EP0701949B1 - Fermeture de récipient à l'épreuve des enfants - Google Patents

Fermeture de récipient à l'épreuve des enfants Download PDF

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Publication number
EP0701949B1
EP0701949B1 EP95113000A EP95113000A EP0701949B1 EP 0701949 B1 EP0701949 B1 EP 0701949B1 EP 95113000 A EP95113000 A EP 95113000A EP 95113000 A EP95113000 A EP 95113000A EP 0701949 B1 EP0701949 B1 EP 0701949B1
Authority
EP
European Patent Office
Prior art keywords
screw cap
container closure
connection portion
projection
screwthreaded
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 - Lifetime
Application number
EP95113000A
Other languages
German (de)
English (en)
Other versions
EP0701949A2 (fr
EP0701949A3 (fr
Inventor
Günter Jakob Krautkrämer
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.)
Bericap GmbH and Co KG
Original Assignee
Bericap 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 Bericap GmbH and Co KG filed Critical Bericap GmbH and Co KG
Publication of EP0701949A2 publication Critical patent/EP0701949A2/fr
Publication of EP0701949A3 publication Critical patent/EP0701949A3/fr
Application granted granted Critical
Publication of EP0701949B1 publication Critical patent/EP0701949B1/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
    • B65D50/00—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures
    • B65D50/02—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions
    • B65D50/04—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one
    • B65D50/045—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring
    • B65D50/046—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring and such deformation causes the disengagement of locking means, e.g. the release of a pawl-like element from a tooth or abutment, to allow removal of the closure by simultaneous rotation
    • 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

