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EP0596087B1 - Unite de fermeture - Google Patents

Unite de fermeture Download PDF

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Publication number
EP0596087B1
EP0596087B1 EP93911726A EP93911726A EP0596087B1 EP 0596087 B1 EP0596087 B1 EP 0596087B1 EP 93911726 A EP93911726 A EP 93911726A EP 93911726 A EP93911726 A EP 93911726A EP 0596087 B1 EP0596087 B1 EP 0596087B1
Authority
EP
European Patent Office
Prior art keywords
coating
closure
pourer
container
closure unit
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
EP93911726A
Other languages
German (de)
English (en)
Other versions
EP0596087A1 (fr
Inventor
Elmar Mock
Marcel Aeschlimann
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.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
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 Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Publication of EP0596087A1 publication Critical patent/EP0596087A1/fr
Application granted granted Critical
Publication of EP0596087B1 publication Critical patent/EP0596087B1/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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S215/00—Bottles and jars
    • Y10S215/02—Coatings and laminations for making of bottle caps

Definitions

  • the invention lies in the field of the packaging industry and relates to a closure unit and a method for its production according to the preambles of the corresponding independent claims.
  • closure units preferably made of plastic, consisting of a pouring part with a pouring opening and a closing part which closes the pouring opening of the pouring part and which is in an opening of the container.
  • a closure unit is disclosed, for example, in the international patent application PCT / CH92 / 00188.
  • closure units consist of a plastic which is said to have cheap properties which are favorable for the manufacture of the closure unit. This is so that the production can be carried out with tools that enable a large output.
  • the aim is to ensure that the closure unit increases the price of the container as little as possible and that the container with the closure unit appears attractive to the user from as many points of view as possible.
  • the goods in the container should be additionally protected against influences from the environment so that they remain durable for a long time.
  • gases such as exhaust gases which are mixed with the ambient air can adversely affect foods in such containers and, for example, oxidize or vitamins contained therein change the taste of such foods.
  • gases such as exhaust gases which are mixed with the ambient air can adversely affect foods in such containers and, for example, oxidize or vitamins contained therein change the taste of such foods.
  • Such a closure unit is disclosed, for example, in the English patent application GB-2'241'225.
  • this film has to be removed or perforated for the first pouring and that afterwards it can no longer fulfill the function originally intended for it. I.e. for example, it is no longer gas-tight or no longer opaque. It can no longer fulfill its function even if a closure part of the closure unit closes the pouring opening again, because when the closure part is closed, the film is not returned to its original state. Seen as a whole, the package as a whole has lost part of its properties as a result of the first opening of the closure unit, as is the case for a package without a closure unit and is also accepted because it seems to be unavoidable here.
  • the invention as characterized in the claims, now solves the problem of creating a closure unit for a container with the original properties of the container, which are used to protect the goods are essential, even after repeated opening of the closure unit, to remain practically undiminished.
  • the invention solves the problem of creating a closure unit for a container which, in the closed state, is substantially more gas-tight and / or radiation-impermeable even when the closure has already been opened.
  • one or more coatings are applied together on the inside of the closure unit, on the outside or on the inside and outside. These coatings adhere to the pouring part and on the closure part and bridge a separation point, mixing the pouring part and the closure part as a thin membrane or at least partially filling them.
  • the coating is only interrupted at this comparatively very small separation point and is not restored after the closure.
  • the advantages achieved by the invention can be seen in particular in the fact that the requirements placed on the container for protecting the goods are retained even if further functions are performed with the container for which it is intended.
  • the container performs several functions in relation to the goods to be contained, such as protecting the goods against external influences, handling the goods, storing the goods, etc., then one of these functions will not be impaired if or because you are performing another of the intended functions.
  • each function is retained independently of the other functions or properties.
  • This is quite in contrast to known containers, in which the exercise of one function performs the other functions inevitably affected. For example, handling the goods, such as partially removing them from the known container, has a lasting effect on the protective function of the container.
  • Another advantage of the solution according to the invention is that the application of the coatings can be integrated into the manufacturing process of the closure unit. A finished closure unit with all the desired properties can thus be produced and later attached to a container.
  • the invention further makes it possible to adapt the properties of the container and the closure unit together to the most varied of conditions. It is thus possible to provide a first coating that optimally fulfills a first condition (for example sealing against light or barrier against the exchange of oxygen). However, if this coating is mechanically vulnerable, for example due to granular material in the container, a further coating can be provided which protects the first coating against mechanical damage. A third coating can be provided, which has further supplementary properties, etc.
  • the individual coatings can thus be assigned properties or functions that optimally fulfill them, and the missing properties can be supplemented by additional layers that optimally fulfill these additional properties. This means that many conditions that one would like to place on the container and the closure unit can be optimally fulfilled.
