EP0759876A1 - Capuchon a soupape a fermeture automatique - Google Patents

Capuchon a soupape a fermeture automatique

Info

Publication number
EP0759876A1
EP0759876A1 EP95920834A EP95920834A EP0759876A1 EP 0759876 A1 EP0759876 A1 EP 0759876A1 EP 95920834 A EP95920834 A EP 95920834A EP 95920834 A EP95920834 A EP 95920834A EP 0759876 A1 EP0759876 A1 EP 0759876A1
Authority
EP
European Patent Office
Prior art keywords
valve
flange
container
closure according
self
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
EP95920834A
Other languages
German (de)
English (en)
Other versions
EP0759876B1 (fr
Inventor
Udo Suffa
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.)
Zeller Plastik Deutschland GmbH
Original Assignee
Zeller Plastik Koehn Graebner and Co
Zeller Plastik 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=6518502&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0759876(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Zeller Plastik Koehn Graebner and Co, Zeller Plastik GmbH filed Critical Zeller Plastik Koehn Graebner and Co
Publication of EP0759876A1 publication Critical patent/EP0759876A1/fr
Application granted granted Critical
Publication of EP0759876B1 publication Critical patent/EP0759876B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

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
    • B65D47/2031—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 the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure
    • B65D47/2037—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 the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure the element being opened or closed by actuating a separate element which causes the deformation, e.g. screw cap closing container slit

