EP0751897B1 - Systeme d'ouverture pour emballage contenant un liquide - Google Patents

Systeme d'ouverture pour emballage contenant un liquide Download PDF

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Publication number
EP0751897B1
EP0751897B1 EP95909699A EP95909699A EP0751897B1 EP 0751897 B1 EP0751897 B1 EP 0751897B1 EP 95909699 A EP95909699 A EP 95909699A EP 95909699 A EP95909699 A EP 95909699A EP 0751897 B1 EP0751897 B1 EP 0751897B1
Authority
EP
European Patent Office
Prior art keywords
disc
tab
edge
top wall
tongue
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
EP95909699A
Other languages
German (de)
English (en)
Other versions
EP0751897A1 (fr
Inventor
Leif Tilly JÖENSSON
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 EP0751897A1 publication Critical patent/EP0751897A1/fr
Application granted granted Critical
Publication of EP0751897B1 publication Critical patent/EP0751897B1/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
    • B65D5/747—Spouts formed separately from the container with means for piercing or cutting the container wall or a membrane connected to said wall
    • B65D5/749—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 removed from the container after the opening

Definitions

  • the invention relates to a device for opening a package, on the upper wall Devices for opening and reclosing are provided.
  • an im Top hole arranged closed by a two-part opening device, which in this way is designed flat so that no parts protrude beyond the overall contour of the top wall. It is a prefabricated and held on magazine opening device that a lower and an upper part, which are connected to each other via a hinge-like folding line are connected. For sealing, a thin plastic film is placed between the two and on the Lower part fixed, which ensures tightness.
  • This known opening device requires a hole with a raised collar in the top wall of the pack To have anchoring options. In the case of aseptic packaging, the Hole area are particularly covered.
  • Opening device made of plastic, which corresponds to a corresponding Perforation lines provided liquid pack of paper is sealed.
  • This Opening device consists of a first outer part with a pouring edge and a separately arranged at a distance from the inside and movable relative to the outer part second inner part, both molded from plastic and kept in stock.
  • the Design of the opening device parts is somewhat complex, and both parts are through cast threads connected together, one of which protrudes as a loop for opening.
  • the pivot point rotates and the paper underneath along the perforation lines under rotation tears the inner part around a horizontal axis.
  • the object of the invention is to provide a pack with a device with the features of the introduction to provide the type mentioned in such a way that with simple manufacture and more user-friendly Handling when opening the absolute tightness of the package until the first opening is guaranteed and, if necessary, aseptic conditions of the pack interior by opening can be maintained better.
  • this object is achieved in that a disc made of plastic the top wall is sealed, in the middle a recess for receiving a pivot pin and at a distance around this recess, a continuous one extending over almost 360 ° Has slot, which on the opposite side of the pouring edge of at least a bridge on which a knife is held in a rest position, is interrupted that a tab is rotatable about the axis of the pivot pin at the Arranged top of the disc and is bendable with respect to this axis, and that that in Position of use knives protruding into the slot at the bottom of the tab attached and designed to pierce the top wall longer than the thickness of the disc.
  • Opening device is easier because there are only two, preferably detachable, with each other previously connected parts by injection molding of plastic, the washer and the Tab.
  • the opening device on a closed top wall of a Package be sealed without the package opening even at a single point must have. This ensures absolute tightness until the first opening.
  • Man may further provide a gas barrier to the inner surfaces of the package, e.g. with a Cover the metal foil so that the aseptic filling conditions of the Packaging can be guaranteed until it is opened for the first time. Handling when opening is advantageously logical and simple.
  • the plastic disc is through the circular slot extending to the Interruption divided into two parts, which are connected in the area of the interruption are e.g. to form a hinge. Both parts of the disc, namely the inner circular disc part and the outer ring member are on the plastic surface of the package sealed up. Except for the bridging, through which the pitch circle of the slot is interrupted , both parts of the disc are located radially apart from each other.
  • the plastic of the tab has sufficient softness or elasticity so that the tab is bendable relative to the axis of the pivot pin.
  • the knife mentioned attached At a distance from the radius of the circular Slit from the axis of the pivot pin on the underside of the tab is the knife mentioned attached, which extends down over the length described. In a The knife is held in the rest position in the area of the bridging so that it touches the top wall not injured. For example, the knife tip on the plastic cannot at this point the disc is perforated throughout.
