 11. Finally, the invention also comprises a method for producing a discharge device for media with at least one discharge opening, in which, according to claim 19, a prefabricated plastic component by irradiation is treated. Preferred embodiments of the method result from claim 20. The wording of claims 17 to 20 is hereby made to the content of this description, including the back-references.
  • FIG. 1 is a sectional view of a discharge device according to the invention with a pump and discharge head
  • Fig. 2 is a partial sectional view of the pump of the discharge device shown in Fig. 1 with irradiated plastic component in the form of a sealing sleeve and
  • FIG. 3 experimental results on the radiation treatment of a sealing sleeve.
  • the discharge device 1 according to FIG. 1 is basically known with regard to construction and function. Using a specific example, their illustration is intended to show how the invention can be used analogously in a large number of different discharge devices. Accordingly, the in
  • the discharge device 1 has two units 2, 3 which can be moved manually relative to one another in the axial direction.
  • the first unit 2 consists essentially of Chen from a discharge head 4 and the second unit 3 essentially from a pump 5, or the like by means of a housing 6, a corresponding housing part, a socket. is inserted into a memory 7, not shown in FIG. 1, for the medium.
  • the pump 5, which is designed as a push piston pump in the present case, can suck in the medium via a riser pipe 8 and discharge it via the discharge head 4 when actuated.
  • an annular seal 9 serving for sealing is also shown in FIG. 1.
  • the discharge head 4 is designed as a spray head and, as an essential component, has an adapter part 10 carrying a nozzle or an integrated nozzle piston part for the desired application, in the present case for a nasal spray.
  • the adapter 10 also contains the lines or channels serving to guide the medium, of which essentially only the discharge channel 12 opening into a discharge opening 11 is shown in FIG. 1.
  • additional swirl channels can be provided to ensure discharge in the form of a cone.
  • the discharge opening 11 is closed before or after the actuation by suitable sealing or closing means, which are preferably assigned to the discharge channel, possibly in the usual manner.
  • the discharge head 4 comprises a protective cap 13, which is put over the adapter 10 when not in use or at least before first use and is held there in position, for example with the aid of suitable support or clamping elements 14, 15.
  • the discharge device 1 is conventionally made of plastic, different plastic materials being used or being able to be used for individual components.
  • plastic materials being used or being able to be used for individual components.
  • accumulator 7 and riser pipe 8 made of PE, PP or PE-PP copolymers.
  • Polypropylene is also used as the material for the housing 6. In this connection, reference can be made to the known prior art.
  • FIG. 2 shows the pump 5 shown in FIG. 1 in an enlarged partial sectional view.
  • the construction and function of such a thrust piston pump are also known in principle, so that a detailed description is unnecessary.
  • a (sealing) housing 21 with an internal piston 22 and intermediate piston 23 is shown as essential components of the pump 5 in FIG. 2.
  • a spring 26 which designates the ball 27 associated with the lower end of the pump 5 and the substantially cylindrical lower piece 25 of the pump 5.
  • FIG. 2 Particularly noteworthy in FIG. 2 is the (sealing) sleeve 24 shown there, which is treated as a plastic component and thus gives the discharge device 1 according to FIG. 1 the advantageous properties described.
  • This sealing sleeve 24 is preferably made from LDPE, ie low-density polyethylene, for example from Lupolen® from BASF. After its production, this sealing sleeve 24 is subjected to radiation treatment in the manner described and then assembled with the other components to form the discharge device 1.
  • the sleeve 24 not only delimits the pump chamber and seals it from the discharge opening, but also closes the usual gaps provided in the pump 5, with the aid of which the required pressure equalization takes place after the discharge by the inflow of air.
  • the sealing collar 24 has a thickness of approximately 5/10 mm in its upper (neck) region and approximately 5/10 mm to 8/10 mm in the lower region.
  • a radiation-treated sealing cuff 24, preferably made of LDPE show the advantages to be achieved according to the invention in a special way.
  • FIG. 3 shows the results of investigations on radiation treatment of sealing sleeves, such as the sealing sleeve 24 according to FIG. 2.
  • the sleeves are made of LDPE, namely the product Lupolen 1810H from BASF. The properties of this material are known.
  • the relaxation behavior of the restoring force i.e. the possible reduction of the preload in such sealing sleeves was investigated.
  • the sealing sleeves were installed in a conventional manner in a pump 5 shown in FIG. 2 and in a discharge device 1 in accordance with FIG. 1.
  • both the non-radiation-treated sleeves and the sleeves treated with different doses were stored for several weeks both at room temperature and at 50 ° C. and then the metered volume was tested.
  • FIG. 3 shows that the aftertreatment of a plastic component in the form of a sealing sleeve by irradiation is a very good, simple means of increasing the temperature resistance of the discharge device or of the pump present in the discharge device.
  • the plastic material is only changed in its properties, but not in its geometric dimensions, so that a conventional construction of the discharge device can be used without further changes.
  • the test can be carried out in the same way with ⁇ -rays, with virtually no degradation of the plastic material taking place within the short irradiation times (a few minutes). This leads to an even better stabilization of the dosing properties (in particular even more constant, temperature-independent dosing).

