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EP0221419A2 - Fermeture inviolable pour récipients - Google Patents

Fermeture inviolable pour récipients Download PDF

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Publication number
EP0221419A2
EP0221419A2 EP86114407A EP86114407A EP0221419A2 EP 0221419 A2 EP0221419 A2 EP 0221419A2 EP 86114407 A EP86114407 A EP 86114407A EP 86114407 A EP86114407 A EP 86114407A EP 0221419 A2 EP0221419 A2 EP 0221419A2
Authority
EP
European Patent Office
Prior art keywords
neck
flange
bellows
face
closure
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.)
Withdrawn
Application number
EP86114407A
Other languages
German (de)
English (en)
Other versions
EP0221419A3 (fr
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
Application filed by Jacob Berg GmbH and Co KG filed Critical Jacob Berg GmbH and Co KG
Publication of EP0221419A2 publication Critical patent/EP0221419A2/fr
Publication of EP0221419A3 publication Critical patent/EP0221419A3/fr
Withdrawn legal-status Critical Current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
    • B65D47/063—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 with flexible parts
    • 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure

Definitions

  • the invention relates to a locking device secured against external interference on the neck of a plastic container, with a pouring spout that can be folded out over a bellows-like section, with a sealing membrane and screw cap, with a sealing plate arranged centrally over the locking device via a coaxially arranged outer retaining ring that overlaps the outer bearing ring of the bellows-like section is attached to the end face of the container neck in that the outer edge of the retaining ring is formed under an undercut on the neck.
  • Closure devices which are arranged and fastened there, separately from containers, in particular in their topsoil, exist in numerous types of containers.
  • Sheet metal casings are known, e.g. Tin canister with a more or less flat top surface, in which a perforated edge is formed with a neck ring flanged outwards axially to the pouring spout.
  • the cross section of this neck ring is approximately circular, and in other known tin cans there are round surfaces on the top of the neck rings at the hole edges in cross section, on which the respective outer support ring of the bellows-like section of the closure device is placed.
  • sealing plates have already been placed on the sealing device and fastened to the container neck by means of retaining rings made of sheet metal, such that the sealing device can only be removed from the container neck by breaking the sealing plate.
  • the sealing plate which is often designed in the form of a circular disc with the outer edge bent down in the axial direction of the pouring spout and lip protruding outwards, is held on the holding ring on the container neck by a corresponding inner lip of the holding ring engaging over the outer lip of the sealing plate and thus without damaging the holding ring the sealing plate cannot be removed from the neck of the container.
  • the retaining ring in turn is permanently deformed by the fact that its outer edge is molded under the raised bead of the hole edge, where there is an annular groove in the manner of an undercut, so that practically a unit is formed between the holding ring and the hole edge.
  • This permanent deformation of the outer edge of the retaining ring takes place in the form of squeezing with a clinching pliers, which can be operated manually or hydraulically and has several segments.
  • This squeezing force of the clinching device which acts generally perpendicular to the axis of the pouring spout, creates a seal on the surface of the perforated edge bead, which is partially circular in cross section, which is necessary for every proper attachment of the closure device to the container, because otherwise the filling material runs out.
  • the material metal is displaced by -the plastic, it is of course also plastic containers and canisters in multiple form, one wants to also sealed with the above-described separate closure devices.
  • the upper bases of the plastic containers also have collars or necks on which the closure devices are to be fastened in a corresponding manner. If one wants a secured against external interference closure device similar to the known metal packaging, it must be produced economically and for a good sealing V dung erbin- of the container neck are provided between the outer bearing ring of the closure device and the upper end.
  • the containers for numerous filling goods have to be reliably sealed, e.g. Plant protection products or the like must not be vented to the atmosphere as desired before use and especially during transport, but there is a great risk of leakage, especially under industrial conditions with the roughness that is often found there, if a sealing ring is used on the upper edge of the plastic neck is tried with clinching.
  • the object of the invention is therefore to provide a locking device secured against external interference on the neck of a plastic container with the features specified in the introduction, which is suitable for the transport of dangerous goods by road, rail, sea and aviation is without the need for expensive and difficult special productions of the neck of the plastic container.
  • the wall thickness of the substantially cylindrical neck is approximately equal to that of the plastic container, a radially outwardly projecting flange is formed on the outer end of the neck, the support ring of the bellows at least partially rests on the flat end face of the flange and the outer edge of the retaining ring is rolled under pressure in the axial direction under the flange.
  • a closure device of the desired type can be created, in which the instability of the plastic, as has been encountered and feared so far during sealing, is eliminated; and this with a neck made of plastic, which does not have an extreme wall thickness but essentially the same wall thickness as the plastic container.
  • the plastic container with the new closure device satisfies the strict requirements in testing for leaks when the particular critical points are subjected allculturalen such a packaging printing and F.
