EP0296100B1 - Kunststoffverschluss für Behälter mit einem folien- oder membranversiegelten Behälterhals - Google Patents

Kunststoffverschluss für Behälter mit einem folien- oder membranversiegelten Behälterhals Download PDF

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Publication number
EP0296100B1
EP0296100B1 EP88810343A EP88810343A EP0296100B1 EP 0296100 B1 EP0296100 B1 EP 0296100B1 EP 88810343 A EP88810343 A EP 88810343A EP 88810343 A EP88810343 A EP 88810343A EP 0296100 B1 EP0296100 B1 EP 0296100B1
Authority
EP
European Patent Office
Prior art keywords
protuberance
wall
plastic closure
closure according
pouring 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.)
Expired - Lifetime
Application number
EP88810343A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0296100A2 (de
EP0296100A3 (en
Inventor
Werner F. 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 AT88810343T priority Critical patent/ATE88154T1/de
Publication of EP0296100A2 publication Critical patent/EP0296100A2/de
Publication of EP0296100A3 publication Critical patent/EP0296100A3/de
Application granted granted Critical
Publication of EP0296100B1 publication Critical patent/EP0296100B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D51/221—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 left inside the container after the opening
    • B65D51/222—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 left inside the container after the opening the piercing or cutting means being integral with, or fixedly attached to, the outer closure
    • B65D51/224—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 left inside the container after the opening the piercing or cutting means being integral with, or fixedly attached to, the outer closure the outer closure comprising flexible parts
    • 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
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0809—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions
    • B65D47/0814—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions by at least three hinge sections, at least one having a length different from the others
    • 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
    • B65D2251/0015—Upper closure of the 41-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
    • B65D2251/00—Details relating to container closures
    • B65D2251/10—Details of hinged closures
    • B65D2251/1016—Means for locking the closure in closed position
    • B65D2251/105—The closure having a part fitting over the rim of the container or spout and retained by snapping over integral beads or projections

