EP0686568B1 - Gebinde mit einsteckbarer Verschlusseinheit - Google Patents

Gebinde mit einsteckbarer Verschlusseinheit Download PDF

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Publication number
EP0686568B1
EP0686568B1 EP95810281A EP95810281A EP0686568B1 EP 0686568 B1 EP0686568 B1 EP 0686568B1 EP 95810281 A EP95810281 A EP 95810281A EP 95810281 A EP95810281 A EP 95810281A EP 0686568 B1 EP0686568 B1 EP 0686568B1
Authority
EP
European Patent Office
Prior art keywords
opening
container
pouring
lip
closure element
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
EP95810281A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0686568A2 (de
EP0686568A3 (es
Inventor
Paul Tragardh
Elmar Mock
Matthias Hell
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 EP0686568A2 publication Critical patent/EP0686568A2/de
Publication of EP0686568A3 publication Critical patent/EP0686568A3/xx
Application granted granted Critical
Publication of EP0686568B1 publication Critical patent/EP0686568B1/de
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
    • B65D5/70—Break-in flaps, or members adapted to be torn-off, to provide pouring openings
    • B65D5/708—Separate tearable flexible elements covering a discharge opening of a container, e.g. adhesive tape
    • 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
    • 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
    • B65D2231/00—Means for facilitating the complete expelling of the contents
    • B65D2231/02—Precut holes or weakened zones

