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WO2012052174A1 - Pompe de dosage - Google Patents

Pompe de dosage Download PDF

Info

Publication number
WO2012052174A1
WO2012052174A1 PCT/EP2011/005290 EP2011005290W WO2012052174A1 WO 2012052174 A1 WO2012052174 A1 WO 2012052174A1 EP 2011005290 W EP2011005290 W EP 2011005290W WO 2012052174 A1 WO2012052174 A1 WO 2012052174A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump according
dosing pump
piston
pump body
valve
Prior art date
Application number
PCT/EP2011/005290
Other languages
German (de)
English (en)
Inventor
Hyeck-Hee Lee
Ute Steinfeld
Frank Holzer
Markus Mahler
Original Assignee
Ursapharm Arzneimittel Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ursapharm Arzneimittel Gmbh filed Critical Ursapharm Arzneimittel Gmbh
Priority to CN201180050703XA priority Critical patent/CN103180051A/zh
Priority to MX2013004438A priority patent/MX2013004438A/es
Priority to JP2013534200A priority patent/JP2013543560A/ja
Priority to KR1020137012628A priority patent/KR20130128398A/ko
Priority to EP11773690.0A priority patent/EP2629894A1/fr
Priority to AU2011317862A priority patent/AU2011317862A1/en
Priority to RU2013119866/05A priority patent/RU2013119866A/ru
Priority to CA2813687A priority patent/CA2813687A1/fr
Priority to US13/880,430 priority patent/US20140301875A1/en
Publication of WO2012052174A1 publication Critical patent/WO2012052174A1/fr

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
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0041—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure without contact of the fluid remaining in the container with the atmospheric air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/105—Sealing arrangements around pump actuating stem
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1002—Ball valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F04B53/143—Sealing provided on the piston