Definitions

  • the present invention relates to a container closure with a container provided threaded connector and a screw cap screwed onto it, whereby at least the threaded connector made of a plastic material that can be deformed by finger pressure and there are gear elements in the area of the threaded connector and Screw cap are provided, which when the screw cap is fully screwed on engage with each other and only allow the screw cap to be unscrewed if either the threaded connector and / or the screw cap in the area of the gear elements are deformed to disengage the toothing elements.
  • Such a container closure is commonly known as a "childproof closure". Because of further details and general properties of such container closures to German patent application P 44 00, pending at the same time for the same applicant 993.3, which discloses further features and details of a closure, by which the present invention is based on. The present invention is also based on the Closure shown in this earlier application is applicable, but not exclusively limited to this. As already described in this older application, the here container closures in question either the caps or the Threaded connectors are deformed to the gear elements on screw cap and To disengage the threaded connector of a lower part of the closure.
  • a closure is also included in the German utility model G 92 06 318.7 Child lock known, in which on opposite sides of a nozzle-shaped Neck gear elements are provided in the corresponding gear elements are provided at the bottom of a screw cap.
  • the closure should in particular, the tightness of the container during transport and when not properly Guarantee handling.
  • the teeth are provided below the thread and the neck-shaped neck has an elastically flexible zone within which or on the edge of which the toothing is provided.
  • the gearing should go through Squeezing the flexible portion of the neck out of engagement.
  • Preferred material for the closure lower parts having the threaded connector is Polyethylene.
  • Such bellows closures must consist of one relatively flexible, easily deformable material, so that the bellows turned in and out can be. But also for the compression of the threaded connector itself to the It is to disengage gear elements on the threaded connector and screw cap necessary that the threaded connector from a sufficiently easily compressible, deformable and flexible material.
  • the material must go without saying be sufficiently resistant to a wide variety of container contents and must also withstand mechanical loads without causing damage such as cracks or the like occur. All of these properties are very well fulfilled by polyethylene, which, however, does not exclude that other materials with similar properties for the Lower part of the lock or the threaded connector could be used.
  • the present invention is therefore based on the object of closing a container create, in which the problem of lack of functional safety after a long time Fixed use of the closure, but at least is mitigated.
  • the threaded connector is one of them assume that such a deformation does not occur after releasing the threaded connector is completely undone, d. H. the threaded connector maintains a shape which the areas with the toothing elements radially inwards and the areas with one or more radial projections are pressed outwards.
  • the one ideally, such a threaded screw-on screw cap has a circular shape Form and at the same time consists of a much harder, less easily deformable Material that also has better elastic restoring forces.
  • the Projection can be designed in the manner of a radially projecting cam and preferably, of course, has dimensions such that its most outer lying surfaces or points that come into engagement with the inner surface of the screw cap, have the same radial distance from the imaginary axis of the screw cap as that Inner surface of the screw cap itself. This is the cam or the corresponding area of the threaded connector when screwing the screw cap back into position pressed back, which corresponds to the exact, circular shape of the threaded connector. The exact shape of the cam or protrusion is of secondary importance.
  • the cam and / or the lower edge of the screw cap z. B. have inclined ramp surfaces, to facilitate the engagement of the cam and the inner surface of the screw cap.
  • two diametrically opposite cams or projections are provided in a position offset by 90 ° to diametrically opposite toothing elements are arranged on the threaded connector.
  • the axial position of the cam is of course chosen so that it is fully on the threaded connector of the screw cap screwed on at least partially within the same lies and engages with the inner surface of the screw cap, but still axially outside of Thread of the screw cap remains, otherwise it will prevent the cap from being screwed on could.
  • the projection analogous to the toothing of the Screw cap in the above-mentioned DE-A-44 00 993.3, along an imaginary Continuation of the thread, in this case the threaded connector, could be arranged.
  • the projection or cam preferably extends axially only in one region outside the thread of the screw cap ⁇ when it is fully screwed on), in Contrary to the gear elements, which according to the preferred variant and in accordance with the above-mentioned German patent application DE-A-44 00 993.3 to the threaded area of the screw cap, the toothing elements of which are continued Threads are arranged.
  • an embodiment of the invention is preferred in which the edge of the Screw cap springs back axially in the area of its toothing elements or one Has recess.
  • the edge of the Screw cap springs back axially in the area of its toothing elements or one Has recess.
  • FIG. 1 you can see a narrow hatched closure part 6, which is a so-called Has closure foot 7, for example in the edge of a circular opening Tin container is bouncing.
  • the locking foot 7 is a flexible bellows 4 with a Bellows pourer 3 connected, which is a more or less cylindrical part, the upper one Section of a threaded connector 3a is formed.
  • the free orifice when in use the bellows spout 3 is by an unspecified seal with tear-off ring locked.
  • the screw cap 1 is somewhat wider and compared to the lower part of the closure hatched opposite slope.
  • the screw cap 1 consists of the so-called Cap base 14, one or two pull-out brackets 15, a cylindrical part 16 with an internal thread and a cylindrical sealing projection 20 which seals in the Threaded connector 3a engages while the cylindrical part 16 on the external thread of the Threaded connector 3a is screwed on.
  • FIGS. 1 coincides with the parts described so far that of Figures 1 and 2 in DE-44 00 993.3.
  • protrusions 17 are diametrically opposed and radial provided outwardly on the lower portion of the threaded connector 3.
  • FIG 1 is such a threaded connector 17, which is not visible on this illustration Located outside of the threaded connector 3, indicated by dashed lines in its outline.
  • the two diametrically opposite are in Figure 2 Recognize projections 17 in an axial plan view. The two projections 17 are 90 ° offset to the teeth 5 of the threaded connector 3.
  • FIG 3 shows a screw cap according to a variant of the present invention.
  • This Screw cap 1 'in Figure 3 differs from the screw cap 1 in Figures 1 and 2 only in that it has an inwardly projecting projection 17 'which, just like the teeth 2 also in the extension of a thread, but as close as possible is arranged at the bottom of the screw cap.
  • the position of the projection 17 ' corresponds to a screw cap completely screwed onto the threaded connector 3 exactly the position which otherwise of the outward projection 17 of the Threaded connector is taken.
  • both protrusions 17 and 17 'in essentially the same function in that they ensure that by screwing the screw cap 1 on the threaded connector 3 this after a previous one Deformation essentially returns to its largely circular cross-sectional shape is pushed back.
  • the screw cap 1 is shown in FIG. 3 in the same sectional view as in FIG Figure 1, but the lower closure part 6 is omitted, so that the view of the Threaded inner wall of the screw cap 1 is released.
  • the inwardly projecting thread webs 11 a trapezoidal profile with a band-like, flat thread surface 13.
  • the lower end portion of the thread web 11 has a series of notches 12, which are already connected in the radial sectional view were described with Figure 2 and which the teeth 2 in the form of between the Define notches 12 areas of the threaded web 11 that have remained.
  • the axial Length h of the thread web 11 and thus the minimum width of the teeth 2, which with corresponding teeth 5 of the lower closure part 6 engage, is at least 0.5 mm, but should preferably be more than 1 mm. As you can see, it has Screw cap 1 no bulge, extension or other additional space, because ultimately the teeth 2 only through recessed areas 12 in an already existing one Threaded web 11 can be defined.
  • the teeth 5 provided on the axial height corresponding to the teeth 2, which with engage teeth 2.
  • the thread of the threaded connector 3a can extend further into the area of these teeth 5, i.e. the teeth 5 could easily also define the lowest section of the thread of the threaded connector 3a.
  • the teeth 2 and the projection 17 ' are almost the same axial Drawn in height, but preferably the teeth 2 in Figure 3 should continue axially lie above, while the projection 17 'as close as possible to the lower edge 10 of the screw cap 1 should be arranged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Claims (10)

