EP0224863A2 - Fermeture avec moyens d'aération intégrés - Google Patents

Fermeture avec moyens d'aération intégrés Download PDF

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Publication number
EP0224863A2
EP0224863A2 EP86116414A EP86116414A EP0224863A2 EP 0224863 A2 EP0224863 A2 EP 0224863A2 EP 86116414 A EP86116414 A EP 86116414A EP 86116414 A EP86116414 A EP 86116414A EP 0224863 A2 EP0224863 A2 EP 0224863A2
Authority
EP
European Patent Office
Prior art keywords
ventilation
pouring spout
bellows
closure
container
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
EP86116414A
Other languages
German (de)
English (en)
Other versions
EP0224863B1 (fr
EP0224863A3 (en
Inventor
Berg Gmbh Co Kg Jacob
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.)
Jacob Berg GmbH and Co KG
Original Assignee
Jacob Berg 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6287524&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0224863(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Jacob Berg GmbH and Co KG filed Critical Jacob Berg GmbH and Co KG
Publication of EP0224863A2 publication Critical patent/EP0224863A2/fr
Publication of EP0224863A3 publication Critical patent/EP0224863A3/de
Application granted granted Critical
Publication of EP0224863B1 publication Critical patent/EP0224863B1/fr
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
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/061—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages with telescopic, retractable or reversible spouts, tubes or nozzles

