WO2004094257A1 - Bouchon a visser du type « pression-rotation » - Google Patents

Bouchon a visser du type « pression-rotation » Download PDF

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Publication number
WO2004094257A1
WO2004094257A1 PCT/DK2004/000277 DK2004000277W WO2004094257A1 WO 2004094257 A1 WO2004094257 A1 WO 2004094257A1 DK 2004000277 W DK2004000277 W DK 2004000277W WO 2004094257 A1 WO2004094257 A1 WO 2004094257A1
Authority
WO
WIPO (PCT)
Prior art keywords
skirt
cap
barb
container
screw cap
Prior art date
Application number
PCT/DK2004/000277
Other languages
English (en)
Inventor
Niels Düring PEDERSEN
Original Assignee
Superfos Pharma Pack A/S (Dudek Plast A/S)
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 Superfos Pharma Pack A/S (Dudek Plast A/S) filed Critical Superfos Pharma Pack A/S (Dudek Plast A/S)
Publication of WO2004094257A1 publication Critical patent/WO2004094257A1/fr

Links

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
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3404—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element
    • B65D41/3409—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element the tamper element being integrally connected to the closure by means of bridges
    • 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
    • B65D50/02—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions
    • B65D50/04—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one
    • B65D50/045—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring
    • B65D50/046—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring and such deformation causes the disengagement of locking means, e.g. the release of a pawl-like element from a tooth or abutment, to allow removal of the closure by simultaneous rotation
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/20—Frangible elements completely enclosed in closure skirt

