EP0046464B1 - Récipient de securité - Google Patents

Récipient de securité Download PDF

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Publication number
EP0046464B1
EP0046464B1 EP80105076A EP80105076A EP0046464B1 EP 0046464 B1 EP0046464 B1 EP 0046464B1 EP 80105076 A EP80105076 A EP 80105076A EP 80105076 A EP80105076 A EP 80105076A EP 0046464 B1 EP0046464 B1 EP 0046464B1
Authority
EP
European Patent Office
Prior art keywords
container
diaphragm
safety
valve cone
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
Application number
EP80105076A
Other languages
German (de)
English (en)
Other versions
EP0046464A1 (fr
Inventor
Wilhelm Ing. Schuster
Jürgen Ing. Stahl
Wilhelm Wegner
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.)
AHK Alkohol Handelskontor GmbH and Co KG
Original Assignee
AHK Alkohol Handelskontor 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
Priority to DE7923384U priority Critical patent/DE7923384U1/de
Application filed by AHK Alkohol Handelskontor GmbH and Co KG filed Critical AHK Alkohol Handelskontor GmbH and Co KG
Priority to EP80105076A priority patent/EP0046464B1/fr
Priority to AT80105076T priority patent/ATE7588T1/de
Publication of EP0046464A1 publication Critical patent/EP0046464A1/fr
Application granted granted Critical
Publication of EP0046464B1 publication Critical patent/EP0046464B1/fr
Expired 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