  • properties that are at most reduced, as already mentioned can be at least partially compensated for by other measures. Even if this should not always be possible, the areas that do not fully meet the above-mentioned properties are, according to the invention, vanishingly small against the inner surface of the container.
  • Figure 1 shows a closure unit 1 which is inserted into a container 2 made of cardboard.
  • the closure unit 1 consists of a pouring part 3, which protrudes from a surface 4 of the container 2, and a closure part 5, which is shown here in the open state.
  • the closure part 5 and the pouring part 3 are not releasably connected to one another via a hinge 6.
  • the surface 4 has an opening 7, into which the closure unit 1 is inserted, and in this example the closure unit must be pushed through the opening 7 from the inside of the container before it is attached to the wall 4, for example by an ultrasonic welding.
  • FIG. 2 shows a section through the closure unit 1 from FIG. 1.
  • This shows the pouring part 3, the closure part 5 and a hinge 6.
  • the embodiment shown here also has various details which are not essential to the invention, but which are shown are to show a fully functional closure unit.
  • a detail is, for example, a predetermined breaking point 11, which is destroyed during the first opening and forms the actual separation point between the pouring part 3 and the closing part 5.
  • this closure unit also has sealing surfaces 8 which lie between the pouring part 3 and the closure part 5 where these two parts overlap one another.
  • a foot 9 is also visible here, which is fastened to the pouring part 3 and which forms a surface 10 via which the closure unit 1 can be fastened in the wall 4 (FIG. 1).
  • a first coating 12 can also be seen, which is applied here only in the right half of the closure unit on its inside 13 and which is covered by a further coating 14.
  • An outer coating 19 can also be seen, which extends here both over the closure part 5 and over the pouring part 3.
  • the coating 12, 14 is destroyed in the region of the predetermined breaking point 11, which, shown in FIG. 1, roughly follows line 15.
  • the outer coating 19, however, is torn or interrupted in the area of a point 20.
  • the exemplary construction of the closure unit 1 shown here ensures, however, that the effect of this destruction remains extremely small, because the closure part 5 encloses the pouring part 3 in the area of the sealing surfaces 8 in such a tight manner that the closure unit 1 is thus tightly sealed even without a coating Passage of gas or liquid is.
  • additional baffles which are designated 16 and 17 and form additional corners and surfaces, which, for example, improve the seal.
  • the coating 12, 14 is to improve the closure unit 1 against the diffusion of gas or liquid through its walls, this effect is retained by the intact coating 12, 14 over the entire remaining inner surface 13.
  • the material thickness is at least doubled, which means that the diffusion is also greatly inhibited by the increased material thickness where the coating is damaged.
  • the same effect occurs in the area of the separation point 11 with respect to radiation, diffusion, etc.
  • an internal and external coating is particularly effective, because both act here over a large area and do not have their separation point 11, 20 at the same location, so that one coating covers the separation point of the other coating.
  • Such a closure unit 1 is attached to the container 2 via the foot 9. If this is done by welding, welding must be carried out in an area 18 through the coating, which can destroy it there. By welding, however, the material from which the foot 9 and the wall 4 are made is changed, for example compressed, in this area 18, so that the lost effect of the coating is compensated for by this effect. If this is not the case, it can be glued, for example, so that the coating remains intact. Welding interrupts the coating, while gluing bridges the coating.
  • the coatings 12 can consist of a wide variety of materials. Coatings made from mineral substances are particularly cheap. This creates a glass-like coating that is chemically neutral and can therefore come into contact with a wide variety of substances without reacting. Glass-like coatings are also very suitable to avoid undesired gas exchange. To protect the goods against the influence of radiation or electrical and magnetic fields, coatings made of metallic materials are well suited. Plastic coatings can be provided as a further coating 14, which, for example, offer protection against thermal and mechanical influences. For example, the properties of the metallic coating, which can be relatively vulnerable, can be supplemented by giving them the lack of invulnerability.
  • the coatings can be provided on the inside of the closure unit, ie on the inner surface 13, but also on the outside on the outer surface or at both locations.
  • the coatings have a thickness ranging from a few angstroms to a few tenths of a millimeter, depending on the type of coating and the task it is intended to perform.
  • the closure unit 1 is first produced, for example, by casting in a manner known per se.
  • the closure unit is then provided with the first coating in a further device known per se. This is preferably done with the closure part closed.
  • another coating is applied in the same or in another device.
  • the equipment used depends on the type and material of the coating. If a coating of aluminum, for example, is provided, this is done in a device for evaporating aluminum. Coatings based on silicone oxides, which are relatively hard, can be produced by application in a plasma. This is very advantageous because this process does not have to take place at high temperatures. Finally, plastic coatings can also be easily sprayed on.
  • the coatings can be of a wide variety of types, and since the production or application of the coating, as shown above, depends heavily on the type of coating, the possibilities that are available are not conclusively listed here. Nevertheless, these fall under the invention.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Clamps And Clips (AREA)
  • External Artificial Organs (AREA)
  • Cartons (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Tubes (AREA)