Definitions

  • the invention relates to a closure made of plastic with integrated ventilation for metal or plastic containers, with a plastic ring attachable to the container opening and a pouring spout and with at least one ventilation channel which is arranged at least partially in the region of the pouring spout.
  • closures with the features mentioned above, which are used, for example, in tinplate canisters or plastic canisters. This is particularly important for larger containers with a volume of 5 liters and more and even for larger pouring opening diameters of e.g. 40 mm and more known the disadvantageous chuckle, i.e. a strong "breathing" of the canister when pouring out the contents. It is known that the outflowing volume of filling material must be replaced by incoming air.
  • Ventilation ducts have already been considered, which, however, were cumbersome in the case of known closures and still do not function properly during operation.
  • known closures are expensive to manufacture.
  • the invention relates in particular to a bellows closure made of plastic, with a bellows which can be put in and put out again in a container opening, which at its rear end with the insertable plastic ring into the container opening or directly with the edge of the container opening and at its front end with one piece the pouring spout is connected, at least one ventilation duct being arranged on the bellows closure.
  • Bellows closures of the aforementioned type are manufactured in various embodiments.
  • a bellows closure is known in which a double-walled cylinder of smaller diameter is additionally inserted in the lower region of the cylindrical pouring spout, the inner container wall of which is extended beyond the pouring spout into the interior of the container to such an extent that a plastic ring attached to the end of the extension larger diameter with the bellows turned out approximately with the lower edge of the same.
  • the edge of the plastic ring mentioned is toothed or notched, so that air bubbles can enter the interior of the container between this edge and the bellows that has been turned out.
  • the total cross section of the openings remaining between the bellows and the plastic ring is significantly smaller than the cross section of the air inlet openings, which are formed by the spaces between the outer and inner cylinder walls of the double-walled hollow cylinder inserted into the pouring spout.
  • a bellows closure in which a ring of plastic elements is arranged at a distance from one another at the lower edge of the bellows such that they protrude radially inward when the bellows is turned out and thereby reduce the free pouring cross-section so that the liquid jet passing through has a smaller cross-section than the free pouring opening of the pouring spout, so that air can penetrate into the container between the pouring spout and the liquid jet, which air can then penetrate into the interior of the container at small openings between the fastening points of the plastic elements.
  • the ventilation device is only really functional when the bellows closure is completely turned over.
  • the invention is therefore based on the object of providing a closure with integrated ventilation which has the features mentioned at the outset and which has greater operational reliability than the known closures with integrated ventilation; in a preferred embodiment in connection with a bellows, regardless of the position of the bellows, is functionally simple and inexpensive to produce.
  • the ventilation duct extends at least over most of the length of the pouring spout and in that the ventilation duct and its walls are integrally connected to the pouring spout.
  • the plastic closure can be manufactured and handled more easily than known closures, and the operational safety and function are improved.
  • these measures can be used in various embodiments of closures of the type according to the invention, so that even closures already on the market can be provided with the new features.
  • the ventilation duct is ring-shaped and its walls delimiting it are an inner and an outer cylinder jacket, which are connected to form a double tube at the lower end facing the interior of the container, and wherein ventilation openings are arranged in the lower region of the double tube.
  • the main quantity of the same flows through the inner cylinder jacket and only partially through some ventilation openings and thus only through part of the ventilation duct.
  • the remaining ventilation duct and the remaining open ventilation openings are sufficient to allow the correct air volume to flow in to replace the outflowing liquid volume.
  • the ventilation openings are advantageously recessed at the bottom in the inner or outer cylinder jacket.
  • the ventilation openings lie on the side of the double pipe.
  • the ventilation openings can be given a larger cross section than if they were arranged in the extension of the annular ventilation channel on the inside of the double tube at the bottom. Due to the larger area of the ventilation opening, the correct operation for pouring with simultaneous inflow of replacement air is guaranteed.
  • the pouring area is 227 mm2, and if you then design the air intake area to be 93 mm2, the pouring works well with ventilation.
  • the pouring area is 453 mm2, in which case an air intake area of l38 mm2 is preferably provided in order to have a very good ventilation function.
  • the opening diameter for the pouring jet of the filling material is, for example, 24 mm, and 6 slots have been used for the air intake surface.
  • the width of the ventilation duct (measured in the radial direction) is 2 mm or more so that the function is flawless. It has been shown that, for example, by placing the canister or other positions of the double pipe, the filling material more or less runs into the ventilation duct and this at a width of less than 2 mm because of the adhesive forces of the filling material so clogged that the air can no longer flow in, even if the ventilation openings towards the inside of the canister were open.
  • the size of the ventilation duct with the (radially measured) clear width of more than 2 mm also gives the further advantage that the ventilation duct can then act as a calming space for the incoming air before the air flows out at the ventilation openings below or towards the interior of the canister. This calming improves the inflow of air when the contents flow out.
  • the pouring spout is formed by the inner cylinder jacket and is formed in one piece with the plastic ring as an insert that can be inserted into the container opening.
  • the ventilation channel is formed independently of the bellows, extends at least over the largest part of the length of the pouring spout and that the ventilation channel or whose walls are integrally connected to the pouring spout.
  • the ventilation channel is only arranged in the area of the pouring spout and is connected to it in one piece, a corresponding plastic closure can be produced more easily than the known two-part closure. Since the ventilation channel is arranged only in the region of the pouring spout and is furthermore formed independently of the bellows, its function is also independent of the position of the bellows, so that its function is in no way impaired if the bellows is not pulled out completely or, for example, by tilting the pouring spout only on one side. Greater operational reliability also results from the fact that the ventilation duct extends over most of the length of the pouring spout. This practically eliminates the risk of the emerging liquid jet expanding inside the pouring spout and beyond the ventilation duct.
  • Ventilation channel extends essentially over the entire length of the pouring spout.
  • a seal can be applied according to the invention in the pouring spout above the ventilation duct.
  • the invention also provides that even in the case of the embodiment in which the ventilation duct extends to the edge of the pouring spout, a seal covering the pouring opening is attached to the top of the pouring spout.
  • either a seal or a tear tape attached to a cap on the outside can be provided, so that there is a guarantee against manipulation of the contents, for example by emptying, refilling or refilling.
  • the function of the ventilation device is also independent of the tilting direction of the container.
  • An embodiment of the invention is preferred in which the pouring spout and the ventilation ducts are designed in the form of a double-walled hollow cylinder, the inner cylinder forming the actual pouring opening and ventilation ducts being formed by the cavity, which is divided into sectors by webs, between the inner and the outer cylinder .
  • Such an embodiment is relatively easy to manufacture and at the same time absolutely reliable.
  • the cross section of the openings of each ventilation duct directed towards the interior of the container is substantially smaller than the cross section of the opening of the respective ventilation duct directed outwards.