  1. Dispositif de fermeture de récipient comprenant un embout fileté (3), prévu sur un récipient, et un capuchon vissable (1), pouvant être vissé sur cet embout, dans lequel au moins l'embout fileté (3) est réalisé en une matière plastique déformable sous l'effet de la pression des doigts et dans lequel dans la zone de l'embout fileté (3) et du capuchon vissable (1) sont prévus des éléments de denture (2, 5) qui lorsque le capuchon vissable (1) est complètement vissé, viennent en prise les uns avec les autres et ne permettent un dévissage du capuchon vissable (1) que lorsque l'embout fileté (3) et/ou le capuchon vissable (1) sont déformés dans la zone des éléments de denture (2, 5), de manière à dégager les éléments de denture (2, 5), les uns des autres, caractérisé en ce que sur l'embout fileté (3) ou sur le capuchon vissable (1), au moins un appendice saillant radial (17, 17') est prévu entre l'embout fileté (3) et le capuchon vissable (1), dans une position décalée en direction circonférentielle par rapport aux éléments de denture (5) de l'embout fileté (3) ou du capuchon vissable.
  2. Dispositif de fermeture vissable selon la revendication 1, caractérisé en ce que deux appendices saillants sont prévus dans des positions diamétralement opposées.
  3. Dispositif de fermeture vissable selon l'une des revendications 1 à 2, caractérisé en ce que la distance radiale de la surface, qui est située le plus à l'extérieur, de l'appendice saillant (17) par rapport à l'axe (18) du dispositif de fermeture vissable correspond au rayon intérieur du capuchon vissable (1) axialement à l'extérieur de la partie filetée.
  4. Dispositif de fermeture vissable selon l'une des revendications 1 ou 2, caractérisé en ce que la position axiale de l'appendice saillant (17) est choisie de telle sorte que, lorsque le capuchon (1) est complètement vissé, l'appendice saillant soit situé à l'intérieur du capuchon vissable (1), tout en étant encore situé à l'extérieur de la partie filetée.
  5. Dispositif de fermeture de récipient selon l'une des revendications 1 à 4, caractérisé en ce que des éléments de denture (5) sont prévus par paires et dans des positions diamétralement opposées sur l'embout fileté (3), tandis que deux appendices saillants (17) sont disposés suivant un décalage de 90° dans la direction circonférentielle par rapport aux éléments de denture (5) et dans des positions diamétralement opposées.
  6. Dispositif de fermeture de récipient selon l'une des revendications 1 à 5, caractérisé en ce que dans la direction axiale, l'appendice saillant (17) est situé à une plus grande distance du fond du capuchon vissable, que le sont les dentures (2, 5) en prise l'une dans l'autre.
  7. Dispositif de fermeture de récipient selon l'une des revendications 1 à 6, caractérisé en ce que l'appendice saillant (17') est prévu sur le capuchon vissable (1), à proximité du bord inférieur (10) de ce dernier, de manière à faire saillie radialement vers l'intérieur.
  8. Dispositif de fermeture de récipient selon l'une des revendications 1 à 6, caractérisé en ce que l'appendice saillant (17) est prévu sur l'embout fileté (3) de manière à faire saillie radialement vers l'extérieur.
  9. Dispositif de fermeture de récipient selon l'une des revendications 1 à 8, caractérisé en ce que le bord, qui définit l'extrémité ouverte du capuchon vissable (1), comporte, au voisinage des éléments de denture du capuchon vissé, un évidement respectif (19) rentrant axialement.
  10. Dispositif de fermeture de récipient selon la revendication 9, caractérisé en ce que l'évidement s'étend jusque peu au-dessous d'une partie filetée dentée du capuchon vissable.
EP95113000A 1994-09-17 1995-08-18 Fermeture de récipient à l'épreuve des enfants Expired - Lifetime EP0701949B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4433160A DE4433160A1 (de) 1994-09-17 1994-09-17 Behälterverschluß mit Kindersicherung
DE4433160 1994-09-17

