EP0402310B1 - Fermeture à une ou plusieurs pièces pour récipients rigides ou souples - Google Patents

Fermeture à une ou plusieurs pièces pour récipients rigides ou souples Download PDF

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Publication number
EP0402310B1
EP0402310B1 EP90810368A EP90810368A EP0402310B1 EP 0402310 B1 EP0402310 B1 EP 0402310B1 EP 90810368 A EP90810368 A EP 90810368A EP 90810368 A EP90810368 A EP 90810368A EP 0402310 B1 EP0402310 B1 EP 0402310B1
Authority
EP
European Patent Office
Prior art keywords
closure
tear
foil
container
seal
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
EP90810368A
Other languages
German (de)
English (en)
Other versions
EP0402310A1 (fr
Inventor
Werner Fritz Dubach
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.)
Medisize Schweiz AG
Original Assignee
Createchnic AG
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 Createchnic AG filed Critical Createchnic AG
Priority to AT90810368T priority Critical patent/ATE101830T1/de
Publication of EP0402310A1 publication Critical patent/EP0402310A1/fr
Application granted granted Critical
Publication of EP0402310B1 publication Critical patent/EP0402310B1/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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
    • B65D51/228—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being removed from 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/36—Closures with frangible parts adapted to be pierced, torn, or removed, to provide discharge 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861—Spouts
    • B65D75/5872—Non-integral spouts
    • B65D75/5877—Non-integral spouts connected to a planar surface of the package wall
    • 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
    • B65D2251/0025—Upper closure 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