  • the ratio of the two opening areas to each other must be determined depending on the viscosity of the product.
  • the cross section of the opening facing the interior of the container which is generally acted upon by liquid, is not too large, because only then, due to the dynamic pressure conditions and the different viscosities of liquids and air, air bubbles through the openings enter the inside of the container, provided that liquid flows out through a larger opening at the same time.
  • the larger inlet openings for air at the other end of the ventilation channels ensure an adequate supply of air.
  • the openings of the ventilation channels directed into the interior of the container point outwards in the radial direction as seen from the center of the closure.
  • the pouring spout is expediently provided in its upper region with a thread or snap edge for an additional closure lid.
  • Such a closure lid can be provided with a tear ring for pulling out the bellows from the container opening.
  • closure lid is sealed liquid-tight with the bellows closure or with the container.
  • This embodiment is particularly preferred when the liquid channels extend to the upper edge of the pouring spout, so that a seal can no longer be easily applied.
  • the seal can then be replaced by an appropriately sealed or torn closure lid.
  • the bellows closure with integrated ventilation shown in FIG. 1 and FIG. 2 is provided especially for metal containers.
  • a plastic ring 11 of the bellows seal is inserted in a liquid-tight manner into a circular opening 18 of the container 1.
  • the container opening 18 has a folded edge 17, which can be snapped into an annular circumferential groove 19 of the plastic ring 11.
  • a spout 2 screwed cap l2 can be seen, which additionally has a partially circumferential tear ring 20, which can also serve as a seal for the cap l2.
  • the pouring spout 2 consists of a double-walled hollow cylinder, the two cylinder jackets 8, 9 being connected to one another via webs l3 visible in FIGS. 3 to 5.
  • the inner cylinder 8 forms the pouring opening 3 for the liquid to be poured out.
  • the space divided by the webs l3 between the inner cylinder 8 and the outer cylinder 9 forms the ventilation channels 4.
  • the ventilation channels 4 extend substantially over the entire length of the pouring spout 2.
  • the lower openings 6 of the ventilation channels directed into the interior of the container are essentially vertical slots, which are also visible in FIGS. 4 and 5, and which have a small cross section in comparison to the upper openings 5 and especially in comparison to the pouring opening 3 .
  • the lower openings 6 practically point outwards in the radial direction.
  • a thread 10 can still be seen, onto which the sealing cover 12 can be screwed.
  • the ventilation channels 4 and especially the cross section of the lower openings 6 are practical irrespective of the position of the bellows 7.
  • the pouring spout 2 can be inclined in any direction relative to the container surface without the function of the ventilation device being impaired thereby.
  • the ventilation device is functional even when the pouring spout 2 is in the position shown in FIG. 1 and the closure lid 12 is unscrewed.
  • FIG. 5 double the number of lower openings 6 can be seen compared to FIG. 4, to which the double number of ventilation channels 4 and webs 13 also belong.
  • FIGS. 6 and 7 differs from the previously described embodiment only in the design of the plastic ring II.
  • the embodiment shown in FIGS. 6 and 7 is intended for plastic containers 1 with an attached container neck 16, in which a relatively wide plastic ring 11 is inserted.
  • This plastic ring ll points on its outer circumference sealing lips l5, which are liquid-tight with the inner wall of the container neck l6.
  • a securing edge 14 which engages under the container neck after the plastic ring has snapped in and secures the closure against unintentional removal, for example when the bellows 7 is put out. All other features correspond to the previously described embodiments.
  • FIG. 8 shows a top view of the sealing cap 12 with a guarantee band 30, which is designed as a screw cap. Under the securing edge 14 one can see three ventilation openings 6, which are designed as narrow slots with a width of 2.5 mm.
  • this embodiment additionally shows an annular separation lip 3l in the area under the air inlet openings 6, which is also shown in the following other embodiments shown in the following FIGS. 9 to 12. This edge or this annular separating lip 3l ensures that the outflowing filling material is not disturbed by the inflowing air.
  • the separating lip 3l guides the inflowing air better in the desired direction laterally away from the outflowing filling material.
  • FIGS. 9 and 10 Another embodiment is shown in FIGS. 9 and 10, namely a plastic closure as a telescopic version.
  • the plastic ring 11 is designed as an insert with the sealing lips l5 already described above over the securing edge l4, which rest on the more or less smooth, annular surface of the neck 32 of the container l in order to form a type of labyrinth seal.
  • Those skilled in the art know that it is extremely difficult for the container manufacturer to blow the neck 32 at the opening 18 at the top in a ring shape.
  • FIG. 9 shows the all again Commonly designated 2 spout, which is practically formed by the inner cylinder jacket 8 and the outer cylinder jacket 9 (double tube) which are connected at the bottom at the end facing the interior of the container (where the annular separating lip 3l is attached) and between them the ventilation channel 4 pretend.
  • the ventilation openings 6 are provided in the form of slits in the outer cylinder jacket 9 above the separating lip 3l, and a sealing lip 33 in the shape of a ring protrudes at its upper end.
  • the closure lid l2 has on its inside toward the container, projecting radially outwards from the center point, three rings, the innermost ring forming barbs 34, which are separated from one another, for example, by slots, not shown. For example, there may be three, four, or five barbs 34.
  • the next larger ring is a sealing lip 35 which is intended to prevent the filling material from flowing out through the ventilation channel 4 when the container is lying down.
  • the last, largest and outermost ring seen from the inside out is a sealing lip 35 to prevent the filling material from escaping in the retracted state of the telescopic closure according to Figure 9.
  • the guarantee band 30 is formed, which extends inwards protruding tongues 36 carries, which are in contact outside the outer surface of the neck 32 and ensure tearing of the guarantee tape 30 when unscrewing the closure lid l2.
  • the outer cylinder jacket 9 rests on the insert socket (plastic ring 11) via a retaining bead 37 and is prevented from slipping into the interior of the container during transport.
  • the barb 34 also prevents the double pipe (pouring spout 2) from falling into the container 1.
  • FIG. 11 Another embodiment of a closure without bellows is shown in section in FIG. 11, again with the annular separating lip 3l, the air inlet openings 6, the ventilation duct 4 and the inner cylinder jacket 8.
  • the thread 39 is immediately formed on the outer cylinder jacket, for example for screwing on a screw cap , and underneath there are the annular flanges and recesses of the insert nozzle ll ', which here represents practically the entire plastic ring.
  • This closure according to Figure II allows the ventilation system to be transferred to tinplate containers.
  • Figure l2 finally shows a plastic can l with screwed-on cap l2, to the left of the dash-dotted center line in section and to the right of it in plan view.
  • it is not a snap-in closure, but the closure shown here is screwed onto the container neck 32 as a unit.
  • the connecting piece 11 was screwed into the outer screw cap (sealing cover l2) via the thread 40.
  • This unit is then screwed over the conical surface (at the air inlet openings 6) with good centering on the external thread of the container neck 32.
  • the insert nozzle II shown in Figure l2 is designed so that it takes over the function of a screw cap, because it is simply screwed on in the manner described above and then seals in dop pelter way, namely end face measured on the narrow ring surface at the top of the container neck 32 and also on a perpendicular to it, namely the inner ring surface at a height of about 2 mm from the end face.
  • a sealing pressure is generated on the end face on the container neck 32 by the screw.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP86116414A 1985-12-04 1986-11-26 Fermeture avec moyens d'aération intégrés Expired - Lifetime EP0224863B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3542769 1985-12-04
DE19853542769 DE3542769A1 (de) 1985-12-04 1985-12-04 Balgverschluss mit integrierter belueftung