Definitions

  • the invention relates to a closure with a self-closing valve.
  • the closure can be used especially with tubes, cans, bags and bottles, preferably with pasty or liquid substances.
  • EP-A-395 380 describes a liquid dispenser with a self-closing valve.
  • the self-closing valve has a circumferential flange, a circumferential surface extending therefrom and a top surface with a slot provided therein.
  • the self-closing valve is arranged in the removal opening of a container, the valve flange being held in place by a retaining ring on the edge of the removal opening.
  • pressure is exerted on it, as a result of which the self-closing valve is first pushed out, ie the valve is arched from a rest position in the region of its lateral surface in such a way that the top surface emerges.
  • the slot In the unfolded position, the slot is widened to a removal opening as a result of the pressure exerted on the container.
  • the slot closes automatically and the valve reaches its rest position by being turned over.
  • the container is ventilated through the slot opening due to the negative pressure in the container.
  • a closure with a self-closing valve which has an annular flange, a cylindrical outer surface adjoining the flange and a top surface with a cross recess.
  • the ring flange of the valve is L-shaped and is held at the removal opening of a container with a retaining ring.
  • the cylindrical outer surface with the cover surface is turned inside the removal opening.
  • the valve is pushed outwards by pressure on the container and the cruciform slot is opened at even higher pressure.
  • the valve returns to its rest position.
  • the container is ventilated by opening the cross slot in the rest position.
  • a lid or a slide is provided, which prevents the contents of the container from being accidentally dispensed. When the lid is closed, the self-closing valve cannot be turned outside.
  • a closure with a self-closing valve is described in US Pat. No. 5,115,950.
  • the valve has an annular flange which is trapezoidal in cross section and thicker towards the outside.
  • the ring flange is adjoined by an outwardly directed outer surface and an inwardly curved cross-slotted top surface.
  • a tray is arranged inside the removal opening adjacent to the inside of the cover surface. This shell is held on the inner wall of the removal opening with the aid of webs.
  • the closure also has a lid which has two circumferential projections on the inside which, when the lid is closed, touch the valve on the upper edge of the lateral surface and in the region of the bowl-shaped indentation and press against the bowl.
  • the annular flange is clamped between a contact surface and a flexible tab. Either prong-like projections can be provided on the contact surface or the tab, which should improve the hold of the ring flange.
  • the invention has for its object to provide a closure with a self-closing valve that can be opened easily, seals reliably and has small dimensions, and has a container ventilation that works reliably even with small pressure differences.
  • the object is achieved with the features of the patent claims.
  • the invention is based on the following basic ideas.
  • the self-closing valve In its rest position, the self-closing valve is arranged in the closure in such a way that the ring flange bends at least at one point when there is negative pressure in a container in such a way that container ventilation takes place at this point.
  • the self-closing valve is pretensioned in its rest position by a valve support element which engages the valve bottom or parts of the underside of the ring flange in such a way that the top of the ring flange comes into contact with a corresponding annular sealing surface of the closure stands. Due to the prestress in the jacket surfaces and the construction of the ring flange, a seal between the ring flange and the associated sealing surface is ensured.
  • this part of the ring flange can bend in the manner mentioned above, ie lift it off the sealing surface and the resulting space between the top side of the ring flange and the sealing surface flow air into the container.
  • the protuberant elastic valve is arranged between an upper part with a removal opening and a lower part such that the surface with the opening of the valve rests on a pan in the lower part in its rest position and the annular flange of the valve is preferably self-centering under tension the underside of the upper part lies around the removal opening.
  • a side space is formed between the upper part, the side wall of the valve and the lower part, which is connected to a container from which a product is to be removed. The side space can be filled with the product under pressure by pressure on the container.
  • the valve carrier element is arranged directly on the upper part.