Definitions

  • the invention relates to a one-part or multi-part closure for solid or deformable containers according to the preamble of patent claim 1.
  • a generic closure has become known, for example, from AT-B-387 946.
  • containers with closures are known in the packaging industry, in which the contents are kept sealed. These can be bottles or canisters with a container neck that is sealed with a film or membrane, tubes with a sealed tube head or sealed bags in which the contents are sealed. Before the contents of such containers could be dispensed through the closure for the first time, the seal would have to be destroyed. In some cases, the closure had to be removed first, then the film was pierced and the closure put back on, in others the cap of the closure was only opened and the film underneath was pierced by the spout.
  • More recent embodiments show closures with piercing elements that are provided on the closure itself.
  • a closure with a piercing element is known, in which the closure is held in an upper guarantee position before being opened for the first time and can only be pressed in a lower position of use after removal of a guarantee band, while at the same time the Seal is destroyed.
  • EP-A-0 304 972 describes a plastic closure which has a separately suspended piercing element in the pouring opening.
  • closure having the features of patent claim 1.
  • the dependent claims 2-6 define closures which are particularly suitable for bottles, canisters, Tubes and the like are suitable, while claims 7 and 8 relate to designs for sacks or sack-like containers.
  • closures can be produced according to the principle according to the invention, both from metal and from plastic, and from combinations thereof.
  • the designer also essentially has a free hand when it comes to choosing the material for the seal.
  • the seal can be a metal or plastic film or membrane or be made of a laminate in the materials. Sealing from impregnated or coated paper is also an option.
  • the seal can either be attached directly to the container or inserted into the closure and connected to it before assembly.
  • the container wall itself is part of the seal.
  • the seal is preferably welded or glued to the closure or the container. In certain cases, however, a purely mechanical jamming of the film between the closure and the container may suffice. In the following description of the exemplary embodiments, the above-mentioned variants are dealt with only exceptionally.
  • the embodiment according to FIGS. 1-3 represents a plastic closure which is particularly suitable for mounting on bottles or canisters.
  • the one-piece injection-molded closure has a lower part 1, which is connected to a cap 2 via a film hinge 3.
  • the lower part 1 has a cover surface 4 which is offset downwards relative to its upper edge and is penetrated by a pouring spout 6.
  • An annular wall 7 projects vertically from the underside of the top surface 4. This has an internal thread 8 for connecting the closure to the container.
  • the underside the top surface 4 is also provided with a circumferential welding bead 5, which runs concentrically to the ring wall 7 within the same and is offset inward relative to the ring wall 7 by approximately the wall thickness of the container.
  • the cover surface 4, which extends outwards beyond said ring wall 7, is delimited by an apron-like outer wall 10, on the region of which is remote from the film hinge 3, via bridges 11, which serve as predetermined breaking points.
  • a guarantee band 9 is arranged.
  • the guarantee band 9 visually shows the consumer that the product is intact.
  • the closure is designed as a snap hinge closure, the snap function being effected by spring elements 12, in the example shown these are tensioning straps.
  • the cap 2 is closed off by a cover surface 20; on the inside of the cover surface 20 there is an annular wall 21 which is aligned with the nozzle 6 and which surrounds the pouring nozzle in the closed state.
  • a sealing bead 22 or 13 is provided for sealing both on the annular wall 21 and on the pouring spout 6.
  • a tear-open element 23 is molded onto the cover surface 20 vertically to the same.
  • the tear-open element is designed as a hollow pin in the embodiment shown. With smaller dimensions however, it can also be full. In principle, the designer is also free to design the cross-sectional shape of the tear-open element 23. It is only essential that there is a sufficiently large end face 24 on the tear element 23.
  • the end face 24 serves as a welding or gluing point for the operative connection with the film or membrane underneath in the closed state of the closure.
  • FIG. 3 the closure is shown in the assembled position on a container 30 before it is used for the first time.
  • the container 30 here has a container neck 31 with an external thread 33, which fits with the internal thread 8 of the ring wall 7.
  • the end face 32 of the container neck 31 lies against the cover surface 4 in the area between the ring wall 7 and the circumferential welding bead 5.
  • the seal 40 is a metal or plastic-metal laminate film. This is inserted into the closed closure and screwed together with the same onto the filled container 30. The closed container 30 is then passed through a high-frequency magnetic field.
  • the seal 40 heats up and welds itself to the end face 32 of the container 30 with the circumferential welding bead 5 of the lower part 1 and to the end face connecting surface 24 of the tear-open element 23.
  • the consumer Before opening for the first time, the consumer first tears away the guarantee band 9, destroying the bridges 11, before opening the cap 2 of the closure and thus moving the tear-open element 23, to which the seal 40 adheres, upwards and thus Seal destroyed.
  • at least one cutting member 14 is executed on the lower part for sealing, in the present case this is a ring of teeth, which is executed on the spout 6 for sealing below.
