EP0498954B2 - Capuchon de fermeture pour fermeture en matière plastique - Google Patents

Capuchon de fermeture pour fermeture en matière plastique Download PDF

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Publication number
EP0498954B2
EP0498954B2 EP91121009A EP91121009A EP0498954B2 EP 0498954 B2 EP0498954 B2 EP 0498954B2 EP 91121009 A EP91121009 A EP 91121009A EP 91121009 A EP91121009 A EP 91121009A EP 0498954 B2 EP0498954 B2 EP 0498954B2
Authority
EP
European Patent Office
Prior art keywords
closure
loop
ring
cylinder
holding ring
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
EP91121009A
Other languages
German (de)
English (en)
Other versions
EP0498954A1 (fr
EP0498954B1 (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.)
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
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Application filed by Jacob Berg GmbH and Co KG filed Critical Jacob Berg GmbH and Co KG
Publication of EP0498954A1 publication Critical patent/EP0498954A1/fr
Publication of EP0498954B1 publication Critical patent/EP0498954B1/fr
Application granted granted Critical
Publication of EP0498954B2 publication Critical patent/EP0498954B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/06Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/061Closures 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
    • B65D47/063Closures 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 closure cap for a plastic closure, with a Screw cap, a hoop for pulling up and a retaining ring, the retaining ring being a cylindrical wall and one at the top of the cylindrical wall in a ring shape projecting flange, and one through the cylindrical wall and the flange
  • the retaining ring being a cylindrical wall and one at the top of the cylindrical wall in a ring shape projecting flange, and one through the cylindrical wall and the flange
  • screw cap, Bracket and retaining ring in one piece and at least partially by tabs that can be torn by hand are interconnected, and wherein the projection of the bracket into the plane of the flange not overlapped with this flange and the top of the cylindrical wall.
  • Such a cap is known from DE-OS 37 30 225.6.
  • the sealing cap is an annular, on the upper side of the retaining ring forming the flange, possibly partially interrupted web, which has a double ring bracket and a Screw cap comprises, wherein the ring bracket by tabs by hand tearable with the web connected is.
  • the ring bracket is designed as a double bracket and shaped so that it is partly radially inside the web, but partly also along the circumference of the in Corresponding sections of interrupted web runs. In these areas the Ring bracket are detected and bent up, the tabs between the ring bracket and web tear.
  • a closure is known from EP-A-269,499, which is obviously intended for being bounced into Sheet metal packaging is provided, i.e. in relatively well defined, on the edge inwards flanged openings in sheet metal.
  • a circlip with radially outward pointing projections inserted into a closure insert, the projections flexible wall of the insert ring of the closure below the opening edge in radial Press outwards and thus the lock or the insert ring of the lock snap onto the container.
  • the locking ring extends in the axial direction over the upper edge of the insert ring addition and still includes the upper edge of a screw cap with safety clip.
  • EP-A-044.797 is also a two-part closure consisting of one Closure insert and a cap with a ring clip known, but here no Retaining ring for fixing the insert ring is provided on the edge of a container opening. Instead, the insert ring has outward projections, which are behind the edge lock the opening of a tin container.
  • the object of the present invention is to design the cap with the features mentioned above so that the Handling for the consumer is more clearly recognizable and to be accomplished, the Cap should also be as material-saving and easy to manufacture as possible.
  • the production can be carried out in a very simple manner and material-saving, since no additional web is now required.
  • practical Trials have also shown that the short break at the outer edge of the Retaining ring for holding the handle tab on the stability of the retaining ring Abort does.
  • the retaining ring can be in its upper edge in exactly that be secured to the neck or edge of a corresponding container in the same way as this also happens with the already known closures with retaining ring.
  • the bottom or top of the screw cap which has a ring bracket, is also expediently located and retaining ring is integrally formed, in the same plane as the bracket and the upper edge of the retaining ring. This design also contributes to material savings and easy manufacture at.