Definitions

  • the invention relates to a safety container with flexible, compressible container walls, in particular for dispensing easily flammable liquids, the opening of which is closed with a safety closure which is firmly seated on a container attachment and a removable cover cap, the safety closure consisting of a membrane-controlled cone valve which can be actuated by reducing the interior of the container there, the membrane has a central, delimited by a sealing edge, through which a valve cone is inserted, on which the sealing edge rests, and which is also formed on an edge of a cylindrical membrane support, the edge of which faces away from the membrane. cut is placed sealingly on the container neck.
  • An automatically closing tube closure with the features mentioned is known from DE-B-1 486 228.
  • a tube is intended for dispensing pasty or highly viscous as well as liquid or low-viscosity material, the pretensioning of a deformable cap serving as a membrane being adjusted depending on the filling material.
  • pressure is exerted on the tube wall. This overcomes the pretension of the cap, the elastic area of the cap yields and the edge of the recess in the socket lifts off the seat on the mandrel.
  • the cap returns to its original position.
  • Such a tube closure is probably self-closing. However, it is not suitable to be used as a safety lock when dispensing easily flammable liquids such as alcohol or petrol. If no more liquid is to be removed from the tube or a container provided with a similar closure and the pressure on the container wall decreases, a negative pressure is created in the interior of the tube or the container, which is caused by the inflow of air or one by evaporation is compensated for by the flammable air-gas mixture formed in the container. This is the condition where there is a risk that the flame will strike back inside the container and cause an explosion. Severe burns and injuries are often the result.
  • a container with flexible, compressible walls is known, the dispensing hole of which serves as a nozzle, which is closed with a correspondingly shaped screw cap when not in use.
  • indentations are provided in the opposite walls of the container, through which a metering of the amount of liquid to be dispensed is possible.
  • the liquid is pressed through the nozzle in a metered amount.
  • the overpressure generated in the container prevents air from entering the container for the duration of the removal process, so that a flammable liquid-air mixture is only created behind the outlet opening.
  • a negative pressure is created in the interior of the container and the situation described above occurs. The possibility of dosing through the indentations in the container walls does not change the effect.
  • the object of the invention is a.
  • a safety container of the type mentioned at the outset in that the wall of the membrane which delimits the central recess is tapered in the direction facing away from the interior of the container and protrudes axially outward in the form of a sleeve and lies sealingly against the valve cone, which in turn rests on a valve in the axial direction is resilient, provided with recesses and fitted in the membrane carrier Rinplatte.
  • the safety container according to the invention is designed so that when the contents of the container are emptied into an open fire or onto a surface heated above the point of ignition of the liquid, the flame does not strike back into the container.
  • the cone valve is closed without delay by the corresponding preloading of the membrane.
  • the membrane is expediently preloaded to such an extent that the safety closure is not opened by the pressure of the liquid column alone even when the container opening is directed vertically downwards. Since the membrane closes immediately after the dispensing process has ended, both the negative pressure now prevailing in the interior of the container and the deformation of the container wall that took place to remove the liquid initially remain, even when the container is put down from the hand.
  • the safety closure according to the invention for the safety container thus combines the functions of a check valve which can be acted upon from the inside of the container with those of a manually operated ventilation valve.
  • the necessary pre-tensioning of the diaphragm and the movement clearance required to lift off the valve cone can be applied by diaphragm shafts arranged concentrically around the recess or the sleeve. If a sufficiently elastic membrane material is used, it is also possible to design a flat membrane surface. To remove the liquid, the cuff of the membrane is lifted from its sealing seat on the valve cone by the overpressure generated from the outside inside the container. However, this closes immediately after releasing the pressure from the outside. Due to the valve cone, which is resiliently mounted in the axial direction, it can be pressed inwards to produce the pressure compensation and can thereby be easily detached from the sealing membrane.
  • the cover cap which presses the membrane against the valve cone and preferably also sits sealingly on an edge section of the membrane, provides additional security for the container which is not in use.
  • the container 1 consists of a flexible plastic and is designed in its shape so that it can be easily gripped and compressed with one hand.
  • the embodiment shown is a flat container, which has a constriction ensuring a secure grip at approximately half the height. Any other, for example rectangular or rotationally symmetrical design is also possible.
  • the approach 4 serves as a holder and guide for the safety closure designed as a cone valve 7 and for a cover cap 8.
  • a catch nose 9 which preferably encircles the approach 4
  • the cover cap 8 can be placed on the heel 4 by means of this screw guide and can be locked with a rotary movement.
  • the outside of the extension step 6 facing the outlet is designed as a carrier for one or more snap noses 11 encompassing the extension 4 in a ring shape.
  • a cylindrical membrane carrier 12 is pushed onto these snap noses 11 from the outlet side, the inner wall of which has annular recesses into which the snap noses 11 engage in a form-fitting and sealing manner.
  • the push-on depth of the membrane carrier 12 is limited by a step 14, which is recessed in a ring in the cylindrical wall 13 of this membrane carrier and lies flush on the upper edge 15 of the extension 4.