Landscapes

  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)

Abstract

L'invention concerne un dispositif de distribution de produits, comportant au moins une ouverture de distribution pour le produit. Dans le dispositif selon l'invention, au moins un élément en plastique est irradié par un rayonnement β ou η. Cet élément (24) en plastique consiste, de préférence, en un élément faisant fonction de joint d'étanchéité ou de valve, qui est soumis à une précontrainte une fois monté. Le dispositif selon l'invention s'avère tout particulièrement intéressant pour des dispositifs de distribution comportant des joints ou des manchons d'étanchéité de pompes ou de pompes à piston de poussée, irradiés conformément. Comme plastiques, on utilise des thermoplastes, de préférence du polyéthylène de faible ou moyenne densité.
EP98946433A 1997-08-26 1998-08-26 Dispositif de distribution pour produits Withdrawn EP1007221A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19736999 1997-08-26
DE19736999A DE19736999A1 (de) 1997-08-26 1997-08-26 Austragvorrichtung für Medien
PCT/EP1998/005427 WO1999010106A1 (fr) 1997-08-26 1998-08-26 Dispositif de distribution pour produits

Publications (1)

Publication Number Publication Date
EP1007221A1 true EP1007221A1 (fr) 2000-06-14

Family

ID=7840128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98946433A Withdrawn EP1007221A1 (fr) 1997-08-26 1998-08-26 Dispositif de distribution pour produits

Country Status (5)

Country Link
EP (1) EP1007221A1 (fr)
JP (1) JP2001513441A (fr)
AU (1) AU9347298A (fr)
DE (1) DE19736999A1 (fr)
WO (1) WO1999010106A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011086677A1 (de) * 2011-11-18 2013-05-23 Aptar Radolfzell Gmbh Nasalspender

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1084134B (it) * 1977-05-20 1985-05-25 Coster Tecnologie Speciali Spa Pompetta dosatrice ed erogatrice di aerosol o di liquidi in forma nebulizzata
DE2925508A1 (de) * 1979-06-25 1981-01-22 Hilti Ag Dosiergeraet fuer zweikomponenten- reaktionsharz-system
DE3525449C2 (de) * 1985-07-17 1995-02-02 Pfeiffer Erich Gmbh & Co Kg Ausgabe-Einrichtung für fließfähige Medien
AU613371B2 (en) * 1987-07-01 1991-08-01 Minnesota Mining And Manufacturing Company Polypropylene articles and method for preparing same
US4986453A (en) * 1989-05-15 1991-01-22 The Pittway Corporation Atomizing pump
IT1230087B (it) * 1989-05-26 1991-10-05 Enichem Anic Spa Contenitori per uso medicale, costituiti da copolimeri etilene vinilacetato, resistenti ad elevate temperature.
FI895421A7 (fi) * 1989-07-10 1991-01-11 Yhtyneet Paperitehtaat Oy Menetelmä pakkauksen muodostamiseksi
US4993600A (en) * 1989-10-10 1991-02-19 James River Corporation Liquid dispenser pump
JP2976126B2 (ja) * 1990-05-22 1999-11-10 株式会社吉野工業所 耐熱キャップの製造方法
DE4129474A1 (de) * 1991-09-05 1993-03-11 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung fuer medien
DE4131437A1 (de) * 1991-09-21 1993-03-25 Roland Lechner Kunststoffwerkstoff und dessen verwendung
IT1252216B (it) * 1991-12-16 1995-06-05 Sar Spa Erogatore di sostanze liquide o sottoforma di crema o pasta
JP3317452B2 (ja) * 1992-10-05 2002-08-26 株式会社レイテック 改質ポリテトラフルオロエチレンとその製造方法
FR2725247B1 (fr) * 1994-10-03 1996-12-20 Py Daniel C Pompe a fluide sans volume mort
DE19502725B4 (de) * 1995-01-28 2004-03-04 Ing. Erich Pfeiffer Gmbh & Co Kg Austragvorrichtung für Medien
DE19606702A1 (de) * 1996-02-22 1997-08-28 Caideil M P Teoranta Tourmakea Austragvorrichtung für Medien
DE19606701A1 (de) * 1996-02-22 1997-08-28 Caideil M P Teoranta Tourmakea Austragvorrichtung für Medien
DE19606703A1 (de) * 1996-02-22 1997-08-28 Caideil M P Teoranta Tourmakea Austragvorrichtung für Medien

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9910106A1 *

Also Published As

Publication number Publication date
JP2001513441A (ja) 2001-09-04
DE19736999A1 (de) 1999-03-04
AU9347298A (en) 1999-03-16
WO1999010106A1 (fr) 1999-03-04

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