Definitions

  • the present invention concerns a child-resistant screw cap for a container, the cap hav- ing a skirt shaped as a body of revolution and an internal skirt with an internal screw thread for interacting with a screw thread on a radial wall of the neck of the container, where an inner side of the said skirt is designed with at least one barb, which can be brought to engage at least one barb provided at an outer side of the radial outermost wall on the neck of the container, the barbs being designed and disposed complemen- tarily so that they mutually engage in pairs when the container is closed with the purpose of preventing that the screw cap can be screwed off, the screw cap being equipped with two marked, diametrally opposed areas that are disposed in relation to the said barb so that the transverse measurement of the skirt opposite to the barb is increased so much that the engagement between the barbs and stops by pressure action on the areas so that the cap can be screwed off, the cap including a sealing means.
  • US patent 4,117,945 describes an example of such a child-resistant screw cap that may be screwed off a container after the skirt has been compressed or squeezed to an oval cross-section in such a way that the internal transverse measurement of the skirt is increased so much on the spot where the barbs of the skirt are placed so that the barbs on skirt and neck, respectively, go clear of each other when screwing off the cap.
  • the screw cap can be screwed on again and the respective barbs are passing each other without the skirt of the screw cap is to be pressed into an oval shape. Then the barbs can prevent again that the cap is turned in the opposite direction until the two oppositely directed areas of the skirt in the mentioned way are pressed against each other again in order to bring the barbs out of engagement.
  • the purpose of the present invention is to indicate a child-resistant screw cap which is to be manipulated in a particular way before it is screwed off a container.
  • sealing means consists of at least one wall element of the skirt, where the wall element is connected with the said skirt by means of a number of fracture indication lines or fracture indication parts connecting the edges of the wall element with the skirt.
  • the invention concerns a child-resistant screw cap of the "Squeeze and Turn" type for a container, where the screw cap may only be screwed off by applying a compressive force, whereby the screw cap is deformed wholly or partially so that projections and/or recesses on the screw cap and the container are released.
  • the sealing means indicates if a sealing has been broken.
  • the sealing has not been broken if the sealing means is still entirely intact and fastened to the skirt.
  • the sealing has been broken if the sealing means has been loosened from the skirt since the wall element breaks the fracture indication lines or the fracture indica- tion parts by pressure action and is thus loosely attached to the skirt. In both cases it clearly appears if the screw cap has been screwed off the container.
  • the screw cap is equipped with two marked diametrally opposed, preferably reinforced areas for receiving pressure or squeezing force.
  • the areas are disposed so that in relation to the barbs on the opposite side of the skirt of the cap, the transverse measurement of the skirt is increased on the spot where the barbs of the skirt are placed, so that these are brought out of engagement with the barb of the neck when the skirt is pressed to an oval shape by the two parties being pressed against each other, whereby the cap may be screwed off.
  • the child-resistant screw cap according to the invention is suitable in a preferred em- bodiment, as the wall element internally includes a barb which by pressure and squeezing and/or turning of the cap interacts with a barb which is disposed on the wall so that the wall element is loosened, and the wall element and the barb are disposed mutually so that the wall element is loosened before barb and barb are passing each other when the areas are subjected to pressure.
  • the child-resistant screw cap according to the invention may furthermore be suitable, as the container neck is provided with at least one projection ensuring that the wall element is loosened when the areas are subjected to pressure.
  • the child-resistant screw cap according to the invention may be suitable in a further embodiment, as the skirt is connected with a securing ring at its bottom edge along a fracture indication line or by fracture indication parts that are disposed mutually spaced apart, the securing ring being provided with at least one barb that interacts with at least one barb designed as a stop and disposed at the external side of the radially outermost wall on the neck.
  • the child-resistant screw cap according to the invention is furthermore suitable in a preferred embodiment, as the screw cap in the second skirt is provided with a third concentric skirt which is disposed and designed so that its external side bears sealingly against the inner side of the container neck in connection with the first stage of the screwing off of the screw cap.
  • the lid also can function as a plug for closing the container neck in connection with screwing the cap off and on.
  • This closure is more efficient than a closure where only the underside of the cap is instantaneously brought sealingly in contact with the upper edge of the neck at the end of the screwing on.
  • the visible sealing is typically hidden in the container as a film that simultaneously functions as sealing, implying that the container in case of breakage of the film is no longer tight.
  • the child-resistant screw cap according to the invention is suitable in a preferred embodiment as the barbs at the opposite sides of their respective contact surfaces which are located in mainly radial planes have inclined faces forming an acute angle with the adjacent contact surfaces.
  • the barbs are forced to slide past each other on their inclining surfaces, whereby their contact surfaces are faced against each other when the cap is screwed securely on the container. Then the barbs can prevent the container from be- ing opened unhindered without the two marked areas of the skirt being pressed against each other at first. The cap is thus made child-resistant again.
  • Fig. 1 A shows a container with a cap which is provided with a sealing means consisting of a four-edged wall element in the wall of the skirt;
  • Fig. IB shows the container without a cap but with a collar having a screw thread and a barb, the collar being pressed tightly against the container;
  • Fig. 1C shows the container cap where an opening in the skirt indicates that the sealing means has been broken;
  • Fig. 2A shows the container cap with a four-edged wall element serving as sealing means;
  • Fig. 2B shows the cap as seen from below
  • Fig. 2C shows the container neck with a radial innermost and radial outermost wall
  • Fig. 2D shows the neck as seen from below;
  • Figs. 3 A-C shows the container neck from above in a section just under the top plate of the cap: in Fig. 3 A before screwing off the cap, in Fig. 3B at the beginning of screwing off where the sealing wall part is loosened, and - in Fig. 3D at the last stage of the screwing off;
  • Fig. 4A shows the container cap with a securing ring fastened to its lower edge;
  • Fig. 4B shows the cap as seen from below;
  • Fig. 4C shows the container neck consisting of a collar that can be pressed securely onto the container;
  • Fig. 4D shows the collar from below;
  • Fig. 5 A shows the container cap with securing ring fastened to the lower edge of the cap by means of interspaced fracture indication parts;
  • Fig. 5B shows the cap from above when its top plate has been cut away;
  • Fig. 5C shows a section in the container with neck and screwed on cap along a radial plane.
  • the centre view shows the neck 4 of the container 22 having a radial innermost wall 3 and a radial outermost wall 5.
  • the external side of the radially innermost wall 3 carries a screw thread 23 that interacts with a screw thread 12 at the internal side of the second skirt 15 of the cap 6 (see Fig. 2).
  • a barb 1 formed therein which through interac- tion with a barb 14 on the inner side 13 (shown in Fig. 2) of the first skirt 10 prevents the cap 6 from being turned in the opening direction.
  • the container 22 is seen with cap 6 screwed on.
  • the cap 6 has a sealing means in the shape of a four-edged wall element 9 which is fastened to the first skirt 10 of the cap 6 by fracture indication lines 8 along the edges of the wall element
  • the fracture indication lines 8 can be substituted by interspaced fracture indication parts 8a that connect the edges of the wall element 9 with the skirt 10.
  • the cap 6 On the view to the right the cap 6 is seen where the wall element 9 is loosened and leaves an opening in the skirt 10, indicating that the sealing has been broken.
  • Fig. 2 In Fig. 2 is seen two diametrically opposed, marked areas 7 in the skirt 10 and two diametrically opposed barbs 14 at the inner side of the skirt 10 and displaced 90°. At the external side of the radially outermost wall 5 of the neck 4, one of the barbs 1 is seen.
  • a third barb 2 that interacts with a barb 11 at the inner side of the wall element 9.
  • the barb 2 on the neck 4 retains the barb 11 on the wall element 9, and the cap is loosened, whereby the skirt 10 is opened or exposed, indicating that the sealing has been broken.
  • the cap 6 has a second skirt 15, the internal side of which carries the screw thread 12 which interacts with the screw thread 23 carried by the external side of the radially innermost wall 3 on the neck 4.
  • the skirt 10 is seen from above in a sectional view.
  • the skirt 10 has two marked areas 7. By pressing these areas 7 against each other, the skirt assumes an oval shape. As mentioned in connection with Fig. 2, this is causing that at least one projection 16 provided on the neck 4 loosens or ejects a wall element 9, and that the barbs 14 and 1 during simultaneous screwing off of the cap 6 go clear of each other with conse- quent effect.
  • Fig. 4 is seen that the cap 6 with its skirt 10 to the lower edge of which a securing ring 18 is fastened along a fracture indication line 24 or by means of interspaced fracture indication parts 17, the securing ring 18 being provided at its inner side with at least one barb 19 that interacts with at least one barb 20 formed as stop and provided at the external side of the neck 4.
  • the securing ring 18 is loosened entirely or partially by way of the radial compression of the cap, the interaction of the barb 19 and the stop 20.
  • the partially loosened, completely loosened or torn off, respectively, securing ring 18 then indicates that the container 22 has been opened or attempted to be opened.
  • Fig. 5 is seen the securing ring 18 which is fastened to the lower edge of the skirt 10 by means of fracture indication parts 17 as mentioned above.
  • a third concentric skirt 21 the external side of which bears sealingly against the internal side of the radially innermost wall 3 on the neck 4 of the container 22, when the cap 6 is in its partially or fully screwed on position.
  • the cap 6 thereby functions as a plug that effectively can close the container 22.
  • the barbs 14 at the inner side of the skirt 10 and the barbs 1 on the neck 4 at the opposite side of their respective contact surfaces that are situated in mainly radial planes have inclined surfaces forming an acute angle with the adjacent contact surfaces, causing that the barbs are forced to slide past each other on their in- clined surfaces, whereby their contact surfaces are turned against each other when the cap 6 has been screwed securely on the container 22.
  • the barbs may again prevent that the container 22 is opened without the two marked areas 7 of the skirt 10 being pressed against each other at first.
  • the cap 6 is thus child-resistant again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