Definitions

  • the present invention relates to a plastic closure for containers with a film or membrane sealed container neck, which comprises a lower part with a pouring opening and a piercing means, as well as a cap or a lid with a seal covering the pouring opening in the lower part.
  • Closures of the type mentioned above are known, for example, from US-A-4 456 150 and EP-A-0 210 138. These closures have securing means which hold the lower part or the cap or the lid in an upper guarantee position with respect to the upper edge of the container neck and can only be brought into a lower position of use after removal of the securing means, the relative movement towards the container neck , cut the same part of this with appropriate, provided means through the membrane closing the container neck or the foil or pierce.
  • a one-piece plastic closure of the type described above has also become known from EP-A-268 538 (prior art under Article 54 (3) EPC). Although such closures have proven themselves in practice purely technically, an unexpected problem has emerged. While the majority of end users correctly remove a guarantee band, experience has shown that this does not apply to the second step of opening the closure. To pierce the film or membrane, the closure must now be brought into the lower position, which is towards the neck of the container. This corresponds to a closing movement for the end user. However, since he wants to open the container, he does not perform the functionally correct but illogical movement, but tries to open the closure completely by means of a corresponding rotary movement or by pulling.
  • a second, purely technical problem of such closures with an upper guarantee position and a lower use position is that the film or membrane which seals the container neck is not supported by the closure in the guarantee position. This seriously questions the guarantee of such a seal.
  • the pressure under the membrane or film can vary under different conditions. If the closure does not lie on the film or membrane located on the container neck, then the film or membrane cannot be welded onto the container neck, or can only be deficiently, through the closure by means of induction welding. Leakage is then inevitable, even if there is only a slight increase in pressure under the membrane.
  • the plastic closure is to indicate that the film is pierced by the elevation remaining in the depressed low position, this can be achieved by the elevation being in the form of a truncated cone, the inclined wall of which overall has a smaller thickness than the flat wall while the wall forming the top surface has approximately the wall thickness of the flat wall.
  • the lower part 1 is connected in one piece to the cap 2 by means of two film hinges 3, which is arranged laterally with a tensioning strap 5 aligned with the vertical jacket wall 4.
  • the circumferential vertical jacket wall 4 of the lower part 1 and the cap 2 is corrugated on the side opposite the hinge 3 to increase the grip.
  • the jacket wall of the lower part 1 has on the inside an annular bead 6 for attachment to the container neck H.
  • the top surface of the lower part 1 is formed by a flat wall 7. From this a spout-shaped pouring opening 8 with a terminal sealing bead 9 rises. In the closed state of the closure, the sealing bead 9 is surrounded by the seal 10 on the underside of the cap.
  • the seal 10 is formed by an annular wall which is aligned precisely with the pouring opening 8.
  • the positive connection between the annular bead 9 and the annular wall of the seal 10 also holds the lower part and the cap in the closed position. This does not take place, for example, via the hook 11 projecting radially outwards on the front side of the cap.
  • This hook 11 is used only for engagement with a counter hook 12 on a guarantee band 13, which is connected to the lower part 1 via bridges 14.
  • a push-button-like elevation 16 is formed in the flat wall 7 of the lower part 1.
  • a means 17 for piercing the film F is attached to the underside of the push button-like elevation 16.
  • Two embodiments of the push button-like elevation 16 are again shown on a larger scale in section in FIGS. 3 and 4.
  • the two variants differ not only in their outer shape, but also in their mode of action.
  • the embodiment according to FIG. 3 has two stable end positions of the push button-like elevation, while the variant according to FIG. 4 has only one stable end position.
  • the end position is drawn before the film or membrane F is pierced and the end position is shown in broken lines after the piercing.
  • the button-like elevation here has the shape of a truncated cone.
  • the thickness of the entire inclined wall 18 is made considerably thinner than the flat wall 7 of the top surface of the lower part 1, while the upper wall 19 of the truncated cone again approximately approximately the wall thickness corresponds to the flat wall 7.
  • a slight thickening 20 of the inclined wall 8 prevents the elevation from being pressed below the level of the flat wall 7.
  • the piercing means 17 can have various shapes. Best results have been achieved with the illustrated embodiment. Here it is a cylindrical wall that is cut at an angle to the axis of rotation. The tip 21 is closer to the pouring opening 8. The film F is cut open by the tip 21 and tears further away from the pouring opening. The torn part F 'of the film F then rolls up along the inclined cut surface 22 and forms a film flap F' which is rolled up and retained by the shorter side of the cylindrical wall.
  • the container content now flows, as indicated by the arrows, between the film F and the flat wall 7 of the lower part 1 to the pouring spout 8.
  • the container content penetrating between the film F and the wall 7 generates a pressure which causes the film to tear further.
  • the variant outlined in FIG. 5 shows a push button-like elevation 16 which has the shape of a dome or spherical cap.
  • the piercing means 17 here has the shape of two perpendicularly intersecting walls 24 which in turn end in a tip 21.
  • the film F which seals the neck of the container, is thus pierced in a cross shape.
  • the push button-like elevation automatically returns to its original position.
  • the variant according to FIG. 3 is also suitable for small closures, where space can be created in the lower part by the eccentric arrangement of the pouring opening 8.
  • the film lies very close under the flat wall 7 covering it and can be supported on it if it is slightly cambered under pressure.
  • the solution shown is also inexpensive.
  • the solution according to FIGS. 1-3 also has the advantage that the user can immediately see whether the content is still intact, that is, the film has not yet been pierced.
  • closures are particularly suitable for containers which are filled with liquid, slightly oxidizing content. Because the user has no view of the film, a cheaper quality can be used.
  • FIGS. 5 and 6 A second variant of the closure according to the invention is shown in FIGS. 5 and 6. This version is particularly suitable for relatively viscous or pasty fluids.
  • the figures show a diametrical section through the lower part of the closure.
  • the cover which is unchanged from the previously described embodiment, has been omitted from the drawing.
  • the lower part in turn has the vertical jacket wall 4 already described, which is closed by a flat covering wall 7. From this, in turn, the eccentrically arranged, spout-shaped pouring opening 8 rises.
  • the elevation 106 in the flat wall 7 now has the shape of a ramp 106 which can be pivoted on one side.
  • the pivot axis is formed by a film hinge 107 which runs near the pouring opening 8.
  • a pressure surface 108 extends from the film hinge 107 inclined upwards to the edge 109.
  • the wall thickness of the pressure surface 108 is relatively thick and therefore also rigid.
  • the circumferential wall 110 which runs from the edge 109 down to the top wall 7, is thin-walled and therefore flexible.
  • the shape of the ramp is designed semicircular, as can be clearly seen in Figure 7. The shape is not only aesthetically determined, but also leads to an even distribution of the deformation of the flexible wall 110 during the pivoting movement.
  • At least two, in the example shown three parallel ribs 111 are molded onto the underside of the pressure surface 108. These ribs 111 lead to an additional stiffening of the pressure surface 108. They run perpendicular to the film hinge 107 up to the edge 109. In the starting position shown in FIG. 5, the ribs 111 protrude approximately to the underside of the flat wall 7. The film or membrane of the sealed bottle neck thus does not touch the ribs 111 in the starting position. At the ends, approximately vertically below the edge 109, claws 112 are present on the ribs 111. The claws perforate the film or membrane underneath them as soon as pressure surface 108 is pressed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
EP88810343A 1987-06-16 1988-05-27 Kunststoffverschluss für Behälter mit einem folien- oder membranversiegelten Behälterhals Expired - Lifetime EP0296100B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88810343T ATE88154T1 (de) 1987-06-16 1988-05-27 Kunststoffverschluss fuer behaelter mit einem folien- oder membranversiegelten behaelterhals.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2284/87 1987-06-16
CH2284/87A CH672626A5 (enrdf_load_stackoverflow) 1987-06-16 1987-06-16

