EP0385104B1 - Fermeture en plastique à bande arrachable - Google Patents

Fermeture en plastique à bande arrachable Download PDF

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Publication number
EP0385104B1
EP0385104B1 EP90101474A EP90101474A EP0385104B1 EP 0385104 B1 EP0385104 B1 EP 0385104B1 EP 90101474 A EP90101474 A EP 90101474A EP 90101474 A EP90101474 A EP 90101474A EP 0385104 B1 EP0385104 B1 EP 0385104B1
Authority
EP
European Patent Office
Prior art keywords
cap
tear
screw ring
screw
tape
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
EP90101474A
Other languages
German (de)
English (en)
Other versions
EP0385104A1 (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
Priority claimed from DE19893906164 external-priority patent/DE3906164C2/de
Application filed by Jacob Berg GmbH and Co KG filed Critical Jacob Berg GmbH and Co KG
Publication of EP0385104A1 publication Critical patent/EP0385104A1/fr
Application granted granted Critical
Publication of EP0385104B1 publication Critical patent/EP0385104B1/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
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt

Definitions

  • the present invention relates to a plastic closure that can be screwed onto the neck of a plastic container, with a screw ring and with an insert part with a flexible bellows and a spout, on the external thread of which a cap can be screwed, the cap being formed in one piece with the screw ring and the head wall of the clip cap at a distance protruding from the top wall of the screw ring.
  • a plastic closure is described in the subsequently published EP-A-0 306 670 with the priority from the older German patent application No. 37 30 225.6. In this respect, reference is expressly made to the discussion of the prior art and the task derived therefrom in DE-A 37 30 225.
  • the present invention is also based on the object of improving a plastic closure with a screw ring that can be screwed onto the neck of a plastic container and with an insert part with a flexible bellows and spout, on the external thread of which a cap can be screwed, so that while maintaining good pouring properties, e.g. by means of a flexible bellows, the automatic production is simplified and cheaper.
  • the handling of the same is to be made even easier with the new plastic closure.
  • the screw cap and the screw ring are connected to one another by a tear skin.
  • tear skin often has a perforation, so that it ultimately consists of a series of thin connecting webs.
  • the tear skin or corresponding plastic webs have to be torn by lifting the brackets arranged on the screw cap, by lifting the screw cap itself or by turning the same.
  • the tear skin set not only does the tear skin set, but also the indented one Flange a lifting movement of the screw cap against considerable resistance. This makes it difficult to tear through the tear skin.
  • the tear skin must be cut through over its entire length at the same time or all connecting webs must be torn apart at the same time, so that a considerable effort is also required for this.
  • the present invention seeks to provide additional relief, while at the same time maintaining the described advantages of the closure according to the main application. This object is achieved in that the tear skin is designed as a tear-off tape, that is to say the cap is connected to the screw ring via the tear-off tape.
  • the tear-off tape can thus first be removed separately, after which the plastic cap can be moved relative to the screw ring with the spout by means of the bellows that has been inserted.
  • the cap has a lower flange, which is connected in one piece on its outer edge to the screw ring arranged underneath.
  • the screw ring can have an additional cylindrical extension on its head wall.
  • the tear-off tape extends essentially over the entire circumference of the plastic closure. Forces acting between the cap and the screw ring are distributed over a large area.
  • the tear-off tape has a handle end. This end of the handle can be gripped with the fingers and the tear-off tape is then successively torn off along the entire circumference from the plastic closure.
  • the tear-off tape can be parallel, for example, over two weak points encircling between the plastic cap and the screw ring must be connected to them.
  • the weak points can be designed in particular as rows of thin connecting webs.
  • the cap has a handle flange at its head end.
  • This handle flange is used to pull out the plastic cap with the spout after the tear-off tape has been removed by pulling out the bellows.
  • a closure can also serve as a handle, at least as long as the weight of the container underneath is not so great that the connection between the tear-off band and the screw ring or screw cap breaks off.
  • this risk is low since the force is distributed over the entire circumference of the belt or over the entirety of the individual weak points if the tear-off tape is intact.
  • the screw cap can also have a bracket according to a special embodiment, on which the cap with the spout can be pulled out or away from the container neck while the bellows is being pulled out.
  • a screw ring 2 is on the container neck 11 of a container screwed on.
  • a guarantee ring 5 can be formed, which is hooked onto the container neck 11 with suitable projections and is intended to ensure that the screw ring 2 cannot be unscrewed or removed from the container neck 11 without destroying the connection between the latter and the guarantee ring 5 can.
  • a cylindrical extension which is connected in one piece to a tear-off tape 3 via a circumferential weak point.
  • One end of the circumferential tear tape 3 is provided with a handle 4.
  • Parallel to the weak point, which connects the screw ring 2 and the tear-off band 3, another weak point runs around the closure, which represents the connection between the tear-off band 3 and the lower edge of a flange 9 of the screw cap 1.
  • the top wall of the screw cap 1 has a circumferential flange 8, which can be designed as a handle flange and which may have a corrugation on its outer circumference for better screwing and unscrewing the plastic cap 1.
  • the screw cap 1 is provided with flaps 6 which are integrally formed on the flange 8.
  • the foldable plastic brackets 6 make it easier to pull out the spout 7 by pulling out the bellows 10 when the plastic cap 1 is screwed onto the spout 7.
  • the screw cap 1 or its head wall can be seen in the middle, which has the circumferential flange 8, on which in turn brackets 6 are integrally formed.
  • the outside diameter of the stirrups 6 corresponds almost exactly to the outside diameter of the lower flange 9 of the screw cap underneath, under which in turn the tear-off tape 3 runs concentrically, which is indicated in FIG. 2 by a double-dashed line.
  • One end of the tear-off tape 3 is provided with a handle 4, which is moved radially away from the closure to release the tear-off tape 3, the tear-off tape being removed from the screw ring 2 and the screw cap 1 is separated. After the tear-off tape 3 has been removed, the screw cap 1 and the screw ring 2 are separated from one another and the spout 7 can be pulled out while the bellows 10 is being pulled out.
  • the plastic brackets 6 are connected on two opposite sides to the flange 8 of the screw cap 1 by means of wide and durable webs, while offset by 90 ° when the bracket 6 is folded up, weak connections between the bracket 6 and the flange that can be torn off 8 exist.
  • the spout 7 with the bellows 10 and an adjoining sealing edge are produced separately from the other parts of the plastic closure, which in turn are all connected to one another in one piece, and are thus cast together in a single production step.
  • These parts which are connected in one piece are the screw cap 1 with the brackets 6, the tear-off tape 3, the screw ring 2 and the guarantee ring 5.
  • the screw cap 1 is screwed onto the spout 7 and then the entire closure, in which the spout 7, bellows 10 and the sealing edge attached to it, are screwed onto the container neck 11 with the screw ring 2. Hook connections between the guarantee ring 5 and the container neck 11 snap into one another.
  • the closure according to the present invention can have all the features of the closures described in DE-A-37 30 225, to which reference is expressly made.