Claims (14)

  1. Unité de fermeture en matière thermoplastique pour un récipient (1) destiné à la manipulation et au stockage d'un produit fluide, composée d'une partie verseuse (3) sensiblement tubulaire et d'une partie obturatrice (5) qui ferme l'ouverture de la partie verseuse, caractérisée par un revêtement (12) appliqué sur ladite unité de fermeture lors de la fabrication de l'unité de fermeture, qui s'étend sur la partie verseuse et la partie obturatrice, qui forme pont sur le joint (11) entre la partie verseuse et la partie obturatrice et qui protège le produit des influences indésirables.
  2. Unité de fermeture selon la revendication 1, caractérisée par un revêtement additionnel (14) qui recouvre le premier revêtement (12).
  3. Unité de fermeture selon la revendication 1, caractérisée en ce que le revêtement est fait d'une matière minérale.
  4. Unité de fermeture selon la revendication 1, caractérisée en ce que le revêtement est fait d'une matière métallique.
  5. Unité de fermeture selon la revendication 2, caractérisée en ce que le revêtement additionnel est fait d'une matière plastique.
  6. Unité de fermeture selon la revendication 1, caractérisée en ce que l'épaisseur est augmentée dans les régions du joint (11).
  7. Unité de fermeture selon la revendication 1, caractérisée en ce que des surfaces d'étanchéité sont associées au joint (11).
  8. Unité de fermeture selon la revendication 2, caractérisée en ce que le revêtement (12) et le revêtement additionnel (14) présentent des propriétés complémentaires.
  9. Unité de fermeture selon la revendication 1, caractérisée en ce que les revêtements (12, 19) sont prévus sur la face intérieure et sur la face extérieure.
  10. Procédé de fabrication d'une unité de fermeture (1) en matière thermoplastique pour un récipient (2) destiné à stocker un produit fluide, composé d'une partie verseuse (3) sensiblement tubulaire et d'une partie obturatrice (5) qui ferme l'ouverture de la partie verseuse, caractérisé en ce que, dans une première phase par moulage, la partie verseuse et la partie obturatrice sont fabriquées et en ce que, dans une deuxième phase, la partie verseuse et la partie obturatrice sont revêtues, ensemble et en position fermée, d'au moins un revêtement (12).
  11. Procédé selon la revendication 10, caractérisé en ce que, dans une troisième phase, on applique un revêtement additionnel (14) qui présente des propriétés complémentaires de celles du premier revêtement (12).
  12. Procédé selon la revendication 10, caractérisé en ce que le revêtement s'effectue par vaporisation.
  13. Procédé selon la revendication 10, caractérisé en ce que le revêtement s'effectue par projection.
  14. Procédé selon la revendication 10 ou 11, caractérisé en ce que le revêtement s'effectue à l'aide d'un plasma.
EP93911726A 1992-06-01 1993-05-19 Unite de fermeture Expired - Lifetime EP0596087B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH01754/92A CH687610A5 (de) 1992-06-01 1992-06-01 Verschlusseinheit.
CH1754/92 1992-06-01
PCT/CH1993/000128 WO1993024376A1 (fr) 1992-06-01 1993-05-19 Unite de fermeture

Publications (2)

Publication Number Publication Date
EP0596087A1 EP0596087A1 (fr) 1994-05-11
EP0596087B1 true EP0596087B1 (fr) 1996-10-09

Family

ID=4217785

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93911726A Expired - Lifetime EP0596087B1 (fr) 1992-06-01 1993-05-19 Unite de fermeture

Country Status (10)

