EP0663344A1 - Dispositif d'ouverture d'un conteneur pour liquides - Google Patents

Dispositif d'ouverture d'un conteneur pour liquides Download PDF

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Publication number
EP0663344A1
EP0663344A1 EP94119194A EP94119194A EP0663344A1 EP 0663344 A1 EP0663344 A1 EP 0663344A1 EP 94119194 A EP94119194 A EP 94119194A EP 94119194 A EP94119194 A EP 94119194A EP 0663344 A1 EP0663344 A1 EP 0663344A1
Authority
EP
European Patent Office
Prior art keywords
screw cap
support ring
top wall
cutting knife
free edge
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.)
Withdrawn
Application number
EP94119194A
Other languages
German (de)
English (en)
Inventor
Leif JÖNSSON
Tommy Nilsson
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 EP0663344A1 publication Critical patent/EP0663344A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/08—Threaded or like closure members secured by rotation; Bushes therefor
    • 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
    • B65D5/747—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall
    • B65D5/748—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall a major part of the container wall or membrane being left inside the container after the opening
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0012—Upper closure of the 39-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0037—Intermediate closure(s)
    • B65D2251/0056—Intermediate closure(s) of the 47-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane
    • B65D2251/0096—Membrane integral with 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/10—Tearable part of the container

