EP0443868A1 - Fermeture de sécurité - Google Patents

Fermeture de sécurité Download PDF

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Publication number
EP0443868A1
EP0443868A1 EP91301425A EP91301425A EP0443868A1 EP 0443868 A1 EP0443868 A1 EP 0443868A1 EP 91301425 A EP91301425 A EP 91301425A EP 91301425 A EP91301425 A EP 91301425A EP 0443868 A1 EP0443868 A1 EP 0443868A1
Authority
EP
European Patent Office
Prior art keywords
skirt
container
cap
fin
safety closure
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.)
Withdrawn
Application number
EP91301425A
Other languages
German (de)
English (en)
Inventor
Eric Trevor Hopley
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.)
Cmb Bottles & Closures PLC
Original Assignee
Cmb Bottles & Closures 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 Cmb Bottles & Closures PLC filed Critical Cmb Bottles & Closures PLC
Publication of EP0443868A1 publication Critical patent/EP0443868A1/fr
Withdrawn legal-status Critical Current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
    • 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

Definitions

  • This invention relates to safety closures and is especially concerned with a safety closure which requires a combined squeezing and turning operation to remove it from a container to which it is applied.
  • a simple form of this type of safety closure is disclosed in United Kingdom Patent Specification No: 1521201, in which the closure is provided with a single skirt, the upper portion of the skirt being provided with a screw-thread for engagement with a screw-thread on the container neck; and the lower portion of the skirt being deformable and having internal lugs which engage a camming projecting on the container neck.
  • the lugs on the closure and the camming projection are in engagement and simple unscrewing of the closure is impossible. Removal of the closure can only be accomplished if the lugs are placed clear of the projections, and this is accomplished by deforming the lower part of the skirt of the closure by radial pressure applied at right angles to the position of the lugs and projections.
  • a double-skirted or double-walled variation of this type of safety closure is disclosed in United Kingdom Patent Specification No: 1387572.
  • This shows a closure having an inner skirt, which is provided with a screw-thread for engagement with a screw-threaded container neck, and an outer skirt, which is deformable and has projections engaging with complementary recesses on the container neck.
  • Other closures of this general type are disclosed for example in UK Patent Specifications Nos: 1434546, 1603294 and 2011869.
  • a safety closure comprises a cap having a screw-thread for threaded connection with the neck of a container, and at least one internal fin on the skirt of the cap engaging a projection on the container neck when the cap is turned in the unscrewing direction to prevent unscrewing until the skirt of the cap is deformed to place the said fin clear of the said projection, characterised in that the fin has a base portion integrally formed with the skirt and extending substantially radially of the skirt and an outer portion for contact with the projection on the container, the fin being capable of flexing about an elbow intermediate the base and outer portions.
  • the closure is intended to be used in precisely the same way as the known "squeeze-and-turn" closures.
  • the cap in normal application of the cap to a container it is screwed on in the normal way and the fins on the skirt of the cap ride over the projections on the container and "snap" back behind them.
  • the skirt In order to remove the cap it is first necessary to squeeze the skirt at right angles to the fins, thus forming the cap into an elliptical shape and placing the fins radially outwards of the projections on the container neck, following which the cap may be unscrewed in the normal way.
  • the angle of the fin i.e. the angle between the radial base portion and the outer portion, is in the range 90-130°, and most suitably it is in the range 100-115°.
  • the fin is preferably so shaped that the base portion at the point where it merges into the skirt of the cap, has a thickness of between 1.5 and 3 times the thickness of the outer portion of the fin.
  • the invention is applicable to both single-walled and double-walled types of "squeeze-and-turn" closure.
  • a single-walled type both the screw-thread and the internal fin or fins are provided on the single skirt.
  • the screw-thread is provided on the inner skirt and the internal fin or fins on the inside of the outer skirt.
  • the outer surface of the skirt is suitably provided with a flat, to indicate where squeezing pressure is to be applied.