Country Link
US (1) US5509585A (fr)
EP (1) EP0596087B1 (fr)
JP (1) JPH07500554A (fr)
AT (1) ATE143887T1 (fr)
AU (1) AU666381B2 (fr)
CA (1) CA2113423C (fr)
CH (1) CH687610A5 (fr)
DE (1) DE59304110D1 (fr)
ES (1) ES2095648T3 (fr)
WO (1) WO1993024376A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6076729A (en) * 1998-06-22 2000-06-20 The Popstraw Company, Llc Fluid dispensing spout for beverage containers
US5975414A (en) * 1998-11-25 1999-11-02 Tetra Laval Holdings & Finance, Sa Carton with a gable top having a triangular face with a fitment thereon and a blank for the same
BRPI0510744A (pt) * 2004-06-11 2007-11-20 Alcan Packaging Capsules juntas de estanqueidade feitas de material multicamadas para meio de tampadura, tipicamente para uma cápsula de tampadura
US20080110918A1 (en) * 2006-11-15 2008-05-15 Lee Herbert K Paperboard wipes carton
EP2417034B1 (fr) * 2009-04-09 2014-12-31 Closure Systems International, Inc. Bec verseur avec bague d'inviolabilité
JP5486753B2 (ja) * 2009-11-30 2014-05-07 日本テトラパック株式会社 包装容器の製造法、注出口栓及び包装容器
MX2011010313A (es) * 2011-09-30 2013-04-01 Jose Rodrigo Oliva Salinas Tapa de una sola pieza para envases de carton.
WO2014126010A1 (fr) * 2013-02-14 2014-08-21 東洋製罐株式会社 Outil de versement présentant d'excellentes propriétés de glissement pour une substance fluide
JP5807692B2 (ja) * 2014-02-27 2015-11-10 東洋製罐株式会社 液注出用プラスチック成形体
MX2022011385A (es) * 2020-04-09 2022-10-10 Tetra Laval Holdings & Finance Ensamblaje de tapa para recipiente, recipiente que tiene un ensamblaje de tapa y metodo de acoplamiento de un ensamblaje de tapa a un pico.
JP2024535253A (ja) * 2021-09-30 2024-09-30 テトラ ラバル ホールディングス アンド ファイナンス エス エイ パッケージ用開口装置、パッケージ用開口装置を成形するための金型、及び開口装置を有するパッケージ
WO2023200868A1 (fr) * 2022-04-15 2023-10-19 Anomatic Corporation Capuchon de charnière métallisé

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666138A (en) * 1970-06-15 1972-05-30 Nat Can Corp Container closure
US4021524A (en) * 1975-08-15 1977-05-03 American Can Company Method of making a collapsible tube with an integral cap
US4362255A (en) * 1980-10-24 1982-12-07 Liqui-Box Corporation Barrier spout and cap for flexible bags or pouches
JPS5886173A (ja) * 1981-11-16 1983-05-23 東洋製罐株式会社 輸液用容器の栓及びその製造方法
US4669640A (en) * 1984-06-26 1987-06-02 Dai Nippon Insatsu Kabushiki Kaisha Meiji Milk Products Company Limited Sealed gable top carton having a mouthpiece of one piece molding
JPH0340765Y2 (fr) * 1985-05-27 1991-08-27
SE451321B (sv) * 1985-07-02 1987-09-28 Tetra Pak Ab Hellkant vid forpackningsbehallare
US4638916A (en) * 1985-07-12 1987-01-27 Owens-Illinois, Inc. Closure with snap-type hinge cap
SE453586B (sv) * 1986-03-26 1988-02-15 Tetra Pak Ab Forpackningsbehallare forsedd med aterforslutbar oppningsanordning
SE454264B (sv) * 1986-10-23 1988-04-18 Tetra Pak Ab Med oppningsanordning forsedd forpackningsbehallare
JPH0547061Y2 (fr) * 1987-09-24 1993-12-10
CH674502A5 (fr) * 1988-01-26 1990-06-15 Alfatechnic Ag
US5108029A (en) * 1990-02-16 1992-04-28 Capitol Spouts, Inc. Reclosable attachment for containers
DE59206366D1 (de) * 1991-12-12 1996-06-27 Tetra Laval Holdings & Finance Verschlusseinheit eines Gebindes für fliessfähiges Gut
ATE137185T1 (de) * 1991-12-12 1996-05-15 Tetra Laval Holdings & Finance Verschlusseinheit

Also Published As

Publication number Publication date
CA2113423A1 (fr) 1993-12-09
AU4259093A (en) 1993-12-30
AU666381B2 (en) 1996-02-08
US5509585A (en) 1996-04-23
DE59304110D1 (de) 1996-11-14
CA2113423C (fr) 1998-07-28
EP0596087A1 (fr) 1994-05-11
ES2095648T3 (es) 1997-02-16
JPH07500554A (ja) 1995-01-19
WO1993024376A1 (fr) 1993-12-09
ATE143887T1 (de) 1996-10-15
CH687610A5 (de) 1997-01-15

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