Definitions

  • the invention relates to a device for opening a plasticizer pack, which is fastened to the top wall of the pack, with a screw cap and a cylinder-shaped support ring.
  • Opening packs consist of a support ring and a screw cap screwed thereon, the support ring being fastened around a hole previously made in the top wall of the pack.
  • the hole in the top wall generally causes tightness problems, which must be compensated for by appropriate seals between the support ring and screw cap.
  • the opening device must inevitably be provided with reliable sealing devices, as a result of which a more complex production and possibly also a more difficult opening have to be accepted.
  • the invention has for its object to provide a device of the type mentioned that is easy to manufacture and easy to open and does not affect the tightness of the package in any way.
  • the cylindrical jacket-shaped support ring is fastened to the upper wall of the pack by means of a fastening flange encompassing an opening disk, has a threaded bead on its inner surface and comprises the external thread of the plastic-made screw cap, and that a screw is attached to the free edge of the screw cap Cutting knife is integrally formed, which has a front cutting edge running at an angle through the free edge.
  • the opening device is reliably attached to the top floor at the point where the pouring opening is later desired.
  • packaging materials for flow agents usually have plastic on at least one surface, be it that the entire top wall is made of plastic or that composite material has a thin plastic coating.
  • the cylindrical jacket-shaped support ring of the new opening device could be attached by gluing.
  • the mounting flange of the support ring, which surrounds the opening disc, is used for this.
  • the opening disk is the part that is at least partially cut out of the upper wall to be opened and thus releases the pouring opening.
  • that part of the top wall which is at least partially separated by the cutting knife of the new opening device to create the pouring opening is referred to in the description.
  • the support ring of the new invention does not have an external thread, as in the prior art, onto which a screw cap with an internal thread is screwed, but rather has a thread bead on its inner surface.
  • This can be a single-stage or a multi-stage thread with one or more threads arranged in the form of a thread. In the preferred embodiments described in the following, it is sufficient to form only a thread bead which rotates about 360 ° on the inner surface of the support ring.
  • the support ring is preferably made of plastic. But it can also be made of other materials, provided that they are glued to the top wall or attached in some other way.
  • the inside of the threaded ring of the support ring comprises the external thread of the screw cap, the screw cap preferably being formed from plastic.
  • the opening device only consists of the outer support ring, which holds the screw cap on the inside.
  • the screw cap has a free edge directed downwards towards the still closed top wall, on which the cutting knife mentioned is formed in one piece in a particularly expedient manner.
  • the manufacture of such a cutting knife is technically simple and extremely economical.
  • the packaging manufacturer can produce such screw caps in large numbers at a low price and in a short amount of time.
  • the cutting knife is out of engagement after manufacture, during transport and also during storage of the package under consideration here, ie before the package is opened by the end user for the first time with the topsoil.
  • the screw cap is thus only screwed into the support ring to such an extent that the screw cap is held and the cutting knife remains above the undamaged top surface.
  • the cutting knife has a front cutting edge which runs through the free edge at an angle. This front cutting edge can be straight or curved and has this inclination to the free edge of the screw cap, so that a cutting operation can easily be carried out by the end user as with a knife blade.
  • the user wants to open the package all he has to do is screw the screw cap further into the support ring in a direction indicated, for example, by an arrow or other instruction, and the cutting knife with its leading cutting edge already engages with the top surface.
  • This intervention takes place at a point on the circumference of the opening disk described above in the top floor.
  • the front cutting edge which is at an angle to the central longitudinal axis of the screw cap and the support ring, moves at least a little along the circumference of this opening disk and separates it from the top surface in the area within the support ring. This opens the top of the pack and the end user can empty the contents.
  • the pitch of the threaded bead on the support ring and the axial height of the cutting knife from the free edge in the direction of the pack are coordinated so that the front cutting edge on a rotation of the screw cap of about 270 ° through the plane of Upper wall is moved through.
  • the front cutting edge has a certain length, which is generally greater than the axial height mentioned.
  • the outermost and bottom end of the front cutting edge understandably enters the top wall first and, as the screw cap rotates further, penetrates the top panel so that the next parts of the front cutting edge behind it come into cutting engagement until the front cutting edge completely during the further rotation of the screw cap has been pushed through the plane of the top wall.
  • the axial height of the cutting knife from the free edge in the direction of the pack or its top base lies in the direction of the central axis or is measured in this direction, which is why it is called the "axial" height. If you look at the screw cap in longitudinal section or in a side view perpendicular to the central axis of the screw cap, the top wall then appearing as a preferably straight line because one looks along the surface of the top wall, then the free edge of the screw cap also shows up as a line. If the front end of the front cutting edge facing the top wall is just not yet in engagement with the top wall, then the free edge of the screw cap is at a distance which, seen in the direction perpendicular to the central axis, has the aforementioned height of the cutting knife.
  • the front cutting edge of the cutting knife has a component in the direction of the central axis, and from the point where the front cutting edge cuts the free edge to the upper surface of the top wall, this axial component of the front cutting edge has exactly the amount of the mentioned axial Height.
  • the pitch of the thread bead or the pitch of the external thread of the screw cap is greater than the axial height of the cutting knife.
  • the cutting knife thus needs less than a rotation angle of 360 ° from the point of penetration into the top wall at the beginning of the rotation until the moment when the inner end of the front cutting edge has just penetrated through the top wall, which is called the end point of the pitch circle cut.
  • the advantageous consequence of this measure is that the opening disk cut or cut from the top wall is not completely cut out of the top bottom and thus cannot fall into the inside of the package into the contents; Instead, there remains an uncut connection between the opening pane and the upper floor surrounding it, like a kind of bridge, which is guaranteed to hold the opening pane securely in place.
  • the invention ensures that the remaining predominant part of the circumference bears the thread on the free edge of the screw cap.
  • the result of this is the advantage that when the screw cap is turned further while the front cutting edge is disengaged from the top panel, namely inside the packaging, the adjacent thread now grips the opening disk and folds over like a flap so that the area of the opening disk is free and so that the pouring opening is opened properly.
