EP0295423A2 - Emballage avec dispositif d'ouverture - Google Patents

Emballage avec dispositif d'ouverture Download PDF

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Publication number
EP0295423A2
EP0295423A2 EP19880107477 EP88107477A EP0295423A2 EP 0295423 A2 EP0295423 A2 EP 0295423A2 EP 19880107477 EP19880107477 EP 19880107477 EP 88107477 A EP88107477 A EP 88107477A EP 0295423 A2 EP0295423 A2 EP 0295423A2
Authority
EP
European Patent Office
Prior art keywords
perforation line
outside
rivet
tearing
opening
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.)
Granted
Application number
EP19880107477
Other languages
German (de)
English (en)
Other versions
EP0295423A3 (en
EP0295423B1 (fr
Inventor
Per Magnus Andersson
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
Tetra Alfa Holdings 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, Tetra Alfa Holdings SA filed Critical Tetra Laval Holdings and Finance SA
Priority to AT88107477T priority Critical patent/ATE88151T1/de
Publication of EP0295423A2 publication Critical patent/EP0295423A2/fr
Publication of EP0295423A3 publication Critical patent/EP0295423A3/de
Application granted granted Critical
Publication of EP0295423B1 publication Critical patent/EP0295423B1/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
    • B65D5/70—Break-in flaps, or members adapted to be torn-off, to provide pouring openings