  • FIG. 2 shows the closure in the state after the first opening. The guarantee band 9 is then no longer available. Only a film residue 41 adheres to the tear-open element, which indicates to the consumer that the contents were sealed and that the contents have now been destroyed.
  • the container 30 has a container neck 31 which has a flat end face 32.
  • a lower part 50 is screwed onto the external thread 33 of the container neck 31 and comprises an annular wall 51 with an internal thread 52 encompassing the bottle neck 31.
  • the internal thread 52 of the lower part 50 fits exactly on the external thread 33 of the container neck 31.
  • the annular wall 51 is designed on the outside as a sliding wall seal 53 and has a sealing bead 54 at the upper end.
  • the lower part 50 tapers to the extent of the inner clear width of the container neck 31.
  • An internal planar, annular shoulder 56 lies exactly on the flat end face 32 of the container neck 31 in the assembled state of the closure.
  • a tubular guide and sealing wall 57 extends vertically above the annular, planar shoulder 56. The outside of this guide and sealing wall 57 is in turn designed as a common wall seal. From the inside of the guide wall 57 there extend three radially inwardly directed cutting ribs 59, which are arranged at regular intervals. The lower edges thereof are designed as cutting edges 59 ′′.
  • a sealing pin 58 is held centrally between the three cutting ribs 59. Between each two adjacent cutting ribs 59 there is also a displacement rib 59 ', which is also directed radially outwards.
  • the displacement ribs 59 'do not extend to the guide and sealing wall 57, but are shortened in the radial direction compared to the cutting ribs 59.
  • the sealing pin 58 is in the axial direction over the various Ribs 59 and 59 'extended up to a point.
  • An upper part 60 which is displaceable axially on the lower part 50, is sprinkled onto the lower part 50. From the outside you can see on the upper part 60 of the lower cylindrical jacket wall 61 and the subsequent conical cover surface 64, which opens into a pouring opening 65.
  • the tip of the sealing pin 58 fits sealingly into the pouring opening 65.
  • a sealing bead 62 is arranged on the inside at the lower edge of the cylindrical jacket wall 61. When assembling the closure, this lower sealing bead 62 must be blasted over the previously described sealing bead 54 on the lower part 50.
  • a cylindrical sealing wall 63 is molded onto the bottom of the conical cover surface 64, concentrically to the jacket wall 61, offset somewhat inwards.
  • the cylindrical sealing wall 63 has a terminal annular sealing bead 68 which bears against the tubular guide and sealing wall 57 of the lower part 50.
  • the tear-open element 66 is again molded onto the conical cover surface 64 in the form of a tube section. This axially extending tear-open element 66 is longer than the cylindrical sealing wall 63 lying further outside.
  • the tear-open element 66 In the closed state of the closure, the tear-open element 66 extends to the level of the upper edge 32 of the container neck 31.
  • the tear-open element 66 in the form of a tube section is provided with three guide slots 67, through which the cutting ribs 59 of the lower part protrude radially inwards.
  • the lower part 50 and upper part 60 are consequently non-rotatable, but are guided such that they can move with respect to one another in translation.
  • the upper part 60 is first blasted onto the lower part 50.
  • the seal 40 for example in the form of an aluminum foil, is placed in the lower part 50 and welded onto the flat annular shoulder 56.
  • the closure is then screwed onto the filled container 30.
  • the aluminum seal 40 heats up in the high-frequency induction field and connects to the plastic bottle 30 and to the lower end face of the tear-open element 66.
  • the closure is actuated for the first time, the upper part 60 is pushed upward.
  • the seal 40 tears in the area between the shoulder 56 and the tear-up element 66 moving upward.
  • the container 30 is a bag sealed by welding. This can for example be made from a polyethylene film.
  • the closure according to the invention again consists of a lower part 1 and a cap 2, which is connected to the lower part via a film hinge 3.
  • the lower part 1 in turn has an annular outer wall 10 which is closed off by a cover surface 4.
  • the top surface 4 is penetrated by a pouring spout 6.
  • At the lower edge of the outer wall 10 there is an outwardly directed flange 15.
  • the underside of the flange 15 is somewhat lower than the lower end of the pouring spout 6, which is designed end-to-end with a cutting member 14 in the form of a ring gear.
  • the tear-open element 23 is again molded onto the cap 2 within the annular wall 21 encompassing the pouring spout.
  • the Tear-open element 23 is long enough that in the closed state of the closure it extends at least approximately to the level of the underside of flange 15.
  • the closed closure can now be glued or welded directly onto the bag-shaped container 30. During welding, both the flange 15 and the tear-open element 23 connect to the film of the container 30. In this case, the part of the container lying below the closure also forms the seal at the same time.
  • FIG. 8 differs from the embodiment according to FIG. 7 in that the sack-shaped container 30 has a punched-out opening through which the lower part of the closure protrudes.
  • the film of the container 30 is now welded onto the top of the flange 15.
  • the film of the container 30 therefore no longer forms the seal. It is therefore necessary for an annular shoulder 16 to be provided on the bottom surface 4, onto which a seal 40 can be welded.
  • the closures according to FIGS. 7 and 8 are attached to the empty container 30 and not to the already filled container.
  • the sacks which are still open on one side and the closures which have already been welded on are filled first, whereupon the sacks are sealed, so that the contents in the containers 30 are sealed.
  • the closures according to FIGS. 7 and 8 can of course also be secured with guarantee straps.

