EP0434308B1 - Closure device - Google Patents
Closure device Download PDFInfo
- Publication number
- EP0434308B1 EP0434308B1 EP90313619A EP90313619A EP0434308B1 EP 0434308 B1 EP0434308 B1 EP 0434308B1 EP 90313619 A EP90313619 A EP 90313619A EP 90313619 A EP90313619 A EP 90313619A EP 0434308 B1 EP0434308 B1 EP 0434308B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inner member
- outer member
- closure device
- opening
- container
- 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.)
- Expired - Lifetime
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
- 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
- B65D50/06—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 different actions in succession
- B65D50/067—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 different actions in succession using integral or non-integral accessories, e.g. tool, key
- B65D50/068—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 different actions in succession using integral or non-integral accessories, e.g. tool, key the closure comprising an inner closure and a freely rotating outer cap or sleeve whereby a tool, key or the like is inserted between the two closure elements to enable removal of the closure
-
- 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
- B65D50/041—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 nested inner and outer caps or an inner cap and an outer coaxial annular member, which can be brought into engagement to enable removal by rotation
Definitions
- This invention relates to a closure device for a container having a screw-threaded cylindrical opening or neck.
- closure devices for bottles or other containers have been devised which are resistant to being opened by children, so that these bottles are suitable for holding e.g. medicines or pills.
- Generally such closures comprise an inner cap which is screw-threaded to engage the screw-threaded cylindrical opening or neck of the bottle, and an outer member which serves for driving the inner member; in order to remove the closure from the bottle, the outer member must be pushed in to engage with the inner member and then turned to unscrew the inner member from the opening of the bottle.
- some medicines are very sticky with the result that the inner member becomes stuck firmly to the opening of the container, again making it difficult to unscrew the closure.
- US-A-3989153 discloses a closure device for a container having a screw-threaded opening, the closure device comprising an inner member in the form of a screw-threaded cap, and an outer member in the form of a cap into which the inner member fits, the outer member operably engaging with the inner member for turning the latter in a closing direction, but being able to turn in an opening direction without operably engaging with the inner member, and the outer member having an opening which enables a portion of the inner member to be operably engaged from outside, for example by means of a coin, for turning the inner member to unscrew it from the container.
- the closure device of this invention is characterised in that the opening comprises a circular opening in the top of the outer member arranged such that said portion of the inner member is accessible in all rotary positions of the outer member, whereby said inner member (10) is turnable in the opening direction without operative interengagement with the outer member (16).
- the inner member can be unscrewed easily from the container by the elderly and infirm, without the need for applying excessive torque, using a coin or spoon handle to engage the portion of the inner member.
- the inner member can be unscrewed from the container by displacing the outer member axially to interengage with the inner member, then turning the outer member: this procedure can be adopted by able persons, without recourse to a coin or spoon handle.
- the inner member portion projects out through the circular opening in the outer member, but this is not essential.
- the said portion of the inner member is formed with a slot which can be engaged for turning the inner member.
- the said portion of the inner member if formed with two slots substantially at right angles to each other.
- the closure device comprises a cover which covers the opening in the outer member and is releasable attached thereto to provide a tamper evident feature.
- the outer member is displaceable axially relative to the inner member to form an interengagement with the inner member such that rotation of the outer member in the opening direction will unscrew the inner member from the container.
- the closure device for the screw-threaded cylindrical opening or neck of a glass bottle or other container.
- the closure device comprises an inner member 10 in the form of a cap having a top and a depending cylindrical skirt 12 formed with an internal screw-thread 14.
- the closure device further comprises an outer member 16 in the form of a cap having a flat top 18 and a depending cylindrical skirt 20.
- the top 18 of the outer member 16 is formed with a circular aperture 22 in its centre, which aperture is closed by a cap-shaped cover portion 19 integral with the outer member 16 and frangibly connected thereto by e.g four spaced webs 21.
- the top of the inner member is formed with a cylindrical extension portion 24 which is formed with two slots 26, 28 at right angles to each other in its outer end.
- the inner member 10 is received within the outer member 16 so that the extension portion 24 of the inner member 10 projects through the circular aperture 22 in the top of the outer member 16 and into the cover portion 19, the latter being formed with a single channel 23 in its top.
