EP0123810A1 - Fermeture de sécurité - Google Patents

Fermeture de sécurité Download PDF

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Publication number
EP0123810A1
EP0123810A1 EP84101911A EP84101911A EP0123810A1 EP 0123810 A1 EP0123810 A1 EP 0123810A1 EP 84101911 A EP84101911 A EP 84101911A EP 84101911 A EP84101911 A EP 84101911A EP 0123810 A1 EP0123810 A1 EP 0123810A1
Authority
EP
European Patent Office
Prior art keywords
cap
membrane
wall
caps
closure according
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.)
Granted
Application number
EP84101911A
Other languages
German (de)
English (en)
Other versions
EP0123810B1 (fr
Inventor
Victor Wassilieff
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT84101911T priority Critical patent/ATE29860T1/de
Publication of EP0123810A1 publication Critical patent/EP0123810A1/fr
Application granted granted Critical
Publication of EP0123810B1 publication Critical patent/EP0123810B1/fr
Expired 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
    • B65D50/041—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

  • the invention relates to a closure for containers, in particular bottles, with the features mentioned in the preamble of claim 1.
  • the closure is suitable for screwing on with sealing machines, is childproof and can be designed as a tamper-evident closure.
  • Such closures are to be screwed onto the mouths, in particular of bottles, by automatic closing machines.
  • the maximum torque to be exerted by the capping machine must be set with a small tolerance so that on the one hand the mouths are tightly closed but on the other hand the inner cap is not screwed too tight. Then it could be destroyed as soon as it was screwed on or would be difficult to loosen again.
  • drivers are provided in the form of radial projections on the screw and overcap and, in addition, an axially active spring which normally keeps the drivers out of engagement. If the spring tires after repeated use, the drivers remain in constant engagement, i.e. H. the security function has been lost.
  • the invention is intended to provide a closure which does not require a spring and in which, as in the first-mentioned state of the art, a rotation is to be exerted by exerting an axial force against the mouth to open and which fulfills a safety effect regardless of which Torque the inner cap was screwed on, so that it is immaterial how large the maximum torque of a capping machine is set or how much a consumer screws the cap.
  • the coupling element is deformable during the axial movement. In the idle state it has no effect, so that the outer cap can rotate freely on the inner cap. This results in z. B. a securing effect, so that the closure is childproof. Childproofing is also guaranteed if the inner cap was only partially or very loosely screwed on. Both when screwing in and when unscrewing, the outer cap must be moved axially against the mouth. Only then is the coupling element deformed sufficiently so that it then takes the inner cap with it under frictional engagement.
  • the frictional engagement can be dimensioned so that the maximum torque that can be transmitted thereby is sufficient on the one hand to firmly screw the inner cap on, but on the other hand is not sufficient to destroy the closure if, for example, a closing machine is set so that it could transmit excessive torque. If excessive torque is transmitted to the outer cap, it slips on the outer cap and the coupling element after overcoming the frictional torque.
  • the closure according to the invention thus transmits no torque at all in the idle state and, when the outer cap is fully depressed, a torque up to a certain maximum size, which depends solely on the shape and the elastic spring force of the coupling element.
  • the coupling element can be formed as a flexible membrane which is connected to the one cap and has a portion which is closely adjacent to the other cap in the idle state without frictional engagement occurring.
  • a section of the membrane which, viewed in longitudinal section, was previously straight or only slightly curved is curved or more strongly curved.
  • the membrane now exerts a radial force, so that the desired frictional engagement occurs, which is required to take the inner cap with it.
  • both caps can be locked together in a simple manner so that the outer cap can not be lost.
  • the elastic membrane can be part of one of the caps or a separate component which is placed on the one cap, in particular the inner cap. This gives the possibility of a free choice of material for the membrane and caps.
  • a separate membrane allows a low axial height of the closure.
  • a channel-shaped section of a membrane which is part of one of the caps, connect the jacket to the cover plate and protrude into an annular space of the other cap.
  • one of the coupling elements can have the shape of a wall in the form of a hollow truncated cone.
