EP1358944A2 - Distributeur pour appliquer des produits liquides - Google Patents

Distributeur pour appliquer des produits liquides Download PDF

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Publication number
EP1358944A2
EP1358944A2 EP03009091A EP03009091A EP1358944A2 EP 1358944 A2 EP1358944 A2 EP 1358944A2 EP 03009091 A EP03009091 A EP 03009091A EP 03009091 A EP03009091 A EP 03009091A EP 1358944 A2 EP1358944 A2 EP 1358944A2
Authority
EP
European Patent Office
Prior art keywords
piston
piston rod
valve
pump
dispenser according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03009091A
Other languages
German (de)
English (en)
Other versions
EP1358944A3 (fr
Inventor
Jürgen Greiner-Perth
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
Application filed by Erich Pfeiffer GmbH, Ing Erich Pfeiffer GmbH filed Critical Erich Pfeiffer GmbH
Publication of EP1358944A2 publication Critical patent/EP1358944A2/fr
Publication of EP1358944A3 publication Critical patent/EP1358944A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/109—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 the dispensing stroke being affected by the stored energy of a spring
    • B05B11/1092—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 the dispensing stroke being affected by the stored energy of a spring automatically released from a loaded state at the end of the loading stroke
    • 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
    • B05B11/1038—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
    • B05B11/1039—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber the outlet valve being mechanically opened after a defined accumulation stroke
    • 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

