EP1513734A1 - Bouchon de contenant autoetancheifiant - Google Patents

Bouchon de contenant autoetancheifiant

Info

Publication number
EP1513734A1
EP1513734A1 EP03760630A EP03760630A EP1513734A1 EP 1513734 A1 EP1513734 A1 EP 1513734A1 EP 03760630 A EP03760630 A EP 03760630A EP 03760630 A EP03760630 A EP 03760630A EP 1513734 A1 EP1513734 A1 EP 1513734A1
Authority
EP
European Patent Office
Prior art keywords
sealing pin
container closure
stop
container
washer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03760630A
Other languages
German (de)
English (en)
Other versions
EP1513734B1 (fr
Inventor
Wolfgang Heukamp
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.)
RPC Wiko GmbH and Co KG
Original Assignee
RPC Wiko GmbH and Co KG
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 RPC Wiko GmbH and Co KG filed Critical RPC Wiko GmbH and Co KG
Publication of EP1513734A1 publication Critical patent/EP1513734A1/fr
Application granted granted Critical
Publication of EP1513734B1 publication Critical patent/EP1513734B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/20Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018Closures 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
    • B65D47/2056Closures 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
    • B65D47/2081Closures 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D51/00Closures not otherwise provided for
    • B65D51/16Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve

Definitions

  • the invention relates to a container closure for flexible storage containers containing liquid to pasty products, such as bottles or tubes, wherein the container closure opens automatically for the discharge of the products when the storage container is compressed and closes again automatically due to the restoring force of the storage container.
  • a complex device is known from EP 0 048 420 B1, consisting of a hollow cylindrical storage container with a dispenser head with a dispenser pump, the product located in the storage container being pressed out of the storage container via the application opening by an external pressure directed downward on the dispenser pump.
  • dispensers are known to be particularly simple Version in which the product is discharged by pressing the storage container together from an opening in the storage container, the opening of the storage container being directed downward depending on the intended use and viscosity of the product. A simple cap, a screw cap, is then used to open and close the opening or a dowel.
  • Such a closure of a storage container is described in DE 692 02 466 T2. It consists of a closure body which is closed with a lid and which is screwed onto the neck of a storage container, for example.
  • a convex elastic valve with slots is located in the center of the closure body on a concave support member.
  • a disadvantage of this known container closure in addition to its complex and complicated construction with regard to its mode of operation, is that the vacuum remaining in the storage container when the external pressure is ended is only dissipated, if at all, unsatisfactorily.
  • the container closure consists of a housing with a centrally arranged, axially movable elastic annular disc and an axially displaceable sealing pin arranged centrally underneath, the axial movement of the washer downwards is limited by several stop webs and the axial movement of the sealing pin upwards by at least one stop web.
  • the stop webs limiting the axial displacement of the annular disk and the sealing pin are arranged between the annular disk and the annular projection of the sealing pin. They prevent the sealing spigot from being displaced in the same direction when the sealing washer is axially displaced while the product is being discharged, and the ring washer does not follow the inwardly displaced sealing spigot after the product has been discharged.
  • a stop web it is also possible for a stop web to be guided centrally from above through the annular disc onto the sealing pin and to prevent its upward displacement during product discharge.
  • the sealing pin is mounted on a resilient element, through which the sealing pin is pressed from below against the stop webs and against the annular disc.