  • a force of three tons is applied for the compression in the described axial direction of the plastic neck, so that, understandably, reliably dense, clinging surfaces form between the mentioned support ring and the flange.
  • the outer bearing ring of the bellows-like section has a collar projecting towards the end face of the flange in the axial direction of the pouring spout.
  • the closures according to the invention are always aimed at mass production. It is therefore desirable to have a sealing option of the type described above with a standard closure. If such a collar now protrudes axially towards the inside of the container on the outer support ring, then it is sufficient to place this collar on the flange of the plastic neck in order to obtain the desired reliable tightness with the measures according to the invention, and nevertheless one can use the same plastic closure that one also used in other areas of application, for closing plastic containers for the transport of dangerous goods. The invention thus enables considerable mass production of closures.
  • an outer support ring of the bellows-like section is used without a collar which is axially to the inside of the container; or if such a covenant is shortened.
  • the Bund or the outer area of the support ring which is placed on the flange of the plastic neck and pressed with it, leaves an annular space radially inward, which is smaller when the collar is shortened or is omitted when the collar is missing. Without an annular space and without a collar, more material from the outer edge of the retaining ring can be rolled under the radially outwardly projecting flange of the plastic neck. D a-through the attachment is particularly secure.
  • the flange protrudes radially from the outer surface of the plastic neck by about 2 mm to 2.5 mm, so that a rather large shoulder or undercut results.
  • the arrangement of this flange also advantageously results in good stability, which has proven particularly advantageous in drop tests and tests with high internal pressures. This is also a factor to escape the instability of the plastic and still create good tightness by rolling in a retaining ring made of sheet metal (permanent deformation) using pressure.
  • the end face of the flange is partially deformed by pressing on the support ring.
  • the simplest way to manufacture the plastic neck is to create the cylindrical shape with a flange which is radially molded on the pouring end and which offers a flat end face.
  • the pressure acting in the direction of the neck axis on the retaining ring can exert such a strong force between the support ring, which, for example, only rests on the flange in its radially outer region, and the end face of the flange, that in the outermost quarter or third of the radially projecting flange, its edge Deformation occurs when a chamfer is formed.
  • the two surfaces forming the seal between them lay firmly on top of one another and thus produce the desired reliable seal.
  • Another advantageous option is to that either on the radial surface under the collar or on the flat ring surface of the outer bearing ring of the bellows protrudes a sealing lip protruding to the inside of the container, which is crushed when the outer ring of the retaining ring is pressed together and rolled up and thus also a particularly good seal on the flange the neck of the container.
  • a neck 3 On the top 1 of a plastic container 2, a neck 3 is shown, the wall thickness of which is approximately equal to that of the top 1. At the outer upper end of the neck 3 there is shown a flange 4 projecting radially outwards, the annular, flat end face 5 of which is perpendicular to the axis 6 of the neck.
  • the overall locking device designated 7 is also concentric with the axis 6 and consists in a manner known per se a bellows-like section 8 with an outer support ring 9 on the outside and with a pouring spout 10 with a closure membrane 11 and a screw cap 12 on the other inside.
  • a sealing plate 13 is placed centrally on the locking device 7, centered on the axis 6.
  • This sealing plate 13 has an annular edge 14 running parallel to the axis 6 and having a lower outer peripheral lip 15, which is overlapped by the inner lip 16 of an outer retaining ring 17. If you fasten the retaining ring 17 to the neck 3 of the plastic container 2, then the sealing plate 13 is also fixed and can only be removed by at least partially destroying it so that the closure device 7 is removed or opened below it. This can be seen after the procedure.
  • the retaining ring 17 is fastened to the container neck 3 by rolling the outer edge 18 under the annular undercut 19 given by the flange 4, which could also be referred to as a shoulder.
  • the outer support ring 9 of the bellows-like section 8 has different designs.
  • an annular inner space 21 results above the end face 5 of the collar 20 by a collar 20 pointing downwards in the direction of the axis 6 towards the interior of the container 2 Flange 4 lies.
  • the closure device 7 is inserted into the neck and placed on the flange 4 in such a way that the outer bearing ring 9 of the bellows-like section 8 lies at least partially flat on the end face 5 of the flange 4.
  • the outer bearing ring 9 of the bellows-like section 8 lies at least partially flat on the end face 5 of the flange 4.
  • this collar 20 does not exist, and therefore the bearing ring 9 lies on the flange 4 over the entire surface.
  • FIGS. 1, 3, 5 and 7 each show the non-closed and non-sealed state, namely only the state of the closure device 7 with the retaining ring 17. Therefore, the outer edge 18 of the retaining ring 17 is still approximately parallel to the axis 6 downward in the direction of the neck 3.
  • the retaining ring 17 is attached to the neck 3 by rolling this outer edge 18 under the flange 4 into the undercut 19.
  • the closed, sealed state is then shown in FIGS. 2, 4, 6 and 8.
  • These compressive forces in the direction of the axis 6 are considerable and possible, although the wall thickness D of the neck 3 is approximately equal to the wall thickness d of the plastic container 2 or its top 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP86114407A 1985-11-07 1986-10-17 Fermeture inviolable pour récipients Withdrawn EP0221419A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853539405 DE3539405A1 (de) 1985-11-07 1985-11-07 Gegen aeussere eingriffe gesicherte verschlussvorrichtung eines behaelters
DE3539405 1985-11-07