  • Additional “safety” may be built into the closure by providing it with a tear-off strip or tear-band at the lower end of the deformable skirt, such that the skirt cannot be deformed until after the tear-band has been removed.
  • tear-band will suitably be joined to the deformable skirt by spaced frangible bridges. In one form the bridges will be positioned axially below the squeeze points of the skirt, with the internal surface of the tear-band being tight up against the cylindrical surface of an annular shoulder formed on the container below the projections. Squeezing of the skirt to deform it is impossible until the tear-band has been removed.
  • the internal surface of the tear band is provided with a series of spaced axial ribs, the radially inward surfaces of the ribs being tight up against the annular shoulder on the container to prevent deformation of the skirt on squeezing until after removal of the tear-band.
  • the axial ribs may be joined by an annular web for additional stability.
  • the internal surface of the tear-band is provided with inwardly and obliquely directed teeth or ratchets which mesh with corresponding teeth or ratchets formed on an annular shoulder on the container. In this case, even if it is possible to deform the skirt by squeezing, it is not possible to unscrew the closure until after the tear-band has been removed.
  • annular collar which surrounds the lower portion of the skirt and prevents access to the squeeze points on the skirt.
  • the annular collar may be formed as an extension of the tear-band and may, if desired, be stiffened at least in the region of the squeeze points by buttresses or stiffening ribs.
  • the stiffening ribs on the collar may suitably be formed as extensions of the axial ribs provided on the inside of the tear-band in accordance with the embodiment detailed above.
  • a security ring is provided at the lower end of the deformable skirt, and joined thereto by a frangible web or spaced frangible bridges.
  • the inner wall or surface of the security ring is provided with one or more inwardly-directed projections which act against the surface of the container such that when the closure is unscrewed from the container the web or bridges fracture and the security ring remains on the container.
  • the inwardly-directed projections are preferably upwardly-directed spaced arcuate fins which, on unscrewing of the closure, come into contact with an annular shoulder on the container and prevent further upwards movement of the security ring relative to the container neck.
  • the security ring is preferably attached to the deformable skirt by means of four equi-spaced frangible bridges, suitably positioned at the nodal points of the cap skirt (i.e. those points which do not move out of position when the skirt is deformed).
  • the upwardly- and inwardly-directed fins are preferably four in number, and situated between adjacent pairs of bridges.
  • These upwardly- and inwardly-directed fins may be moulded in the closure in the attitude which they assume when the closure is attached to the container. Alternatively they may be moulded as inwardly- and downwardly-projecting fins which are then caused to flex and pivot about their junction with the security ring in a post-moulding operation so that they assume an inwardly- and upwardly-directed attitude. This post-moulding operation can be performed as the closure is screwed onto the container.
  • the safety closure shown in Figure 1 has a disc-like top 1 from which depends an internal flexible annular sealing plug 2. From the periphery of the disc-like top 1 depends a substantially rigid cylindrical inner wall 3 having a screw-thread 4 for engagement with a complementary thread on the neck of a container to which the cap is applied.
  • a frusto-conical outer wall 5 merges into the cylindrical wall 3 a short distance below the top of the wall 3.
  • the wall 5 tapers in thickness, its thinnest portion being at the point 6 where it merges into the cylindrical wall 3, and its thickest portion being at its outer end 7.
  • the thinning of the wall 5 where it merges into the wall 3 gives the necessary flexibility or deformability to the wall 5.
  • fins 8 Formed internally of the wall 5 are fins 8 which engage and co-operate with corresponding abutments or projections on the container neck in the manner disclosed in the prior Specifications referred to above.
  • the fins 8 ride over and seat behind the corresponding abutments on the neck, so that normal unscrewing removal of the closure is impossible.
  • the fins 8 In order to unscrew the closure, the fins 8 must be placed clear of the abutments, and this is achieved by exerting radial pressure on the wall 5, at the positions of diametrically-opposed flats 9 provided at right angles to the fins 8, and this has the effect of deforming the wall 5, at its lower end, into elliptical form whereby the fins 8 are placed clear of the abutments on the container neck and the closure may then be unscrewed in the normal manner.