Publications (3)

Publication Number Publication Date
EP0224863A2 true EP0224863A2 (fr) 1987-06-10
EP0224863A3 EP0224863A3 (en) 1988-10-05
EP0224863B1 EP0224863B1 (fr) 1991-03-20

Family

ID=6287524

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86116414A Expired - Lifetime EP0224863B1 (fr) 1985-12-04 1986-11-26 Fermeture avec moyens d'aération intégrés

Country Status (3)

Country Link
EP (1) EP0224863B1 (fr)
DE (2) DE3542769A1 (fr)
ES (1) ES2021578B3 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989002856A1 (fr) * 1987-09-24 1989-04-06 The British Petroleum Company Plc Recipient pour liquides
FR2623778A1 (fr) * 1987-11-27 1989-06-02 Remy Ets Pierre Dispositif verseur pour conteneur
EP0345502A1 (fr) * 1988-06-09 1989-12-13 Invat S.R.L. Dispositif de bouchage inviolable pour récipients comportant deux éléments s'engageant l'un dans l'autre
EP0417453A1 (fr) * 1989-09-11 1991-03-20 Invat S.R.L. Capuchon extensible pour bouteille ou bidon avec système anti-vol
US5002209A (en) * 1987-11-26 1991-03-26 Goodall Donald T Pouring device having a tubular body and a plurality of flexibly mounted breather/vent tubes
EP0432433A1 (fr) * 1989-12-09 1991-06-19 Jacob Berg GmbH & Co. KG Bouchon verseur avec ventilation
US5088632A (en) * 1989-01-23 1992-02-18 Astra Plastique Liquid-tight closure assembly with multidirectional orientation and retractible pourer tube
WO2010066926A1 (fr) * 2008-12-10 2010-06-17 Capsulas Torrent, S.A. Bouchon verseur à canule rétractable
DE102010009211A1 (de) * 2010-02-25 2011-08-25 Tbg Technische Beteiligungsgesellschaft Ag Kanister
CN111071618A (zh) * 2019-12-26 2020-04-28 中山市意创科技研发有限公司 一种可辅助倒取的盖组件