Definitions

  • the invention relates to a packaging with an upper base which is at least partially made of a carrier material, e.g. Paper, and has an opening device with a perforation line, along which the pouring opening can be torn open.
  • a carrier material e.g. Paper
  • Such packagings are mostly manufactured and used as disposable packs, preferably for liquids.
  • Milk packaging made of paper or cardboard is known as a carrier material which is coated on both surfaces with plastic.
  • a perforation line is arranged, which runs in the paper itself, but not in the two or at least one plastic layer on one or the other, usually the inside of the package, so that in the case of the liquid as packaging material, it does not enter the paper can penetrate at the interfaces and destroy the package.
  • the pack is therefore liquid-tight.
  • the perforation line specifies a pouring opening, which is arranged in some packs in a double-walled triangular lobe and in other packs directly in the upper surface of the pack, so that the liquid can be poured out well after tearing along the perforation line and thus exposing the pouring opening.
  • the present invention is essentially concerned with the tearing process or means for initiating and improving the tearing.
  • the invention is therefore based on It was the object of the invention to provide the packaging of the type mentioned at the outset with a tear-open device with which the opening of the pouring opening and the gas impermeability of the package can be improved.
  • a gripping and tearing device made of plastic is attached to the outside and inside of the carrier material at at least one point on the perforation line.
  • plastic for the gripping and tearing device, this can advantageously be injected in any desired configurations, so that the tearing and opening of the pouring opening can be improved in particular by the device according to the invention in that the forces directed by the user into the tearing device the correct places can be guided so that the tear process is guaranteed to be initiated in the perforation line.
  • the tear force of the user is completely directed onto the carrier material in the area of the tear device, so that the tear-open begins and takes place along the perforation line with certainty, because the tear, like in known packs, should be along the perforation line and not accidentally next to it.
  • the start of tearing is particularly important, and this is achieved particularly advantageously with the new gripping and tearing device according to the invention.
  • the measures according to the invention also result in the further advantage that packaging equipped with such an opening device is better suited for aseptic conditions because it is substantially impermeable to gases, in particular un permeable to oxygen, as previously known packs or designs still under development. It has been proposed that packs also be designed with an upper base made entirely of plastic without a carrier material, in which an opening device of any configuration can be arranged by spraying. Although such packs can be manufactured very cheaply, practically and economically and can be used for normal liquids that do not have to be packed and stored aseptically, if you want to ensure the sterility of the packaged goods, however, it is disadvantageous to provide a certain permeability of the plastic lid (with the opening device ) for gases.
  • the top floor can be produced, for example, from a support material additionally coated with a metal foil (e.g. aluminum), which has a plug made of plastic only at one or more small points, so to speak. Since this stopper can be kept very small compared to the surface of the top panel and is also thick, the permeability of such an top panel, although it has a practical and easily tearable opening device, can be made largely impermeable to gases.
  • a metal foil e.g. aluminum
  • the tearing device is injected into a hole in the top floor with a rivet-like design in cross section and has a molded web, ring, handle or the like as the gripping device.
  • a large number of gripping devices are known per se for opening devices in liquid packs. It is particularly expedient to attach gripping devices in a variety of forms if they can be produced by injection molding or the like and consist of plastic, as is provided in the case of the present invention. But more important is the tear device, which can preferably be injection molded in one piece with the gripping device.
  • the drawing device tion penetrates the top floor through a hole through which the plastic material can flow from one side of the top floor into the molding space on the other side during injection molding.
  • the cavities in the individual mold parts of the tool are designed in such a way that the tearing device, like a rivet, crosses over the edge of the hole in a mushroom-like manner. If the gripping device is grasped by the user and the force is directed to the tearing device to open the opening device, then the rivet-like design of the tearing device leads to the fact that the tearing forces are guided to the edge of the hole in the top floor and from there to the perforation line, which according to the invention and is conveniently arranged next to a hole edge at a short distance. With the new tear device, the paper or carrier material which is to be torn open so that the pouring opening is created is gripped safely and well, so that the opening is guaranteed for the user without a doubt; And that without additional tools, such as knives or scissors.
  • the attachment point of the tearing device on the top of the package is the tip of the spout of the pouring opening. This advantageously ensures that the start of the tearing process begins at the tip of the spout, i.e. where the liquid jet runs out when pouring out. This eliminates annoying errors when opening the pouring opening of known packs, where tearing takes place in the wrong places, so that the pouring out of the filling material may be considerably restricted.
  • a preferred embodiment of the invention is further characterized in that the hole in the top floor of the package and the tear device are arranged within the pouring opening predetermined by the perforation line in the tearable part of the top floor.
  • the injected Plastic parts should at least partially overlap the inside and outside of the pack in order to provide good anchoring between the tearing device and the backing material. This results in bead-shaped parts which, due to the inventive measures just mentioned, advantageously remain in the part which is torn up or torn open and forms the pouring opening. In particular, bead parts do not remain at the tip of the spout, so that nothing can disturb the proper pouring of the filling material.
  • a particularly preferred embodiment is designed in such a way that, according to the invention, the tearing device outside the package has a radially outside arrangement with respect to the pouring opening, at least partially along the perforation line has running groove for reclosing the pouring opening.
  • This advantage is the installation of the groove and consequently good reclosing. It is useful if the width or thickness of the groove is chosen so that the thickness of the substrate (paper thickness) fits well into the groove.