  • each fin comprises a relatively thick base portion 80 which extends substantially radially inwards from the skirt 5, an outer portion 81, the end of which is in contact with the abutment 10 on the container neck 11, and an intermediate elbow portion 82.
  • the outer portion 81 makes an angle with the base portion 80 of approximately 115°.
  • Figure 4 shows a closure, similar to that of Figures 1-3, but wherein a tear-band 84 is attached to the lower edge of skirt 5.
  • the tear-band 84 is attached by means of spaced bridges 85, and ratchets 86 on the tear-band 84 co-operate with teeth 87 formed on the container neck. Small bridges 89 at the extremity of each ratchet 86 also attach the tear-band to the skirt 5.
  • the presence of the tear-band 84 represents an additional safety feature.
  • the skirt 5 may be deformed by squeezing at the squeeze points, it will not be possible to remove the cap from the container because of the ratchets 86 on the tear-band 84 engaging the teeth 87 on the container.
  • it is necessary to remove the tear-band 84 which can be done by grasping the tear-band at its free end 88 and tearing it from the skirt 5. The cap can then be removed in the usual way.
  • an annular shoulder 12 on the container neck 11 has a cylindrical outer surface 13.
  • a tear-band 14 is attached to the end of skirt 5 through spaced frangible bridges 15. Preferably there is a bridge adjacent each squeeze point (not shown).
  • the inner surface of the band 14 is a tight, or at least snug, fit against the cylindrical surface 13 of the annular shoulder 12. Thus, it is impossible to squeeze the skirt 5 at the squeeze points while the tear-band 14 is attached to the skirt 5. Removal of the tear-band must precede the deformation and subsequent unscrewing of the cap.
  • annular shoulder 20 beneath the abutments 10 is provided with a set of ratchets 21.
  • Attached to the lower end of skirt 5 is a tear-band 24, the attachment of the tear-band to the skirt being through spaced frangible bridges 25.
  • a series of ratchets 26 which mesh with the ratchets 21 on the container neck, thus preventing unscrewing of the closure until the tear-band 24 has been removed.
  • the ends of the tear-band are joined by a thin link band 27 through a frangible bridge 28.
  • a further safety feature is provided by the upstanding annular collar 40 which surrounds the lower half of skirt 5 and prevents finger access to the squeeze points 9.
  • the collar 40 is an axial extension of tear-band 14 and, in the embodiment shown, is provided with internal strengthening ribs 41 which conveniently are axially aligned with ribs 30.
  • FIG. 10 The example of the invention illustrated in Figure 10 is similar in many respects to that shown in Figure 7, but in the case of the Figure 10 example a security ring 50 is attached to the lower end of skirt 5 by means of four equi-spaced frangible bridges 51, the points of attachment of the bridges 51 to skirt 5 being at the nodal points of the skirt.
  • Integrally moulded to the security ring 50 are four arc-shaped flexible fins 52, equi-spaced around the ring 50 and situated between respective pairs of bridges 51 when the ring 50 is viewed in plan. Fins 52 have their roots at the lower end of ring 50, from where they extend upwardly and inwardly.
  • An annular shoulder 53 is provided on the container beneath the screw-threaded neck 11.
  • the closure is removed by squeezing the skirt 5 at the squeeze points 9, whereby the fins 8 are placed radially clear of the abutments 10.
  • the closure may then be unscrewed until the free ends of the fins 52 come into contact with the lower face of the shoulder 53. This arrests the upwards movement of security ring 50.
  • Continued unscrewing of the closure stresses the bridges 51 until they break, allowing complete removal of the closure while the ring 50 remains on the container.
  • the diameter of the circle produced by the upper ends of the fins 52 is preferably slightly larger, e.g. by about 2mms. than the external diameter of the nearest portion 54 of the container, so ensuring that the ring falls down the container and is not retained in its Figure 10 position by frictional engagement with the container.
  • thermoplastics material such as, for example, polypropylene or polystyrene.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP91301425A 1990-02-23 1991-02-22 Fermeture de sécurité Withdrawn EP0443868A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909004086A GB9004086D0 (en) 1990-02-23 1990-02-23 Container-cap combination
GB9004086 1990-02-23