  • An embodiment of the invention is preferred in which the bottom of the screw cap, the Bracket and the retaining ring together the shape of a closed on one end
  • Have hollow cylinders, with recesses in this end face and in the cylinder jacket are provided that the retaining ring through the cylinder jacket and a radially outer Part of the closed end of the cylinder is formed that the bracket with the exception of it Grip tab is located substantially radially within the retaining ring and that the bottom of the Screw cap formed by the remaining part of the closed face of the cylinder and is at least partially radially inside the bracket.
  • a substantially circular recess is provided at a distance from the cylinder jacket, which also on both sides of the tab in the radial direction to the outer edge of the Cylinder has an extension, a further, radially within this first recess Partially circular recess is provided symmetrically to the handle tab, which is the ring bracket limited in the radial direction inwards and also in the circumferential direction.
  • the ring bracket is thus essentially one between two at least partially circular Recesses formed annular part, which is also in the area of the mentioned Interruption has a grip tab directed radially outwards.
  • a grip tab directed radially outwards.
  • tabs that can be torn by hand between the bracket and the retaining ring, which bridge the first recess.
  • only a single bracket is required To be provided, which essentially consists of a extending over at least 180 °
  • the bracket has a greater thickness has than the adjacent bottom of the screw cap and possibly also thicker than the material of the part of the retaining ring lying radially outside the ring bracket. This is through a corresponding design of the injection mold is possible without any significant effort.
  • the closure cap according to the present invention can either be a retaining ring have, which is designed as a snap ring with inwardly projecting, bead-like projections is, or is designed as a screw ring with reverse rotation lock.
  • the invention is also directed to complete plastic closures with a corresponding one Closure insert and a closure cap defined in more detail above. Likewise, the invention is directed to one with such a closure cap equipped container.
  • FIG. 1 you can see a closure insert 20 which is inserted into a container neck 30.
  • a flange 21 of an insert ring 22 rests on the edge of the container neck 30.
  • the Insert ring 22 is connected via a bellows 23 to a pouring spout 24 on its external thread the screw cap 2 is screwed on.
  • the cap 1 consists in detail the radially inner screw cap 2, the screw cap 2 at least partially surrounding ring bracket 4 and the ring bracket and screw cap surrounding retaining ring 5, wherein a tab 7 of the ring bracket radially outwards in a corresponding interruption of the protrudes the upper edge of the retaining ring 5.
  • the retaining ring 5 holds the insert ring 22 or its Flange firmly on the edge of the container neck 30.
  • the screw cap 2 consists of the Screw cap base (short "base") 3, which with the ring bracket and the upper edge of the Retaining ring is essentially in one plane, and from a concentric to the retaining ring 5 cylindrical approach 11 on the bottom 3 with an internal thread and a radially inside of this, also cylindrical sealing lug 12.
  • the bottom 3 of the screw cap 2 forms together with the ring bracket 4 lying in the same plane and the retaining ring 5 a total of a part in the form of a hollow cylinder closed on one end.
  • the two ends of the bracket 4 are integrally connected to the screw cap 2, the Bracket 4 is in turn via tabs 8 that can be torn by hand (see FIG. 2) with the retaining ring 5 connected.
  • the retaining ring 5 consists of a substantially cylindrical wall 5b, one lower reinforcing edge 5c and an annular inwardly projecting collar or flange 5a. This flange 5a and the upper edge of the cylinder wall 5b have an interruption on one side in which a grip tab 7 of the bracket 5 in the radial direction to the outside protrudes. The radially outer edge of the grip tab 7 closes approximately with the Circumference of the cylinder wall 5b.
  • the cylinder wall 5b has a ring-shaped cross-section on the inside circumferential projection 13 so that the retaining ring 5 with the projection 13 when pushed on the container neck 30 behind an annular, radially facing outward Projection 31 locked on the outside of the container neck 30.
  • the projection 13 and the Projection 31 can optionally also have interruptions.