Definitions

  • the invention relates to a metering pump for a metering device for metered delivery of a liquid ⁇ speed, which is connectable to a storage container, comprising a. cylindrical pump body and an actuator body.
  • EP 0 473 892 A2 and EP 1 466 668 A1 disclose such a metering pump, which consists of a cylindrical pump body, an actuating body and a closure cap.
  • An essential element of the metering pump according to the aforementioned European application is the structure in the form of a pump body ⁇ in hollow cylindrical shape, which has two sections, wherein in the interior of the hollow cylindrical pump body portion an inner hollow cylinder is fixed, in which a piston is guided. The seal against the storage container is achieved by a seal arranged on the inside.
  • Object of the present invention is therefore to provide a metering pump for medical, pharmaceutical and cosmetic liquid and gel preparations as well as in the food industry (eg for food supplements, spices, etc.), which is connectable to a storage vessel, in which increased security against leaks Air is achieved during dosing even under unfavorable circumstances.
  • a metering pump for medical, pharmaceutical and cosmetic liquid and gel preparations as well as in the food industry (eg for food supplements, spices, etc.), which is connectable to a storage vessel, in which increased security against leaks Air is achieved during dosing even under unfavorable circumstances.
  • a metering pump which can be connected to a storage vessel, as is already known in the prior art, for example from EP 0 473 892 A2, EP 1 466 668 A1 or WO 97/18902 , in the Way is improved, that between the outside of the piston and the inside of the purap body on the pump body on the inside itself a sealing ring is provided for sealing.
  • the metering pump according to the invention is characterized in that in the direction of the storage container at the open end, a valve section is provided, in which an inlet valve cooperates with a angeord ⁇ Neten in a valve seat ball according to the invention.
  • the support elements in and of themselves include all known in the prior art options that lead to a stabilization of the ball.
  • Preferred supporting elements are those which are designed in wedge shape. are formed.
  • min ⁇ least the valve portion is formed so that the thickness of the walls of the valve portion in the range of 0.2 to 1.0 mm, preferably in the range of 0.3 to 0.5 mm.
  • the advantage here is the easier production by injection molding. The reproducibility of the shape of the support elements is thereby increased and thus allows a precise function and mobility of the ball.
  • An essential element in connection with this embodiment is thus the embodiment in the form of thin walls in the specified limits. If the upper limit of 1.0 mm is exceeded, it has been found that this can lead to leaks in later use. In addition, the rigidity is so high that the flexibility of the wall is too reduced to still securely seal the ball. With smaller thicknesses than 0.2 mm, sufficient stabilization can not be achieved.
  • the ball it is proposed to coat the ball.
  • the coating of the ball takes place in a thin layer, which is placed all over the ball.
  • Suitable materials for this are in particular LD-PE (low-density polyethylene).
  • LD-PE low-density polyethylene
  • the coating with this material allows the approval of a medical product in markets that have particularly stringent regulations.
  • the ball itself may be made of stainless steel or a silver-coated ball that is germicidal.
  • the seal proposed according to the present invention is a sealing ring in a preferred embodiment.
  • the sealing ring is arranged according to the present invention on the inside of the hollow cylindrical Pumpenkör- perabitess, which faces in the direction of the actuating body.
  • the arrangement is to be chosen so that the highest possible sealing effect with respect to the piston is guided in the interior of the hollow cylinder, is achieved.
  • the sealing ring may be perabrough as tegraler in ⁇ part in the corresponding Pumpenkör-. Conveniently, therefore, the sealing ring is formed so that it is spaced from the piston outer wall and has appropriate sealing lips. These sealing lips then the tightness is realized with respect to the piston.
  • the sealing lips may be formed as a single separate lips, and in
  • the sealing ring can have at least one, preferably 3 to 5 lips.
  • Sealing ring is formed in the profile in the form of a U 's and engages a U-leg in a groove on the interior of the pump body portion.
  • This second leg of the U 's is then used for sealing effect.
  • This second leg of the U 's can then be designed so that it is spaced apart from the outside of the piston and realizes the sealing effect via lips.
  • thermoplastics polytetrafluoroethylene
  • PU polyurethane
  • PA polyamide
  • PET polyethylene terephthalate
  • LD-PE low density polyethylene
  • HD-PE high density polyethylene
  • PP polypropylene
  • the metering pump of the invention cansverbefore ⁇ Lich also equipped as in the prior art, an additional seal to ⁇ for sealing against the storage container. It is preferred that a seal is disposed on the inside between the one hand, the inner hollow cylinder and the cylindrical pump body portion and on the other hand, the reservoir not shown.
  • the cylindrical pump body is preferably made of a plastic, e.g. Polypropylene (PP) or polyethylene (PE) formed. Important for the choice of materials are the medical and pharmaceutical safety as well as the material safety in the food industry.
  • the inner surface of the cylindrical pump body can therefore also have a coating for germ killing.
  • the invention also includes an embodiment analogous to EP 1 466 668 A1, in which the inner hollow cylinder forming the pressure chamber is interchangeable.
  • the metering pump according to the invention then also has an actuating body, which is connected to the piston and the cylindrical pump body.
  • the formation of the actuator body also is guided by the state of the tech ⁇ technology.
  • As a storage container that can be connected to the metering pump in principle, all storage containers of the prior art come into question. Reference is made to the documents mentioned in the previous paragraph. These must allow air-free operation, eg containers with flexible inner bag or drag piston.
  • made of stable plastic containers are also plastic bags, which are integrated in a separate container.
  • the storage containers are conveniently connected via a snap closure or via a thread with the metering pump.
  • FIG. 1 shows an embodiment with the sealing element according to the invention.
  • Figure 2 shows the sealing element according to the invention of Figure 1 in an enlarged form.
  • FIG. 3 shows an embodiment in which the
  • Figure 4 shows the sealing element according to the invention of Figure 3 in an enlarged form.
  • Figure 5 shows in section the training of
  • FIG. 6 shows the dimensioning of the valve area.
  • FIG. 1 shows schematically the structure of a metering pump according to the invention, in which case the cylindrical pump body 1 is shown with the actuator body 20 for the metering ⁇ pump.
  • the actuating body 20, which may preferably consist of the same material as the cylindrical pump body, ie, for example, PE, is connected to the pump body 1, for example via a snap closure or a plug connection.
  • the storage container is not shown, since it is not essential to the understanding of the invention.
  • EP 0 473 892 A2 EP 1 466 668 A1 or WO 97/18902.
  • the cylindrical pump body 1 is a
  • the cylindrical pump body 1 consists of a hollow cylindrical pump body section 2 open in the direction of the storage container (not shown) and a hollow cylindrical pump body section 3 open in the direction of the actuating body 20. With 15, a groove is arranged on the inner wall of the section 3 , An inner hollow cylinder 4 is fastened between the pump body sections 2, 3. The attachment of the inner hollow cylinder 4 in the pump body sections 2 and 3 is accomplished in the embodiment of Figure 1 by engagement in a groove. As is further apparent from FIG. 1, a piston 5 is guided in the inner hollow cylinder 4. The piston 5 is, as known from the prior art, supported by a spring 9 in the interior of the hollow cylinder 4. The inner hollow cylinder 4 now has here an inlet valve 6, wherein the inlet valve 6 is formed with a valve seat 7 cooperating ball 8. With 30, the valve area is designated. To ensure the airtight seal between the reservoir (not shown) and the environment is at the in the in the
  • the sealing element 11 essential to the invention is, as can be seen in particular from FIG. 2, formed in the form of a ring and is fastened to the inside of the hollow-cylindrical pump body section 3 and preferably to the outer wall of the piston
  • sealing lips 12, 12 ' are provided, which produce a secure seal against the ingress of air during the pumping process.
  • the invention also includes embodiments in which at least one sealing lip is provided.
  • FIG. 3 shows, in a modification of the embodiment, as has been described in FIG. 1 or FIG. 2, that the sealing element 11 is designed in the form of a U.
  • the sealing ring 11 is fixed with the one U-legs in a groove 15 on the inside of the pump body portion 3.
  • the second U-leg acts as a sealing element against the outer wall of the piston 5. Also in the embodiment of Figure -3 are again
  • Sealing lips 12, 12 ' provided to allow an optimal Füh ⁇ ren of the piston in the interior of the hollow cylinder 4 and a seal.
  • FIG 4 a portion of the Darge in Figure 3 ⁇ presented embodiment is shown enlarged.
  • the sealing ring 11 is present here in the form of a U 's.
  • FIG. 5 shows a detail of the embodiment of the valve region 30 with the sequence of FIGS. 1, 2 and 3, which represent the different operating states upon actuation.
  • the support elements 31 are shown in wedge shape.
  • the support members 31 as well as the
  • Valve seat 7 are formed integrally with the inside of the hollow cylinder 4.
  • such a design is achieved in that at least the part of the inner piston, which is defined by the valve region 30, by means of a
  • valve portion 30 is formed by a relatively thin-walled inner hollow cylinder 4.
  • the thickness of the wall of the valve section 30 of the hollow cylindrical cylinder 4 is preferably in the range of 0.2 to 1.0, particularly preferably in the range of 0.3 to 0.5 mm. It has been shown that optimum flexibility is achieved with this thin material thickness while still providing sufficient stability to allow the valve seat to optimally adapt its shape to the ball but still hold it securely. As a result, the tightness is achieved.
  • the metering pump is designed so that the above-mentioned dimensions of the walls of the inner hollow cylinder are maintained at least in the region of the valve region.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