  • a bearing is created in which the slot area of the valve is exposed relative to the container.
  • arms extending from the upper part (lower part) are preferably provided, which support the valve in its rest position at, for example, four locations in the edge region of the base side such that the ring flange is held under tension against an associated sealing surface on the upper part.
  • the underside of the ring flange is free and this can lift off in the presence of a negative pressure in the container and thus provide for the container ventilation.
  • the valve carrier element is formed by a retaining ring which engages on the underside of the ring flange and presses it against an associated sealing surface, the underside of the ring flange being exposed at at least one point, as a result of which this area of the ring flange is exposed to a negative pressure can lift off the container and thus provides for the container ventilation.
  • the exposed area of the underside of the ring flange can be between 20 ° and 240 °. In other words, the underside of the ring flange is pressed against the sealing surface only in some areas with the retaining ring.
  • the invention has the advantage that a container ventilation is ensured even with small pressure differences, wherein the bendability of the ring flange of the self-closing element is advantageously used as the container ventilation,
  • a secure seal of the closure is created, which serves in particular as a transport lock.
  • the upper part is designed to be axially displaceable against the lower part, and the sealing surface around the removal opening in the upper part comes into engagement with an associated sealing surface on the lower part in such a way that together with the self-closing valve located between them, a tight seal is achieved.
  • the ring flange of the self-closing valve is clamped between the upper part and the lower part.
  • the ball socket on the lower part on which the valve rests is closed.
  • An annular projection which extends in the direction of the removal opening in the upper part is preferably provided on the edge of the ball socket.
  • the thin outer surface of the self-closing valve is pulled with pretension over this projection of the ball socket and the outer edge of the ball socket presses the ring flange against the sealing surface surrounding the removal opening on the underside of the upper part.
  • the outer surface of the valve starting from the annular flange, is placed between the annular projection on the ball socket and the inner wall of the removal opening and from there further around the projection to the ball socket. If the container is pressed in this position, the product cannot escape.
  • the self-closing valve remains in the fixed position.
  • the shape of the self-closing valve changes due to the resilient properties of the silicone.
  • the self-closing valve regains its working shape.
  • the flange of the valve continues to press upwards against the sealing edge of the upper part. If you now press on the container, product first passes through the side opening in the lower part and presses the flange firmly against the sealing edge at the removal opening in the upper part, then further against the lateral surface, ie the valve wall, which means that the valve becomes Removal process arched upwards.
  • the transport lock described above for the self-closing valve can also be used independently of the container ventilation described above. For example, a completely circumferential retaining ring could press the entire underside of the ring flange firmly against the sealing surface at the removal opening in the upper part.
  • the transport lock can also be used here in the same way.
  • FIG. 1 shows a first embodiment according to the invention in an exploded view
  • Fig. 3 shows a cross section along the line AA 1 in FIG. 2,
  • Fig. 4 shows a plan view of the embodiment according to the invention shown in FIG. 2,
  • FIG. 5 the embodiment according to FIG. 1 in the secured state
  • Fig. 6 shows another embodiment according to the invention in an exploded view
  • FIG. 10 shows the valve according to FIG. 9 in the ventilation position
  • Fig. 11 shows a third embodiment of the invention with the self-closing valve in the rest position
  • Fig. 12 is a plan view of the embodiment of Fig. 11 without a retaining ring and without a self-closing valve.
  • Fig. 1 shows a first embodiment of a closure according to the invention in an exploded view and Figures 2 to 5 show it in the assembled state.
  • a self-closing valve 4 is arranged between an upper part 2 and a lower part 1.
  • a valve is preferably used, as described in EP-A-545 678. In the rest position, the valve 4 rests with its bottom surface 4e on a closed spherical socket in the lower part 1 and with its ring flange 4a rests under tension against a sealing surface 2a on the underside of the upper part 2. Above the valve 4 there is a removal opening 3 in the upper part 2.