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3730225A1 (de) * 1987-09-09 1989-03-23 Berg Jacob Gmbh Co Kg Kunststoffverschluss fuer einen kunststoffbehaelter
DE19807768A1 (de) 1998-02-24 1999-08-26 Bericap Gmbh & Co Kunststoffdeckel mit Kunststoffverschluß
WO2022038135A1 (fr) 2020-08-19 2022-02-24 Thyssenkrupp Steel Europe Ag Procédé de fabrication d'un produit plat en acier ayant un revêtement résistant à la corrosion à base d'aluminium, et produit plat en acier ayant un revêtement résistant à la corrosion à base d'aluminium

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2040545A (en) * 1934-09-24 1936-05-12 Byers Edwin Harold Dispenser cap for containers
US2750063A (en) * 1955-07-14 1956-06-12 Opsitnik William Non-drip insert for bottles
US2898014A (en) * 1956-08-01 1959-08-04 John E Borah Combination extensible and foldable vent and spout for containers
US3075676A (en) * 1959-07-31 1963-01-29 South Bend Modern Molding Inc Container spout
DE6802086U (de) * 1968-10-10 1969-04-10 Theo Schiller Ausgiessvorrichtung fuer fluessigkeitsbehaelter
GB1349535A (en) * 1971-05-17 1974-04-03 Rieke Corp Assembly of a container and a closure
US4295583A (en) * 1979-08-09 1981-10-20 Rieke Corporation Closure cap vent
DE3328319A1 (de) * 1983-08-05 1985-02-14 Wolfram Dr. 7140 Ludwigsburg Schiemann Auslaufrohr
DE3328953A1 (de) * 1983-08-11 1985-02-21 Jacob Berg Kg, 6501 Budenheim Behaelterverschluss zum be- oder entlueften eines behaelters
DE3342673A1 (de) * 1983-11-25 1985-06-05 Jacob Berg Kg, 6501 Budenheim Behaelterverschluss fuer einen behaelter mit einem behaelterhals

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4971230A (en) * 1987-09-24 1990-11-20 The British Petroleum Company P.L.C. Container for liquids
WO1989002856A1 (fr) * 1987-09-24 1989-04-06 The British Petroleum Company Plc Recipient pour liquides
AU611958B2 (en) * 1987-09-24 1991-06-27 British Petroleum Company Plc, The Container for liquids
US5002209A (en) * 1987-11-26 1991-03-26 Goodall Donald T Pouring device having a tubular body and a plurality of flexibly mounted breather/vent tubes
FR2623778A1 (fr) * 1987-11-27 1989-06-02 Remy Ets Pierre Dispositif verseur pour conteneur
EP0345502A1 (fr) * 1988-06-09 1989-12-13 Invat S.R.L. Dispositif de bouchage inviolable pour récipients comportant deux éléments s'engageant l'un dans l'autre
US5088632A (en) * 1989-01-23 1992-02-18 Astra Plastique Liquid-tight closure assembly with multidirectional orientation and retractible pourer tube
EP0417453A1 (fr) * 1989-09-11 1991-03-20 Invat S.R.L. Capuchon extensible pour bouteille ou bidon avec système anti-vol
EP0432433A1 (fr) * 1989-12-09 1991-06-19 Jacob Berg GmbH & Co. KG Bouchon verseur avec ventilation
WO2010066926A1 (fr) * 2008-12-10 2010-06-17 Capsulas Torrent, S.A. Bouchon verseur à canule rétractable
ES2350780A1 (es) * 2008-12-10 2011-01-27 Capsulas Torrent, S.A. Tapon vertedor con canula retraible.
DE102010009211A1 (de) * 2010-02-25 2011-08-25 Tbg Technische Beteiligungsgesellschaft Ag Kanister
EP2361840A1 (fr) * 2010-02-25 2011-08-31 TBG Technische Beteiligungsgesellschaft AG Bidon
CN111071618A (zh) * 2019-12-26 2020-04-28 中山市意创科技研发有限公司 一种可辅助倒取的盖组件
WO2021129801A1 (fr) * 2019-12-26 2021-07-01 李红彪 Ensemble couvercle à déversement assisté

Also Published As

Publication number Publication date
EP0224863B1 (fr) 1991-03-20
EP0224863A3 (en) 1988-10-05
ES2021578B3 (es) 1991-11-16
DE3678256D1 (de) 1991-04-25
DE3542769A1 (de) 1987-06-11

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