  • the user wishes to open the top wall, then he bends the tab upwards from the Away the top wall and turn it around the axis of the pivot pin until the knife on one anywhere above the slot. Here the user releases the tab, so that Knife moves into the slot. If necessary, if the knife still covers the top wall should not have punctured, the user presses the tab from above and stabs with it the knife tip through the top wall under the slot. At this first piercing it can also be the contact of a cutting blade of the knife with the top wall.
  • the knife also has at least one blade, so that the user Tab can now turn in one direction or the other around the axis of the pivot pin in such a way that the top wall in the area below the circular slot except for the aforementioned bridging an arc of almost 360 ° is cut.
  • the opening device i.e. the disc according to the invention
  • the opening device nearby be attached to an outer edge of the top wall of the pack, so that here the pouring edge will be.
  • the user places the flap over this by partially turning it back Pouring edge, then the knife is on the opposite side of the bridging Slot.
  • the user bends the tab up, preferably using instructions for use marked the hinge point, the tab can be located under the inner circular disk part Fold out part of the top wall in a hinge-like manner so that a towards the pouring edge Opening becomes completely free. You can see the simple and user-friendly handling When opening.
  • the device according to the invention can also be reclosed. The user then only needs to push the tab down again, so that the inner circular disc part in the original position comes to lie and - except for the narrow, circular slot - closes the top wall again.
  • the disc is both in the area of the outer ring part and the inner circular disc part at least point or line-like, but preferably over the entire surface, on the plastic Sealed top wall.
  • the outer contour of the disc can be oval, circular. polygonal, e.g. be square or triangular. It is preferably circular.
  • the radius of the outer Ring part is preferably larger by 1/3 to 1/4 of the radius of the inner circular disk part than the radius of the inner circular disk part.
  • the knife can be made of plastic or metal and attached to the underside of the tab be.
  • Bottom here means the direction perpendicular to the top wall, one Elastic packaging is usually set up so that the pouring device with the here described opening device on the wall "above”, namely the top wall, is attached. This is preferably flat, but only needs to be level in the area of the opening device be that the tab for cutting can be rotated along the circular slot.
  • the prefabrication of the plastic disc and the preferably pivotable relative to this attached tab is also easy to manufacture with simple spraying machines, if in a further embodiment of the invention the central recess for the pivot pin itself extended to the top wall of the pack and preferably entirely due to the thickness of the disc is designed throughout.
  • This recess can be bag-shaped in cross section be designed, the production of the injection mold both for the recess and for the to these appropriately adapted pivot pins is even easier if the Recess extends through the entire thickness of the disc.
  • the extension of the Recess through the disc or the inner circular disc part in the direction of the The top wall is used to connect the tab so that it can be rotated so that it is not without more can be pulled out.
  • the tab with attached pivot pin can for example in the manufacture by bending the plastic parts into the recess to be snapped. However, other conventional arrangement methods are also conceivable.
  • An alternative embodiment of the invention is characterized in that under Use of the essential features according to the above description additionally one Auxiliary edge is attached to the circumference of the disc with the exception of the pouring edge. It is understood that on the pouring side of course no interference, no resistance and no barrier should be provided.
  • the pouring aid edge preferably extends vertically a little way out of the pane, for example 1 to 5 mm, preferably 2 to 3 mm. This will open and tear out the top wall in the Area of the inner circular disk part, especially in the case of liquid contents, the liquid thereon prevented from running onto the top wall. It is rather by the pouring aid edge from guided and can then run over the pouring edge without interference.
  • the distance between the two ends of the Gleßangeskante from each other is little larger than the width of the tab.
  • the pouring aid edge runs towards the pouring edge in a funnel shape. Front across is then the pouring edge, which is from the two spaced ends of the The pouring aid edge extends.
  • the pouring aid edge extends vertically upwards from the pane protruding edge, wall or web, then you can add the front ends use to fix the tab in the position of use, e.g. from the first reclosing on.
