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US20220153484A1 - Stopper for a container - Google Patents

Stopper for a container Download PDF

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Publication number
US20220153484A1
US20220153484A1 US17/522,032 US202117522032A US2022153484A1 US 20220153484 A1 US20220153484 A1 US 20220153484A1 US 202117522032 A US202117522032 A US 202117522032A US 2022153484 A1 US2022153484 A1 US 2022153484A1
Authority
US
United States
Prior art keywords
stopper
wall
olive
container
annular
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.)
Abandoned
Application number
US17/522,032
Other languages
English (en)
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
Assigned to GAPLAST GMBH reassignment GAPLAST GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KNEER, STEPHAN, KNEER, ROLAND
Publication of US20220153484A1 publication Critical patent/US20220153484A1/en
Abandoned legal-status Critical Current

Links

Images

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 engaging around the neck of the container, integrally formed on whose lower edge there is a peripheral security ring, which may be torn off, for tamper-evident security of the contents of the container with inwardly directed locking formations, which in the fastened position of the stopper engage beneath an outwardly directed annular projection on the container, and with an olive provided with an outer, peripheral annular bead for gripping engagement in the container opening.
  • stoppers are known and have proved to be satisfactory in many cases for tightly sealing the contents of the container with the aid of the olive, wherein the tamper-evident ring ensures that the contents of the container cannot be tampered with in an unauthorised manner.
  • a user wishes to remove the stopper from the container for the first time, he firstly tears the tamper-evident ring away from the lower edge of the peripheral wall engaging around the container, whereafter he can lever the stopper away from the neck of the container.
  • the stopper is a mass produced item, its manufacturing costs should be as low as possible, whereby the amount of the plastic material which is used is an important cost factor.
  • the stopper is also to be manufacturable with less plastic material.
  • the invention provides that formed in the circular lid of the stopper there is a circular, concentric recessed channel, which has a radially outer annular wall and a radially inner annular wall, which are connected together by a base wall.
  • the outer annular wall and the radially inner annular wall preferably extend parallel to one another and at right angles to the central, circular lid region and the outer, annular lid region, on which they are integrally formed.
  • the recessed channel thus has preferably a U-shape in cross-section.
  • the invention further provides that the radially outer annular wall defines the olive, which has the peripheral annular bead on its outer side, which causes the gripping engagement in the neck of the container.
  • the annular olive is connected at its lower end to the base wall of the recessed channel, which braces the olive against the action of the lateral forces when it is grippingly engaged in the container neck, the olive can be of shorter construction in comparison to the conventional stoppers, whereby the amount of the plastic material used for the stopper can be reduced. Furthermore, the wall thickness of the olive which is thus braced can also be reduced.
  • the recessed channel additionally facilitates the levering away of the stopper from the container neck in that when sliding back the stopper from the container throat the recessed channel can be compressed a little, whereby the removal of the stopper from the container neck is facilitated.
  • the invention additionally provides that directly above the locking formations openings are formed which pass through the security ring and which extend on both sides beyond the locking formations.
  • These openings are produced by lateral sliders in the injection moulding tool, which, together with an inner contoured sleeve, form the locking formations, as is described in connection with a conventional stopper with a closed lid in DE 42 36 741 C1. It is ensured by these lateral openings that no foreign materials can get into the vicinity of the container opening from the exterior, as would be the case if the locking formations were formed by plunger cores, which were guided through openings in the lid portion. Due to these openings in the outer, annular lid region, the levering away of the stopper would otherwise be made more difficult since the outer, annular lid region would not have the necessary stiffness.
  • the stopper conveniently includes a spiral retainer, the elastic spiral webs of which, which end in a cover ring, can be integrally formed on the recessed channel.
  • the recessed channel is integrally formed on the central, circular lid region and the outer, annular lid region, wherein the lower end region of the radially outer annular wall defining the olive can be linearly bevelled in order to facilitate its demoulding during manufacture of the stopper.
  • This bevel serves at the same also as an insertion aid when automatically plugging the closure onto the tube. The levering away of the stopper is also facilitated thereby.
  • the upper side of the circular lid region and/or of the annular lid region is provided with upwardly projecting ribs.
  • the olive ring has a ribbed wall surface on its inner side, which is defined by a plurality of grooves in the wall of the olive extending 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, whereby the suitable value depends on the plastic material that is used and the geometry of the ribbing.
  • the webs of the ribbing preferably have a domed cross-sectional shape.
  • peripheral wall of the stopper and the security ring are connected together at positions situated between the locking formations with short webs, which can be easily torn away.
  • FIG. 1 is a perspective view of a partly cutaway embodiment of the invention
  • FIG. 2 shows another embodiment of the invention, reinforced by webs
  • FIG. 3 shows a comparison of a conventional stopper in the left-hand side of the figure, and a stopper in accordance with the invention in the right-hand half of the figure and;
  • FIG. 4 is a perspective view of the stopper in accordance with the invention shown in FIG. 3 .
  • FIG. 1 shows an embodiment of the stopper in accordance with the invention, formed in the circular lid of which there is a concentric recessed channel 1 , which includes a radially outer annular wall 2 , a base wall 3 and an inner annular wall 4 .
  • the recessed channel 1 has a U-shape in cross-section and is integrally formed on a central, circular lid region 5 and an outer, annular lid region 6 .
  • the radially inner annular wall 4 is extended beyond the base wall 3 and defines together with the annular wall 4 the peripheral wall 7 of a desiccant chamber.
  • a peripheral wall 8 Connected to the annular lid region 6 there is a peripheral wall 8 , which is bent away at right angles and integrally formed on whose lower edge there is a security ring 9 , which may be torn away, for tamper-evident security of the contents of the container, which is connected with inwardly directed locking formations 10 . Situated above the locking formations 10 there are openings 11 which pass through the security ring 9 .
  • the radially outer annular wall 2 of the recess channel 1 is constructed as an olive in that it is provided with an outer, circumferential annular bead 12 for gripping engagement in the opening of a container, which is not shown.
  • the lower end region 13 of the olive extends linearly obliquely inwardly.
  • a spiral retainer 14 is formed integrally with its elastic spiral-shaped webs 15 on the base wall 3 of the recess channel 1 .
  • FIG. 2 shows a stopper which is identical except webs 7 , 8 extending in the radial direction are formed on the upper side of the central lid region 5 and on the upper side of the annular lid region 6 , which increase the stiffness of the two lid regions.
  • the protruding webs 7 and 8 are in each case uniformly spaced from one another and distributed over the entire periphery of the lid region 5 , 6 .
  • FIG. 3 shows a combination of a conventional stopper 16 in the left-hand half of the figure and the stopper 17 in accordance with the invention in the right-hand half of the figure.
  • the olive 2 is considerably shorter in the stopper 17 in accordance with the invention than the olive 18 of the conventional stopper 16 , which is possible due to the fact that the olive 2 is held and braced by the base wall 3 .
  • the olive 2 develops the same pressure as the longer olive 18 , whereby additionally the levering away from a container is considerably facilitated due to the shorter dimension.
  • the oblique surface 13 at the lower end of the olive 2 also contributes to this.
  • Formed on the upper side of the annular lid region 6 is an annular rib 19 .
  • Ribbing can be formed on the radially inner surface of the olive 2 .
  • This ribbing which consists of grooves situated closely together and projections between them of rounded cross-section, facilitates the levering away of the stopper in accordance with the invention, whereby at the same time the pressure of the olive necessary for the sealing of the contents of the container is maintained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
US17/522,032 2020-11-13 2021-11-09 Stopper for a container Abandoned US20220153484A1 (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
US20220153484A1 true US20220153484A1 (en) 2022-05-19