  • the opening device according to the invention thus provides a perfectly closed upper base and thus a tight packing before the cutting knife is cut, and the pouring opening is created in a favorable manner simply by rotating the screw cap simply because the opening disk is cut sufficiently far, for example via a Angle of rotation of about 270 °, is folded over and the emptying of the filling material Pouring out is not in the way.
  • the support ring is divided by a predetermined breaking line running parallel to the fastening flange into a lower seat part with the fastening flange and a spacer ring which has a support flange holding the rotating part of the screw cap.
  • the support ring consists of plastic that can be welded to the top wall and that a tab is formed on the spacer ring for removing the spacer ring from the seat part.
  • Plastic is the easiest to mold, and one can also produce more complicated designs inexpensively by injection molding.
  • the shaping of a gripping tab or pull tab is not a problem.
  • Lines of weakness can also be conveniently and reliably attached between the seat part and the spacer ring, and attachment to an upper wall that has plastic at least on the surface is known technology.
  • the opening device according to the invention can be easily, simply and reliably attached to the package in such a way that the package can be opened after the spacer ring has been torn off with the aid of the tab.
  • the cutting knife has a tip which projects downward beyond the free edge and is directed toward the pack.
  • the axial height explained above is then the distance of the tip of the cutting knife from the free edge of the screw cap measured in the direction of the central axis. It is expedient to inject such a cutting knife from the same plastic material onto the screw cap, as does the material of the turned part of the screw cap. It then becomes one piece.
  • the screw cap has a radially larger turned part and attached to it a radially smaller, preferably hollow cylindrical thread with a trapezoidal external thread and if the free edge of the screw cap is sharpened on at least part of its circumference to the outside in such a way that the the sharpened outline lies in the area forming the base of the external thread.
  • Plastic material and paper including coated paper and other composite materials, can be cut with such a cutting knife in the manner described here, thus creating an opening device.
  • the hollow cylindrical thread approach can be manufactured up to its final design by injection molding. However, it is also possible to either make the external thread trapezoidal by turning off the rotationally symmetrical workpiece parts or to sharpen the free edge of the hollow cylindrical thread attachment in the manner described.
  • the cutting knife itself can advantageously be produced by such turning work.
  • the cutting knife for use with plastic materials can be produced in such a way that, according to the invention, the leading cutting edge of the cutting knife is arranged in the outer bead of the external thread of the screw cap .
  • the front cutting edge is preferably straight. If you cut a conical surface, for example that of a turning tool, with the hollow cylindrical thread attachment made of plastic in such a way that the cutting line passes through and intersects with the raised parts of the external thread, then you form a straight front cutting edge of the cutting knife in the outer bead of the External thread of the screw cap, without further injection molding measures being necessary for the formation of the cutting knife.
  • the plastic support ring 4 which is circularly symmetrical with respect to the central axis 3, is welded to the upper floor 1 of a liquid pack 2, which is only shown schematically and broken off, via the fastening flange 5 at 6.
  • the support ring 4 consists of the seat part 7 and the spacer ring 8, both of which are separated from one another by the predetermined breaking line 9 running parallel to the top wall 1.
  • the spacer ring 8 has in its upper part the radially outwardly extended support flange 10 and a tear-off tab 11 formed on the ring 8 on the right.
  • the support ring 4 and in particular the seat part 7 has on its circular inner surface 12 a threaded bead 13 which extends over a good 360 °.
  • the screw cap 41 consists of a radially larger rotating part 14 and a threaded projection 15 which is radially smaller with respect to this (14), which is of hollow cylindrical design and evidently has a smaller radius with respect to the rotating part 14.
  • the external thread 16 of the threaded shoulder 15 and thus also the screw cap 41 fits into the rotational engagement in the annular bead 13, as does the outer circumference of the rotating part 14 in the support flange 10 and comes into contact with its flat, horizontal ring.
  • a cutting knife 18 with a straight front cutting edge 19 the component of which in the direction of the central axis 3 from the free edge 17 to the lowest end 20 facing the top wall 1 is called the axial height H of the cutting knife 18.
  • the foremost end 20 of the front cutting edge 19 is designed in the form of a tip 20, and this cutting knife 18 is used to cut paper-containing material.
  • the front end 20 of the cutting knife 18 is made flatter and is used to cut through an upper base 1 made of plastic.
  • the cutting takes place on the outer circumference of the opening disk 21 visible in FIG. 5, which is circular and is cut along the cutting line 22 at an angle of 270 °.
  • FIG. 5 one looks at the cut-off but not bent or folded-away opening disk 21 with the seat part 7 comprising the opening disk 21 with the fastening flange 5.
  • the innermost surface of the threaded bead 13 is shown as a circle 23, and this is also the circle in FIG. 5 Cutting knife not visible because the screw cap 41 is unscrewed in the illustration of FIG. 5.
  • FIGS. 1 and 6 show the opening device before the first opening, in which state the front end 20 or the tip of the cutting knife 18 has just not yet come into engagement with the top panel 1. This is achieved by the axial length of the hollow cylindrical threaded shoulder 15 which is adjusted to the height of the support ring 4. A stronger indentation of the front end 20 of the cutting knife 18 is not possible because the radially larger rotating part 14 is held in the support flange 10 of the support ring 4.
  • the screw cap 41 can be turned clockwise further so that the threaded attachment 15 with the cutting knife 18 moves downward in the direction of the central axis 3 in the direction of the top floor 1.
  • the tip or the front end 20 of the cutting knife 18 penetrates into the top floor 1, for example, at the point designated by 24 in FIG.
  • the screw cap 41 is turned further in the direction of the curved arrow 25 (clockwise)
  • the front cutting edge 19 runs on the circumference of the opening disk 21 along the three-quarter circle 22 according to FIG. 5 up to the point designated by 26.
  • the front cutting edge 19 penetrates ever deeper into the top soil 1, so that the innermost, rearmost end 27 of the front cutting edge 19 stops cutting at the point 26. If the user then turns the screw cap 41 a little further in the direction of arrow 25, then the front cutting edge 19 does not make any further cuts, since it is dipped inward under the plane of the top wall 1 into the pack. Rather, the adjacent thread, as shown in FIG. 4, ensures that the opening disk 21, which is only partially shown in broken form in FIG. 4, is bent and at least partially folded away to an acute angle. If afterwards, i.e. after the pouring opening has been made, would unscrew the screw cap 41, then the pouring opening would be open and the user could empty the contents.
EP94119194A 1993-12-22 1994-12-06 Dispositif d'ouverture d'un conteneur pour liquides Withdrawn EP0663344A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4343816A DE4343816A1 (de) 1993-12-22 1993-12-22 Vorrichtung zum Öffnen einer Fließmittelpackung
DE4343816 1993-12-22