  • a membrane 16 covering its open side is formed, which has a central, circular recess 17. Concentrically extending shafts 18 are formed around this recess 17.
  • the edge of the recess 17 can be designed as such as a sealing edge. be.
  • the diaphragm 16 is raised conically outwards against the outlet at this recess 17 and forms a sleeve 19 which tapers towards the outlet and sealingly rests on the valve cone 20 inserted through the recess 17.
  • the valve cone 20 and the sleeve 19 of the membrane 16 act together as a safety closure for the container 1.
  • the valve cone 20 is elastically resilient in the axial direction.
  • a cylindrical shaped piece 21 serves as holder and support for the valve cone 20, which lies with its edge 22 facing away from the outlet on the upper edge 15 of the container 1 and radial supports 23 are drawn inwards from the upper edge edge thereof.
  • the wall 13 of the membrane carrier 12 forms a housing in which the fitting 21 is inserted with a snug fit.
  • the shaped piece 21 is fixed in its position on the container by the membrane support 12 placed on it as a cap.
  • the valve cone 20 is arranged as a hub at the abutment of the carrier 23 of the shaped piece and through the spoke-like carrier 23 resiliently mounted with movement play in the axial direction.
  • three brackets 23 are provided which are arranged at an angular distance of 120 ° and which give the shaped piece 21 a three-fold symmetry with respect to the valve cone axis.
  • pins 24 are formed on the edge of the cylindrical part of the shaped piece 21 upwards against the underside of the membrane 16.
  • the tips 25 of these pins 24 end at a short distance below the membrane 16 so that they do not touch it in the idle state.
  • the pins 24 are essentially rigid in contrast to the supports 23. The pins serve as a stop and limit the movement of the membrane 16 in the axial direction.
  • each indentation 3 permits the engagement of at least one fingertip. If the container wall 2 is pressed together at the indentations 3, the internal volume of the container is reduced by a certain amount, which is determined by the relative distance between the container walls and by a stop position in which the container walls in the indentation 3 touch on the inside . By finger pressure on the indentations 3 of the container wall 2, the amount of liquid to be dispensed can be precisely metered.
  • indentations a plurality of indentations, which practically have different output volumes, or pairs of such indentations, can be provided on the container 1.
  • pressure can also be exerted on any other part of the container wall 2 and liquid can be dispensed in the process.
  • the components of the container 1 according to the invention interact as follows.
  • an overpressure is generated within the container 1, which lifts the sleeve 19 of the membrane 16, which seals the valve cone 20 with a corresponding preload, from the valve cone 20.
  • the movement clearance required for this is applied by the concentric bellows waves 18 of the membrane 16.
  • an annular gap opens on the sealing surface between the collar 19 and the valve cone 20, through which the liquid can escape from the container 1.
  • the liquid flows through the recesses remaining in the shaped piece 21 between the carrier 23 and the pin 24, along the valve cone 20 through the annular gap and unites at the latest at the correspondingly shaped tip 26 of the valve cone 20 to form a uniform jet that separates there.
  • the sleeve 19 seals against the valve cone 20, closes the annular gap without delay and thus prevents the inflow of a potentially inflammable gas-air mixture in the container.
  • the negative pressure that arises when the manual pressure on the wall 2 in the interior of the container is released is not automatically, but only compensated for by manually venting the container.
  • the valve cone 20 is pressed axially against the spring force of the carrier 23 at its tip 26 which projects beyond the collar 19.
  • the diaphragm 16 seated sealingly on the valve cone 20 meets the pins 24, which limit the axial co-movement of the diaphragm 16, lift the sleeve 19 from the valve cone 20 and thereby aerate the container 1. After ventilation, which is achieved by a short pressure on the tip 26 of the valve cone 20, this springs back into its sealing position thanks to the elastic carrier 23.
  • the described function of the safety closure thus separates the process of dispensing liquid from the container 1 in time sequence from that of pressure equalization and thus effectively prevents hot flame gases from being sucked into an explosive gas-air mixture.
  • an easily flammable liquid can be sprayed into an open fire without hesitation.
  • indentations 3 in the container wall 2 also prevents overdosing of the dispensed liquid.
  • a further safety factor is the design of the cover cap 8, which closes the container 1 during transportation or a longer storage period.
  • a cylindrical socket 28 is formed centrally and coaxially, which fits over the tip 26 of the valve cone 20, the inner edge 29 of the socket 28 engaging over the sleeve 19 of the membrane 16.
  • the cover cap 8 is screwed onto the shoulder 4, the inner edge 29 presses on the collar 19 and locks the membrane 16 in a position pressed against the valve cone 20 in a sealing manner.
  • the safety closure 7 is thereby fixed in its closed position and the container 1 is protected against leakage.
  • an annular step 31 is also formed, which touches the upper edge of the wall 13 of the membrane carrier 12 when the cap 8 is attached.
  • the step 31 presses against it Place sealing on the membrane carrier 12 and hermetically separates the space enclosed by the cover cap 8 from the outside world. So if, due to rough pressure on the container wall 2, unusually high temperatures or damage to the safety closure, liquid escapes from the container 1, it remains encapsulated under the cover cap 8.
  • the step 31 also serves as a lock which prevents the cover cap 8 from being screwed in too deeply prevented on the container 1.
  • the container according to the invention guarantees the safe handling of easily flammable liquids by the possibility of an exact quantity dosing, the safety closure with non-return lock and the sealing cover cap. All container components are simple and economical to manufacture. In comparison to unsecured wash bottles according to the prior art, only one additional molded part is required.