Family

ID=78087203

Family Applications (1)

Application Number Title Priority Date Filing Date
US17/522,032 Abandoned US20220153484A1 (en) 2020-11-13 2021-11-09 Stopper for a container

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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Publication number Priority date Publication date Assignee Title
US1357831A (en) * 1920-06-11 1920-11-02 Ewald G Baum Bottle-cap
US1615157A (en) * 1923-02-05 1927-01-18 Seal Kap Company Milk-bottle cap
US2279263A (en) * 1939-08-04 1942-04-07 American Seal Kap Corp Bottle cap
US2286865A (en) * 1939-08-05 1942-06-16 American Scal Kap Corp Of Dela Die for forming bottle caps
US2286070A (en) * 1940-08-01 1942-06-09 American Seal Kap Corp Bottle cap
US3116846A (en) * 1959-12-10 1964-01-07 Pasinvest Ets Bottle closure
US3216148A (en) * 1963-09-17 1965-11-09 Lily Tulip Cup Corp Receptacle and closure lid therefor
US3441161A (en) * 1967-03-09 1969-04-29 Paul S Van Baarn Bottle cap
US3422978A (en) * 1967-07-07 1969-01-21 Whitney Blake Co Self-locking bottle cap
US3653529A (en) * 1969-10-21 1972-04-04 Segmueller Ag Rinsable bottle cap seal device
US3878961A (en) * 1973-12-28 1975-04-22 Illinois Tool Works Child resistant closures
US4034886A (en) * 1975-03-28 1977-07-12 United States Steel Corporation Plastic lids and pails
US4298132A (en) * 1980-03-24 1981-11-03 United States Steel Corporation Child-proof lid and pail arrangement
US4453647A (en) * 1983-01-26 1984-06-12 Neat Benjamin C Plastic container having threaded closure
US4899897A (en) * 1985-05-24 1990-02-13 Hoffmann-La Roche Inc. Tamper-proof container closure
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EP4001141A1 (fr) 2022-05-25
MX2021013952A (es) 2022-05-16
EP4001141B1 (fr) 2024-02-07
CN114476354A (zh) 2022-05-13
MA58540B1 (fr) 2024-04-30
BR102021022630A2 (pt) 2022-05-24
CA3138279C (fr) 2025-10-14
DE102020129998B3 (de) 2021-10-28
CA3138279A1 (fr) 2022-05-13
ES2975162T3 (es) 2024-07-03

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