EP4001141A1 - Bouchons pour un récipient - Google Patents

Bouchons pour un récipient Download PDF

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Publication number
EP4001141A1
EP4001141A1 EP21201975.6A EP21201975A EP4001141A1 EP 4001141 A1 EP4001141 A1 EP 4001141A1 EP 21201975 A EP21201975 A EP 21201975A EP 4001141 A1 EP4001141 A1 EP 4001141A1
Authority
EP
European Patent Office
Prior art keywords
olive
container
wall
stopper
plug according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP21201975.6A
Other languages
German (de)
English (en)
Other versions
EP4001141B1 (fr
Inventor
Roland Kneer
Stephan Kneer
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.)
Gaplast GmbH
Original Assignee
Gaplast GmbH
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 Gaplast GmbH filed Critical Gaplast GmbH
Publication of EP4001141A1 publication Critical patent/EP4001141A1/fr
Application granted granted Critical
Publication of EP4001141B1 publication Critical patent/EP4001141B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D41/58—Caps or cap-like covers combined with stoppers
    • 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
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/28—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials
    • B65D51/30—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials for desiccators
    • 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
    • B65D39/0005—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers made in one piece
    • B65D39/0023—Plastic cap-shaped hollow plugs
    • 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
    • B65D41/46—Snap-on caps or cap-like covers
    • B65D41/48—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics
    • B65D41/485—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics with integral internal sealing means
    • 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
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • 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
    • B65D50/00—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures
    • 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
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/26—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with means for keeping contents in position, e.g. resilient means
    • 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure

Definitions

  • the invention relates to a stopper for a container, with a lid with a peripheral wall surrounding the neck of the container, on the lower edge of which a circumferential tear-off safety ring is formed to protect the container contents from tampering with inward-pointing blocking lugs, which in the fastening position of the stopper have an outward-pointing Reach under the annular projection of the container, and with an olive provided with an external annular bead for clamping engagement in the container opening.
  • stoppers are known and have proved their worth many times over in order to seal the contents of the container tightly with the help of the olive, with the tamper-evident ring ensuring that the contents of the container cannot be tampered with without authorization.
  • a user wants to remove the stopper from the container for the first time, he or she first tears the tamper-evident ring off the lower edge of the peripheral wall surrounding the container, after which he can pry the stopper off the container neck.
  • the stopper Since the stopper is a mass-produced item, its production costs should be as low as possible, with the amount of plastic material used being an important cost factor.
  • the present invention is based on the object of specifying a stopper for a container which reliably seals the contents of the container and which can be removed more easily than is the case with the conventional stoppers, even when the olive is firmly seated in the container.
  • the stopper should be manufacturable with less plastic material.
  • the invention provides that in the circular cover of the stopper a circular, concentric indentation channel is formed, which has a radially outer annular wall and a radially inner annular wall which are connected to each other by a bottom wall.
  • the outer annular wall and the radially inner annular wall are preferably parallel to each other and perpendicular to the central circular cap portion and the outer annular cap portion to which they are molded.
  • the deepening channel thus preferably has a U-shape in cross section.
  • the invention further provides that the radially outer annular wall forms the olive, which has the peripheral annular bead on its outside, which causes the clamping engagement in the neck of the container.
  • the ring-shaped olive is connected at its lower end to the bottom wall of the indentation channel, which supports the olive against the action of the lateral forces when it is clamped into the container neck, the olive can be made shorter compared to conventional plugs, thereby reducing the amount of for The plastic material used in the stopper can be reduced. In addition, the wall thickness of the olive supported in this way can also be reduced.
  • the indented channel also makes it easier to pry the stopper off the container neck, in that the indented channel can be compressed a little when the stopper is pushed back from the container neck, which makes it easier to remove the stopper from the container neck.
  • the invention also provides that recesses which reach through the locking ring and extend beyond the blocking lugs on both sides are formed directly above the blocking lugs. These recesses are created by lateral slides of the injection molding tool, which together with an inner contour sleeve form the blocking lugs, as is the case with a conventional plug with a closed lid in FIG DE 42 36 741 C1 is described. These lateral cutouts ensure that no foreign matter can get close to the container opening from the outside, as would be the case if the blocking attachments were formed by plungers that would be guided through cutouts in the cover part. These recesses in the outer ring-shaped cover area would otherwise make it more difficult to pry off the plug, since the outer ring-shaped cover area would not have the required rigidity.
  • the plug expediently contains a spiral hold-down device, the elastic spiral webs of which, which end in a closing ring, can be formed on the deepening channel.
  • the indentation groove is formed on the central circular cap portion and the outer annular cap portion, and the lower end portion of the radially outer annular wall forming the olive may be tapered in a straight line to facilitate demoulding of the stopper during manufacture.
  • this slope also serves as an attachment aid when the closure on the tube is automatically plugged. This also makes it easier to pry off the plug.
  • the upper side of the ring-shaped cover area be provided with at least one circumferential rib projecting upwards.
  • the olive ring has a corrugated wall surface on its inside, which is formed by a large number of grooves in the wall of the olive running in the axial direction of the stopper.
  • the grooves can have a constant depth of about 10% to about 50% of the minimum wall thickness of the olive ring, with the appropriate value depending on the plastic material used and the geometry of the corrugation.
  • the webs of the corrugation preferably have a curved cross-sectional shape.
  • peripheral wall of the plug and the retaining ring are connected to each other at points lying between the blocking lugs with short webs which can be easily torn off.
  • FIG. 1 shows an embodiment of the stopper according to the invention, in the circular cover of which is formed a concentric deepening channel 1 containing a radially outer annular wall 2, a bottom wall 3 and an inner annular wall 4.
  • the depression channel 1 has a U-shape in cross section and is formed on a central circular cover portion 5 and an outer annular cover portion 6 .
  • the radially inner annular wall 4 is extended beyond the bottom wall 3 and together with the annular wall 4 forms the peripheral wall 7 of a desiccant chamber.
  • a circumferential wall 8 angled at right angles is connected to the annular lid area 6 , on the lower edge of which a tear-off securing ring 9 is formed to protect the contents of the container from being tampered with.
  • the radially outer annular wall 2 of the deepening channel 1 is designed as an olive in that it is provided with an annular bead 12 running around the outside for clamping engagement in the opening of a container (not shown).
  • the lower end portion 13 of the olive runs in a straight line obliquely inwards.
  • a spiral hold-down device 14 is formed with its elastic spiral webs 15 on the bottom wall 3 of the deepening channel 1 .
  • FIG. 12 shows an identical stopper with the exception that radially extending ribs 7, 8 are formed on the top of the central cap portion 5 and on the top of the annular cap portion 6, which increase the rigidity of the two cap portions.
  • the protruding webs 7 and 8 are each uniformly spaced apart over the entire circumference of the cover area 5, 6 is formed.
  • figure 3 shows a compilation of a conventional plug 16 in the left half of the figure and the plug 17 according to the invention in the right half of the figure. From this comparison it can be seen that in the stopper 17 according to the invention the olive 2 is considerably shorter than the olive 18 of the conventional stopper 16, which is possible because the olive 2 is held and supported by the bottom wall 3. As a result of this support, the olive 2 develops the same pressing force as the longer olive 18, which also makes it considerably easier to lever off a container because of the shorter dimensions.
  • the inclined surface 13 at the lower end of the olive 2 also contributes to this.
  • a corrugation can be formed on the radially inner surface of the olive 2 .
  • This corrugation which consists of closely spaced grooves and in between projections with a rounded cross-section, makes it easier to lever off the stopper according to the invention, while at the same time the contact pressure of the olive required for the tightness of the container contents is maintained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP21201975.6A 2020-11-13 2021-10-11 Bouchons pour un récipient Active EP4001141B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020129998.2A DE102020129998B3 (de) 2020-11-13 2020-11-13 Stopfen für einen Behälter