  • a side space 7 is formed, which through openings 6 has the interior of a container on which the closure is located , is connected (FIG. 2).
  • the ball socket is arranged on the lower part by means of webs, as a result of which the openings 6 are arranged on a circular ring around the socket 5.
  • the opening of the valve 4 is designed as a cross slot 4f, which opens under pressure and closes again automatically.
  • the lower part 1 is designed as an integrated component of a container here as a tube 10.
  • the ring flange lifts off at least one point from the associated sealing surface 2a on the underside of the upper part 2 and the container is ventilated between the top 4b of the ring flange and the sealing surface 2a.
  • the ring flange rests against the sealing surface owing to the existing tension in the self-closing valve and thus ensures a sealing closure.
  • the sealing surface 2a has a slope which is adapted to the upper side 4b of the sealing flange 4a. This ensures self-centering of the valve 4.
  • the valve 4 is only under internal stress on the upper part 2. This has the advantage that after emptying by lifting the ring flange 4a from the upper part 2, the container can be ventilated again immediately and even small pressure differences can be compensated.
  • the upper part 2 is designed to be axially movable against the lower part 1 via a steep thread, so that the valve 4 can be clamped between the upper part 2 and the lower part 1 (FIG. 5).
  • the valve flange 4a is clamped between a protrusion 5a on the edge of the pan 5 and the underside 2a of the upper part, so that the valve 4, e.g. remains reliably closed during transport.
  • the upper part 2 is screwed on, so that the valve 4 is free again.
  • FIGS. 6 to 8 show an embodiment according to the invention, in which the upper part 2 is used for securing the transport Slider with stops 9 on the lower part 1 is movable to clamp the valve 4.
  • the lower part 1 is screwed to the neck of a bottle 11.
  • an upper part 20 is placed on a lower part 1, in which the self-closing valve 4 is inserted.
  • the upper part 20 has a circumferential sealing edge 20a, against which the annular flange 4a of the valve 4 abuts in FIG. 9.
  • the upper part has four arms 22 which extend in an arc towards the inside of the container and in the edge region support the bottom surface 4e of the valve 4 in such a way that the flange 4a is pressed against the sealing surface 20a under tension.
  • a cover 24 is provided in FIG. 9 for closing the removal opening in the upper part 20, which can be pivoted with a film hinge 26.
  • the upper part 20 is connected to the lower part 1 by means of a snap connection 28.
  • a snap connection 28 For the mode of operation, reference can be made to the above description.
  • the annular flange 4a can lift off the sealing surface 20a for ventilation of the container, as is shown in FIG. 10 with the cover 24 pivoted.
  • a ventilation channel K opens between the flange 4a and the sealing surface 20a.
  • the self-closing valve 4 is clamped in the area of its ring flange 4a between the lower part 31 and a retaining ring 32.
  • the lower part 31 has a projection 34 with a sealing surface 34a, which supports at least part of the underside of the ring flange 4a and clamps it together with the retaining ring acting on the upper side of the ring flange 4a.
  • the underside of the ring flange 4a is preferably exposed from 20 ° to 240 ° and can lift off when there is a negative pressure in a container and ensure pressure equalization.
  • FIG. 12 is a top view of the embodiment from FIG. 11 shown, both the retaining ring 32 and the valve 4 have been omitted for the sake of clarity.
  • the sealing surface 34a of the projection 34 on the lower part 31 is clearly recognizable.
  • the removal opening 3 in the upper part 2 can be used as a tamper-evident device, e.g. be protected by a molded-on, tear-off plate or label.
  • a tamper-evident tamper-evident device can be provided, which prevents the upper part 2 from moving upward in the secured state before the first use.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Seal Device For Vehicle (AREA)
  • Control Of Combustion (AREA)
  • Pens And Brushes (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Magnetically Actuated Valves (AREA)
EP95920834A 1994-05-19 1995-05-18 Capuchon a soupape a fermeture automatique Revoked EP0759876B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4417569 1994-05-19
DE4417569A DE4417569A1 (de) 1994-05-19 1994-05-19 Verschluß mit selbstschließendem Ventil
PCT/EP1995/001896 WO1995032129A1 (fr) 1994-05-19 1995-05-18 Capuchon a soupape a fermeture automatique