Publications (1)

Publication Number Publication Date
EP0443868A1 true EP0443868A1 (fr) 1991-08-28

Family

ID=10671495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91301425A Withdrawn EP0443868A1 (fr) 1990-02-23 1991-02-22 Fermeture de sécurité

Country Status (3)

Country Link
EP (1) EP0443868A1 (fr)
GB (1) GB9004086D0 (fr)
PT (1) PT96839A (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0633038A1 (fr) * 1993-06-01 1995-01-11 STERIMED Medizinprodukte GmbH Raccord de tuyeau
EP0635435A1 (fr) * 1993-07-22 1995-01-25 Monsanto Europe S.A./N.V. Fermeture de distribution avec bec verseur
WO1995022369A1 (fr) * 1994-02-17 1995-08-24 Clinical Product Development Limited Dispositifs d'accouplement destines a des canules medicales
US5611443A (en) * 1995-02-24 1997-03-18 Beeson And Sons Limited Child-resistant closures for containers
US5638969A (en) * 1995-04-18 1997-06-17 Beeson And Sons Limited Child-resistant closure assemblies
US5676268A (en) * 1991-09-23 1997-10-14 Beeson And Sons Limited Child-resistant closure with castellations
US5687863A (en) * 1996-01-30 1997-11-18 Owens-Illinois Closure Inc. Squeeze and turn child resistant package
US5743419A (en) * 1991-09-23 1998-04-28 Beeson And Sons Limited Container closure with a reinforced resilient blade
US6508807B1 (en) 1998-01-21 2003-01-21 Joseph L Peters Coupling for medical cannulae
WO2005056417A1 (fr) * 2003-12-09 2005-06-23 Owens-Illinois Closure Inc. Bouchon en plastique moule, a l'epreuve des enfants, conditionnement integrant celui-ci et recipient associe
GB2419587A (en) * 2004-10-26 2006-05-03 Dragon Plastics Ltd Child resistant closure with deformable skirt
WO2009103947A1 (fr) 2008-02-19 2009-08-27 Obrist Closures Switzerland Gmbh Fermeture à sécurité enfant
EP2230188A1 (fr) 2009-03-17 2010-09-22 Remy & Geiser GmbH Fermeture à vis en une pièce avec protection enfant
ITTO20130433A1 (it) * 2013-05-29 2014-11-30 Borla Ind Connettore per linee medicali
WO2016012834A1 (fr) * 2014-07-21 2016-01-28 Industrie Borla S.P.A. Capuchon de sécurité pour dispositifs médicaux

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281771A (en) * 1980-06-09 1981-08-04 Siegel Craig S Child-resistant/non-child-resistant closure
GB2203729A (en) * 1987-03-19 1988-10-26 Metal Box Plc Closure systems for containers
WO1991001924A1 (fr) * 1989-08-02 1991-02-21 Cmb Foodcan Plc Fermeture de securite

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281771A (en) * 1980-06-09 1981-08-04 Siegel Craig S Child-resistant/non-child-resistant closure
GB2203729A (en) * 1987-03-19 1988-10-26 Metal Box Plc Closure systems for containers
WO1991001924A1 (fr) * 1989-08-02 1991-02-21 Cmb Foodcan Plc Fermeture de securite