Publications (3)

Publication Number Publication Date
EP0296100A2 EP0296100A2 (de) 1988-12-21
EP0296100A3 EP0296100A3 (en) 1990-06-13
EP0296100B1 true EP0296100B1 (de) 1993-04-14

Family

ID=4230171

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88810343A Expired - Lifetime EP0296100B1 (de) 1987-06-16 1988-05-27 Kunststoffverschluss für Behälter mit einem folien- oder membranversiegelten Behälterhals

Country Status (12)

Country Link
US (1) US4869399A (enrdf_load_stackoverflow)
EP (1) EP0296100B1 (enrdf_load_stackoverflow)
JP (1) JP2664728B2 (enrdf_load_stackoverflow)
AT (1) ATE88154T1 (enrdf_load_stackoverflow)
AU (1) AU614969B2 (enrdf_load_stackoverflow)
CA (1) CA1315741C (enrdf_load_stackoverflow)
CH (1) CH672626A5 (enrdf_load_stackoverflow)
DE (1) DE3880210D1 (enrdf_load_stackoverflow)
DK (1) DK170767B1 (enrdf_load_stackoverflow)
ES (1) ES2040376T3 (enrdf_load_stackoverflow)
IL (1) IL86641A (enrdf_load_stackoverflow)
ZA (1) ZA884106B (enrdf_load_stackoverflow)

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KR20250035024A (ko) 2018-12-21 2025-03-11 에이치.제이.헤인즈 컴퍼니 브랜즈 엘엘씨 용기, 클로져, 및 제조방법
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US11292642B2 (en) 2018-12-21 2022-04-05 H. J. Heinz Company Brands Llc Container, closure, and methods for manufacture
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CN113120417A (zh) * 2020-01-11 2021-07-16 中山市意创科技研发有限公司 一种多功能盖组件

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8070014B2 (en) 2007-08-24 2011-12-06 Seaquist Closures L.L.C. Liner piercing twist closure

Also Published As

Publication number Publication date
IL86641A0 (en) 1988-11-30
ES2040376T3 (es) 1993-10-16
AU614969B2 (en) 1991-09-19
JP2664728B2 (ja) 1997-10-22
EP0296100A2 (de) 1988-12-21
DK296188D0 (da) 1988-05-31
CA1315741C (en) 1993-04-06
JPS6423960A (en) 1989-01-26
AU1762788A (en) 1988-12-22
ATE88154T1 (de) 1993-04-15
DK296188A (da) 1988-12-17
US4869399A (en) 1989-09-26
IL86641A (en) 1991-11-21
EP0296100A3 (en) 1990-06-13
DK170767B1 (da) 1996-01-15
CH672626A5 (enrdf_load_stackoverflow) 1989-12-15
DE3880210D1 (de) 1993-05-19
ZA884106B (en) 1989-07-26

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