  • the tab is flat and elongated such that its length is preferably from the axis of the integrally connected pivot pin to its front end by 1 to 3 cm, preferably 2 cm, is greater than the distance between the axis of the pivot pin and the pouring edge. Poses one such a flap after first cutting the under the Disc located top floor in the position where the tab over the pouring edge then it protrudes slightly over the edge of the pack, but makes it easier for the user grasping and folding up the flap together with the inner circular disc part - under Use of the hinge in the area of the bridging.
  • the pivot pin can preferably be integrally molded with the tab during injection molding be.
  • face the top wall expanding recess prefers a different design, you can of course also connect separately to the flap by means of snap or clamp locks, by latching or other known techniques.
  • the liquid pack has a cuboid shape with side wall 1, front wall 2 and top wall 3, which are connected to one another via a front folded edge 4. Under “front” is understood here that side of the top wall 3 on which the pouring edge 5 of the Opening device is located.
  • the opening device consists of a disc 6 and a rotatable with respect to the disc 6 on this captively arranged tab 7.
  • the disk 6 in turn consists of plastic and is in its entirety on the top wall 3 the package sealed.
  • a slot 8 which extends in a circle over approximately 280 ° the disc 6 is divided into an inner circular disc part 9 and an outer ring part 10. Both are apart from two web-like bridges 11 arranged at a distance a from one another separated from each other. Between these there is a sack-like depression 12 in the pane, which is open at the top away from the top wall 3, as can be seen particularly clearly in the cross-sectional view who sees Figure 2.
  • Both the inner circular disk part 9 and the outer ring part 10 are sealed separately from one another on the plastic surface of the upper wall 3. In front the first time the package is opened, the inner circular disc part 9 is thus Top wall 3 below and the web-like bridges 11 held on the back of the pack.
  • a recess 14 is formed in the disc 6, which according to Representation of Figures 2 and 3 (in cross section) to the top wall 3 expanded such that a Shoulder 15 results.
  • the recess 40 extends entirely through the thickness D of the disc 6, 9, 10 through.
  • both of them merge.
  • the axis of rotation 13 is arranged.
  • a pivot pin 16 with axis of rotation 13 is molded onto the tab 7 in the rear region thereof and has a configuration corresponding to the recess 14. So he owns one of the Bottom of the tab 7 in the direction of the top wall 3 facing cylinder with a smaller one Diameter and further down, attached to this, a cylindrical part with something larger diameter, which lies on the shoulder 15 of the recess 14 and thereby is secured against falling out upwards.
  • a knife 18 with a pointed lower edge 19 is attached to the underside thereof. Except if that Knife 18 is arranged in the bag-like recess 12 or over the web-like Bridges 11 is located, the knife 18 projects into the slot 8 of the disc 6 down in Direction to the top wall 3 or after pressing down through it, as in the Cross-sectional view of Figure 2 is shown.
  • the length I of the knife 18 is greater than the thickness D of the disc 6, as can clearly be seen from FIGS. 2 and 3. It is understood that the Distance A of the knife 18 from the axis of rotation 13 on the tab accordingly equal to that Radius of the part-circular slot 8 in the disc 6 is.
  • the length L of the tab 7 from its front end 17 to the axis 13 of the pivot pin 16 recognizes is particularly good from FIG. 2.
  • This length L is 2 cm larger than the distance D5 of the Distance of the pouring edge 5 from the same axis 13 of the pivot pin 16. This is how is shown in Figure 2, an advantageous projection of the tab 7 over the front wall 2 of the Pack and good handling of the opening device ensures, as now described becomes.
  • the user grips the tab 7 at the front end 17 in the position of FIG. 1 the tab 7 in its nine o'clock position is bent up a little by the end 17, which means that Knife 18 is lifted out of the bag-like recess 12. Then the user turns the tab 7, for example in the clockwise direction according to the curved arrow 22, which Front end 17 of the tab 7 is still held bent up so that the lower Cutting edge 19 of the knife 18 slides over the web-like bridging 11. Behind it begins at point 23 of the circular slot 8. Here the user leaves the front end 17 of the Tab 7 loose, whereby the knife 18 with its front blade 19 through the slot 8 strikes down on the top wall and cuts through it.
  • the User by pushing down on the front end 17 of the tab 7 towards the Support the piercing process towards the top wall.
  • the front blade now begins at point 23 the knife 18 engages with the paper of the top wall 3 when the tab 7 around the Rotation axis 13 around in the direction of the curved arrow 22 (clockwise direction) almost 360 °, e.g. 280 °, is rotated.
  • the knife 18 follows the slot 8 and cuts the top wall on exactly this part circle.
  • the user turns the tab 7 from the eight o'clock position back to the three o'clock position, as in the cross section in figure 2 is shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Cartons (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Sampling And Sample Adjustment (AREA)

