EP1499538B1 - Einwegventil zur abgabe eines fliessfähigen materials - Google Patents

Einwegventil zur abgabe eines fliessfähigen materials Download PDF

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Publication number
EP1499538B1
EP1499538B1 EP03746804A EP03746804A EP1499538B1 EP 1499538 B1 EP1499538 B1 EP 1499538B1 EP 03746804 A EP03746804 A EP 03746804A EP 03746804 A EP03746804 A EP 03746804A EP 1499538 B1 EP1499538 B1 EP 1499538B1
Authority
EP
European Patent Office
Prior art keywords
container
projection
way valve
valve seat
valve
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.)
Expired - Lifetime
Application number
EP03746804A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1499538A2 (de
Inventor
Frank Janssen
Roland Kneer
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.)
Gaplast GmbH
Original Assignee
Gaplast 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 Gaplast GmbH filed Critical Gaplast GmbH
Priority to SI200331095T priority Critical patent/SI1499538T1/sl
Publication of EP1499538A2 publication Critical patent/EP1499538A2/de
Application granted granted Critical
Publication of EP1499538B1 publication Critical patent/EP1499538B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2056—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type
    • B65D47/2081—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type in which the deformation raises or lowers the valve port
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants

Definitions

  • the invention relates to a one-way valve according to the preamble of claim 1.
  • the volume-reducible container can be, for example, a rigid outer container with an inner container or inner bag made of a soft material, which contracts accordingly after dispensing a portion of the flowable material, with pressure equalization openings in the pressure equalization between the rigid outer container and the inner container the outer container are provided.
  • the container may also be single-walled and, for example, in the form of a tube which is gradually compressed to deliver the material.
  • bellows container which gradually coincide according to the delivery of the flowable material, and called syringes whose volume can be reduced by advancing a syringe plunger. It is understood that the above list is only exemplary.
  • the container does not have to be volume reducible.
  • the compensation can also be achieved by inflowing air flowing through a filter (sterile filter).
  • the flowable material may be liquid or a cream, gel, ointment or other substance, optionally with high viscosity.
  • the one-way valve of the type considered is intended to deliver the flowable container contents in individual subsets or cans, depending on the application, the metered delivery of the flowable content can be distributed over a longer period of time.
  • the material remaining in the container not be affected by foreign particles, whether microorganisms or inorganic or organic contaminants. This is especially true in pharmaceutical, but also e.g. determining the quality of cosmetic flowable materials, but also applies, for example, to substances to be attributed to the foodstuffs.
  • the volume of material dispensed from the container must not be equalized by the entry of air into the container to prevent bacteria, dust, moisture, etc. from coming into contact with the remaining contents of the container, for which reason, as mentioned above, reduced in the case considered here according to the amount of material dispensed the volume. Above all, it must be ensured that no microorganisms penetrate through the container opening and contaminate the remaining container contents.
  • a generic one-way valve is off US-A-1,941,520 known.
  • the present invention has for its object to provide a one-way valve of the type considered, in which the sterility of the remaining in the container flowable material remains largely ensured.
  • the one-way valve includes a valve seat made of a rigid plastic such as PE / PP and disposed in the container neck.
  • valve seat is inserted into the end portion of the container.
  • the valve seat contains a base body, which rests against the inner wall of the container neck and contains at least one passage opening, which - when released - allows the passage of the flowable material in the direction of the outlet opening of the container.
  • the valve seat further has a projection connected to the base body, which extends in the axial direction of the container neck to the outlet opening of the container.
  • the one-way valve according to the invention further includes an elastic seal having a ring portion which covers the at least one passage opening and an integrally formed therewith sleeve-shaped portion which surrounds the - preferably centrally disposed in the container neck - projection with a radial distance, with the exception of the end portion of sleeve-shaped part which preferably abuts in the closed state of the valve within the outlet opening of the container at the end portion of the projection.
  • the ring portion of the elastic seal is pressed radially outside the at least one through hole of the valve seat to the valve seat.
  • the one-way valve preferably includes a sterilization device disposed in the space between the protrusion of the valve seat and the sleeve-shaped portion of the elastic seal, and exerts a germicidal effect on any invading bacteria, etc.
  • the sterilization device can be a preferably spiral-shaped sterilization element surrounding the projection, or it can be formed by coating at least parts of the valve seat and / or the seal with oligodynamically active metals or bactericidal substances.
  • the valve seat closes except for its at least one passage opening the container neck or - if such is not formed - lying in front of the outlet opening cross-section of the container.