Publications (2)

Publication Number Publication Date
EP4001141A1 true EP4001141A1 (fr) 2022-05-25
EP4001141B1 EP4001141B1 (fr) 2024-02-07

Family

ID=78087203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21201975.6A Active EP4001141B1 (fr) 2020-11-13 2021-10-11 Bouchons pour un récipient

Country Status (9)

Country Link
US (1) US20220153484A1 (fr)
EP (1) EP4001141B1 (fr)
CN (1) CN114476354A (fr)
BR (1) BR102021022630A2 (fr)
CA (1) CA3138279C (fr)
DE (1) DE102020129998B3 (fr)
ES (1) ES2975162T3 (fr)
MA (1) MA58540B1 (fr)
MX (1) MX2021013952A (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH409667A (de) * 1961-10-25 1966-03-15 Pasinvest Ets Flaschenverschluss
FR1373668A (fr) * 1963-03-06 1964-10-02 Rical Soc Bouchon inviolable
GB1498447A (en) * 1976-08-04 1978-01-18 Johnsen Jorgensen Plastics Ltd Container and closure assemblies
US4723675A (en) * 1985-08-22 1988-02-09 Tuwa-Plastik Dr. Herbert Warnecke Kunststoffverarbeitung Container and cap with guarantee ring
DE4236741C1 (de) 1992-10-30 1994-01-13 Gaplast Gmbh Stopfen für einen Behälter und Verfahren zur Herstellung des Stopfens
EP0798228A1 (fr) * 1996-03-28 1997-10-01 Sarnatech Ammann S.A. Bouchon pour un récipient
WO2005014415A1 (fr) * 2003-08-07 2005-02-17 Pez International Ag Fermeture pour contenant
EP2444334A1 (fr) * 2010-09-28 2012-04-25 CEDC International sp. z.o.o. Bouchon de bouteille sécurisé
WO2015166994A1 (fr) * 2014-04-30 2015-11-05 株式会社吉野工業所 Capuchon

Also Published As

Publication number Publication date
CA3138279C (fr) 2025-10-14
MA58540B1 (fr) 2024-04-30
CN114476354A (zh) 2022-05-13
DE102020129998B3 (de) 2021-10-28
CA3138279A1 (fr) 2022-05-13
ES2975162T3 (es) 2024-07-03
EP4001141B1 (fr) 2024-02-07
MX2021013952A (es) 2022-05-16
US20220153484A1 (en) 2022-05-19
BR102021022630A2 (pt) 2022-05-24

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