Definitions

  • the invention relates to a dispenser for dispensing flowable Media with a preferably manually operated pump.
  • Such pumps are intended for liquids, pastes, foams etc. either for their dosing, spraying or other discharge processes.
  • the pumps used are mostly shear piston pumps, the one over a hollow piston rod and one placed on it Pusher operated, which also the discharge opening, for example, a spray nozzle.
  • the dispensing process is always a problem when operating such dispensers independent of the individual operation by the user to make, for example, an even dosage and to produce a uniform spray pattern, particularly in the case of spray devices.
  • the object of the invention is to provide a dispenser, the discharge process largely by the type of operation by the user is independent and is relatively simple and compact. It should in particular discharge under pressure that is kept as constant as possible respectively.
  • the pump which has a pump cylinder, has a piston with a piston rod which can be actuated in one actuation direction and a feed piston element, for example, as a annular piston sleeve can be formed.
  • a pump inlet is equipped with an inlet valve, which can be used as a weight or spring-loaded ball valve can be formed.
  • the Pump outlet has an outlet duct, which in most cases is guided by the piston rod, which in turn means putting on a combined with a spray nozzle.
  • the delivery piston element is sealing and axial on the piston rod slidably guided. It is loaded by a spring element that the Media discharge is effected by being supported on the piston rod and tensioned by moving the piston rod in the direction of actuation becomes. After opening the outlet valve, it then causes the media to be discharged, by being under the force of the spring element in the direction of actuation running.
  • the delivery piston element is an annular piston sleeve, which on the piston rod and in Pump cylinder is guided sealingly. But it would also be possible Delivery piston element as a running in the hollow piston rod To form pistons, in which case the spring would also have to be arranged there.
  • the piston can be moved against the direction of actuation by a return spring element be loaded, causing the pump to act like a single-acting Pump after release of an actuator, such as a push button, returns itself to the starting position.
  • the springs in particular the spring element provided for discharge, can be relatively strongly biased.
  • the piston sleeve too their movement storing the conveying energy against the direction of actuation runs or remains almost axially unchangeable can the entire dispenser can be built relatively short. It's just that To provide span for the discharge spring element and the relative short delivery stroke of the main delivery piston, i.e. in the embodiment the piston sleeve.
  • the dispenser is tensioned by the fact that the piston rod is in the cylinder is pushed in. It clamps the discharge conveyor element and also displaces some liquid in the pump chamber, which does this is balanced that the delivery piston element under another Preload of the discharge conveyor element axially against the direction of actuation is pressed.
  • a path-controlled valve that follows kind of a slide valve can be formed. It can be on one Stamp should be provided in the manner of a hollow needle that slits laterally engages in the interior of the piston rod and together with it first seals the pump chamber against the outlet duct and if two cooperating control edges release this, the Discharge of the pressurized content of the pump chamber into the Effect outlet duct.
  • the pump chamber empties below the relatively uniform pressure that the discharge spring exerts on the delivery piston element exercises. After releasing the piston rod, the Return spring including the piston rod / delivery piston element unit the preloaded discharge spring back to the starting position and sucks in liquid through the inlet valve.
  • the priming i.e. the first suction of those not yet filled with liquid Pump chamber is not a problem, since the outlet valve is steered is and therefore no "dead” air compression in the pump chamber takes place.
  • the necessary ventilation of the container is also via a ventilation valve possible that the sealing surface on a shoulder of the two-part Has piston rod which cooperates with a housing part and creates the ventilation path through a slot in the pump chamber.
  • the ventilation valve is only during the short actuation process open and thus the container is sealed via the pump in the idle state locked.
  • a donor for flowable media is created, which regarding the pressure build-up and the dosing quantity works independently of the user.
  • the donor can as pre-dosing device for inhalation devices or other medical devices that serve the issued batch process further.
  • FIG. 1 shows a dispenser 11 with a pump 12, which is placed on the neck 13 a container 14 designed in the manner of a glass bottle and projects into it with most of its length.
  • the pump has a base housing 15, which is by means of a crimp closure 16 is attached to the bottle neck 13.
  • An elongated cylinder body 17 is snapped into the base housing 15, namely in an axial annular groove 18 between an outer part and an inner part of the base case.
  • the cylinder body forms below its snap section a pump cylinder 20 and then a cylindrical one with a reduced diameter Cylinder section 21.
  • a piston 28 projects into the cylinder 20 and has a tubular piston rod 29, which consists of two hollow bodies firmly inserted into one another 30, 31 is composed.