  • the spring force of the spring element is dimensioned such that the restoring force of the storage container and the resulting negative pressure are sufficient to move the sealing pin inward against the spring force.
  • axially active springs can be used as spring elements, for example spiral springs or radially arranged leaf springs.
  • Ventilation position due to the restoring force of the storage container, there is a negative pressure in it; Due to its elasticity, the annular disc rests on the stop webs, the sealing pin is moved downwards against the spring force of the spring element, the container is ventilated through the gap between the annular disc and the sealing pin, which may also result in product residues (drops ) are pulled back into the storage container, the closure remains clean. After the pressure has been equalized, the sealing pin returns to its original position.
  • FIG. 1 shows a container closure in a vertical section in the starting position
  • FIG. 2 shows the container closure of FIG. 1 in the discharge position
  • Fig. 4 shows the container closure of Fig. 1, arranged in a possible
  • FIG. 8 shows an alternative embodiment of a container closure, arranged in a possible dispenser head, in a top view
  • Fig. 10 shows the container closure of Figure 9 in an enlarged partial section.
  • a container closure 1 according to the invention is shown in different closing or opening positions caused by the internal pressure of the storage container. 1 to 3, the storage container itself is not shown.
  • the container closure 1 shown in FIG. 1 in the starting position, the closed position, consists of an outer annular housing 5 with stop webs 6 arranged radially at the upper end. From the inside - in the drawing from below - against this stop webs 6 by the central head 17 Spring element with a spiral spring 4 pressed a sealing pin 3, wherein an annular projection 9 at the lower end of the sealing pin 3 limits a possible, additional axial displacement to the outside - upwards in the drawing.
  • the inner diameter of the washer 2 corresponds to the outer diameter of an annular groove 10 in the sealing pin 3, so that the washer 2 and the sealing pin 3 have a common upper surface and a sealing one Form closure.
  • FIG. 3 the container closure 1 of FIG. 1 is finally in the ventilation position after the discharge process has ended.
  • the restoring force of the storage container created a negative pressure in the interior of the storage container, as a result of which the product was drawn back into the storage container through the discharge gap 7. Due to its elasticity, the annular disc 2 returned to its starting position in FIG. 1 and now lies flat again on the stop webs 6. Furthermore, the sealing pin 3 was pulled inwards against the spring force of the spiral spring 4 of the spring element due to the negative pressure.
  • FIG. 4 shows a possible arrangement of a container closure 1 according to the invention in the dispenser head 20 of a storage container.
  • the dispenser head 20 consists of an outer annular housing 21 with a cover 23 that can be clipped on.
  • At the upper end of the dispenser head 20 there is an inner ring 22 with a screw thread for attachment to a correspondingly dimensioned storage container.
  • Within this inner ring 22 there is an annular inner chamber 24 into which the complete container closure 1 of FIG. 1 is inserted.
  • the outer annular housing 21, the Inner ring 22 and the annular inner chamber 24 are made in one piece in the illustrated embodiment.
  • the spring element used to push up the sealing pin 3 in FIGS. 1 to 4 consists of an outer ring 16 with a spiral spring 4 arranged therein and a central head 17 which presses against the sealing pin 3 from below by the spiral spring 4.
  • the upper end of the coil spring 4 is attached to the central head 17 and the lower end to the outer ring 16.
  • the spring element consisting of the spring 4, the central head 17 and the outer ring 16 thus forms a constructional unit which is pushed into the housing 5 from below.
  • FIGS. 5 to 7 Further exemplary possibilities for forming a spring element that can be used in the container closure according to the invention are shown in FIGS. 5 to 7.
