WO2003006334A2 - Contenant et couvercle de fermeture - Google Patents

Contenant et couvercle de fermeture Download PDF

Info

Publication number
WO2003006334A2
WO2003006334A2 PCT/EP2002/007463 EP0207463W WO03006334A2 WO 2003006334 A2 WO2003006334 A2 WO 2003006334A2 EP 0207463 W EP0207463 W EP 0207463W WO 03006334 A2 WO03006334 A2 WO 03006334A2
Authority
WO
WIPO (PCT)
Prior art keywords
container
cap
closure cap
lugs
skirt
Prior art date
Application number
PCT/EP2002/007463
Other languages
English (en)
Other versions
WO2003006334A3 (fr
Inventor
Christopher Paul Ramsey
Original Assignee
Crown Cork & Seal Technologies Corporation
Carnaudmetalbox Plc
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 Crown Cork & Seal Technologies Corporation, Carnaudmetalbox Plc filed Critical Crown Cork & Seal Technologies Corporation
Priority to AT02747459T priority Critical patent/ATE298709T1/de
Priority to US10/482,734 priority patent/US20040169000A1/en
Priority to CA002455263A priority patent/CA2455263A1/fr
Priority to MXPA04000264A priority patent/MXPA04000264A/es
Priority to BR0210605-1A priority patent/BR0210605A/pt
Priority to DE60204889T priority patent/DE60204889T2/de
Priority to EP02747459A priority patent/EP1404588B1/fr
Publication of WO2003006334A2 publication Critical patent/WO2003006334A2/fr
Publication of WO2003006334A3 publication Critical patent/WO2003006334A3/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
    • 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
    • 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
    • B65D50/043—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 the closure comprising a screw cap whose threads are shaped to accommodate blocking elements and the closure is removed after first applying axial force to unblock it and allow it to be unscrewed