  • the elastic seal is firmly on the base body of the valve seat, as it is preferably held with its annular outer region in contact with the valve seat, preferably pressed by an annular projection of the cap of the container against the valve seat. The flat resting on the base body of the valve seat elastic seal thus closes the at least one passage opening of the valve seat.
  • the elastic seal is also located with the end portion of its sleeve-shaped portion close to the head end of the preferably pin-shaped projection, within the outlet opening of the container in such a way that this outlet opening is sealed in the closed state of the valve. Because of the tight contact with the pin or peg-shaped projection of the valve seat, this also ensures that no contamination can enter from the outside between the projection and the sleeve-shaped portion of the seal.
  • the flowable material When pressure is exerted on the container contents, preferably by applying an external force to the container, the flowable material is forced through the at least one passage opening of the valve seat against the overlying annular portion of the elastic seal, whereby it is lifted from the base body of the valve seat.
  • the end portion of the sleeve-shaped portion of the elastic seal lifts off from the end portion of the projection of the valve seat, that moves in the axial direction of the container neck, preferably protruding from the outlet opening of the container.
  • the flow path is released through the outlet opening of the container for the flowable material which has passed through the at least one passage opening of the valve seat.
  • the seal returns due to their elasticity in their initial position in which the at least one through hole of the valve seat and the outlet opening of the container are closed.
  • the sterilizing element arranged there would effectively prevent harmful growth of microorganisms, thereby ensuring the sterility of the contents of the container. This is true for both the flowable material remaining between the seal and the valve seat and for the container contents remaining below the one-way valve.
  • the flowable material can be delivered not only by exerting a pressure on the container contents, but in a corresponding manner also by the fact that from the outside a negative pressure on the elastic seal - and after the opening - is applied to the container contents.
  • the base body of the valve seat radially outside the projection contains a plurality of through holes, which should be distributed uniformly over the circumference.
  • the passage openings for example, have the form of circular arc-shaped slots.
  • the base body of the valve seat has a planar base plate, through which the at least one passage opening leads, and a voltage applied to the inner wall of the container neck peripheral wall which rests with an outer circumferential annular shoulder on the peripheral edge of the container neck.
  • the peripheral wall in general as well as the container neck has a circular cylindrical shape.
  • the cap may be a screw cap. However, the cap can also be snapped onto the neck of the container, for example.
  • the preferably centrally located on the planar base plate of the valve seat projection has a generally pin or pin shape and can be designed so that it has the shape of a circular cylinder with a preferably tapered end portion.
  • the projection may have an arcuate contour in longitudinal section, although other shapes are contemplated, as long as the end portion of the projection provides a suitable sealing surface for the sleeve-shaped portion of the elastic seal.
  • the upper edge of the projection of the valve seat is arranged within the container opening, wherein it preferably is aligned with the upper side of the cap. It is understood that the diameter of the end portion of the projection is smaller than the diameter of the container opening, since in the annular space, the end portion of the sleeve-shaped portion of the elastic seal is arranged.
  • the annular portion of the elastic seal also preferably has a planar shape and is held in the region of its peripheral edge in contact with the planar base plate of the valve seat. It is preferably provided that the closure cap of the container has an annular projection which presses the elastic seal in the above-mentioned range to the valve seat.
  • the ring portion of the seal can also be held by other means to the valve seat, for example, be glued.
  • the adjoining the ring portion of the seal sleeve-shaped portion which is also formed centrally, can first circular cylindrical and then conical in longitudinal section, starting from the annular portion be.
  • An alternative form is that the sleeve-shaped portion has an arcuate contour in longitudinal section.
  • the end portion of the sleeve-shaped portion of the elastic seal has an inner contour conforming to the peripheral surface of the head portion of the projection and bears with the outer surface against the wall of the container opening, the wall cross-section of the end portion of the sleeve-shaped portion being substantially wedge-shaped.
  • This cross-sectionally wedge-shaped widening to the end section closes in the closed state of the valve, the annular gap between the head portion of the projection of the valve seat and the inner wall of the container opening, the cross-sectional shape favors the tight closure due to the restoring force of the elastic sealing material.
  • a tight closure can also be ensured by the fact that the end portion of the sleeve-shaped part of the seal is pushed back by hand, if the seal does not automatically return to the fully closed state, which u.U. with highly viscous materials. the case may be.
  • the sterilization element arranged in the intermediate space (dead volume) between the seal and the valve seat preferably surrounds the projection of the valve seat in a spiral shape.