Definitions

  • the invention is in the field of the packaging industry and relates a combination according to the preamble of the first independent claim, consisting of a container and a closure unit, which in the container wall can be inserted.
  • the invention also relates a closure unit according to the preamble of claim 4.
  • Containers made of plastic-coated cardboard are used to pour out the Content usually opened by either a seam of the package opened or a corner is torn off. In both cases the can not to be closed again, that is, once the container has been opened can no longer be easily transported and that the content must be used up quickly when in contact with the outside air spoils.
  • Containers that do not have the disadvantages described above are, for example equipped with locking units that have an opening in the Container wall are attached and which consist of a pouring part and a closure part exist, the closure part the pouring opening of the pouring part closes and is removable from this.
  • Containers equipped in this way are relatively expensive to manufacture.
  • the closure unit is usually attached in the material for the container wall before this to the container is folded and welded or at least before the container is filled and it must therefore have the same hygienic and antiseptic conditions meet like the inside of the container wall.
  • Such Closure unit is described for example in publication WO-91/12181.
  • Cardboard box with a potential opening and insertable in it Closure units have been proposed.
  • the combination is coming usually on the market with the closure unit on the side of the container sticking in the same way as straws on straws Market come.
  • the potential opening in the container is a predetermined one Location that is designed such that it is easily opened by the consumer can be removed by removing a pull tab and / or by breaking through a predetermined breaking point in the container wall or in at least one Layer of the container wall when the closure unit is inserted, whereby an opening with a given shape is created.
  • Such a plug-in closure unit has inner and outer holding means and when positioned in the container opening, the edge is the Container wall held between these holding means.
  • EP-A2-291112 (corresponds to the preamble of claim 1 and the preamble of claim 4) is a combination of containers and insertable closure unit described the above conditions more or less fulfilled.
  • the closure unit of the described Combination consists of a pouring part and a closure part are connected by a hinge, the closure part has an opening lip which is arranged opposite the hinge and serves to open the closure unit.
  • the above to the opening in the Container wall and conditions placed on the flatness of the closure unit are well fulfilled, but the pouring properties are in favor of flatness the closure unit bad, such that it is protruded by a Edge on the container must be supported.
  • the closure unit of the combination described is on the container assembled by positioning it on the opening and then into the opening is pressed in with a force which is substantially perpendicular to the Container wall works.
  • the outermost edge of the notch (Locking edge) delimits a surface that has essentially the same shape as the opening in the container wall, but is larger than this. The rest will pressed through the container wall opening and then holds the closure unit stuck in the opening.
  • the catch is pressed through the opening, the container wall is stretched around the opening and at least temporarily deformed. For this is the force required to insert the locking unit is necessary, rather large.
  • the whole container wall is against that The inside of the container is pressed, causing the contents to overflow may have.
  • Closure unit The basic idea of the combination of container and insertable according to the invention Closure unit is that to minimize the need for the Insert the locking unit into the necessary force in the container opening and at the same time to minimize the insertion caused Deformation of the container wall, the inner holding means exactly on the function the combination.
  • the inner Holding means are designed such that they the circumference of the pouring part do not circulate regularly, but that they are pronounced where the Opening and closing the inserted closure unit and pouring part act, and that they are not present where no such Forces work.
  • the force that is necessary to push the closure unit into the container opening inserting is further reduced by not using all of the inner holding means be designed as a catch, but only a minimal part of it, while the rest of the part is designed as a retaining lip or retaining lips not pressed into the opening, but laterally under the edge of the container wall are pushed, which also causes the deformation of this edge to continue is minimized.
  • Containers made of coated Carton are used for inserting a closure unit.
  • All containers with walls that are flexible enough are for inserting a closure unit can be part of the invention Combination of container and closure unit, for example Containers made of metals (e.g. aluminum or sheet steel) or plastic containers.
  • Figures 1 to 3 show the principle of the closure unit (shown in the closed state) according to the prior art.
  • the closure unit is not shown in all details, only the important parts are shown.
  • Figure 1 shows the closure unit as a plan view, with only the outline of the closure part 1 with hinge 11 and opposite opening lip 12 is shown and as dashed lines A and B the edge of the container wall around the opening into which the closure unit is inserted, and the circumference of the inner holding means (B) which protrude from this opening inside the container.
  • the two lines A and B run essentially parallel to each other.
  • the elongated shape of the opening in the container wall (and the pouring opening in the pouring part of the closure unit) with the hinge and the opening lip facing each other along the length of the elongated shape arranged allow a good pouring.
  • Figures 2 and 3 are sections through the closure unit according to Figure 1, cut along section line II-II ( Figure 2) and along section line III-III ( Figure 3) of Figure 1, i.e. cut through the hinge position and opening lip position ( Figure 2) and in the middle and perpendicular to it ( Figure 3). They show the closure unit with closure part 1 and pouring part 2 connected by a hinge 11.
  • the closure unit is inserted into an opening in a container wall 3.
  • the pouring part 2 has a neck 21, around which the edge 31 of the container wall 3 lies tightly.
  • the pouring part 2 also has inner holding means in the form of a catch 22 which projects beyond the opening on the inside of the container.
  • the catch 22 shows a sliding surface 23, a locking edge 24 (line B in FIG.