Definitions

  • the present invention relates to a container and closure cap and in particular to a container having a child resistant closure cap.
  • Child resistant container caps for disinfectant containers and the like are often of the well known squeeze-and-turn type in which the cap has a skirt which must be squeezed at two diametrically opposite points to disengage stops which are formed on the skirt and the container to permit rotation of the cap for removal.
  • This type of cap can be manufactured simply and cheaply because they can be moulded as a one-piece construction.
  • Child resistant caps for pharmaceuticals often use an arrangement in which a cap must be pushed downwardly to permit removal. These arrangements are generally rather complicated and consequently expensive to manufacture. Caps which can be operated by pushing down rather than by being squeezed are preferred by the elderly, however, who find the squeezing action more awkward.
  • the present invention seeks to provide a child resistant container and closure cap which can be operated by pushing down on the cap but which is nevertheless of simple and inexpensive construction. Accordingly there is provided a container and a closure cap therefor, the container having a screw- threaded neck, the cap having an end panel for closing the neck, an inner skirt depending from the end panel and having a screw thread for co-operation with the neck thread, and an outer skirt surrounding the inner skirt and being resiliently connected thereto, one of the container and the closure having a locking ring with at least one slot therein, the other having at least one lug which engages in a slot when the cap is fully screwed on to the container and the outer skirt is in a first, rest position, thereby preventing the cap from being unscrewed, the outer skirt is movable to a second position in which the resilient connection is stressed and in which the lug is disengaged from the slot to allow the closure to be partially unscrewed until the lug is aligned with the slot whereupon the resilient connection urges the outer skirt back to
  • the resilient connection may comprise a bridge portion which extends between the inner and outer skirts .
  • a plurality of slots and lugs may be provided; in a preferred embodiment the locking ring has two slots and there are two lugs, both of which are substantially diametrically opposed to each other. This arrangement balances the stresses placed on either side of the cap during use. The number of slots and lugs does not have to be equal .
  • the outer skirt In the first position the outer skirt may be axially displaced of the inner skirt at their point of connection to the end panel, the bridge portion thereby being inclined. By having an inclined bridge portion in the first, rest position this presents a raised area on which to press. This allows for pressing on the cap using the palm of the hand, making applying the required pressure easier.
  • the resilience of the bridge portion may be provided by the material of the portion itself.
  • the portion may be formed from an elastomeric material such as polypropylene.
  • the bridge portion does not have to be formed from the same material as the rest of the cap, although for simplicity of manufacture this may be the case.
  • the closure cap may therefore be a one-piece construction.
  • the slots may be longer than the lugs whereby to allow a smooth, continuous unscrewing action as described in more detail below.
  • Fig.l is a perspective view of a closure cap
  • Fig.2 is a perspective view of a container for use in conjunction with the cap of Fig.l
  • Fig.3 is a perspective sectional view through the container of Fig.2 shown with the cap of Fig.l fully screwed on;
  • Figs. 4A to 4D are schematic vertical sections through the container and closure cap shown in Fig.3 illustrating the operation of the cap.
  • Fig.5 is a diagrammatic side view of a container according to an alternative embodiment.
  • a child resistant closure cap generally indicated 1 and having a circular end panel 2.
  • An inner skirt 3 depends from the end panel 2 and is formed with an internal screw thread 4.
  • An outer skirt 5 also depends from the end panel 2, radially outwardly of the inner skirt 3 and this creates a hollow interspace between the two skirts 3, 5.
  • the outer skirt is resiliently connected to the end panel by an annular bridge portion 20 (shown most clearly in Fig.3) .
  • a container for use with the cap of Fig.l is shown in Fig.2 and is generally indicated 10.
  • the container 10 has a cylindrical neck 11 formed with an open end and an external screw thread 12 for cooperation with the screw thread 4 on the closure cap 1.
  • the neck 11 is joined to the main body 13 of the container by a shoulder 14.
  • an annular locking ring 15 extends perpendicular to the main axis of the container 10.
  • the locking ring 15 is provided with two diametrically opposed elongate slots 16, 17 which correspond to the lugs 7, 8 of the closure cap 1.
  • the annular bridge portion 20 is shown to comprise a base 21 formed from material which is relatively thin compared to the inner 3 and outer 5 skirts and a plurality of radially extending mutually spaced ribs 22 which extend from the panel 2 to the outer skirt 5.
  • the localised thinning increases the relative elasticity of the bridge portion 20 and reduces stress during use.
  • the bridge portion 20 acts as a spring to provide a sprung outer skirt 5 as described below.
  • FIG. 4A the closure cap is shown fully screwed on to the container as illustrated in
  • Fig.3 The bridge portion 20 is shown to be upwardly inclined and the lugs 7 , 8 are shown to be engaged in their respective slots 16, 17. In this position the closure cap 1 cannot be rotated with respect to the container because of the engagement of the lugs 7 , 8 in the slots 16, 17.
  • the closure cap 1 With the lugs 7, 8 disengaged from the slots 16, 17 the closure cap 1 can now be partially unscrewed, as the lugs 7, 8 can pass under the locking ring 15.
  • the bridge portion is resiliently biassed to the first position but is unable to urge the outer skirt upwardly due to the engagement of the lugs 7, 8 under the locking ring 15.
  • the inner skirt 3 begins to move axially as a result of the screw thread arrangement.
  • the position of the outer skirt 5 is unchanged (because of the engagement of the lugs under the locking ring) but the bridge portion 20 becomes further stressed as shown in Fig.4C.
  • the unscrewing action could not be continuous. Because the slots 16, 17 are considerably longer (in this embodiment approximately twice as long) than the lugs 7, 8 the unscrewing action can be continuous; the additional length of the slots allows the closure cap to be rotated as the lugs 7 , 8 move axially through the slots 16, 17. If the slots are the same size as the lugs the unscrewing action would have to be in several stages; the user would have to gently unscrew the closure to the point at which the lugs flicked fully through the slots, during which time no rotation would be possible.
  • the locking ring is located on the closure cap and the lugs are located on the container. The principle behind the operation of such a closure is exactly the same as previously described.
  • closure cap is injection moulded in a single piece.
  • the container may be made by extrusion blowing using materials such as HDPE or by injection stretch blowing using materials such as PET.
  • the closure cap may be made from HPPE, polypropylene or other elastomeric material.
  • Fig.5 there is shown a container 110 according to an alternative embodiment.
  • the basic design and function of the container 110 is the same as the container 10 of Figs. 1 to 4.
  • the locking ring 115 is slightly upwardly inclined between the slots 116, 117. The inclination makes it easier to unscrew a closure cap (not shown) during the time its lugs pass under the locking ring 115. Without inclination, turning of the cap becomes more difficult as the inner and outer skirts move relative to each other against the resilience of the bridge portion.
  • the inclination of the ring 115 reduces the relative movement of the skirts.
  • the locking ring 115 has a stop 118 adjacent each of the slots 116, 117.
  • the stops 118 have a ramped surface 119 inclined away from the direction of unscrewing, and a sheer face 125 which defines the start of the slot.
  • the face 125 increases the local width of the locking ring 115 which makes it more difficult for the closure cap to be forced open, bypassing the push-and-turn mechanism.
  • the ramped surface 119 causes a change in the force required to screw the closure back onto the container just before the lugs engage the slots; the lugs will also pass into the slots with a more definite clicking noise. This informs the user that the container is fully closed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Table Devices Or Equipment (AREA)