  • cap 1 and the insert 20 are made after their manufacture interconnected and delivered in the form shown in Figure 1 and thus as a unit the filling of the container pressed onto the container neck 30, the projection 13 behind the Projection 31 locked.
  • the retaining ring 5 or the flange part 5a of the retaining ring 5 is only with the tabs 8 with the Ring bracket 4 and indirectly connected via this to the screw cap 2. Furthermore a circular recess 9a extends around the ring bracket 4 and the screw cap 2 in a ring shape, both ends of this recess being widened in the radial direction or change into the interruption 6 for the handle tab 7.
  • a second extends Recess 9b, the foldable part of the ring bracket 4 from the bottom 3 of the Separates screw cap 2.
  • the bottom 3 of the screw cap 2 is in that of the recess 9b not covered circle sector expanded in the radial direction to the recess 9a.
  • this is radial extension 3 'as part of the cap base lying outside a dashed line 3 indicated.
  • the ring bracket 4 sets in the region of the ends of the recess 9b on this radial Extension 3 'of the bottom 3 of the screw cap 2.
  • Figure 3 shows the closure of Figure 1 in a view from the left, but without the Container neck.
  • the closure insert 20 can also be seen protrudes from the cap 1 open at the bottom.
  • the grip tab 7 is easy to grip and lifting up noticeably.
  • the ring bracket 4 is otherwise, as can also be seen in FIG. 1, somewhat thicker than the rest of the material lying radially inside and outside the bracket 4 Cap 1, so that it has a correspondingly higher stability and in particular a better Tear resistance, so that it the tensile forces to be applied depending on the type of closure for pulling out the pouring spout 24 in any case withstands.
  • FIG. 4 shows a section through a second embodiment of the invention, the The cutting plane is laid in the same way as in FIG. 1, but the cut is through the whole Closure stretches.
  • a closure insert 20 is also included a bellows 23 is provided, an insert ring 22 of the closure insert in sealing Engagement with the upper edge of the container neck 30 is.
  • the screw cap 2 is in turn on the external thread of the central pouring spout 24 screwed on.
  • the main difference to the first-mentioned embodiment consists in essential in the design of the inner surface of the cylinder jacket 5b and or the lower Reinforcing edge 5c of the retaining ring 5.
  • this retaining ring 5 namely has an internal thread 14, which on a corresponding external thread 32 of the container neck 30 can be screwed on. Doing so various positions of this thread are arranged with anti-rotation devices, e.g.
  • the bottom 3 of the central screw cap 2 is therefore one surrounded part-circular recess, along the outside of which the ring bracket 4 extends. This is in turn essentially circular by the ring bracket 4 and the screw cap 3 comprehensive recess 9a separated from the retaining ring 5, being opposite the handle tab 7 on the radiai expanded part of the bottom 3 of the screw cap 2 and on the radially there internally projecting flange 5a of the retaining ring 5 a driver in the form of a cam 16 and a recess for the engagement of the cam 16 is provided,
  • Figure 7 shows again schematically a cross section through a closure cap Snap edge according to the first embodiment, the cutting plane along the line VII-VII runs in Figure 2.
  • this section plane are the three main parts that make up the Cap 1, namely the screw cap 2, the ring bracket 4 and the retaining ring 5th clearly recognizable by the recesses 9a, 9b separated from each other, the recess 9a in the original state of manufacture of the cap 1 by those already mentioned Straps 8 bridges, while the ring bracket 4 with its two ends on the radial Extension 3 'of the screw cap base 3 attaches.
  • the closure cap according to the invention can be of relatively short axial length and with a minimal material consumption are produced, while still being high overall Have stability
  • the grip tab is immediately recognizable in its function for the user, what the Handling of the closure is considerably easier.
  • the cap is initially made in one piece, but later in use the retaining ring of the ring bracket and inner screw cap is separated.
  • the screw cap 2 has on the inside of the Screw cap bottom 3 has a cylindrical neck 11 with an internal thread, the dimension the external thread of the pouring spout 24 of the closure insert 20 is adapted, in addition Concentric to the cylindrical extension 11 is a smaller cylindrical sealing extension 12 provided, which engages with the upper inner edge of the pouring spout 24 when screw cap 3 is screwed completely onto closure insert 20 or pouring spout 24 is.