Publications (3)

Publication Number Publication Date
EP0701949A2 EP0701949A2 (fr) 1996-03-20
EP0701949A3 EP0701949A3 (fr) 1996-11-20
EP0701949B1 true EP0701949B1 (fr) 1998-06-10

Family

ID=6528473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95113000A Expired - Lifetime EP0701949B1 (fr) 1994-09-17 1995-08-18 Fermeture de récipient à l'épreuve des enfants

Country Status (3)

Country Link
EP (1) EP0701949B1 (fr)
DE (2) DE4433160A1 (fr)
PL (1) PL310496A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021042018A1 (fr) * 2019-08-29 2021-03-04 Rieke Llc Combinaison de bec verseur et de fermeture à l'épreuve des enfants

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19613213C1 (de) * 1996-04-02 1997-06-12 Stolz Heinrich Gmbh Behälterverschluß
DE29811680U1 (de) * 1998-07-01 1999-11-11 Yankee Polish Lueth Gmbh & Co Dosierkappe für fließfähige oder schüttfähige Medien
US20170073115A1 (en) * 2014-03-12 2017-03-16 Colgate-Palmolive Company Pouring Spout and Package Including the Same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473162A (en) * 1982-09-28 1984-09-25 Donoghue Robert J Child-proof closure assembly
DE9218637U1 (de) * 1992-03-26 1994-11-10 Heinrich Stolz GmbH & Co KG, 57290 Neunkirchen Verschluß für einen Behälter aus einem Verschlußunterteil und einer Schraubkappe
DE9206318U1 (de) * 1992-05-11 1992-07-30 Herberts Gmbh, 5600 Wuppertal Vorrichtung zum Verschliessen von Behältern, insbesondere von Dosen
DE4329036C2 (de) * 1993-08-30 1999-08-19 Herberts Gmbh Vorrichtung zum Verschließen von Behältern
DE4400993A1 (de) * 1994-01-14 1995-07-20 Berg Jacob Gmbh Co Kg Schraubverschluß mit Kindersicherung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021042018A1 (fr) * 2019-08-29 2021-03-04 Rieke Llc Combinaison de bec verseur et de fermeture à l'épreuve des enfants
EP4021816A4 (fr) * 2019-08-29 2023-10-11 Rieke LLC Combinaison de bec verseur et de fermeture à l'épreuve des enfants

Also Published As

Publication number Publication date
PL310496A1 (en) 1996-03-18
EP0701949A2 (fr) 1996-03-20
DE4433160A1 (de) 1996-03-21
EP0701949A3 (fr) 1996-11-20
DE59502477D1 (de) 1998-07-16

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