Claims (6)

  1. Système d'ouverture d'un emballage, au niveau de la surface supérieure (3) duquel sont prévus des dispositifs (6, 7, 18) d'ouverture et de refermeture, caractérisé en ce qu'un disque (6), en un matériau plastique, est appliqué par thermoscellage sur la paroi supérieure (3), disque qui, en son centre (axe de rotation (13)) comporte un évidement (14), destiné à recevoir un pivot (12), et, à une certaine distance (A) autour de cet evidement (14), une fente continue (8), s'étendant en forme de cercle sur près de 360°, fente qui, sur un côté opposé au bec verseur (5), est interrompue par au moins un pont (11), sur lequel un couteau (10) est maintenu en position de repos ; qu'une languette (7) est disposée contre la face supérieure du disque (6) de façon à pouvoir tourner autour de l'axe (13) du pivot (16), et peut être déformé par rapport à cet axe (13) ; et que le couteau (18), qui en position d'utilisation dépasse à l'intérieur de la fente (8), est fixé à sa partie intérieure a la languette (7), et, pour assurer le percement de la paroi supérieure (3), est configuré de façon à être plus long (longueur l) que l'épaisseur (D) du disque (6).
  2. Système selon la revendication 1, caractérisé en ce que deux ponts (11) en forme de traverse sont prévus, qui sont disposés à une distance (a) l'un de l'autre, et entre lesquels un renfoncement borgne (12), ouvert vers le haut, est aménagé dans le disque (6).
  3. Système selon la revendication 1 ou 2, caractérisé en ce que l'évidement central (14) destiné au pivot (16) s'élargit vers la paroi supérieure (3) de l'emballage et a de préférence une configuration selon laquelle il traverse complètement l'épaisseur (D) du disque (6, 9, 10).
  4. Système selon l'une des revendications 1 à 3, caractérisé en ce qu'un bec auxiliaire (20) est rapporté à la périphérie du disque (6), à l'exception du bec verseur (5) (Figure 4).
  5. Système selon la revendication 4, caractérisé en ce que la distance (d) entre les deux extrémités (21) du bec auxiliaire (20) est un peu plus grande que la largeur (B) de la languette (7) (Figure 4).
  6. Système selon l'une des revendications 1 à 5, caractérisé en ce que la languette (7) a une configuration plane et oblongue, de telle sorte que sa longueur (L) entre l'axe (13) du pivot (16) qui de préférence en est solidaire, et son extrémité avant (17) est de 1-3 cm et de préférence de 2 cm supérieure a la distance (D5) entre l'axe (13) du pivot (16) et le bec verseur (15).
EP95909699A 1994-03-24 1995-02-10 Systeme d'ouverture pour emballage contenant un liquide Expired - Lifetime EP0751897B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4410205 1994-03-24
DE4410205A DE4410205A1 (de) 1994-03-24 1994-03-24 Öffnungsvorrichtung für eine Fließmittelpackung
PCT/EP1995/000475 WO1995025671A1 (fr) 1994-03-24 1995-02-10 Systeme d'ouverture pour emballage contenant un liquide

Publications (2)

Publication Number Publication Date
EP0751897A1 EP0751897A1 (fr) 1997-01-08
EP0751897B1 true EP0751897B1 (fr) 1998-10-14

Family

ID=6513732

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95909699A Expired - Lifetime EP0751897B1 (fr) 1994-03-24 1995-02-10 Systeme d'ouverture pour emballage contenant un liquide