Publications (2)

Publication Number Publication Date
EP0221419A2 true EP0221419A2 (fr) 1987-05-13
EP0221419A3 EP0221419A3 (fr) 1988-06-29

Family

ID=6285321

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86114407A Withdrawn EP0221419A3 (fr) 1985-11-07 1986-10-17 Fermeture inviolable pour récipients

Country Status (2)

Country Link
EP (1) EP0221419A3 (fr)
DE (1) DE3539405A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0340554A2 (fr) * 1988-04-30 1989-11-08 Heinrich Stolz GmbH & Co KG Récipient ayant une fermeture rentrée dans sa partie supérieure, emprisonnée sous un cachet
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
FR2649957A1 (fr) * 1989-07-18 1991-01-25 Cafes Sa Cie Mediterraneenne Conditionnement pour grains de cafe se fixant directement sur le moulin a cafe et comportant un embout raccord doseur
WO2004078597A3 (fr) * 2003-02-28 2005-01-27 Michel Guillot Capsules interiorisees de securite
US7614530B2 (en) 2006-06-12 2009-11-10 Rieke Corporation Closure assembly having a spout with a memory band for spout directing
US7789277B2 (en) 2006-06-12 2010-09-07 Rieke Corporation Closure assembly having a spout with a thicker band for spout directing
CN102001481A (zh) * 2010-11-30 2011-04-06 吴江市华源印铁制罐有限责任公司 易开启盖
US8292133B2 (en) 2009-05-07 2012-10-23 Rieke Corporation Vented closure assembly for a container

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4130950A1 (de) * 1991-09-18 1993-04-01 Stolz Heinrich Gmbh Verschluss mit einem auf einen behaelter mit behaelterstutzen aufrastbaren verschlussteil
DE4342680A1 (de) * 1993-12-15 1995-06-22 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung für Medien

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB882399A (en) * 1958-02-17 1961-11-15 Rieke Metal Products Corp Vented pour spout
GB1349535A (en) * 1971-05-17 1974-04-03 Rieke Corp Assembly of a container and a closure
GB2055088A (en) * 1979-07-26 1981-02-25 Rieke Corp Container closure device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB882399A (en) * 1958-02-17 1961-11-15 Rieke Metal Products Corp Vented pour spout
GB1349535A (en) * 1971-05-17 1974-04-03 Rieke Corp Assembly of a container and a closure
GB2055088A (en) * 1979-07-26 1981-02-25 Rieke Corp Container closure device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0340554A2 (fr) * 1988-04-30 1989-11-08 Heinrich Stolz GmbH & Co KG Récipient ayant une fermeture rentrée dans sa partie supérieure, emprisonnée sous un cachet
EP0340554A3 (fr) * 1988-04-30 1990-01-31 Heinrich Stolz GmbH & Co KG Récipient ayant une fermeture rentrée dans sa partie supérieure, emprisonnée sous un cachet
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
FR2649957A1 (fr) * 1989-07-18 1991-01-25 Cafes Sa Cie Mediterraneenne Conditionnement pour grains de cafe se fixant directement sur le moulin a cafe et comportant un embout raccord doseur
US5125542A (en) * 1989-07-18 1992-06-30 Compagnie Mediterraneenne Des Cafes S.A. Packaging for coffee beans securable directly on a coffee mill and comprising a connecting dispensing cap
WO2004078597A3 (fr) * 2003-02-28 2005-01-27 Michel Guillot Capsules interiorisees de securite
US7614530B2 (en) 2006-06-12 2009-11-10 Rieke Corporation Closure assembly having a spout with a memory band for spout directing
US7789277B2 (en) 2006-06-12 2010-09-07 Rieke Corporation Closure assembly having a spout with a thicker band for spout directing
US8292133B2 (en) 2009-05-07 2012-10-23 Rieke Corporation Vented closure assembly for a container
CN102001481A (zh) * 2010-11-30 2011-04-06 吴江市华源印铁制罐有限责任公司 易开启盖

Also Published As

Publication number Publication date
EP0221419A3 (fr) 1988-06-29
DE3539405A1 (de) 1987-05-14

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