Publications (2)

Publication Number Publication Date
EP0759876A1 true EP0759876A1 (fr) 1997-03-05
EP0759876B1 EP0759876B1 (fr) 1998-07-01

Family

ID=6518502

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95920834A Revoked EP0759876B1 (fr) 1994-05-19 1995-05-18 Capuchon a soupape a fermeture automatique

Country Status (7)

Country Link
US (1) US5904275A (fr)
EP (1) EP0759876B1 (fr)
AT (1) ATE167842T1 (fr)
AU (1) AU2614295A (fr)
CA (1) CA2190645A1 (fr)
DE (2) DE4417569A1 (fr)
WO (1) WO1995032129A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6334555B1 (en) 2000-05-25 2002-01-01 Seaquist Closures Foreign, Inc. Fitment and resealable dispensing closure assembly for high-pressure sealing and bi-modal dispensing
US6398077B1 (en) 2000-02-11 2002-06-04 Seaquist Closures Foreign, Inc. Package with multiple chambers and valves
CN111731626A (zh) * 2020-08-03 2020-10-02 潍坊市招商科瑞生物技术有限公司 一种自密封酱油瓶

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19621676A1 (de) * 1996-05-30 1997-12-11 Zeller Plastik Koehn Graebner Verschlußmembran
US5927566A (en) * 1996-07-11 1999-07-27 Aptargroup, Inc. One-piece dispensing system and method for making same
DE19640629A1 (de) * 1996-10-01 1998-04-02 Zeller Plastik Koehn Graebner Verschlussmembran
US5927567A (en) * 1996-11-12 1999-07-27 Owens-Illinois Closure Inc. Dispensing closure and method of making
ID25801A (id) * 1997-08-21 2000-11-02 Seaquist Closures Bungkus penyalur dan metode untuk membuat bungkus penyalur
US6112952A (en) * 1999-05-06 2000-09-05 Aptargroup, Inc. Valved dispensing system with hydraulic hammer protection for the valve
USD463216S1 (en) 1999-12-30 2002-09-24 Johnson & Johnson Consumer Companies, Inc. Trainer cup
USD448976S1 (en) 1999-12-30 2001-10-09 Johnson & Johnson Consumer Companies, Inc. Pinched trainer cup
USD448242S1 (en) 1999-12-30 2001-09-25 Johnson & Johnson Consumer Companies, Inc. Trainer cup
CA2624848C (fr) * 2000-04-18 2009-02-24 Avon Protection Systems, Inc. Raccord de filtre auto-obturant et ensemble masque a gaz et filtre comprenant un tel raccord
US6948642B2 (en) * 2003-09-17 2005-09-27 Adam Awad Apparatus and method for dispensing fluids into an air intake
US20050087555A1 (en) * 2003-10-28 2005-04-28 Hatton Jason D. Fluid dispensing components
DE102004010845B3 (de) 2004-03-05 2005-05-25 Seaquist-Löffler Kunststoffwerk Gmbh Verschluß für einen fließfähiges Gut enthaltenden Behälter
US8899449B2 (en) 2004-09-09 2014-12-02 Warren S. Daansen Nozzle tip with slit valve for fluid dispenser
US7398900B2 (en) * 2005-01-28 2008-07-15 Owens-Illinois Closure Inc. Dispensing closure, package and method of manufacture
DE102006017957B3 (de) * 2006-04-13 2007-05-16 Kunststofftechnik Waidhofen An Selbstschließendes Ventil
DE102006021564B3 (de) * 2006-05-08 2007-03-29 Ccc Udo Suffa Gmbh Selbstschließendes Ventil mit Ventildeckel
US7980430B2 (en) * 2007-01-19 2011-07-19 Seaquist Closures L.L.C. Valve carrier ring assembly
US7784652B2 (en) * 2007-03-27 2010-08-31 Liquid Molding Systems, Inc. Dispensing valve with hydraulic hammer resistance
US8316890B2 (en) * 2008-11-11 2012-11-27 Aptargroup, Inc. Port closure system with hydraulic hammer resistance
US20100178887A1 (en) * 2009-01-13 2010-07-15 Millam Michael J Blast shield for use in wireless transmission system
US8397957B2 (en) 2010-01-06 2013-03-19 Berry Plastics Corporation Dispensing valve
US8397958B2 (en) 2010-08-05 2013-03-19 Ds Smith Plastics Limited Closure valve assembly for a container
CN101999847A (zh) * 2010-11-03 2011-04-06 李耀强 一种调料瓶
MX339132B (es) 2011-05-04 2016-05-13 Aptargroup Inc Sistema de obturacion de orificios para usar con una herramienta de sondeo/llenado/vaciado.
USD738732S1 (en) 2011-11-30 2015-09-15 Tc Heartland Llc Bottle with cap
USD720622S1 (en) 2011-11-30 2015-01-06 Tc Heartland Llc Bottle with cap
WO2013156804A1 (fr) 2012-04-16 2013-10-24 La Paloma Bt. Produit distributeur de parfum
KR101456798B1 (ko) * 2013-10-18 2014-10-31 최준혁 이유클립
JP6671199B2 (ja) * 2016-03-16 2020-03-25 東京ライト工業株式会社 キャップ
DE102016222682B3 (de) * 2016-11-17 2017-10-05 Aptar Radolfzell Gmbh Austragkopf für einen Flüssigkeitsspender und Flüssigkeitsspender mit einem solchen Austragkopf
EP3323753B1 (fr) * 2016-11-17 2019-08-07 Aptar Radolfzell GmbH Tête de distribution et distributeur de liquide comprenant une telle tête de distribution
US10836541B2 (en) * 2017-11-27 2020-11-17 Gateway Plastics, Inc. Valve for a dispensing container
NL2022396B1 (en) * 2019-01-14 2020-08-14 Weener Plastics Group B V Valve carrier ring for self-closing dispensing valve

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See references of WO9532129A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6398077B1 (en) 2000-02-11 2002-06-04 Seaquist Closures Foreign, Inc. Package with multiple chambers and valves
US6334555B1 (en) 2000-05-25 2002-01-01 Seaquist Closures Foreign, Inc. Fitment and resealable dispensing closure assembly for high-pressure sealing and bi-modal dispensing
CN111731626A (zh) * 2020-08-03 2020-10-02 潍坊市招商科瑞生物技术有限公司 一种自密封酱油瓶

Also Published As

Publication number Publication date
DE59502696D1 (de) 1998-08-06
WO1995032129A1 (fr) 1995-11-30
DE4417569A1 (de) 1995-11-23
AU2614295A (en) 1995-12-18
ATE167842T1 (de) 1998-07-15
EP0759876B1 (fr) 1998-07-01
US5904275A (en) 1999-05-18
CA2190645A1 (fr) 1995-11-30
MX9605645A (es) 1998-05-31

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