  • this wall is deformed in such a way that the cone angle increases.
  • the open end of the wall then presses against a second coupling element in the form of an annular projection, depending on the design, either inwards or outwards. Both coupling elements jam against each other so that the desired frictional engagement is achieved.
  • the jacket of the outer cap can also serve as an annular projection.
  • At least one pair of walls can be provided in the form of hollow truncated cones, which are arranged on the cover plates of both caps and engage in one another in the idle state without frictional engagement.
  • the walls have different cone angles and, when the axial force is exerted, lie against one another with elastic deformation. The force caused by the elastic deformation ensures that required friction. This further development achieves closures of small diameter.
  • the mantles of both caps themselves are designed as walls in the form of hollow truncated cones, particularly simple injection molds for producing the caps result.
  • top refers to the position of a closure according to the invention, the inner cap of which is screwed onto the mouth of an upright bottle.
  • Figure 1 shows a mouth 1 of a bottle with an external thread.
  • An inner cap 3 of a closure according to the invention with an internal thread is screwed onto this.
  • the inner cap 3 has a jacket 3a and a cover plate 3b.
  • a downwardly projecting ring seal 5 attaches to this.
  • An outer cap 7 with jacket 7a and cover plate 7b is placed over the inner cap 3. It has a hollow cylindrical projection 9 which engages through a central opening 11 in the inner cap.
  • the approach has an outer bead 13 on its lower edge, which after the ge forceful pushes out and the outer cap is anchored to the inner cap.
  • the opening 11 of the inner cap is sealed by a cap 15.
  • an elastically flexible membrane 17 which is turned inside out. She has . a trough-shaped section 17a and then a cylindrical section 17b, which is at a short distance from the inner wall of the outer cap 7 in the rest state.
  • the free edge 17c of the membrane is supported on an inner shoulder 19 of the outer cap 7.
  • the outer cap 7 If the outer cap 7 is pressed down in the direction of the arrow, which is possible until the two cover plates abut against one another, then the inner shoulder 19 presses the cylindrical section 17b of the membrane downward. As a result, the lower part of the cylindrical portion 17b is forced to bend. However, it strives to maintain its original shape, with the result that it presses radially outward against the inner wall of the outer cap 7. This creates the desired frictional engagement.
  • the membrane is dimensioned and made of such a material that a frictional torque is generated which is sufficient to screw the inner cap tightly enough for secure sealing and to unscrew it again. When using capping machines, this design limits the tightening torque. If the inner cap is completely screwed on and a torque of increasing size continues to be exerted on the outer cap, the outer cap finally rotates around the membrane. This prevents the closure from being destroyed when excessive torque is applied.
  • FIG. 2 shows a very similar design.
  • the membrane 17 is attached to an outer cap 7.2, which is essentially designed as a cylindrical ring.
  • the free edge of the membrane is supported on an outer flange 21 of the inner cap.
  • Both caps are held in a manner known per se by an inner bead 23 of the outer cap, which cooperates with the outer flange 21 and is held together by the membrane.
  • the function is the same as that of the closure according to FIG. 1.
  • a membrane 17a is provided, which is a special component. As a result, you have a free choice of any hard material for the caps. You only need to use a plastic with suitable elasticity for the membrane itself.
  • the membrane 17.3 has an inner cylindrical section 17d which sits tightly on a section of smaller diameter of the inner cap 3.3. The membrane is turned inside out, has a trough-shaped section 17a and is supported on the cover plate 8b of the outer cap. The function corresponds to that of the embodiment according to FIG. 1.
  • FIGS. 4 and 5 show that closures according to the invention can be combined with a tamper-evident device.
  • the embodiment according to FIG. 4 has an insertable, elastically flexible membrane 17.4 with an inner flange 17e and a cylindrical section 17d which is to be inserted over the inner cap.
  • the membrane has a trough-shaped section 17a and a cylindrical section 17b which, when the inner wall is at rest, is closely adjacent to a substantially cylindrical outer cap 7.4 without exerting frictional engagement.