  • the tear device according to the invention through its production from plastic and the other features and measures mentioned above, allows the groove to be attached in a simple manner and in any configuration: also in such a way that the part which is torn up or torn off (to form the pouring opening ) after the package has been partially emptied, it is folded back into the pouring opening or placed on and pressed in.
  • the indentation takes place in a manner which is generally known to the end user, so that the paper gets into the groove where held by the closure and the opening device is closed.
  • the web below the groove is chamfered in the direction of the top of the pack so that the partially torn piece is pressed or threaded into the hole with the tearing device and the closure can be anchored by snapping.
  • the invention is designed in such a way that the tearing device has the shape of a rivet and has a web attached to it and on the outside of the top panel, which web extends at least partially along and within the perforation line in the tearable part of the top panel of the package and has a groove which is arranged radially on the outside with respect to the pouring opening and is open to the outside for reclosing.
  • the tearing device is not only rivet-shaped in cross-section but three-dimensional like a rivet, that is to say the hole is preferably circular, so that the tearing device passes through the hole from the outside inwards (with respect to the package) like a rivet
  • the edge of the hole overlaps mushroom-like on both sides and thus the forces introduced into the tearing device via the gripping device penetrate the desired location when the opening is torn open, particularly at the start of tearing, namely the perforation line arranged directly next to the rivet.
  • the force is at least partially guided further along the perforation line, although in the region of this web the upper floor is no longer grasped from the inside of the pack with the help of the web and is pulled up. This is generally not necessary because the line of perforations tears open force leads.
  • the reclosing is particularly favored in the last-mentioned embodiment because the tear device can concentrate on a button-like or rivet-like location on the perforation line, but the groove for reclosing still extends over the entire edge of the pouring opening, namely with the aid of the web, which has the groove described outside. It is understood that the web-like part below the groove, i.e. in addition to the surface of the top floor, can also be chamfered inwards and facilitates reclosing and guiding the torn or possibly torn closure.
  • the web has the shape of a ring adapted to the course of the perforation line and the ring also has a rivet-like design at least partially in cross section.
  • the tearing device is not limited to a button-like or rivet-like location, but in the embodiment provided here, at least part of the ring has a rivet-like design in cross section, so that at least on this part of the ring Ausg discernöffnunq is formed by tearing out and the forces are guided via the ring-like web directly to the perforation line.
  • the perfo ration line can be circular, oval, like a polygon or the like, preferably again the spout of the pouring opening is arranged as close as possible to an edge of the top of the package.
  • the pouring opening can be opened completely, i.e. the part of the top of the pack lying within the perforation line is completely torn off and can be placed separately next to the pack. Nevertheless, reclosing is possible in a simple and inexpensive manner, as described above.
  • the web extends along its entire extent along the perforation line (U-shaped or circular) except for one to four places that should be arranged at a distance from one another, penetrating the top floor through slits running alongside the perforation line and in each case in cross-section encompasses mushrooms on both sides (outside and inside the pack).
  • the tearing or tearing forces are guided from the gripping device into the tearing device and, apart from the few bridging points of the paper or carrier material, directly from the web next to the perforation line and finally into it.
  • a tearing is guaranteed exactly along the perforation line, without having to sacrifice the other advantages mentioned above essentially.
  • a liquid pack with an upper base 1 made of a carrier material 2, e.g. Cardboard or paper, which is provided on its outer side with a plastic coating 3 and also on its inner side with a plastic coating 4.
  • a carrier material e.g. Cardboard or paper
  • the top shelf 1 is provided with an opening device, generally designated 5.
  • the opening device 5 has a perforation line 6 (shown as a dash-dotted line in FIGS. 3 and 5), which can also be seen in cross section in FIGS. 2 and 4.
  • a perforation line 6 which here is a self-contained, oval line
  • tear device 7 in the form of the rivet according to the embodiment according to FIGS. 2 and 3 with integrally formed web 8 and gripping device 9; and with cross-section rivet-like web 7 'according to the embodiment of Figures 4 and 5.
  • the pouring opening 10 is ultimately formed by the perforation line 6, which corresponds to the tear-off part 11 of the top panel (within the perforation line 6).
  • the rivet-shaped tearing device 7 is located at the point closest to the side edge 12 of the package and forming the spout tip, shown at 13 in FIG. This practically forms a circular hole 13 'shown in Figure 3 by a broken line.
  • the hole 13 ' is like the rivet-like tearing device 7 in its spatial shape within the perforation line 6, i.e. thus in the tearable part 11 of the top panel 1.
  • From this point 13 of the rivet 7 extends the annular web 8, which according to the illustration in FIG. 2 is only sealed onto the top plastic layer 3 of the top panel 1.
  • the lower outer edge of the annular web 8 is in alignment with the perforation line 6, as can be seen on the right in FIG. 2.
  • the annular web 8 has the groove 14 which is open to the outside and which is arranged radially on the outside with respect to the pouring opening 10 and which completely rotates in an annular manner.
  • the thickness D of the groove 14 (FIG. 2 on the right) is greater than or equal to the paper layer 2, including the plastic layers 3 and 4.
  • the rivet-like tear device 7 has a wedge-shaped bevel for better reclosure on.
  • FIG. 5 is a view of the top floor 1 from within the package in the still unopened state.
  • FIG. 5 in the second embodiment therefore, with the two parallel oval, continuous lines, the mushroom-shaped bead of the rivet-like tearing device 7 'which looks out inside the pack, but which is connected to the upper ring web 8 only via the longitudinal slots 16.
  • the tear-off part 11 of the top floor is connected to the outer part of the top floor via the four points mentioned, where the perforation line 6 can be seen.
EP88107477A 1987-06-17 1988-05-10 Emballage avec dispositif d'ouverture Expired - Lifetime EP0295423B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88107477T ATE88151T1 (de) 1987-06-17 1988-05-10 Verpackung mit oeffnungsvorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2288/87A CH673821A5 (fr) 1987-06-17 1987-06-17
CH2288/87 1987-06-17