  • the piston rod 29 forms in her Inside an outlet channel 32, which with a pump outlet 33 in Form of a spray nozzle 34 is connected.
  • This is in an actuator head 35 provided the same time a pusher with a finger pressure surface 36 forms for manual operation of the dispenser.
  • the Actuating head 35 is on the upper neck of the piston rod, i.e. the hollow body 31, pressed. Its outer jacket runs outside of the base housing 15.
  • a discharge spring element 42 is supported in shape on the shoulder 38 a preloaded coil spring. This presses with her other Side on a piston sleeve 43, which forms a delivery piston element.
  • the piston sleeve 43 runs with an outer sealing lip 44 the inner cylinder surface of the pump cylinder 20 and with an inner Sealing lip 45 on the outer circumference of the tubular hollow body part the piston rod 29.
  • One from there towards the coil spring and within this towering section of the piston sleeve guides the coil spring and the sleeve on the piston rod.
  • a groove is formed between the two sealing lips 44, 45, into which a Stop projection 46 of an enlarged end section 47 engages the piston rod 29.
  • This Return spring 48 which is also designed as a coil spring and is guided in the narrower cylinder section 21.
  • the return spring 48 is supported on the base portion 49 of a stamp 50 which with an inner recess the upper part of the cage 23 for the ball inlet valve forms and with a pin or needle-shaped part inside the hollow piston rods 29 engages. It forms with the piston rod together the outlet valve 51 for the pump chamber 52.
  • the stamp 50 is provided with a channel in the form of a longitudinal slot 53 provided, the sharpened at a distance from the upper Tip 54 of the stamp ends. He thus forms a control edge 55 for the exhaust valve.
  • the corresponding counter-control edge 56 is on the piston rod 29 at the inner end of a precisely calibrated, opposite the remaining outlet channel 32 bore 57 with reduced diameter is provided.
  • the dispenser 11, with the exception of the coil springs and the ball 24, is complete can be made from plastic injection molded parts.
  • the pump consists of two Housing parts 15, 17, the piston 28 with the two-part piston rod 29 and the piston sleeve 43 and the stamp 50. All parts are Easy to assemble by simply plugging or pressing together. If necessary, the metal parts can also be adjusted accordingly molded plastic parts, e.g. Plastic bellows springs, replace ..
  • Fig. 1 the rest position of the dispenser 11 is shown.
  • the Piston 28 pushed upwards under the action of the return spring 48, so that the shoulder forming a sealing surface for the ventilation valve 38 on the corresponding counter sealing surface 40 of the base housing 15 is present and seals the container against the outside air.
  • the outlet valve 51 is also closed because the stamp 50 in the Bore 57 is inserted and the control surface 55 does not reach the control surface 56 Has.
  • the coil spring 42 forming the discharge spring element is biased, but in its maximum operational extent. It presses the piston sleeve 43 against the end portion 47 of the Piston rod 29.
  • the sealing lips 44, 45 lie on the pump cylinder wall 20 and the cylindrical outer wall 58 of the piston rod 29 sealing.
  • the force of the spring is due to the annular stop projection 46 added to the end section 47, between the two Engages sealing lips. These are therefore those of the spring Relieves pressure.
  • the ventilation valve 39 is opened by the one sealing surface forming shoulder 38 has lifted from the end face 40 and over the gap 37 and the opening 41 in the pump cylinder a connection is established between the outside air and the container 14.
  • Fig. 3 already shows the final position of the discharge process, in which the outer sealing lip 44 on the formed between the cylinder parts 20 and 21 Level 63 belches.
  • the actuation started by finger pressure on the printing surface 36 So there is a pressure point-like actuation process. He presses the actuating head 35 and thus the piston rod into the pump without that something happens initially.
  • the spraying process is released without further notice To do out.
  • the spraying process is not just one quite constant and precisely determinable pressure takes place, but the dosing quantity also meets high accuracy requirements.
  • the volume of the pump chamber 52 increases again, so that through the vacuum inlet opened by the vacuum 24 and the suction pipe 26 medium 59 into the pump chamber 52 is sucked up.
  • the outlet valve is then, as can be seen from FIG. 1, closed again.
  • the first priming is done by one or a few Operating strokes. If the pump chamber is not filled with liquid there is no significant pressure in this and therefore the piston sleeve remains 43 also when depressed in actuation direction 60 (Fig. 2) relative to the piston rod in its position according to Fig. 1. When reached 3, the outlet valve 51 is opened and the slightly compressed air in the pump chamber 52 via the outlet duct 32 pushed out. Depending on how big it is in the cylinder section 51 formed dead space of the pump can be done with a few strokes the entire pump chamber should be filled with liquid.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
  • Closures For Containers (AREA)
EP03009091A 2002-05-02 2003-04-19 Distributeur pour appliquer des produits liquides Withdrawn EP1358944A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10220557 2002-05-02
DE10220557A DE10220557A1 (de) 2002-05-02 2002-05-02 Spender zum Austrag fließfähiger Medien