Abstract

L'invention porte sur un ensemble contenant « poussez pour tourner » (10) et un couvercle de fermeture (13). Ce couvercle (13) est doté d'une jupe interne (3) avec un filetage (4) qui coopère avec le goulot à vis (11) du contenant, et une jupe externe élastique (5) qui entoure la jupe interne (3). Ce contenant (10) présente une bague de verrouillage (15) dotée de deux fentes (16,17), un couvercle (1) qui présente deux crans (7,8) qui viennent en prise avec les fentes (16,17) lorsque le couvercle est entièrement vissé sur le contenant (10) et que la jupe est en première position de relâche ce qui permet d'éviter que le couvercle ne soit dévissé. Le jupe externe (5) peut être déplacée en une seconde position de contrainte dans laquelle les crans (7,8) sortent des fentes (16,17) afin de permettre un dévissage partiel jusqu'à ce que les fentes (7,8) soient alignées par rapport à la fente opposée (17,16). Le composant élastique de la jupe externe (5) la replace dans une première position de relâche et les crans (7,8) traversent les fentes (16,17) en raison du mouvement axial de la jupe interne (3) au cours du dévissage partiel. Par la suite, le couvercle (1) peut être entièrement dévissé du contenant.
PCT/EP2002/007463 2001-07-09 2002-07-02 Contenant et couvercle de fermeture WO2003006334A2 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT02747459T ATE298709T1 (de) 2001-07-09 2002-07-02 Behälter und verschlusskappe
US10/482,734 US20040169000A1 (en) 2001-07-09 2002-07-02 Container and closure cap
CA002455263A CA2455263A1 (fr) 2001-07-09 2002-07-02 Contenant et couvercle de fermeture
MXPA04000264A MXPA04000264A (es) 2001-07-09 2002-07-02 Recipiente y tapa de cierre.
BR0210605-1A BR0210605A (pt) 2001-07-09 2002-07-02 Recipiente e uma tampa de fechamento para o mesmo
DE60204889T DE60204889T2 (de) 2001-07-09 2002-07-02 Behälter und verschlusskappe
EP02747459A EP1404588B1 (fr) 2001-07-09 2002-07-02 Contenant et couvercle de fermeture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01305920 2001-07-09
EP01305920.9 2001-07-09

Publications (2)

Publication Number Publication Date
WO2003006334A2 true WO2003006334A2 (fr) 2003-01-23
WO2003006334A3 WO2003006334A3 (fr) 2003-05-01

Family

ID=8182088

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/007463 WO2003006334A2 (fr) 2001-07-09 2002-07-02 Contenant et couvercle de fermeture

Country Status (8)

Country Link
US (1) US20040169000A1 (fr)
EP (1) EP1404588B1 (fr)
AT (1) ATE298709T1 (fr)
BR (1) BR0210605A (fr)
CA (1) CA2455263A1 (fr)
DE (1) DE60204889T2 (fr)
MX (1) MXPA04000264A (fr)
WO (1) WO2003006334A2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050109726A1 (en) * 2003-11-10 2005-05-26 Alley Kenneth A. Closure assembly
US7703617B1 (en) * 2004-11-19 2010-04-27 Rexam Closures And Containers, Inc. Bayonet closure container combination with angled bayonet lugs
US9643771B2 (en) 2009-08-12 2017-05-09 Deborah Adler LLC Methods, systems and apparatuses for management and storage
US9798861B2 (en) 2009-08-12 2017-10-24 Deborah Adler, LLC Methods, systems and apparatuses for management and storage
US8870004B2 (en) 2011-10-25 2014-10-28 Target Brands, Inc. Pharmacy bottle, system, and method
US10898028B2 (en) * 2017-06-30 2021-01-26 Capbran Holdings, Llc Mixer with safety mechanisms
US20190161254A1 (en) * 2017-11-29 2019-05-30 Cory J. Wilson Child-resistant cap
CN113939459A (zh) 2019-04-23 2022-01-14 贝里国际公司 用于容器的能够选择性地打开的封闭件
EP4072963A1 (fr) * 2019-12-11 2022-10-19 Berry Global, Inc. Fermeture inviolable
DE102020129998B3 (de) * 2020-11-13 2021-10-28 Gaplast Gmbh Stopfen für einen Behälter

Citations (1)

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Also Published As

Publication number Publication date
EP1404588A2 (fr) 2004-04-07
BR0210605A (pt) 2004-09-28
MXPA04000264A (es) 2004-07-23
US20040169000A1 (en) 2004-09-02
CA2455263A1 (fr) 2003-01-23
EP1404588B1 (fr) 2005-06-29
ATE298709T1 (de) 2005-07-15
WO2003006334A3 (fr) 2003-05-01
DE60204889T2 (de) 2005-12-22
DE60204889D1 (de) 2005-08-04

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