Publications (3)

Publication Number Publication Date
EP0295423A2 true EP0295423A2 (fr) 1988-12-21
EP0295423A3 EP0295423A3 (en) 1989-03-22
EP0295423B1 EP0295423B1 (fr) 1993-04-14

Family

ID=4230273

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107477A Expired - Lifetime EP0295423B1 (fr) 1987-06-17 1988-05-10 Emballage avec dispositif d'ouverture

Country Status (10)

Country Link
US (1) US4828138A (fr)
EP (1) EP0295423B1 (fr)
JP (1) JPS63317453A (fr)
AT (1) ATE88151T1 (fr)
AU (1) AU600366B2 (fr)
CA (1) CA1316130C (fr)
CH (1) CH673821A5 (fr)
DE (1) DE3880205D1 (fr)
ES (1) ES2039500T3 (fr)
SU (1) SU1755708A3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0416256A2 (fr) * 1989-09-05 1991-03-13 Tetra Laval Holdings & Finance SA Emballage pour matière de remplissage pouvant s'écouler avec dispositif d'ouverture
WO2000035762A1 (fr) * 1998-12-16 2000-06-22 Toma Trade, S.R.O. Recipient d'emballage et utilisation de ce recipient
DE102004061647A1 (de) * 2004-12-17 2006-06-29 Sig Technology Ag Verfahren zum Applizieren eines Öffnungs-und Ausgießelements auf einen Behälter
ITUA20164389A1 (it) * 2016-06-15 2017-12-15 Gd Spa Apparato e procedimento per la formatura del dispositivo di apertura di contenitori per liquidi.