  • the pouring part also has outer holding means which protrude beyond the opening on the outside of the container. Since the outer holding means do not influence the plug-in characteristics of the closure unit, they do not have to be described in detail here.
  • the inner holding surface 25 and the outer holding means together determine the position of the container wall relative to the pouring part (inner and outer holding surfaces C and C ').
  • the opening in the container wall is before inserting the Closure unit slightly smaller than the cross section of the neck, such that the edge 31 of the container wall 3 against the neck of the inserted closure unit is pressed and thereby the tightness is increased.
  • FIGS. 2 and 3 A comparison of FIGS. 2 and 3 and also of lines A and B in FIG. 1 shows that the inner holding means of the plug-in closure unit according to the prior art in the same shape, the outer scope of the closure unit circulate.
  • the sealing unit is in the container opening inserted by positioning the inner edge of the sliding surface in the opening and then the closure unit is pressed into the opening with a Force that acts essentially in the middle of the closure unit and in acts essentially perpendicular to the container wall.
  • FIGS. 4 to 6 show the closure unit of a combination according to the invention in the same representation, in which Figures 1 to 3 show the closure unit according to the prior art.
  • the same parts are identified by the same reference numbers.
  • the most important feature of the closure unit according to FIGS. 4 to 6 are the inner holding means, which are provided only in the hinge position and in the opening lip position relative to the hinge position. This means that the pouring part of the inserted closure unit only projects beyond the container opening in these two positions. This can be seen from the lines A (edge of the container wall) and B (inner holding means which protrude beyond the opening) of FIG. 4. It can also be seen from a comparison of FIG. 5, in which parts (inner holding means) of the pouring part 2 inside of the container reach over the opening, and FIG. 6, in which no parts extend inside the container over the opening.
  • the different design of the inner holding means in hinge and in the opening lip position is not an essential feature of the closure unit the combination according to the invention.
  • the inner holding means can also be designed as a detent in both positions.
  • the closure unit according to FIGS. 4 to 6 has very good pouring properties, if the pouring opening and the container opening are elongated Shape, as shown in Figures 1 to 6, have. But it is also different shaped, for example round openings conceivable.
  • FIGS. 7 and 8 show in detail an exemplary embodiment of a plug-in closure unit in which the principles described with reference to FIGS. 4 to 6 are applied and further developed for further advantageous properties.
  • FIG. 7 shows the closure unit in section (section analogous to FIG. 5, ie through the hinge and opening lip position) and shows the closure part 1 and the pouring part 2.
  • the inner holding means are again designed as holding lip 26 and catch 22 with sliding surface 23, the inner holding means determine the inner holding level C.
  • the pouring part also has outer holding means, which have an outer holding plane Define C '. It is advantageous to design the outer holding means in such a way that the inner (C) and outer (C ') holding planes are not parallel to each other, such that the neck 21 is higher in the hinge or Position of the catch as in the opening lip or holding lip position and thereby providing enough space in the hinge position for a more deformed Container wall edge. With a neck designed in this way it is The position of the inserted locking unit is precisely defined and nevertheless it is unlikely that the edge of the container wall will be so strong is deformed so that it covers the catch, which means the tightness between In this area, negatively influence the sealing unit and the container wall would.
  • the pouring part less far into the container in the opening lip position than in the hinge position, that is, a level D, which the pouring part inside the container limited, does not run parallel to the inner holding plane C, i.e. not parallel to the container wall.
  • the pouring part is equipped with a pouring lip 27 in the opening lip position can become less and less against the hinge position rises above the container wall.
  • Such a pouring lip 27 improves the Pouring properties of the closure unit are considerable.
  • closure part 1 and pouring part 2 such that the closed, inserted closure unit on the outside of the container essentially through a plane E is limited, the plane E being parallel to the plane D and the hinge 11 parallel to the cutting line of the outer holding plane C 'and Level E is arranged.
  • FIG. 8 further illustrates the closure unit according to FIG. 7, wherein it is shown here in the open state, viewed from above (against the outside of the container).
  • the same parts are identified by the same reference numbers as in the preceding figures. Figure 8 needs no further explanation.
  • the closure unit for the combination of containers according to the invention and the closure unit advantageously consists of a thermoplastic Material and is manufactured using an injection molding process.
  • the hinge 11 is designed as a thin and therefore sufficiently flexible material zone, as so-called film hinge.
  • the inner side of the pouring lip 27 can with Channels 28 may be equipped, the return flow of remaining on the lip Favor liquid.
  • the sliding surface 23 of the detent 22 can for a Ventilation opening 29 may be interrupted, which improves the pouring properties.
  • FIG. 9 shows the circumference A of the neck cross section projected one above the other and the container opening F before the closure unit is inserted.
  • the opening is generally smaller than the neck cross-section.
  • the two lines A and F are not parallel to each other.
  • the shape of the opening (line F) consists of two arches with different radii and two straight sections
  • the circumference of the neck cross section does not contain any straight parts, but only consists of arches with different radii. It has been shown that such a shape of the neck cross section is advantageous since regions in which an arc adjoins a straight line tensions the edge of the container wall more strongly.
  • the size difference between the opening and the neck cross-section has to be adapted to the quality of the container wall.
  • the figure shows an opening of 21mm length in a container made of coated cardboard with 250ml content (magnification approx. 1: 6.4).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Closures For Containers (AREA)
EP95810281A 1994-06-10 1995-04-28 Gebinde mit einsteckbarer Verschlusseinheit Expired - Lifetime EP0686568B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1837/94 1994-06-10
CH01837/94A CH687252A5 (de) 1994-06-10 1994-06-10 Gebinde mit einsteckbarer Verschlusseinheit.
CH183794 1994-06-10