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

Claims (13)

  1. Capuchon de fermeture pour une fermeture en plastique, avec une capsule vissée (2), un étrier (4) destiné au relevage et une bague de blocage (5) dans lequel la bague de blocage présente une paroi cylindrique (5b) et une collerette (5a) annulaire faisant saillie vers l'intérieur formée à l'extrémité supérieure de la paroi cylindrique, et qui entoure par l'extérieur et par en haut au moyen de cette paroi cylindrique (5b) et de cette collerette (5a) un goulot (30) et une bague d'insertion (22, 21) de la fermeture, et de ce fait maintient en place la bague d'insertion (22, 21) contre le goulot (30), où la capsule vissée (2), l'étrier (4) et la bague de blocage (5) sont solidaires les uns des autres et liés les uns aux autres au moins partiellement par des languettes (8) arrachables à la main, et où la projection de l'étrier (4) dans le plan de la collerette (5a) n'est pas en chevauchement avec cette collerette (5a) et l'extrémité supérieure de la paroi cylindrique (5b), caractérisé en ce que l'extrémité supérieure de la paroi cylindrique (5b) et la collerette (5a) forment le bord supérieur de la bague de blocage (5) et elles présentent une interruption (6), destinée à une patte de préhension (7) de l'étrier (4), patte dirigée vers l'extérieur dans la direction radiale.
  2. Capuchon de fermeture selon la revendication 1, caractérisé en ce que l'étrier (4) se trouve dans le même plan que le bord supérieur de la bague de blocage (5).
  3. Capuchon de fermeture selon la revendication 1 ou 2, caractérisé en ce que le fond de la capsule vissée (2) se trouve dans le même plan que l'étrier (4) et le bord supérieur de la bague de blocage (5).
  4. Capuchon de fermeture selon l'une des revendications 1 à 3, caractérisé en ce que le fond (3) de la capsule vissée (2), l'étrier (4) et la bague de blocage (5) ont en commun la forme d'un cylindre creux, fermé sur une face frontale, auquel cas des évidements (9a,b, 6) sont aménagés dans cette face frontale et dans la surface latérale cylindrique (5b) de façon que la bague de blocage (5) soit formée par la surface latérale cylindrique (5b) et une partie (5a), disposée radialement à l'intérieur, de la face frontale du cylindre; que l'étrier (4), à l'exception de sa patte de préhension (7), se trouve essentiellement radialement à l'intérieur de la bague de blocage (5), essentiellement dans le plan de la face frontale ; et que le fond (3) de la capsule vissée (2) est formée de la partie restante de la face frontale fermée du cylindre, et se trouve, au moins partiellement, radialement à l'intérieur de l'étrier (4).
  5. Capuchon de fermeture selon la revendication 4, caractérisé en ce qu'on prévoit, dans la face frontale du cylindre creux, à distance de la surface latérale du cylindre, un évidement (9a), essentiellement circulaire, qui, des deux côtés de la patte de préhension (7), dans la direction radiale jusqu'au bord extérieur du cylindre, présente un évasement ; et que, radialement à l'intérieur de ce premier évidement (9a), est prévu un autre évidement (9b), partiellement circulaire, symétriquement par rapport à la patte d'arrachage (7), et qui délimite vers l'intérieur l'étrier (4) dans la direction radiale.
  6. Capuchon de fermeture selon la revendication 4 ou 5, caractérisé en ce qu'on prévoit entre l'étrier (4) et la bague de blocage (5) des languettes (8), qui recouvrent le premier évidement (9a) et peuvent être arrachées à la main.
  7. Capuchon de fermeture selon l'une des revendications 1 à 6, caractérisé en ce qu'on ne prévoit qu'un étrier unique (4).
  8. Capuchon de fermeture selon la revendication 7, caractérisé en ce que l'étrier est essentiellement constitué d'un étrier annulaire (4), s'étendant sur un arc d'au moins 180°, étrier qui, sur sa face extérieure, comporte une patte de préhension (7) située symétriquement par rapport aux extrémités de l'étrier.
  9. Capuchon de fermeture selon l'une des revendications 1 à 8, caractérisé en ce que l'étrier (4) a une épaisseur plus grande que le fond (3) du capuchon.
  10. Capuchon de fermeture selon l'une des revendications 1 à 9, caractérisé en ce que la bague de blocage est configurée comme un circlips, avec des saillies (10) en forme de moulure, dépassant vers l'intérieur.
  11. Capuchon de fermeture selon l'une des revendications 1 à 9, caractérisé en ce que la bague de blocage est conçue comme une bague filetée, avec une protection anti-retour.
  12. Fermeture plastique avec un insert de fermeture, qui comporte un bec verseur avec filetage extérieur, sur lequel peut être vissée la capsule vissée d'un capuchon de fermeture, caractérisée par un capuchon de fermeture selon l'une des revendications 1 à 10.
  13. Récipient caractérisé par une fermeture selon la revendication 12.
EP91121009A 1991-02-15 1991-12-07 Capuchon de fermeture pour fermeture en matière plastique Expired - Lifetime EP0498954B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4104613 1991-02-15
DE4104613A DE4104613A1 (de) 1991-02-15 1991-02-15 Verschlusskappe fuer kunststoffverschluss