  • the dimensions are expediently such that the sterilization element, which may be in the form of a helical spring, is in contact with the sleeve-shaped portion of the seal at the upper end portion of the projection so that it may enter the outlet of the container Microorganisms will inevitably come into contact with the sterilization element as they migrate downwards. This reliably avoids microbial contamination.
  • the sterilization element is made of silver or contains a silver coating, which unfolds a germicidal effect.
  • silver instead of silver, other oligodynamically active metals or bactericidal substances are also usable.
  • the main components of the sterile valve according to the invention are a valve seat 1, an elastic sealing body 2 and - preferably - a sterilizing element 3, which are arranged in the neck 4 of a container 5 in a manner described below.
  • a specially designed container cap 6 cooperates with the components of the sterile valve.
  • the valve seat 1 consists of a flat base plate 7 with a subsequent cylindrical peripheral wall 8 which tightly rests in the installed position on the inner wall of the container neck 4 and ends in an outwardly facing annular collar 9 which rests on the upper edge of the container neck 4.
  • the base plate 7 includes four arcuate through holes 10 which are uniformly distributed in the circumferential direction.
  • a pin-shaped projection 11 is formed, which protrudes at right angles from the base plate 7 and has a circular cylindrical shape, which merges into a frusto-conical end portion 12 which projects beyond the annular shoulder 9.
  • the sealing element 2 which consists of an elastic plastic such as ..., as the valve seat 1 is made in one piece and includes a planar ring portion 13, which merges at its radially inner peripheral edge in a sleeve-shaped portion 14 whose central longitudinal axis perpendicular to the plane of the ring portion 13 runs.
  • the sleeve-shaped portion 14 consists - starting from the ring portion 13 - of a first circular cylindrical portion 15, then a conically upwardly tapering central portion 16 and a turn on its outer contour circular cylindrical end portion 17.
  • the end portion 17 has a continuously increasing to its free end wall thickness because its inner contour with that of the section 16 is aligned conically.
  • the upper peripheral edge of the sleeve-shaped portion is designated by the reference numeral 18, while the upper edge of the projection 11 is provided with the reference numeral 19.
  • the cap 6 of the container 5 includes an upper end wall 20 and a substantially circular cylindrical peripheral wall 21.
  • a shallow indentation 22 is formed, which ends at a radially inwardly facing annular collar 23, the top of an obliquely inwards pointing circumferential nose 24 forms. This nose 24 engages under a circumferential outer projection 25 on the outside of the container neck 4 when the cap 6 is snapped onto the container neck 4.
  • annular projection 25 is integrally formed on the underside of the upper end wall 20 of the cap 6, which has such an extent that in the installed position of the sterile valve and the cap 6, the annular portion 13 of the seal body 2 fixed against the base plate 7 of Valve seat 1 presses.
  • the outlet opening 27 In the middle of the upper end wall 20 of the cap 6 there is a circular outlet opening 27 for the flowable material received in the container. Viewed in a cross-sectional view, the outlet opening 27 initially narrows slightly from the upper side 28 of the cap 6, in order to become increasingly wider after a cross-sectional curve 29. In this case, in longitudinal section, the edge contour of the outlet opening 27 extends from the top side 28 of the cap 6, viewed initially arcuately inwards and outwards again, followed by an obliquely outwardly facing section. In the narrowest point, the outlet opening 27 is rounded smooth.
  • FIGS. 5A and 5B show that the sterilization element 3, which is provided with a silver coating and has the form of a spiral screw or spiral spring, surrounds the projection 11 of the valve seat 1 at a small distance.
  • the limited by the sleeve-shaped portion 14 of the sealing member 2 and the projection 11 cavity 30 through which flows the flowable material at its metered delivery narrows - viewed in cross section - wedge-shaped towards the upper end, such that the sterilization element 3 in the upper area Touched sealing element. This is not the case in the lower region of the sealing element, where the gap between the sealing element and the projection has a considerable width.
  • the top 19 of the projection 11 is flush with the top 28 of the cap 6. This also applies to the top 18 of the sleeve-shaped portion 14 when the sterile valve is closed, ie when the ring portion 13 flat on the base plate. 7 rests.
  • the upper end portion 17 of the sleeve-shaped portion 14 fills the Sealing element 2, the annular gap between the head end 12 of the projection 11 and the peripheral wall of the outlet opening 27 completely.
  • the sealing element 2 When pressure is no longer exerted on the container contents, the sealing element 2 returns automatically due to the elasticity of its material in the starting position, the restoring force can be determined by selecting a suitable elastic material and suitable dimensions, in particular the wall thickness of the ring portion 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Closures For Containers (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Multiple-Way Valves (AREA)
  • Coating Apparatus (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Lift Valve (AREA)
EP03746804A 2002-04-19 2003-04-04 Einwegventil zur abgabe eines fliessfähigen materials Expired - Lifetime EP1499538B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200331095T SI1499538T1 (sl) 2002-04-19 2003-04-04 Enosmerni ventil za razdeljevanje prosto tekoäśega materiala