  • These spring elements also consist of an outer ring 16 with a central head 17, with the central head 17 no longer being connected to the outer ring 16 by a spiral spring 4, but rather by leaf springs 18, 19, 25 guided radially inwards Central head, the leaf springs 18, 19, 25 are arranged so that they press it against the sealing pin 3 with a compressive stress from below after the installation of the spring element.
  • Possible forms of formation are, for example, smooth leaf springs 18 (FIG. 6), U-shaped leaf springs bent downward (FIG. 5) or radially angled leaf springs 25 (FIG. 7).
  • FIGS. 8 to 10 An alternative embodiment of a container closure according to the invention is shown in FIGS. 8 to 10.
  • FIGS. 8 and 9 show in a top view (FIG. 8) and in a vertical section (FIG. 9) a possible dispenser head 20 'with a housing 21 in which such an alternative container closure V is arranged.
  • the annular disc 31 with the sealing pin 30 no longer form together with the sealing pin 30 in the form of a flat surface the upper end of the container closure V, where it could easily be damaged, but they are here at the lower end of an open top funnel-shaped dispenser opening 35 and thus protected within the upper part of the container closure 1 '.
  • this funnel-shaped dispenser opening 34 there is a mandrel-like stop web 33, which is fixedly connected to the housing 5 'via three support feet 34 and guided from above onto the sealing pin 30 and limits its axial displacement upwards.
  • the sealing pin 30 is pressed from below with spring force by a spring element 4 against this mandrel-like stop web 33.
  • the annular space remaining between the sealing pin 30 and the open funnel-shaped dispenser opening 35 is closed by an annular disk 31 which is clamped with its outer edge between the stop webs 32 from below and the annular wall 36 of the funnel-shaped dispenser opening 35 from above.
  • FIG. 10 details of this container closure V are more clearly highlighted in an enlarged partial section of FIG. 9.
  • the container closure 1 in the container closure 1 'the ring disc 31 resting on the stop webs 32 and the sealing pin 30 is bulged outwards in the middle by the overpressure emanating from the storage container, as a result of which in the same way as in the case of the container closure 1, a discharge gap is formed between the sealing pin 30 and the annular disk 31, through which the material to be dispensed is discharged upwards.
  • the sealing pin 30 can do this do not follow the axial displacement of the ring disk 31 upwards, since an axial displacement upwards is prevented by the mandrel-like stop web 33 which is connected to the housing 5 'in a fixed manner via the support feet 34.
  • stop webs 32 arranged below the annular disk 31 prevent the annular disk 31 from being able to move axially downwards or to bulge inwards.
  • the sealing pin 30 moves axially downward against the spring force of the spring element 4 and thus, just as with the container closure 1, opens a ventilation gap between the sealing pin 30 and the annular disc 31, so that the material still present in the funnel-shaped dispenser opening 35 is returned to the pressure compensation Storage container is sucked.
  • the annular disk 31 In the pressureless closed position that follows after pressure equalization, the annular disk 31 then lies on the outside against the stop webs 32 and on the inside of the sealing pin 30, while the sealing pin 30 is pressed against the mandrel-like stop web 33 from below with the spring force of the spring element 4.
  • the container closure shown in the illustrated exemplary embodiments does not represent the sole design option for a container closure according to the invention. This can be varied within wide limits in terms of its dimensions depending on the product and the storage container adapted to it, without deviating from the concept of the invention with its formulated claims. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cartons (AREA)
EP03760630A 2002-06-20 2003-06-17 Bouchon de contenant auto-étancheifiant Expired - Lifetime EP1513734B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20209615U DE20209615U1 (de) 2002-06-20 2002-06-20 Selbstabdichtender Behälterverschluss
DE20209615U 2002-06-20
PCT/EP2003/006374 WO2004000672A1 (fr) 2002-06-20 2003-06-17 Bouchon de contenant autoetancheifiant