- This channel also serves as a feature which can be engaged by a coin or other object for removal, but should be so wide that it cannot slot into the slots underneath.
- the inner member 10 is held captive within the outer member 16 by snap-engagement of its outer rim past an annular ridge 30 on the inside of the skirt 20 of the outer member.
- the cover portion forms a tamper-evident feature for the closure device. It can be gripped and torn off by hand, or it can be forced off by pushing the outer member 16 axially inwards relative to the inner member 10 and towards the container, so that the extension portion 24 of the inner member is caused to project further out through the aperture 22.
- the slots 26, 28 provide an alternative means of loosening the closure device.
- a coin or other convenient article e.g a spoon, can be inserted into either slot 26 or 28 and twisted to turn the inner member 10 directly and unscrew it from the container.
- the cover portion may be formed as a separate cap-shaped member 119 as shown in Figures 6 and 7 having e.g four radial projections 120 spaced around its rim.
- the cover portion can then be inserted into the aperture 22 in the outer member 16 from the interior of the latter before the inner member 10 is inserted, the projections 120 preventing the cover from passing right through the aperture.
- the cover can be pulled by hand through the aperture when desired, or forced off by pushing the other member axially inwards relative to the inner member and container.
- the closure device may be provided without the tamper-evident cover portion 19 or cover member 119 if desired.
Abstract
Description
- This invention relates to a closure device for a container having a screw-threaded cylindrical opening or neck.
- Various closure devices for bottles or other containers have been devised which are resistant to being opened by children, so that these bottles are suitable for holding e.g. medicines or pills. Generally such closures comprise an inner cap which is screw-threaded to engage the screw-threaded cylindrical opening or neck of the bottle, and an outer member which serves for driving the inner member; in order to remove the closure from the bottle, the outer member must be pushed in to engage with the inner member and then turned to unscrew the inner member from the opening of the bottle. However it is often difficult, especially for the elderly or those who suffer from arthritis, to push the outer member in and turn it at the same time. Also, some medicines are very sticky with the result that the inner member becomes stuck firmly to the opening of the container, again making it difficult to unscrew the closure.
- I have now devised a closure device which overcomes the problems outlined above.
- US-A-3989153 discloses a closure device for a container having a screw-threaded opening, the closure device comprising an inner member in the form of a screw-threaded cap, and an outer member in the form of a cap into which the inner member fits, the outer member operably engaging with the inner member for turning the latter in a closing direction, but being able to turn in an opening direction without operably engaging with the inner member, and the outer member having an opening which enables a portion of the inner member to be operably engaged from outside, for example by means of a coin, for turning the inner member to unscrew it from the container.
- The closure device of this invention is characterised in that the opening comprises a circular opening in the top of the outer member arranged such that said portion of the inner member is accessible in all rotary positions of the outer member, whereby said inner member (10) is turnable in the opening direction without operative interengagement with the outer member (16).
- Thus, the inner member can be unscrewed easily from the container by the elderly and infirm, without the need for applying excessive torque, using a coin or spoon handle to engage the portion of the inner member. Alternatively, the inner member can be unscrewed from the container by displacing the outer member axially to interengage with the inner member, then turning the outer member: this procedure can be adopted by able persons, without recourse to a coin or spoon handle.
- Preferably the inner member portion projects out through the circular opening in the outer member, but this is not essential.
- Preferably the said portion of the inner member is formed with a slot which can be engaged for turning the inner member.
- Preferably the said portion of the inner member if formed with two slots substantially at right angles to each other.
- Preferably the closure device comprises a cover which covers the opening in the outer member and is releasable attached thereto to provide a tamper evident feature.
- Preferably the outer member is displaceable axially relative to the inner member to form an interengagement with the inner member such that rotation of the outer member in the opening direction will unscrew the inner member from the container.
- An embodiment of this invention will now be described by way of example only and with reference to the accompanying drawings, in which:
- Figure 1 is a section through a closure device in accordance with the invention;
- Figure 2 is a section through an inner member of the device;
- Figure 3 is a view of the top of the inner member;
- Figure 4 is a section through an outer member of the closure device;
- Figure 5 is a view of the top of the outer member;
- Figure 6 is a section through a separate cover member for the opening in the top of the outer member of the closure device; and
- Figure 7 is a view of the top of the separate cover member of Figure 6.