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5676268A (en) * 1991-09-23 1997-10-14 Beeson And Sons Limited Child-resistant closure with castellations
US5743419A (en) * 1991-09-23 1998-04-28 Beeson And Sons Limited Container closure with a reinforced resilient blade
EP0633038A1 (fr) * 1993-06-01 1995-01-11 STERIMED Medizinprodukte GmbH Raccord de tuyeau
EP0635435A1 (fr) * 1993-07-22 1995-01-25 Monsanto Europe S.A./N.V. Fermeture de distribution avec bec verseur
WO1995022369A1 (fr) * 1994-02-17 1995-08-24 Clinical Product Development Limited Dispositifs d'accouplement destines a des canules medicales
US5830195A (en) * 1994-02-17 1998-11-03 Clinical Product Development Limited Couplings for medical cannulae
US5611443A (en) * 1995-02-24 1997-03-18 Beeson And Sons Limited Child-resistant closures for containers
US5638969A (en) * 1995-04-18 1997-06-17 Beeson And Sons Limited Child-resistant closure assemblies
US5836465A (en) * 1995-04-18 1998-11-17 Beeson And Sons Limited Child-resistant closure assemblies
US5687863A (en) * 1996-01-30 1997-11-18 Owens-Illinois Closure Inc. Squeeze and turn child resistant package
US6508807B1 (en) 1998-01-21 2003-01-21 Joseph L Peters Coupling for medical cannulae
WO2005056417A1 (fr) * 2003-12-09 2005-06-23 Owens-Illinois Closure Inc. Bouchon en plastique moule, a l'epreuve des enfants, conditionnement integrant celui-ci et recipient associe
GB2419587A (en) * 2004-10-26 2006-05-03 Dragon Plastics Ltd Child resistant closure with deformable skirt
GB2419587B (en) * 2004-10-26 2007-10-10 Dragon Plastics Ltd Child resistant closure
WO2009103947A1 (fr) 2008-02-19 2009-08-27 Obrist Closures Switzerland Gmbh Fermeture à sécurité enfant
EP2386497A1 (fr) 2008-02-19 2011-11-16 Obrist Closures Switzerland GmbH Fermeture de sécurité pour enfant
EP2230188A1 (fr) 2009-03-17 2010-09-22 Remy & Geiser GmbH Fermeture à vis en une pièce avec protection enfant
DE102009013209A1 (de) 2009-03-17 2010-09-30 Remy & Geiser Gmbh Einteiliger, kindersicherer Schraubverschluss
WO2014191956A1 (fr) * 2013-05-29 2014-12-04 Industrie Borla S.P.A. Connecteurs pour lignes médicales
ITTO20130433A1 (it) * 2013-05-29 2014-11-30 Borla Ind Connettore per linee medicali
CN105393039A (zh) * 2013-05-29 2016-03-09 伯尔拉工业有限公司 用于医疗线路的连接器
JP2016519979A (ja) * 2013-05-29 2016-07-11 インドゥストリー・ボルラ・ソシエタ・ペル・アチオニＩｎｄｕｓｔｒｉｅ Ｂｏｒｌａ Ｓ．ｐ．Ａ． 医用ラインのためのコネクタ
US9950152B2 (en) 2013-05-29 2018-04-24 Industrie Borla S.P.A. Connector for medical lines
WO2016012834A1 (fr) * 2014-07-21 2016-01-28 Industrie Borla S.P.A. Capuchon de sécurité pour dispositifs médicaux
CN106659878A (zh) * 2014-07-21 2017-05-10 伯尔拉工业有限公司 用于医疗设备的安全盖
US10279160B2 (en) 2014-07-21 2019-05-07 Industrie Borla S.P.A. Safety cap for medical devices
AU2014401738B2 (en) * 2014-07-21 2019-09-19 Industrie Borla S.P.A. Safety cap for medical devices

Also Published As

Publication number Publication date
PT96839A (pt) 1993-02-26
GB9004086D0 (en) 1990-04-18

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