L'invention concerne une pompe de dosage pour un dispositif de dosage destiné à distribuer un liquide de manière dosée, pouvant être reliée à un récipient de stockage. La pompe de dosage comprend un corps de pompe cylindrique et un corps d'actionnement.
PCT/EP2011/005290 2010-10-20 2011-10-20 Pompe de dosage WO2012052174A1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CN201180050703XA CN103180051A (zh) 2010-10-20 2011-10-20 计量泵
MX2013004438A MX2013004438A (es) 2010-10-20 2011-10-20 Bomba dosificadora.
JP2013534200A JP2013543560A (ja) 2010-10-20 2011-10-20 定量ポンプ
KR1020137012628A KR20130128398A (ko) 2010-10-20 2011-10-20 계량 펌프
EP11773690.0A EP2629894A1 (fr) 2010-10-20 2011-10-20 Pompe de dosage
AU2011317862A AU2011317862A1 (en) 2010-10-20 2011-10-20 Metering pump
RU2013119866/05A RU2013119866A (ru) 2010-10-20 2011-10-20 Дозировочный насос
CA2813687A CA2813687A1 (fr) 2010-10-20 2011-10-20 Pompe de dosage
US13/880,430 US20140301875A1 (en) 2010-10-20 2011-10-20 Metering pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010048986.7 2010-10-20
DE102010048986A DE102010048986A1 (de) 2010-10-20 2010-10-20 Dosierpumpe

Publications (1)

Publication Number Publication Date
WO2012052174A1 true WO2012052174A1 (fr) 2012-04-26

Family

ID=44925475

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/005290 WO2012052174A1 (fr) 2010-10-20 2011-10-20 Pompe de dosage

Country Status (11)