Publications (3)

Publication Number Publication Date
EP0498954A1 EP0498954A1 (fr) 1992-08-19
EP0498954B1 EP0498954B1 (fr) 1995-09-20
EP0498954B2 true EP0498954B2 (fr) 2000-11-29

Family

ID=6425081

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91121009A Expired - Lifetime EP0498954B2 (fr) 1991-02-15 1991-12-07 Capuchon de fermeture pour fermeture en matière plastique

Country Status (3)

Country Link
EP (1) EP0498954B2 (fr)
DE (2) DE4104613A1 (fr)
ES (1) ES2077147T5 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2119695A1 (fr) * 1993-04-13 1994-10-14 Jeffery Lee Hess Systeme de fermeture a capsule a encliqueter
US5641099A (en) 1995-12-08 1997-06-24 Rieke Corporation Nestable pouring spout assembly
DE502006008349D1 (de) * 2006-11-17 2010-12-30 Rieke Germany Gmbh Behälterverschluss
ITMI20120450A1 (it) 2012-03-22 2013-09-23 Roem S R L Tappo versatore estensibile

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2487301A1 (fr) * 1980-07-23 1982-01-29 Bouchons Plastiques Goulot escamotable par cloquage comprenant un systeme de garantie
FR2609968B2 (fr) * 1986-11-12 1989-06-02 Remy Ets Pierre Dispositif a bec verseur escamotable et extensible
DE3730225A1 (de) * 1987-09-09 1989-03-23 Berg Jacob Gmbh Co Kg Kunststoffverschluss fuer einen kunststoffbehaelter
DE3811362A1 (de) * 1987-12-02 1989-06-22 Stolz Heinrich Kg Mit einem verschluss ausgestatteter behaelter
IT1220581B (it) * 1988-06-09 1990-06-15 Invat Srl Tappo per contenitori formato da due elementi incastrati tra loro con alta garanzia contro le manomissioni

Also Published As

Publication number Publication date
DE59106546D1 (de) 1995-10-26
EP0498954A1 (fr) 1992-08-19
DE4104613A1 (de) 1992-08-20
EP0498954B1 (fr) 1995-09-20
ES2077147T3 (es) 1995-11-16
ES2077147T5 (es) 2001-02-01

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