- Referring to the drawings, there is shown a closure device for the screw-threaded cylindrical opening or neck of a glass bottle or other container. The closure device comprises an inner member 10 in the form of a cap having a top and a depending cylindrical skirt 12 formed with an internal screw-
thread 14. The closure device further comprises anouter member 16 in the form of a cap having aflat top 18 and a depending cylindrical skirt 20. Thetop 18 of theouter member 16 is formed with acircular aperture 22 in its centre, which aperture is closed by a cap-shaped cover portion 19 integral with theouter member 16 and frangibly connected thereto by e.g four spacedwebs 21. The top of the inner member is formed with acylindrical extension portion 24 which is formed with twoslots - The inner member 10 is received within the
outer member 16 so that theextension portion 24 of the inner member 10 projects through thecircular aperture 22 in the top of theouter member 16 and into thecover portion 19, the latter being formed with asingle channel 23 in its top. This channel also serves as a feature which can be engaged by a coin or other object for removal, but should be so wide that it cannot slot into the slots underneath. The inner member 10 is held captive within theouter member 16 by snap-engagement of its outer rim past anannular ridge 30 on the inside of the skirt 20 of the outer member. - The cover portion forms a tamper-evident feature for the closure device. It can be gripped and torn off by hand, or it can be forced off by pushing the
outer member 16 axially inwards relative to the inner member 10 and towards the container, so that theextension portion 24 of the inner member is caused to project further out through theaperture 22. - Four
flexible fingers 32 project from the inside of the top of theouter member 16 in a peripheral direction. When theouter member 16 is turned in the clockwise direction, thesefingers 32 abut respective abutments ordogs 34 on the top of the inner member, to correspondingly turn the inner member for tightening it onto the container next. Once thecover portion 19 has been removed, then when theouter member 16 is turned in the opposite i.e. counterclockwise direction, theflexible fingers 32 ride over the top of theabutments 34 and theouter member 16 turns freely relative to the inner member 10. However, if theouter member 16 is pushed in the axial direction towards the container, the outer member slides on the inner member (thefingers 32 being urged towards the underside of the top of the outer member). Now if the outer member is turned in the counterclockwise direction,abutments 36 on the underside of the top of the outer member engage theabutments 34 on the top of the inner member, to turn the inner member and so unscrew it from the container. - However, for those who find difficulty in pressing the outer member in and at the same time turning it in the counterclockwise or unscrewing direction, the
slots slot - The cover portion may be formed as a separate cap-
shaped member 119 as shown in Figures 6 and 7 having e.g fourradial projections 120 spaced around its rim. The cover portion can then be inserted into theaperture 22 in theouter member 16 from the interior of the latter before the inner member 10 is inserted, theprojections 120 preventing the cover from passing right through the aperture. However, the cover can be pulled by hand through the aperture when desired, or forced off by pushing the other member axially inwards relative to the inner member and container. - The closure device may be provided without the tamper-
evident cover portion 19 orcover member 119 if desired.
Claims (6)
- A closure device for a container having a screw-threaded opening, the closure device comprises an inner member (10) in the form of a screw-threaded cap, and an outer member (16) in the form of a cap into which the inner member fits, the outer member (16) operably engaging with the inner member (10) for turning the latter in a closing direction, but being able to turn in an opening direction without operably engaging with the inner member (10), and the outer member (16) having an opening (22) which enables a portion (24) of the inner member (10) to be operably engaged from outside, for example by means of a coin, for turning the inner member (10) to unscrew it from the container, characterised in that the opening (22) comprises a circular opening in the top of the outer member (16) arranged such that said portion (24) of the inner member (10) is accessible in all rotary positions of the outer member (16), whereby said inner member (10) is turnable in the opening direction without operative interengagement with the outer member (16).
- A closure device according to claim 1, characterised in that said portion (24) of the inner member (10) projects outwards through said opening (22) in top of the outer member (16).
- A closure device according to claim 1 or 2, characterised in that said portion (24) of the inner member (10) is formed with a slot (e.g. 26 which can be engaged for turning the inner member (10).
- A closure device according to claim 3, characterised in that said portion (24) of the inner member (10) is formed with two slots (26, 28) substantially at right angles to each other.
- A closure device according to any one of the preceding claims, characterised by a cover (19) which covers the opening (22) in the outer member (16) and is releasably attached thereto to provide a tamper evident feature.