Claims (9)

  1. Fermeture en un ou plusieurs éléments,destinée à un récipient solide ou déformable à contenu rempli de façon scellée, le scellement (40) se composant d'une feuille ou d'une membrane en métal ou en stratifié métallique, appliquée sur le col (31) du récipient, tandis que la fermeture comprend une partie inférieure (1;50), appliquée sur le col du récipient et pourvue d'une douille de décharge (6; 57) et d'une partie supérieure (2, 60) reliée à la partie inférieure, à pivotement ou à coulissement axial limité, caractérisée en ce que la partie supérieure comporte un élément d'ouverture par arrachement (23, 66) qui fait saillie à travers la douille de décharge et dont l'extrémité inférieure est soudée à la feuille ou à la membrane de scellement, et en ce qu'au moins un organe de coupe (14; 59) est monté sur la partie inférieure, au-dessus de la feuille ou de la membrane.
  2. Fermeture selon la revendication 1, caractérisée en ce que l'organe de coupe (14) est une couronne de dents aiguës, montées sur un prolongement inférieur de la douille de décharge (6) et dont les pointes sont orientées vers la membrane ou la feuille de scellement.
  3. Fermeture selon la revendication 1, caractérisée en ce qu'une tige d'étanchéité centrale (58) est disposée dans la douille de décharge (57) de l'élément inférieur (50) au moyen de nervures de maintien (59) à tracé radial, dont les extrémités inférieures orientées vers la membrane ou la feuille de scellement sont réalisées à la manière de couteaux tandis que l'élément d'ouverture par arrachement relié à la partie supérieure se compose de segments tubulaires (66), qui font saillie entre les nervures (59) et qui parviennent jusqu'à la membrane ou à la feuille de scellement et sont soudés à celle-ci.
  4. Fermeture selon la revendication 3, caractérisée en ce que d'autres nervures d'éléments de déplacement (59 ) sont disposées entre les nervures de maintien (59).
  5. Fermeture d'un seul tenant selon la revendication 2, dans laquelle la partie supérieure (2) est reliée à pivotement à la partie inférieure (1) au moyen d'une charnière en film, caractérisée en ce que le diamètre intérieur de la douille de déchargement (6) est supérieur au diamètre extérieur de l'organe d'ouverture par arrachement (3) et en ce que cet organe d'ouverture par arrachement à un tracé excentré par rapport à la douille de décharge, dans l'état fermé de la fermeture.
  6. Fermeture en deux éléments selon la revendication 3, caractérisée en ce que la partie supérieure (60) est reliée à la partie inférieure (50) à coulissement axial limité et comprend une ouverture centrale de décharge (65) qui peut être fermée par la tige d'étanchéité (58).
  7. Fermeture selon la revendication 2,destinée à un récipient réalisé sous forme de poche, caractérisée en ce que la partie inférieure (1) est pourvue d'une bride extérieure (15), est reliée de façon ferme et étanche à la paroi de la poche (30) disposée d'une manière telle que l'élément d'ouverture par arrachement (23) repose sur cette paroi et soit soudé à celle-ci, de sorte que la partie de paroi (40) enfermée par la partie inférieure (1) constitue l'élément d'étanchéité à arracher (Figure 7).
  8. Fermeture selon la revendication 2, destinée à un récipient en forme de poche, caractérisée en ce que la partie inférieure (1) est pourvue d'une bride extérieure reliée de façon ferme et étanche à la paroi de poche et qui représente le col du récipient fermé par une feuille appliquée dans la partie inférieure (1) ou par une feuille ou membrane (40) appliquée dans la partie inférieure (1), et en ce que l'organe d'ouverture par arrachement rejoint cette feuille ou membrane et est relié à celle-ci (Figure 8).
  9. Fermeture selon la revendication (1), caractérisée en ce qu'elle est pourvue d'une bande de garantie (9) qui doit d'abord être enlevée avant qu'il ne soit possible d'ouvrir et d'arracher l'élément de scellement (40).
EP90810368A 1989-06-09 1990-05-18 Fermeture à une ou plusieurs pièces pour récipients rigides ou souples Expired - Lifetime EP0402310B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90810368T ATE101830T1 (de) 1989-06-09 1990-05-18 Ein- oder mehrteiliger verschluss fuer feste oder deformierbare behaelter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2167/89A CH678843A5 (fr) 1989-06-09 1989-06-09
CH2167/89 1989-06-09

Publications (2)

Publication Number Publication Date
EP0402310A1 EP0402310A1 (fr) 1990-12-12
EP0402310B1 true EP0402310B1 (fr) 1994-02-23

Family

ID=4227456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90810368A Expired - Lifetime EP0402310B1 (fr) 1989-06-09 1990-05-18 Fermeture à une ou plusieurs pièces pour récipients rigides ou souples

Country Status (8)

Country Link
US (1) US5094361A (fr)
EP (1) EP0402310B1 (fr)
JP (1) JPH03226467A (fr)
AT (1) ATE101830T1 (fr)
AU (1) AU5685590A (fr)
CA (1) CA2018082A1 (fr)
CH (1) CH678843A5 (fr)
DE (1) DE59004657D1 (fr)

Cited By (1)

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CN101389544B (zh) * 2006-02-24 2010-06-16 巴普科封装研究有限公司 预贴箔封盖

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EP4368284A2 (fr) * 2018-12-21 2024-05-15 H.J. Heinz Company Brands LLC Récipient, fermeture et procédés de fabrication
USD889260S1 (en) 2018-12-21 2020-07-07 H.J. Heinz Company Brands Llc Closure for a container
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JPH03226467A (ja) 1991-10-07
US5094361A (en) 1992-03-10
CH678843A5 (fr) 1991-11-15
AU5685590A (en) 1990-12-13
DE59004657D1 (de) 1994-03-31
ATE101830T1 (de) 1994-03-15
EP0402310A1 (fr) 1990-12-12
CA2018082A1 (fr) 1990-12-09

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