Country Link
US (1) US20140301875A1 (fr)
EP (1) EP2629894A1 (fr)
JP (1) JP2013543560A (fr)
KR (1) KR20130128398A (fr)
CN (1) CN103180051A (fr)
AU (1) AU2011317862A1 (fr)
CA (1) CA2813687A1 (fr)
DE (1) DE102010048986A1 (fr)
MX (1) MX2013004438A (fr)
RU (1) RU2013119866A (fr)
WO (1) WO2012052174A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109564123A (zh) * 2016-07-14 2019-04-02 F·霍尔泽股份有限公司 泵压头和计量装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103879651A (zh) * 2014-02-11 2014-06-25 温州眼视光发展有限公司 一种液体定量供给装置
DK2992967T3 (da) * 2014-09-02 2020-08-31 F Holzer Gmbh Medikamentdispenser
DE102016204953A1 (de) * 2016-03-24 2017-09-28 F. Holzer Gmbh Dosierpumpe für eine Dosiervorrichtung sowie Dosiervorrichtung
KR101672761B1 (ko) * 2016-07-08 2016-11-04 (주) 아람시스템 정밀 주입 펌프
DE102018208110A1 (de) * 2018-05-23 2019-11-28 F. Holzer Gmbh Abgabekopf und Abgabevorrichtung zur dosierten Abgabe flüssiger Präparate sowie Verwendungsmöglichkeiten
KR101897443B1 (ko) * 2018-07-09 2018-09-12 양경옥 세균 침투 방지 기능을 갖는 약제 디스펜서

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US4061247A (en) * 1973-03-08 1977-12-06 Philip Meshberg Method of and apparatus for controlling of travel of the plunger in a dispensing pump chamber
EP0473892A2 (fr) 1990-08-29 1992-03-11 Ursapharm Arzneimittel Gmbh Distributeur pour fluide aseptique
EP0487412A1 (fr) * 1990-11-21 1992-05-27 Societe De Promotion, Recherche Et Innovation Technologique Valve doseuse pour produits liquides contenus dans un récipient sans pression
WO1997018902A1 (fr) 1995-11-17 1997-05-29 Ursatec Verpackung-Gmbh Distributeur de fluides protegeant ces derniers contre une contamination
EP1466668A1 (fr) 2003-04-09 2004-10-13 URSAPHARM Arzneimittel GmbH & Co. KG Distributeur de produit fluide
WO2006084519A1 (fr) * 2005-02-09 2006-08-17 Lumson S.P.A. Pompe pour la distribution manuelle de fluides a partir d’un contenant hermetiquement ferme
EP2338607A1 (fr) * 2009-11-26 2011-06-29 Rieke Corporation Dispositifs d'évent pour pompes de distribution

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FR2668958B1 (fr) * 1990-11-13 1994-05-20 Valois Dispositif de pulverisation ou de distribution de produit fluide, a aspiration du produit contenu dans le canal de sortie en fin d'actionnement.
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ES2190477T3 (es) * 1995-11-17 2003-08-01 Ursatec Verpackung Gmbh Dispensador de fluidos diseñado para proteger el contenido de la contaminacion.
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DE10049898C2 (de) * 2000-10-10 2002-10-02 Steven Padar Abgabevorrichtung für Fluide
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061247A (en) * 1973-03-08 1977-12-06 Philip Meshberg Method of and apparatus for controlling of travel of the plunger in a dispensing pump chamber
EP0473892A2 (fr) 1990-08-29 1992-03-11 Ursapharm Arzneimittel Gmbh Distributeur pour fluide aseptique
EP0487412A1 (fr) * 1990-11-21 1992-05-27 Societe De Promotion, Recherche Et Innovation Technologique Valve doseuse pour produits liquides contenus dans un récipient sans pression
WO1997018902A1 (fr) 1995-11-17 1997-05-29 Ursatec Verpackung-Gmbh Distributeur de fluides protegeant ces derniers contre une contamination
EP1466668A1 (fr) 2003-04-09 2004-10-13 URSAPHARM Arzneimittel GmbH & Co. KG Distributeur de produit fluide
WO2006084519A1 (fr) * 2005-02-09 2006-08-17 Lumson S.P.A. Pompe pour la distribution manuelle de fluides a partir d’un contenant hermetiquement ferme
EP2338607A1 (fr) * 2009-11-26 2011-06-29 Rieke Corporation Dispositifs d'évent pour pompes de distribution

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109564123A (zh) * 2016-07-14 2019-04-02 F·霍尔泽股份有限公司 泵压头和计量装置

Also Published As

Publication number Publication date
MX2013004438A (es) 2013-12-02
CN103180051A (zh) 2013-06-26
KR20130128398A (ko) 2013-11-26
CA2813687A1 (fr) 2012-04-26
EP2629894A1 (fr) 2013-08-28
US20140301875A1 (en) 2014-10-09
AU2011317862A1 (en) 2013-05-02
RU2013119866A (ru) 2014-11-27
JP2013543560A (ja) 2013-12-05
DE102010048986A1 (de) 2012-04-26

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