Publications (1)

Publication Number Publication Date
EP0663344A1 true EP0663344A1 (fr) 1995-07-19

Family

ID=6505755

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94119194A Withdrawn EP0663344A1 (fr) 1993-12-22 1994-12-06 Dispositif d'ouverture d'un conteneur pour liquides

Country Status (8)

Country Link
EP (1) EP0663344A1 (fr)
JP (1) JPH07215354A (fr)
KR (1) KR950017671A (fr)
CN (1) CN1109015A (fr)
BR (1) BR9405157A (fr)
CA (1) CA2138321A1 (fr)
DE (1) DE4343816A1 (fr)
TW (1) TW271427B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002044046A1 (fr) * 2000-11-30 2002-06-06 Cope Allman Plastic Packaging Limited Systeme de fermeture inviolable de bouteilles
WO2003002419A1 (fr) * 2001-06-27 2003-01-09 Terxo Ag Dispositif de fermeture dote d'un perforateur

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9713525D0 (en) * 1997-06-26 1997-09-03 Smith David S Packaging A set of parts for providing a flow path
EP1088765A1 (fr) 1999-10-01 2001-04-04 Tetra Laval Holdings & Finance SA Moyen d'ouverture refermable pour emballages de produits alimentaires liquides
ES2260406T3 (es) 2002-09-09 2006-11-01 TETRA LAVAL HOLDINGS & FINANCE SA Dispositivo de apertura cerrable para envases de productos alimenticios vertibles.
DE102004032100B4 (de) * 2004-07-01 2006-06-22 Rainer Ammann Verfahren zum Ablösen bzw. Abtrennen einer auf den Rand des Halses einer Flasche od. dergl. aufgesiegelten Siegelfolie und Schraubkappen zur Ausführung dieser Verfahren
DE102004040928B4 (de) * 2004-08-24 2012-10-31 Georg Menshen Gmbh & Co. Kg Verschluss für einen Behälter
EP2000418B1 (fr) * 2007-06-05 2010-09-08 Tetra Laval Holdings & Finance SA Fermeture d'un récipient hermétique d'un produit alimentaire versable, et son procédé de production
GB0907662D0 (en) * 2009-05-02 2009-06-10 Elopak Systems Improvements in or relating to pour spout fitments
EP3260386B1 (fr) * 2016-06-23 2019-02-13 Tetra Laval Holdings & Finance S.A. Matériau de conditionnement de feuille multicouche pour produire des emballages scellés de produits alimentaires versables
CN107284838A (zh) * 2017-07-06 2017-10-24 广东汇伟塑胶股份有限公司 一种瓶盖
FR3096968B1 (fr) * 2019-06-07 2021-07-23 Albea Services Ensemble pour la fermeture d’un tube et tube comprenant cet ensemble
TWI739146B (zh) * 2019-08-22 2021-09-11 國立高雄科技大學 環保液體包支撐與輔助倒出結構
JP7290538B2 (ja) * 2019-10-15 2023-06-13 株式会社 資生堂 注出キャップ