Claims (9)

1. Récipient de sécurité (1) avec parois flexibles pouvant être comprimées, notamment pour la délivrance de liquides facilement inflammables, dont l'ouverture est obturée avec un dispositif de fermeture de sécurité, monté sur un appendice du récipient, et un capuchon de couvercle (8) amovible, le dispositif de fermeture de sécurité consistant en une soupape à cône (7) commandée par membrane, actionnée par réduction du volume intérieur du récipient, la membrane (16) présentant au centre un évidement (17) délimité par un bord d'étanchéité, à travers lequel est enfiché un cône de soupape (20) contre lequel s'applique le bord d'étanchéité de l'ouverture, et qui s'appuie en outre par sa forme contre un bord d'un support de membrane cylindrique, dont la portion de bord éloignée de la membrane s'applique à étanchéité sur l'appendice du récipient, récipient caractérisé en ce que la paroi de la membrane (16) qui délimite l'évidement central (17) se prolonge, en direction opposée à l'intérieur du récipient, avec rétrécissement conique, axialement vers l'extérieur sous la forme d'une manchette (19) qui s'applique à étanchéité sur le cône de soupape (20), lequel est disposé, pour sa part, sur une plaque annulaire à élasticité de ressort en direction axiale, pourvue d'évidements et s'adaptant dans le support de membrane (12).
2. Récipient de sécurité suivant la revendication 1, caractérisé en ce que le cône de soupape (20) est disposé comme moyeu de la plaque annulaire et celle-ci a la forme de bras de support en étoile (23) qui sont reliés avec une arête de bord supérieure d'une pièce moulée de forme cylindrique (21), laquelle est logée dans un siège adapté du support de membrane (12), au-dessous de la membrane (16).
3. Récipient de sécurité suivant l'une des revendications 1 et 2, caractérisé en ce que le déplacement axial de la membrane (16), soutenue par le cône de soupape (20) monté élastiquement, est limité par une butée.
4. Récipient de sécurité suivant la revendication 3, caractérisé en ce que, comme butée pour la membrane (16), sont prévus des axes essentiellement rigides (24) formés sur la plaque annulaire et. dirigés vers le haut contre la membrane (16).
5. Récipient de sécurité suivant l'une quelconque des revendications 1 à 4, caractérisé en ce que la membrane (16) est constituée d'ondulations qui s'étendent concentriquement autour de l'évidement central (17).
6. Récipient de sécurité suivant la revendication 1, caractérisé en ce que la manchette (19) de la membrane (16) qui est appliquée à étanchéité sur le cône de soupape (20) est appliquée sur le cône de soupape, par un capuchon de couvercle (8), consistant en une enveloppe cylindrique et une plaque de couvercle (27), emmanché par-dessus le dispositif de fermeture, et qui s'appuie sur le cône de soupape (20) avec une pièce d'appui (28) saillante sur la face intérieure de la plaque de couvercle (27) et engagée par-dessus les bords extérieurs de la manchette (19).
7. Récipient de sécurité suivant la revendication 6, caractérisé en ce que, dans la paroi intérieure (30) de l'enveloppe cylindrique du capuchon de couvercle (8), est prévu un épaulement décroché (31) qui s'appuie, à joint étanche, sur une portion de bord de la membrane (17).
8. Récipient de sécurité suivant la revendication 1, caractérisé en ce qu'il présente dans l'une de ses parois (2), au moins un renfoncement (3) dirigé vers l'intérieur du récipient, qui, lors de la compression des parois (2) peut être enfoncé jusqu'à son contact avec la paroi opposée du récipient.
9. Récipient de sécurité suivant la revendication 8, caractérisé en ce que, au moins deux renfoncements alignés entre eux (3) sont prévus dans des parois (2) du récipient se faisant face.
EP80105076A 1979-08-16 1980-08-27 Récipient de securité Expired EP0046464B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE7923384U DE7923384U1 (de) 1979-08-16 1979-08-16 Sicherheitsbehaelter mit Sicherheitsverschluss und Abdeckkappe
EP80105076A EP0046464B1 (fr) 1979-08-16 1980-08-27 Récipient de securité
AT80105076T ATE7588T1 (de) 1979-08-16 1980-08-27 Sicherheitsbehaelter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE7923384U DE7923384U1 (de) 1979-08-16 1979-08-16 Sicherheitsbehaelter mit Sicherheitsverschluss und Abdeckkappe
EP80105076A EP0046464B1 (fr) 1979-08-16 1980-08-27 Récipient de securité

Publications (2)

Publication Number Publication Date
EP0046464A1 EP0046464A1 (fr) 1982-03-03
EP0046464B1 true EP0046464B1 (fr) 1984-05-23