La présente invention concerne un bouchon à visser à l'épreuve des enfants (6) pour un récipient (22). Ce bouchon comporte une jupe (10) en forme de corps de révolution et une jupe intérieure (15) doté d'un taraudage (12) qui interagit avec un filetage (23) sur la paroi radiale (3) du goulot (4) du récipient (22). Un côté intérieur (13) de ladite jupe (10) présente au moins un tenon (14) qui peut s'engager dans un autre tenon (1) sur le bord extérieur de la paroi radiale la plus extérieure (5) du goulot (4) du récipient (22). Ces tenons sont conçus et disposés de manière complémentaire et s'engagent l'un dans l'autre par paires lorsque le récipient est fermé et empêchent le bouchon vissable (6) d'être dévissé,. Le bouchon (6) présente deux zones repérées diamétralement opposées (7) positionnées par rapport au tenon (14) de telle sorte que la mesure transversale de la jupe (10) opposée audit tenon (14)augmente à un point tel que l'engagement entre les tenons (1) et (14) cesse lorsqu'une pression est exercée sur les zones (7), le bouchon (6) pouvant alors être dévissé. Le bouchon (6) comprend des éléments d'étanchéité composés d'au moins un élément de paroi (9) de la jupe (10). Cet élément (9) est raccordé à ladite jupe (10) au moyen d'un certain nombre de lignes d'indication de rupture (8) ou de parties d'indication de rupture (8a) qui relient les bords de l'élément de paroi (9) à la jupe (10).
PCT/DK2004/000277 2003-04-22 2004-04-22 Bouchon a visser du type « pression-rotation » WO2004094257A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200300605 2003-04-22
DKPA200300605 2003-04-22

Publications (1)

Publication Number Publication Date
WO2004094257A1 true WO2004094257A1 (fr) 2004-11-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2004/000277 WO2004094257A1 (fr) 2003-04-22 2004-04-22 Bouchon a visser du type « pression-rotation »

Country Status (1)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007017036A1 (fr) * 2005-08-10 2007-02-15 Alpla-Werke Alwin Lehner Gmbh & Co. Kg Bouchon securite enfant destine a des recipients, en particulier des bouteilles en plastique
DE102007056380A1 (de) * 2007-11-22 2009-06-04 Meadwestvaco Calmar Gmbh Verschlusskappe für einen Austragkopf
EP2179942A1 (fr) 2008-10-24 2010-04-28 Airsec Capuchon vissé, corps de récipient et récipient
WO2010121264A1 (fr) * 2009-04-17 2010-10-21 Walter Jenkins Dispositif de dispersion de fluide à l'épreuve des enfants
US8365932B2 (en) 2003-12-19 2013-02-05 Airsec S.A. Device for the leak-tight sealing of packaging containers for sensitive products
CN105492335A (zh) * 2013-06-08 2016-04-13 中山富士化工有限公司 逸散用容器及使用了该逸散用容器的飞翔害虫驱散装置
CN110589212A (zh) * 2019-08-23 2019-12-20 御田二工业（深圳）有限公司 一种用于化妆品包装的儿童安全滴管瓶
CN111801279A (zh) * 2018-03-06 2020-10-20 株式会社细川洋行 口栓部的结构及包装体
WO2021224101A1 (fr) * 2020-05-05 2021-11-11 Bericap Uk Ltd Dispositif d'obturation inviolable & de sécurité