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US2028175A (en) * 1934-02-14 1936-01-21 Sheridan C Waite Dispensing tube
FR2234206A1 (fr) * 1973-06-25 1975-01-17 Finke Kunststoff Robert
EP0385603A1 (fr) * 1989-02-13 1990-09-05 Nippon Paper Industries Co., Ltd. Récipient en papier avec dispositif d'ouverture
WO1990009930A1 (fr) * 1989-02-27 1990-09-07 Wells Robert A Conteneur a ouverture facile, a fermeture non amovible
US5141133A (en) * 1990-03-06 1992-08-25 Marubeni Corporation Pouring plug of a container
WO1993008092A1 (fr) * 1991-10-22 1993-04-29 Cap Snap Co. Unite embout et bouchon pourvus d'une bande revelant une tentative d'ouverture

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FR1248097A (fr) * 1959-10-30 1960-12-09 Bouchon perforateur
DE1879336U (de) * 1962-08-20 1963-09-12 Ernst Dipl Kfm Ing Feichtinger Schraubkappe fuer tuben.
FR1561377A (fr) * 1968-02-02 1969-03-28
DE7034843U (de) * 1970-09-19 1971-01-07 Boehringer Mannheim Gmbh Tubenverschluss mit durchstechdorn.
DE2945293A1 (de) * 1979-11-09 1981-05-21 Franz 7500 Karlsruhe Kutterer Tubenverschluss
US4362255A (en) * 1980-10-24 1982-12-07 Liqui-Box Corporation Barrier spout and cap for flexible bags or pouches
US4793122A (en) * 1982-11-12 1988-12-27 Tbl Development Corporation Tamper-indicating closure for a container, container and method for making same
US4871077A (en) * 1987-04-27 1989-10-03 Doxtech, Inc. Tamper resistant, tamper evident leak proof container
SE469025B (sv) * 1991-09-04 1993-05-03 Tetra Alfa Holdings Oeppningsanordning foer en foerpackningsbehaallare

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2028175A (en) * 1934-02-14 1936-01-21 Sheridan C Waite Dispensing tube
FR2234206A1 (fr) * 1973-06-25 1975-01-17 Finke Kunststoff Robert
EP0385603A1 (fr) * 1989-02-13 1990-09-05 Nippon Paper Industries Co., Ltd. Récipient en papier avec dispositif d'ouverture
WO1990009930A1 (fr) * 1989-02-27 1990-09-07 Wells Robert A Conteneur a ouverture facile, a fermeture non amovible
US5141133A (en) * 1990-03-06 1992-08-25 Marubeni Corporation Pouring plug of a container
WO1993008092A1 (fr) * 1991-10-22 1993-04-29 Cap Snap Co. Unite embout et bouchon pourvus d'une bande revelant une tentative d'ouverture

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002044046A1 (fr) * 2000-11-30 2002-06-06 Cope Allman Plastic Packaging Limited Systeme de fermeture inviolable de bouteilles
WO2003002419A1 (fr) * 2001-06-27 2003-01-09 Terxo Ag Dispositif de fermeture dote d'un perforateur
US6851576B2 (en) 2001-06-27 2005-02-08 Terxo Ag Closing device with a piercing element
AU2002257483B2 (en) * 2001-06-27 2006-11-30 Bericap Holding Gmbh Closing device with a piercing element

Also Published As

Publication number Publication date
BR9405157A (pt) 1995-08-01
CA2138321A1 (fr) 1995-06-23
KR950017671A (ko) 1995-07-20
CN1109015A (zh) 1995-09-27
DE4343816A1 (de) 1995-06-29
JPH07215354A (ja) 1995-08-15
TW271427B (fr) 1996-03-01

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