Country Status (6)

Country Link
US (1) US5755359A (fr)
EP (1) EP0751897B1 (fr)
JP (1) JPH10502317A (fr)
AT (1) ATE172164T1 (fr)
DE (2) DE4410205A1 (fr)
WO (1) WO1995025671A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6279769B1 (en) * 1996-04-30 2001-08-28 Tetra Laval Holdings & Finance S.A. Device for forming a mouth in a container
WO2000005147A1 (fr) 1998-07-24 2000-02-03 Hekuma Herbst Maschinenbau Gmbh Element verseur en plastique refermable pour recipient prevu pour liquides
DE19833349A1 (de) * 1998-07-24 2000-01-27 Richard Herbst Wiederverschließbares, aus Kunststoff bestehendes Ausgießelement für Flüssigkeitsbehälter
WO2003047981A2 (fr) * 2001-12-06 2003-06-12 Gabriel Cabelli Recipients de distribution de fluide portatifs
US8146780B2 (en) * 2008-12-16 2012-04-03 Cryovac, Inc. Interlocking dispensing system for dispensing a pumpable products

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US848456A (en) * 1906-06-07 1907-03-26 Frederick Garrecht Can-opener.
US999957A (en) * 1910-11-23 1911-08-08 Ella Carman Can and opener therefor.
US1843806A (en) * 1929-10-09 1932-02-02 John R Compton Can opener
US1872585A (en) * 1931-08-03 1932-08-16 Jan P Clary Can
US2337687A (en) * 1942-01-12 1943-12-28 Arthur H Parker Container
CH262236A (fr) * 1945-11-13 1949-06-30 Longchamp Louis Casimir Boîte métallique à fermeture étanche.
US3463347A (en) * 1968-04-24 1969-08-26 Charles Joseph Kerr Closure and opener for cans
US4483464A (en) * 1980-10-16 1984-11-20 Toppan Printing Co., Ltd. Container with a pouring spout
DE3583149D1 (de) * 1984-10-02 1991-07-11 Vallos Halter fuer behaelter aus karton.
AU5083085A (en) * 1984-12-05 1986-06-12 Hendrik Davel Pouring spout
US4634013A (en) * 1985-06-06 1987-01-06 Bar Kokhba Abraham Closing and opening device for membrane-sealed bottles
US4717039A (en) * 1986-11-03 1988-01-05 Luay Ayyoubi Container reclosing device
JPH0439140Y2 (fr) * 1987-03-04 1992-09-14
EP0328652B1 (fr) * 1987-06-30 1992-08-26 Toppan Printing Co., Ltd. Bec pour recipients de liquide
JPH0547061Y2 (fr) * 1987-09-24 1993-12-10
DE3832412C2 (de) * 1987-09-24 2002-10-02 Dainippon Printing Co Ltd Flüssigkeitsdichter Pappbehälter mit einer Flüssigkeitsausgießvorrichtung
JPH07115712B2 (ja) * 1987-11-24 1995-12-13 吉昌 田原 容器の起立回転式の開き蓋
DE3808303A1 (de) * 1988-03-12 1989-09-21 Pkl Verpackungssysteme Gmbh Quaderfoermige flachgiebelpackung und verfahren zu deren herstellung
DE3901517A1 (de) * 1989-01-19 1990-08-02 Schmalbach Lubeca Leicht zu oeffnende verpackung fuer giessbare fuellgueter
US4915290A (en) * 1989-02-27 1990-04-10 Combibloc, Inc. Package closure
US5101999A (en) * 1990-07-10 1992-04-07 Combibloc, Inc. Package closure and package preparation
SE469025B (sv) * 1991-09-04 1993-05-03 Tetra Alfa Holdings Oeppningsanordning foer en foerpackningsbehaallare

Also Published As

Publication number Publication date
EP0751897A1 (fr) 1997-01-08
WO1995025671A1 (fr) 1995-09-28
DE59503931D1 (de) 1998-11-19
US5755359A (en) 1998-05-26
ATE172164T1 (de) 1998-10-15
DE4410205A1 (de) 1995-09-28
JPH10502317A (ja) 1998-03-03

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