Family

ID=25948470

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80105076A Expired EP0046464B1 (fr) 1979-08-16 1980-08-27 Récipient de securité

Country Status (3)

Country Link
EP (1) EP0046464B1 (fr)
AT (1) ATE7588T1 (fr)
DE (1) DE7923384U1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9414330U1 (de) * 1994-09-03 1994-10-20 Wolff Ernst Behälter für einen flüssigen oder pastenförmigen Inhalt
DE29801220U1 (de) * 1998-01-27 1998-03-19 Dietz Irmhilde Aufhänge- und Dosiervorrichtung für Tuben
US6213355B1 (en) 1996-05-30 2001-04-10 Zeller Plastik Gmbh Closure membrane and closure employing same
CN104203764A (zh) * 2012-04-06 2014-12-10 株式会社衍宇 可切断空气流入的软管容器

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506809A (en) * 1982-06-25 1985-03-26 Calmar, Inc. Dispensing fitment for squeeze bottles
DE9004674U1 (fr) * 1989-09-20 1990-06-28 Greifensee Chem Fab Ag
US6095381A (en) * 1995-09-05 2000-08-01 Zeller Plastik Gmbh Self-closing seal with a sealing membrane
DE19640629A1 (de) 1996-10-01 1998-04-02 Zeller Plastik Koehn Graebner Verschlussmembran
FR2769598A1 (fr) * 1997-10-15 1999-04-16 Eric Donon Doseur de liquide immerge pour recipient a presser avec la main
JP2003063576A (ja) * 2001-06-15 2003-03-05 Taisei Kako Co Ltd 分与容器
FR2838108B1 (fr) * 2002-04-03 2004-06-18 Qualipac Sa Capsule de distribution de fluide
DE10303605A1 (de) * 2003-01-30 2004-08-19 Gaplast Gmbh Einwegventileinrichtung
SE530421C2 (sv) * 2006-10-19 2008-06-03 Petro Pack Ab Förpackningsventil för t.ex flaska eller tub
JP6012187B2 (ja) * 2012-01-31 2016-10-25 株式会社吉野工業所 吐出容器
US9901728B2 (en) * 2014-05-16 2018-02-27 Avent, Inc. Catheter connector insert
FR3100801A1 (fr) * 2019-09-13 2021-03-19 Sidel Participations Récipient avec un organe de régulation du débit pour la distribution de doses de produit liquide.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1535749A (fr) * 1967-06-27 1968-08-09 A Pomeon & Cie Ets Flacon doseur
DE1486228B1 (de) * 1964-07-23 1971-05-06 Robert Bihler Selbsttaetig schliessender Tubenverschluss
FR2395682A7 (fr) * 1977-06-24 1979-01-19 Metal Box Co Ltd Bouchon distributeur etanche, notamment pour recipients de produits semi-fluides

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057177A (en) * 1977-01-18 1977-11-08 Laauwe Robert H Valved squeeze bottle for viscous products

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1486228B1 (de) * 1964-07-23 1971-05-06 Robert Bihler Selbsttaetig schliessender Tubenverschluss
FR1535749A (fr) * 1967-06-27 1968-08-09 A Pomeon & Cie Ets Flacon doseur
FR2395682A7 (fr) * 1977-06-24 1979-01-19 Metal Box Co Ltd Bouchon distributeur etanche, notamment pour recipients de produits semi-fluides

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9414330U1 (de) * 1994-09-03 1994-10-20 Wolff Ernst Behälter für einen flüssigen oder pastenförmigen Inhalt
US6213355B1 (en) 1996-05-30 2001-04-10 Zeller Plastik Gmbh Closure membrane and closure employing same
DE29801220U1 (de) * 1998-01-27 1998-03-19 Dietz Irmhilde Aufhänge- und Dosiervorrichtung für Tuben
CN104203764A (zh) * 2012-04-06 2014-12-10 株式会社衍宇 可切断空气流入的软管容器
CN104203764B (zh) * 2012-04-06 2016-08-24 株式会社衍宇 可切断空气流入的软管容器

Also Published As

Publication number Publication date
EP0046464A1 (fr) 1982-03-03
ATE7588T1 (de) 1984-06-15
DE7923384U1 (de) 1982-07-08

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