Publications (2)

Publication Number Publication Date
EP1513734A1 true EP1513734A1 (fr) 2005-03-16
EP1513734B1 EP1513734B1 (fr) 2006-07-12

Family

ID=27675262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03760630A Expired - Lifetime EP1513734B1 (fr) 2002-06-20 2003-06-17 Bouchon de contenant auto-étancheifiant

Country Status (8)

Country Link
US (1) US20050139620A1 (fr)
EP (1) EP1513734B1 (fr)
CN (1) CN100430303C (fr)
AT (1) ATE332850T1 (fr)
DE (2) DE20209615U1 (fr)
EA (1) EA005758B1 (fr)
ES (1) ES2265113T3 (fr)
WO (1) WO2004000672A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100484843C (zh) * 2006-07-28 2009-05-06 陈学办 一种旋转压缩开启并能自动关闭的瓶盖
RU2016141735A (ru) * 2014-03-25 2018-04-27 ГУАЛА ПЭК С.п.А. Горлышко для гибкого пакета с устройством пробки
US9573752B2 (en) * 2014-12-24 2017-02-21 Drink Saporé Inc. Liquid container apparatus
GB201601232D0 (en) * 2016-01-22 2016-03-09 Rieke Packaging Systems Ltd Dispensing closures and dispensers
JP6847526B2 (ja) * 2017-05-31 2021-03-24 株式会社吉野工業所 吐出容器
DE102018208110A1 (de) * 2018-05-23 2019-11-28 F. Holzer Gmbh Abgabekopf und Abgabevorrichtung zur dosierten Abgabe flüssiger Präparate sowie Verwendungsmöglichkeiten
EP3868479A1 (fr) * 2019-03-27 2021-08-25 The Fountainhead Group, Inc. Pulvérisateur alimenté par gravité
WO2020224893A1 (fr) * 2019-05-09 2020-11-12 Asml Netherlands B.V. Dispositif de guidage
JP6589158B1 (ja) * 2019-05-23 2019-10-16 株式会社ベッセル・ジャパン エアーバックレス構造
CN114521185B (zh) * 2019-07-23 2024-08-06 里克包装系统有限公司 具有内部塞件密封的全聚合物泵分配器
JP6816911B1 (ja) * 2019-08-01 2021-01-20 株式会社辰巳菱機 負荷試験装置
JP7556663B2 (ja) 2021-06-30 2024-09-26 株式会社吉野工業所 吐出キャップ

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DE913874C (de) * 1951-11-01 1954-06-21 Rudolf Valtl Selbsttaetiger Tubenverschluss
DE932237C (de) * 1952-08-14 1955-08-25 Rudolf Valtl Selbsttaetiger Tubenverschluss
SE384662B (sv) * 1974-04-08 1976-05-17 B Nilson Sjelvstengande forslutning for forpackningar
GB1593084A (en) * 1977-06-24 1981-07-15 Metal Box Co Ltd Dispensing closures
DE8235857U1 (de) * 1982-12-21 1984-05-24 Wella Ag, 6100 Darmstadt Selbsttaetiger Verschluss fuer flexible Behaelter
US4739906A (en) * 1986-07-14 1988-04-26 Blairex Laboratories, Inc. Storage bottle for contact lens cleaning solution having a self closing valve assembly
US4785978A (en) * 1987-03-02 1988-11-22 Japan Crown Cork Co., Ltd. Container closure provided with automatic opening-closing mechanism
US5273191A (en) * 1991-08-20 1993-12-28 Philip Meshberg Dispensing head for a squeeze dispenser
US5197638A (en) * 1991-10-30 1993-03-30 Allergan, Inc. Self sealing product delivery system
WO1993025319A1 (fr) * 1992-06-17 1993-12-23 Yoshino Kogyosho Co., Ltd. Buse de sortie pour pompe
DE9311684U1 (de) * 1993-08-05 1994-12-15 Wolff, Ernst, 33330 Gütersloh Verschluß für Behälter mit flüssigem oder pastenförmigem Inhalt
DE9403170U1 (de) * 1994-02-25 1994-06-16 Linneweber, Wolfgang, 33605 Bielefeld Selbstschließender Verschluß
DE4417488A1 (de) * 1994-05-19 1995-11-23 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien
FR2769595B1 (fr) * 1997-10-10 1999-11-19 Oreal Tete de distribution a reprise d'air amelioree, et ensemble de conditionnement et de distribution equipe d'une telle tete
FR2806705B1 (fr) * 2000-03-27 2002-05-03 Oreal Capsule de distribution et recipient equipe d'une telle capsule
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Also Published As

Publication number Publication date
EP1513734B1 (fr) 2006-07-12
CN1662424A (zh) 2005-08-31
DE20209615U1 (de) 2003-07-31
CN100430303C (zh) 2008-11-05
EA005758B1 (ru) 2005-06-30
DE50304238D1 (de) 2006-08-24
ATE332850T1 (de) 2006-08-15
ES2265113T3 (es) 2007-02-01
WO2004000672A1 (fr) 2003-12-31
EA200401321A1 (ru) 2005-02-24
US20050139620A1 (en) 2005-06-30

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