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117945A (en) * 1977-06-29 1978-10-03 Owens-Illinois, Inc. Child-resistant safety closure
US4567991A (en) * 1984-10-12 1986-02-04 Sunbeam Plastics Corporation Tamper indicating child resistant closure
US4630743A (en) * 1984-10-01 1986-12-23 Sunbeam Plastics Corporation Tamper indicating child resistant closure
JPS62287855A (ja) * 1986-05-22 1987-12-14 日本クラウンコルク株式会社 合成樹脂製容器蓋
US4967920A (en) * 1989-06-26 1990-11-06 Continental White Cap, Inc. Partial tamper band
US5009323A (en) * 1989-11-13 1991-04-23 Sunbeam Plastics Corporation Tamper indicating closure having a rotary seal
US5927527A (en) * 1997-05-01 1999-07-27 Rexam Plastics, Inc. Squeeze and turn child resistant closure with tamper indicating band

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117945A (en) * 1977-06-29 1978-10-03 Owens-Illinois, Inc. Child-resistant safety closure
US4630743A (en) * 1984-10-01 1986-12-23 Sunbeam Plastics Corporation Tamper indicating child resistant closure
US4567991A (en) * 1984-10-12 1986-02-04 Sunbeam Plastics Corporation Tamper indicating child resistant closure
JPS62287855A (ja) * 1986-05-22 1987-12-14 日本クラウンコルク株式会社 合成樹脂製容器蓋
US4967920A (en) * 1989-06-26 1990-11-06 Continental White Cap, Inc. Partial tamper band
US5009323A (en) * 1989-11-13 1991-04-23 Sunbeam Plastics Corporation Tamper indicating closure having a rotary seal
US5927527A (en) * 1997-05-01 1999-07-27 Rexam Plastics, Inc. Squeeze and turn child resistant closure with tamper indicating band

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8365932B2 (en) 2003-12-19 2013-02-05 Airsec S.A. Device for the leak-tight sealing of packaging containers for sensitive products
WO2007017036A1 (fr) * 2005-08-10 2007-02-15 Alpla-Werke Alwin Lehner Gmbh & Co. Kg Bouchon securite enfant destine a des recipients, en particulier des bouteilles en plastique
DE102007056380A1 (de) * 2007-11-22 2009-06-04 Meadwestvaco Calmar Gmbh Verschlusskappe für einen Austragkopf
DE102007056380B4 (de) 2007-11-22 2020-06-25 WestRock Dispensing Systems Hemer GmbH Verschlusskappe für einen Austragkopf
EP2842886A1 (fr) * 2008-10-24 2015-03-04 Clariant Production (France) S.A.S. Capuchon vissé, corps de récipient et récipient
EP2179942A1 (fr) 2008-10-24 2010-04-28 Airsec Capuchon vissé, corps de récipient et récipient
US8360257B2 (en) 2008-10-24 2013-01-29 Airsec S.A.S. Screw cap, container body and container
WO2010121264A1 (fr) * 2009-04-17 2010-10-21 Walter Jenkins Dispositif de dispersion de fluide à l'épreuve des enfants
CN102459059A (zh) * 2009-04-17 2012-05-16 沃尔特·詹金斯 防止儿童开启的流体分配装置
CN105492335A (zh) * 2013-06-08 2016-04-13 中山富士化工有限公司 逸散用容器及使用了该逸散用容器的飞翔害虫驱散装置
CN111801279A (zh) * 2018-03-06 2020-10-20 株式会社细川洋行 口栓部的结构及包装体
US11254475B2 (en) 2018-03-06 2022-02-22 Hosokawa Yoko Co., Ltd. Structure of mouth plug portion, and package
CN110589212A (zh) * 2019-08-23 2019-12-20 御田二工业（深圳）有限公司 一种用于化妆品包装的儿童安全滴管瓶
WO2021224101A1 (fr) * 2020-05-05 2021-11-11 Bericap Uk Ltd Dispositif d'obturation inviolable & de sécurité
GB2594721B (en) * 2020-05-05 2023-04-26 Bericap Uk Ltd Tamper evident and child resistant closure

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