Publications (3)

Publication Number Publication Date
EP0686568A2 EP0686568A2 (de) 1995-12-13
EP0686568A3 EP0686568A3 (es) 1996-01-10
EP0686568B1 true EP0686568B1 (de) 1999-07-14

Family

ID=4219762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95810281A Expired - Lifetime EP0686568B1 (de) 1994-06-10 1995-04-28 Gebinde mit einsteckbarer Verschlusseinheit

Country Status (9)

Country Link
US (1) US5632440A (es)
EP (1) EP0686568B1 (es)
JP (1) JP3509295B2 (es)
AT (1) ATE182114T1 (es)
AU (1) AU694182B2 (es)
CA (1) CA2151167A1 (es)
CH (1) CH687252A5 (es)
DE (1) DE59506381D1 (es)
RU (1) RU2146215C1 (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5765747A (en) * 1996-03-15 1998-06-16 Westvaco Corporation Pour spout fitment for gable top container
IT1283599B1 (it) * 1996-04-16 1998-04-22 Tetra Laval Holdings & Finance Disposizione di apertura per contenitori di confezionamento
IT1286074B1 (it) * 1996-10-31 1998-07-07 Tetra Laval Holdings & Finance Dispositivo di apertura su un materiale in foglio da imballaggio
DE19805030C2 (de) * 1998-02-09 2003-03-27 Sig Combibloc Gmbh Wiederverschließbares Ausgießelement und damit versehene Flachgiebelverbundpackung
US6131804A (en) * 1999-02-23 2000-10-17 Rexam Plastics Inc. Reclosable fitment with pull off liner film
DE19922327A1 (de) * 1999-05-14 2000-11-16 Sram De Gmbh Verschlußglied für eine Montageöffnung an einem Schalter für Fahrräder
EP1125851B1 (en) * 2000-01-31 2007-05-23 Friesland Brands B.V. Container with anti-clog pouring spout
SE525978C2 (sv) * 2000-05-08 2005-06-07 Tetra Laval Holdings & Finance Sätt att framställa förpackningslaminat samt förpackningsbehållare därav med genomgående hål och öppningsanordning
US6467238B1 (en) * 2000-06-15 2002-10-22 Tetra Laval Holdings & Finance, Sa Direct injection molded closure and method therefor
DE10056399A1 (de) * 2000-11-14 2002-05-23 Tetra Laval Holdings & Finance Öffnungsvorrichtung für Verpackungsbehälter
IT1320858B1 (it) * 2000-12-12 2003-12-10 Tetra Laval Holdings & Finance Confezione sigillata di tipo perfezionato per prodotti alimentariversabili.
WO2003047981A2 (en) * 2001-12-06 2003-06-12 Gabriel Cabelli Hand held fluent dispensing containers
US20030116879A1 (en) 2001-12-21 2003-06-26 Seaquist Closures Foreign, Inc. Compression molding process and article made by the process
GB2408040B (en) * 2003-11-14 2005-10-12 Spreckelsen Mcgeough Ltd Fitments
US20050205618A1 (en) * 2004-03-18 2005-09-22 International Paper Company Container fitment having ellipsoidal opening
NL1026794C2 (nl) * 2004-08-05 2006-02-07 Weasy Pack Internat Ltd Schenkverpakking en schenkorgaan.
US7757889B1 (en) 2005-09-27 2010-07-20 Zeev Haim Zipris Sealing and reopening device for opened aluminum beverage cans
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

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US2560776A (en) * 1947-10-14 1951-07-17 Alfred W Peters Pouring spout
US3113706A (en) * 1961-11-08 1963-12-10 Anfinsen Plastic Moulding Inc Pouring dispenser
GB1000214A (en) * 1963-01-16 1965-08-04 Akerlund & Rausing Ab A method of producing a container having an easily rupturable end closure
US3355059A (en) * 1964-05-13 1967-11-28 American Can Co Laminate with severable portion
CH557268A (de) * 1972-10-18 1974-12-31 Rausing Anders Ruben Einweg-verpackungsbehaelter.
US3998354A (en) * 1975-03-31 1976-12-21 Song John S Reusable sealed plastic cover
DE2659275C3 (de) * 1976-12-29 1980-10-09 Papier- Und Kunststoff-Werke Linnich Gmbh, 4000 Duesseldorf Behälter für Flüssigkeiten mit einem einstechbaren Ausgießer
EP0038142A1 (en) * 1980-04-15 1981-10-21 METAL BOX p.l.c. Closures for containers
SE441591B (sv) * 1980-08-20 1985-10-21 Rigello Pak Ab Tillslutningsanordning for burkar, kanistrar och liknande behallare
JPS5993639A (ja) * 1982-11-19 1984-05-30 東洋製罐株式会社 耐衝撃性易開封性容器蓋
SE441666B (sv) * 1984-03-21 1985-10-28 Tetra Pak Int Oppningsanordning vid forpackningsbehallare samt sett att tillverka densamma
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
GB2170479B (en) * 1985-02-05 1988-09-28 Tetra Pak Int A pack for liquids
SE454685B (sv) * 1985-06-12 1988-05-24 Tetra Pak Ab Oppningsanordning for forpackningsbehallare
US4781323A (en) * 1985-08-27 1988-11-01 Minnesota Mining And Manufacturing Company Reclosable closure assembly for container
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US4807787A (en) * 1987-05-12 1989-02-28 The Procter & Gamble Company Easy-open/reclosure device having deformable pour spout
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Also Published As

Publication number Publication date
CH687252A5 (de) 1996-10-31
CA2151167A1 (en) 1995-12-11
AU694182B2 (en) 1998-07-16
ATE182114T1 (de) 1999-07-15
JPH0853150A (ja) 1996-02-27
DE59506381D1 (de) 1999-08-19
JP3509295B2 (ja) 2004-03-22
EP0686568A2 (de) 1995-12-13
US5632440A (en) 1997-05-27
RU2146215C1 (ru) 2000-03-10
EP0686568A3 (es) 1996-01-10
AU1783995A (en) 1995-12-21

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