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10217655 2002-04-19
DE10217655A DE10217655B4 (de) 2002-04-19 2002-04-19 Einwegventil zur Abgabe eines fließfähigen Materials
PCT/DE2003/001108 WO2003089325A2 (de) 2002-04-19 2003-04-04 Einwegventil zur abgabe eines fliessfähigen materials

Publications (2)

Publication Number Publication Date
EP1499538A2 EP1499538A2 (de) 2005-01-26
EP1499538B1 true EP1499538B1 (de) 2007-12-19

Family

ID=28798619

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03746804A Expired - Lifetime EP1499538B1 (de) 2002-04-19 2003-04-04 Einwegventil zur abgabe eines fliessfähigen materials

Country Status (13)

Country Link
US (1) US8322578B2 (pt)
EP (1) EP1499538B1 (pt)
CN (1) CN100379653C (pt)
AT (1) ATE381498T1 (pt)
AU (1) AU2003232591A1 (pt)
BR (1) BR0309423B1 (pt)
DE (2) DE10217655B4 (pt)
DK (1) DK1499538T3 (pt)
ES (1) ES2298541T3 (pt)
MX (1) MXPA04010304A (pt)
PT (1) PT1499538E (pt)
RU (1) RU2326795C2 (pt)
WO (1) WO2003089325A2 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009048476B3 (de) * 2009-10-07 2010-09-16 Gaplast Gmbh Einwegventil

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10303605A1 (de) * 2003-01-30 2004-08-19 Gaplast Gmbh Einwegventileinrichtung
US7306129B2 (en) * 2005-11-03 2007-12-11 Stewart Swiss One way valve assembly
FR2929249B1 (fr) 2008-03-27 2012-02-17 Rexam Pharma La Verpilliere Dispositif de distribution de liquide contenu dans un reservoir
FR2950036B1 (fr) * 2009-09-11 2011-12-16 Rexam Pharma La Verpilliere Dispositif de distribution de liquide
DE102010009102B4 (de) 2010-02-24 2014-08-28 Gaplast Gmbh Doppelwandige Quetschflasche mit Ventil im Airless-System
DE102010009101A1 (de) 2010-02-24 2011-08-25 GAPLAST GmbH, 82442 Verpackung
FR2963326B1 (fr) * 2010-07-30 2012-09-07 Rexam Healthcare La Verpillier Embout et recipient de distribution de liquide
FR2963329B1 (fr) * 2010-07-30 2013-06-28 Thea Lab Tete de distribution d'un liquide goutte a goutte
FR2974742B1 (fr) 2011-05-04 2013-05-03 Rexam Healthcare La Verpillier Dispositif de distribution de liquide muni d'un canal de passage d'air
KR101278879B1 (ko) * 2012-04-06 2013-06-26 (주)연우 공기 유입 차단이 가능한 튜브용기
FR3022747A1 (fr) * 2014-06-27 2016-01-01 Albea Services Receptacle et tete de distribution pour receptacle presentant une action desinfectante
KR101563723B1 (ko) * 2015-05-23 2015-10-27 라용국 주사기용 필터 주사바늘 조립체
DE102016009484B3 (de) * 2016-08-05 2017-09-07 Gaplast Gmbh Behälterverschluss-System
DE102016222682B3 (de) * 2016-11-17 2017-10-05 Aptar Radolfzell Gmbh Austragkopf für einen Flüssigkeitsspender und Flüssigkeitsspender mit einem solchen Austragkopf
WO2020165230A1 (en) 2019-02-12 2020-08-20 Universitetet I Tromsø - Norges Arktiske Universitet A wash bottle

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009048476B3 (de) * 2009-10-07 2010-09-16 Gaplast Gmbh Einwegventil
EP2308768A1 (de) 2009-10-07 2011-04-13 GAPLAST GmbH Einwegventil zur Abgabe einer Flüssigkeit aus einem Behälter
CN102030138A (zh) * 2009-10-07 2011-04-27 盖普拉斯特有限公司 单向阀
EP2420456A1 (de) 2009-10-07 2012-02-22 Gaplast GmbH Einwegventil
EP2420455A1 (de) 2009-10-07 2012-02-22 Gaplast GmbH Einwegventil
CN102030138B (zh) * 2009-10-07 2013-05-15 盖普拉斯特有限公司 单向阀

Also Published As

Publication number Publication date
BR0309423B1 (pt) 2012-08-07
WO2003089325A2 (de) 2003-10-30
US8322578B2 (en) 2012-12-04
BR0309423A (pt) 2005-02-01
US20050224520A1 (en) 2005-10-13
CN100379653C (zh) 2008-04-09
ES2298541T3 (es) 2008-05-16
PT1499538E (pt) 2008-03-18
CN1671602A (zh) 2005-09-21
DE50308847D1 (de) 2008-01-31
EP1499538A2 (de) 2005-01-26
RU2004133809A (ru) 2005-04-20
RU2326795C2 (ru) 2008-06-20
MXPA04010304A (es) 2005-03-07
DE10217655B4 (de) 2004-05-27
DK1499538T3 (da) 2008-04-28
DE10217655A1 (de) 2003-11-06
WO2003089325A3 (de) 2004-02-12
AU2003232591A1 (en) 2003-11-03
ATE381498T1 (de) 2008-01-15

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