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5829672A (en) * 1997-05-14 1998-11-03 Tetra Laval Holdings & Finance, Sa Cut-out integrated closure and forming method therefor
US6354062B1 (en) 1999-05-13 2002-03-12 Bevtek Inc. Method of manufacture of individual beverage carton with a straw therein
US6431434B1 (en) 1999-09-23 2002-08-13 Keith Louis Haughton Individual beverage carton with a straw therein and a method of manufacture
US6328203B1 (en) * 2001-05-04 2001-12-11 International Paper Company Opening feature for beverage container
EP1461285A4 (fr) * 2001-12-06 2005-05-25 Gabriel Cabelli Recipients de distribution de fluide portatifs
SE523936C2 (sv) 2001-12-19 2004-06-01 Tetra Laval Holdings & Finance Formsprutningsverktyg samt sätt att formspruta
EP2889231A1 (fr) * 2013-12-30 2015-07-01 Tetra Laval Holdings & Finance SA Matériau d'emballage et contenant d'emballage pourvu d'un dispositif d'ouverture fabriqué à partir de celui-ci
SE1451051A1 (sv) * 2013-12-30 2015-07-01 Tetra Laval Holdings & Finance Molding apparatus and method for manufacturing an opening device
WO2015169656A1 (fr) * 2014-05-07 2015-11-12 Tetra Laval Holdings & Finance S.A. Structure de stratifié de matériau d'emballage
CN106457633B (zh) * 2014-06-19 2019-05-17 利乐拉瓦尔集团及财务有限公司 开口装置及其制造方法和用于所述方法的包装材料
BR112017013303A2 (pt) 2014-12-22 2018-02-14 Tetra Laval Holdings & Finance material de embalagem, e, recipiente de embalagem.
RU2640981C1 (ru) * 2014-12-22 2018-01-12 Тетра Лаваль Холдингз Энд Файнэнс С.А. Упаковочный материал и упаковочный контейнер, сформированный из такого материала
RU2647754C1 (ru) 2015-02-09 2018-03-19 Тетра Лаваль Холдингз Энд Файнэнс С.А. Упаковочный материал и упаковочный контейнер, образованный из такого упаковочного материала.
JP6436143B2 (ja) * 2016-10-14 2018-12-12 トヨタ自動車株式会社 締結具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302824A (en) * 1964-11-24 1967-02-07 Reynolds Metals Co Container and method of making the same or the like
FR2398670A1 (fr) * 1977-07-28 1979-02-23 Tokan Kogyo Co Ltd Couvercle de recipient comportant une partie partiellement ou totalement detachable
EP0117125A2 (fr) * 1983-02-15 1984-08-29 Toyo Seikan Kaisha Limited Couvercle à ouverture facile, scellé à chaud

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3404799A (en) * 1965-04-16 1968-10-08 Continental Can Co Container
GB1407601A (en) * 1972-01-06 1975-09-24 Metal Box Co Ltd Container closures

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302824A (en) * 1964-11-24 1967-02-07 Reynolds Metals Co Container and method of making the same or the like
FR2398670A1 (fr) * 1977-07-28 1979-02-23 Tokan Kogyo Co Ltd Couvercle de recipient comportant une partie partiellement ou totalement detachable
EP0117125A2 (fr) * 1983-02-15 1984-08-29 Toyo Seikan Kaisha Limited Couvercle à ouverture facile, scellé à chaud

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0416256A2 (fr) * 1989-09-05 1991-03-13 Tetra Laval Holdings & Finance SA Emballage pour matière de remplissage pouvant s'écouler avec dispositif d'ouverture
EP0416256A3 (en) * 1989-09-05 1991-11-21 Tetra Pak Holdings & Finance S.A. Package for flowable products with opening device
WO2000035762A1 (fr) * 1998-12-16 2000-06-22 Toma Trade, S.R.O. Recipient d'emballage et utilisation de ce recipient
DE102004061647A1 (de) * 2004-12-17 2006-06-29 Sig Technology Ag Verfahren zum Applizieren eines Öffnungs-und Ausgießelements auf einen Behälter
DE102004061647B4 (de) * 2004-12-17 2008-02-07 Sig Technology Ag Verfahren zum Applizieren eines Öffnungs-und Ausgießelements auf einen Behälter
ITUA20164389A1 (it) * 2016-06-15 2017-12-15 Gd Spa Apparato e procedimento per la formatura del dispositivo di apertura di contenitori per liquidi.

Also Published As

Publication number Publication date
ATE88151T1 (de) 1993-04-15
SU1755708A3 (ru) 1992-08-15
DE3880205D1 (de) 1993-05-19
CH673821A5 (fr) 1990-04-12
EP0295423A3 (en) 1989-03-22
US4828138A (en) 1989-05-09
EP0295423B1 (fr) 1993-04-14
AU1776488A (en) 1988-12-22
AU600366B2 (en) 1990-08-09
JPS63317453A (ja) 1988-12-26
ES2039500T3 (es) 1993-10-01
CA1316130C (fr) 1993-04-13

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