- A closure device according to any one of the preceding claims, characterised in that the outer member (16) is displaceable axially relative to the inner member (10) to form an interengagement with the inner member (10) such that rotation of the outer member (16) in the opening direction will unscrew the inner member (10) from the container.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898928629A GB8928629D0 (en) | 1989-12-19 | 1989-12-19 | Closure device |
GB8928629 | 1989-12-19 | ||
GB9003731 | 1990-02-19 | ||
GB909003731A GB9003731D0 (en) | 1989-12-19 | 1990-02-19 | Closure device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0434308A1 EP0434308A1 (en) | 1991-06-26 |
EP0434308B1 true EP0434308B1 (en) | 1994-09-14 |
Family
ID=26296393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90313619A Expired - Lifetime EP0434308B1 (en) | 1989-12-19 | 1990-12-13 | Closure device |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0434308B1 (en) |
JP (1) | JPH04128142A (en) |
AT (1) | ATE111412T1 (en) |
AU (1) | AU6819390A (en) |
CA (1) | CA2032387A1 (en) |
DE (1) | DE69012531T2 (en) |
DK (1) | DK0434308T3 (en) |
ES (1) | ES2063934T3 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69208561T2 (en) * | 1991-07-30 | 1996-09-12 | Wellcome Found | Container closure |
EP0607428B1 (en) * | 1992-08-07 | 1997-12-03 | TAYLOR, Julian Davidson | Closure device |
WO1996020422A1 (en) * | 1994-12-28 | 1996-07-04 | Seiko Epson Corporation | Polarized lighting apparatus and projection type display device |
US5769252A (en) * | 1996-12-05 | 1998-06-23 | Volpe And Koenig, P.C. | Container closure which converts from a child resistant to a non-child resistant configuration |
GB2344102A (en) * | 1998-11-25 | 2000-05-31 | Victor Owen Davies | Tamper evident closure device |
JP7128508B2 (en) * | 2018-04-09 | 2022-08-31 | 伸晃化学株式会社 | Caps and capped containers |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1959264A1 (en) * | 1969-11-26 | 1971-06-16 | Gerhard Mueller | Safety screw cap for bottles and similar containers |
DE2307205A1 (en) * | 1973-02-14 | 1974-08-22 | Neuro Plast Gmbh & Co Kg | SECURITY BOTTLE CAP |
US3989153A (en) * | 1976-02-06 | 1976-11-02 | Republic Tool & Manufacturing Corporation | Safety cap |
US4281771A (en) * | 1980-06-09 | 1981-08-04 | Siegel Craig S | Child-resistant/non-child-resistant closure |
DE3417184A1 (en) * | 1984-05-09 | 1985-11-14 | Technoplast B.V., Monster | SECURING LOCK |
GB8611899D0 (en) * | 1986-05-15 | 1986-06-25 | West P A | Rotatable security device |
US4775061A (en) * | 1987-11-23 | 1988-10-04 | Coote David J | Safety bottle cap |
-
1990
- 1990-12-13 AT AT90313619T patent/ATE111412T1/en not_active IP Right Cessation
- 1990-12-13 EP EP90313619A patent/EP0434308B1/en not_active Expired - Lifetime
- 1990-12-13 DE DE69012531T patent/DE69012531T2/en not_active Expired - Fee Related
- 1990-12-13 DK DK90313619.0T patent/DK0434308T3/en active
- 1990-12-13 ES ES90313619T patent/ES2063934T3/en not_active Expired - Lifetime
- 1990-12-17 CA CA002032387A patent/CA2032387A1/en not_active Abandoned
- 1990-12-18 AU AU68193/90A patent/AU6819390A/en not_active Abandoned
- 1990-12-19 JP JP2403679A patent/JPH04128142A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
ES2063934T3 (en) | 1995-01-16 |
ATE111412T1 (en) | 1994-09-15 |
DE69012531D1 (en) | 1994-10-20 |
CA2032387A1 (en) | 1991-06-20 |
DE69012531T2 (en) | 1995-05-04 |
JPH04128142A (en) | 1992-04-28 |
EP0434308A1 (en) | 1991-06-26 |
AU6819390A (en) | 1991-06-27 |
DK0434308T3 (en) | 1995-03-27 |
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