Publications (2)

Publication Number Publication Date
EP1358944A2 true EP1358944A2 (fr) 2003-11-05
EP1358944A3 EP1358944A3 (fr) 2005-11-30

Family

ID=28799021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03009091A Withdrawn EP1358944A3 (fr) 2002-05-02 2003-04-19 Distributeur pour appliquer des produits liquides

Country Status (5)

Country Link
US (1) US7066359B2 (fr)
EP (1) EP1358944A3 (fr)
JP (1) JP2004000954A (fr)
CA (1) CA2425778A1 (fr)
DE (1) DE10220557A1 (fr)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005009294A1 (de) * 2004-07-13 2006-02-16 Ing. Erich Pfeiffer Gmbh Spender für Medien
EP1616629B1 (fr) 2004-07-13 2014-04-02 Aptar Radolfzell GmbH Dispositif d'actionnement pour distributeur de fluides
DE102005009295A1 (de) * 2004-07-13 2006-02-16 Ing. Erich Pfeiffer Gmbh Dosiervorrichtung für Medien
DE102004050977A1 (de) 2004-10-14 2006-04-20 Ing. Erich Pfeiffer Gmbh Dosiervorrichtung für wenigstens ein Medium
DE102006008874B4 (de) * 2006-02-21 2012-06-21 Ing. Erich Pfeiffer Gmbh Dosiervorrichtung mit einer manuell betätigbaren Pumpeinrichtung
WO2009038452A1 (fr) * 2007-09-17 2009-03-26 Rexam Airspray N.V. Us088574 ensemble distributeur de mousse
US8986253B2 (en) 2008-01-25 2015-03-24 Tandem Diabetes Care, Inc. Two chamber pumps and related methods
US8286837B1 (en) * 2008-07-14 2012-10-16 William Sydney Blake One turn actuated duration dual mechanism spray dispenser pump
US8408421B2 (en) 2008-09-16 2013-04-02 Tandem Diabetes Care, Inc. Flow regulating stopcocks and related methods
AU2009293019A1 (en) 2008-09-19 2010-03-25 Tandem Diabetes Care Inc. Solute concentration measurement device and related methods
DE102009022215B4 (de) * 2009-05-20 2011-06-22 LINDAL Dispenser GmbH, 23923 Ventil zur dosierten Abgabe von Flüssigkeiten
WO2011014704A2 (fr) 2009-07-30 2011-02-03 Tandem Diabetes Care, Inc. Système de pompe de perfusion à cartouche jetable comprenant une décharge de pression et une rétroaction de pression
DE102009051570B3 (de) * 2009-10-23 2011-06-22 Ing. Erich Pfeiffer GmbH, 78315 Austragvorrichtung
DE102010045059A1 (de) 2010-09-10 2012-03-15 F. Holzer Gmbh Dosiervorrichtung
US8439233B2 (en) * 2010-10-04 2013-05-14 Derxin (Shanghai) Cosmetics Co., Ltd. Spray head assembly
DE102010048986A1 (de) * 2010-10-20 2012-04-26 Ursapharm Arzneimittel Gmbh Dosierpumpe
US8720746B2 (en) * 2012-04-04 2014-05-13 William Sydney Blake One turn actuated duration spray pump mechanism
US9415401B2 (en) 2012-04-04 2016-08-16 Alternative Packaging Solutions Llc One turn actuated duration spray pump mechanism
US9180242B2 (en) 2012-05-17 2015-11-10 Tandem Diabetes Care, Inc. Methods and devices for multiple fluid transfer
US9555186B2 (en) 2012-06-05 2017-01-31 Tandem Diabetes Care, Inc. Infusion pump system with disposable cartridge having pressure venting and pressure feedback
CN104029927A (zh) * 2013-03-05 2014-09-10 北京红海科技开发有限公司 自量取容器及取出该容器内部所容物的方法
US9173998B2 (en) 2013-03-14 2015-11-03 Tandem Diabetes Care, Inc. System and method for detecting occlusions in an infusion pump
JP6570166B2 (ja) * 2014-12-17 2019-09-04 ライオン株式会社 容器
US20180154092A1 (en) * 2015-06-12 2018-06-07 Philip Morris Products S.A. Dispensing mechanism
WO2016205408A1 (fr) * 2015-06-15 2016-12-22 The Plant Based Company Pulvérisateur d'oméga-3
NL2015724B1 (en) 2015-11-04 2017-05-24 Gab Eng & Dev B V Storage holder for a dispenser.
NL2016644B1 (en) 2016-04-20 2017-11-07 Gab Eng & Development B V Storage holder for a dispenser
KR102077606B1 (ko) * 2018-03-15 2020-02-17 (주)연우 오리피스 및 이를 포함하는 스프레이 용기
WO2019182745A1 (fr) 2018-03-19 2019-09-26 Bryn Pharma, LLC Formulations pour la pulvérisation d'épinéphrine
KR101951627B1 (ko) * 2018-09-20 2019-02-25 (주)삼화피앤티 스프레이 펌프
JP7174446B2 (ja) * 2018-11-26 2022-11-17 ムロオカ産業株式会社 ディスペンサー
KR102356611B1 (ko) * 2020-09-10 2022-02-08 주식회사 삼화 액체 분사를 위한 용기
CN112389849A (zh) * 2020-10-23 2021-02-23 广州尚功塑胶有限公司 一种双弹簧全塑真空泵
KR102479409B1 (ko) * 2021-01-21 2022-12-19 엘지전자 주식회사 정수기
CN113525910B (zh) * 2021-07-19 2023-05-12 广州市泰伦化妆品包装有限公司 一种乳液泵

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US6145710A (en) 1999-08-09 2000-11-14 Carter; Miro S. Metered output fluid dispenser
DE10032976A1 (de) 2000-07-06 2002-01-17 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien

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JPS6031551B2 (ja) * 1975-08-11 1985-07-23 博 近藤 ばね蓄圧式噴霧ポンプ
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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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Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6145710A (en) 1999-08-09 2000-11-14 Carter; Miro S. Metered output fluid dispenser
DE10032976A1 (de) 2000-07-06 2002-01-17 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien

Also Published As

Publication number Publication date
CA2425778A1 (fr) 2003-11-02
DE10220557A1 (de) 2003-11-13
US7066359B2 (en) 2006-06-27
JP2004000954A (ja) 2004-01-08
EP1358944A3 (fr) 2005-11-30
US20040000567A1 (en) 2004-01-01

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