Landscapes

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

Claims (7)

  1. Fermeture plastique pouvant être vissée sur le col (11) d'un récipient plastique, comportant une bague filetée (2) et une insertion munie d'un soufflet souple (10) et d'un bec verseur (7), sur le filetage extérieur (12) duquel peut être vissé un couvercle (1), le couvercle (1) étant réalisé en une seule pièce avec la bague filetée (2), et la paroi de tête (8) du couvercle (1) étant rapportée en saillie à une certaine distance de la paroi de tête de la bague filetée (2), le couvercle (1) étant relié à la bague filetée (2) par l'intermédiaire d'une bande d'arrachage (3).
  2. Fermeture plastique selon la revendication 1, caractérisée en ce que le couvercle comporte une collerette inférieure (9) qui, sur son bord extérieur, est reliée par l'intermédiaire de la bande d'arrachage à la bague filetée (2).
  3. Fermeture plastique selon la revendication 1 ou 2, caractérisée en ce que la bande d'arrachage court essentiellement sur tout le pourtour de la fermeture.
  4. Fermeture plastique selon l'une des revendications 1 à 3, caractérisée en ce que la bande d'arrachage (3) comporte une extrémité de saisie (4).
  5. Fermeture plastique selon l'une des revendications 1 à 4, caractérisée en ce que la paroi de tête du couvercle fileté (1) comporte une collerette de préhension périphérique (8).
  6. Fermeture plastique selon l'une des revendications 1 à 4, caractérisée en ce que le couvercle (1) est conçu comme un couvercle à oreilles, comportant au moins une oreille (6) pouvant être relevée vers le haut.
  7. Fermeture plastique selon l'une des revendications 1 à 6, caractérisée en ce qu'une bague de garantie (5) est rapportée à l'extrémité inférieure de la bague filetée (2).
EP90101474A 1989-02-28 1990-01-25 Fermeture en plastique à bande arrachable Expired - Lifetime EP0385104B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19893906164 DE3906164C2 (de) 1987-09-09 1989-02-28 Kunststoffverschluß mit Abreißband
DE3906164 1989-02-28

Publications (2)

Publication Number Publication Date
EP0385104A1 EP0385104A1 (fr) 1990-09-05
EP0385104B1 true EP0385104B1 (fr) 1993-07-14

Family

ID=6375076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90101474A Expired - Lifetime EP0385104B1 (fr) 1989-02-28 1990-01-25 Fermeture en plastique à bande arrachable

Country Status (2)

Country Link
EP (1) EP0385104B1 (fr)
DE (1) DE59001936D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642046B1 (fr) * 1989-01-23 1991-04-05 Astra Plastique Tube verseur escamotable a orientation multidirectionnelle
US6112949A (en) * 1998-09-28 2000-09-05 Robert V. Rhodes Dual cap dispenser

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0306670A2 (fr) * 1987-09-09 1989-03-15 Jacob Berg GmbH & Co. KG Fermeture en plastique pour un récipient en plastique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1853501U (de) * 1962-03-30 1962-06-14 Jacob Berg Kom Ges Blechwarenf Ausgussverschluss aus kunststoff.
FR1581775A (fr) * 1968-08-05 1969-09-19
DE1924824C3 (de) * 1969-05-16 1978-11-09 Henkel Kgaa, 4000 Duesseldorf Ausziehbarer Ausgießverschluß
FR2514330A1 (fr) * 1981-10-08 1983-04-15 Flextainer Ag Bouchon-verseur inviolable en matiere synthetique s'adaptant a des reservoirs pour liquides
DE3545548A1 (de) * 1985-12-21 1987-07-02 Berg Jacob Gmbh Co Kg Garantieverschluss

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0306670A2 (fr) * 1987-09-09 1989-03-15 Jacob Berg GmbH & Co. KG Fermeture en plastique pour un récipient en plastique

Also Published As

Publication number Publication date
EP0385104A1 (fr) 1990-09-05
DE59001936D1 (de) 1993-08-19

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