  • the upper edge of the membrane abuts an inner shoulder 19 of the outer cap 7.4.
  • the outer cap has an inner flange 25 which merges into a securing ring 29 in an annular predetermined breaking point 27. This will secure the location in there is no frictional engagement ( Figure 4 left).
  • the outer cap 7.4 is pressed downward in the direction of the arrow, the locking ring 29 breaking off.
  • the other function is the one described above.
  • a locking ring 29 is also provided, which is blown off when used for the first time.
  • the membrane 17.5 is an integral part of the inner cap 3.5. It connects its cylindrical section 3a with an internal thread to its cover plate 3b.
  • the trough-shaped section 17a of the membrane projects into an annular space 31 of the outer cap.
  • a short cylindrical extension 33 of the outer cap projects downward into a narrow annular space 35 of the inner cap and is supported on the bottom thereof.
  • a membrane 17.6, similar to that according to FIG. 1, is provided. However, it has an annular bead 17f widening downward on its free edge.
  • a ring of axially parallel, inwardly directed ribs 40 is provided on the inner wall of the jacket 7a of the outer cap. In the circumferential direction, these ribs have a width of approximately 2 mm and are separated from one another by spaces of the same width.
  • the ribs 40 widen (viewed in axial planes) from the bottom upwards and end in a stop surface which extends slightly obliquely upwards.
  • the cover plate 7b is connected to the jacket 7a by webs 42.
  • Injection mold is required to produce the ribs 40, a ring of pins which are inserted from above through the spaces between the webs 40.
  • the function for screwing on and unscrewing is the one described above.
  • FIG. 7 shows a similar embodiment, in which the sleeve 17.7 is only shorter.
  • the ribs 40.7 are shorter.
  • the webs 42.7 connect jacket sections 7al and 7a2 of different diameters.
  • the embodiments to be described do not have a sleeve with a channel-shaped section, but rather have at least one wall in the form of a hollow truncated cone as essential coupling parts.
  • FIG. 8 shows such a wall 50, which attaches to the outer edge of the cover plate 3b of the inner cap and is directed inwards at an angle of 30 ° to 40 °.
  • annular projection 52 is provided, which forms an abutment for the free inner edge of the wall 50. In the idle state (left in Figure 8), the two are slightly apart. If the axial force is exerted, the wall 50 folds inwards and presses against the projection 52, which creates the frictional engagement.
  • the wall 50.9 can also be directed outwards. In the entrained state, it then presses from the inside against the inner wall of the outer casing or against an annular projection arranged outside of its free edge, whereby it is compressed.
  • two walls 54 and 56 are provided in the form of hollow truncated cones.
  • Wall 54 protrudes downwards and somewhat inwards from the cover plate of the outer cap.
  • Wall 56 protrudes from the Cover plate of the inner cap upwards and slightly outwards.
  • the cone angles differ by 10 ° to 20 °, so that the lower edge of the wall 54 is closest to the wall 56 in the rest state without, however, exerting frictional engagement: in the entrainment state, both walls 54 and 56 are narrow under the influence of the axial force to each other. The elastic forces caused by their bending produce the desired frictional engagement.
  • FIG. 11 shows that the arrangement can also be reversed in such a way that the upper free edge of wall 56.11 is most adjacent to wall 54.11.
  • the function is otherwise the same as that shown in FIG. 10.
  • Figure 12 shows that two pairs of such sloping walls can also be arranged. In the entrained state, the walls of both pairs then lay against each other under elastic tension. The required frictional force is generated here at two radially separate locations. One therefore gets by with a lower overall height for the functionally essential walls and thus for the whole closure.
  • Figure 13 shows that the mantles of the caps themselves can be designed as walls in the form of hollow truncated cones. The function corresponds to that according to FIG. 10 or 11.
  • a ring 60 is provided at the lower edge of the outer cap, which, after the outer cap has been fitted, engages with an inner bead 62 behind an outer bead 64 of the inner cap.
  • closures according to all embodiments are preferably made of plastic.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Closures For Containers (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Materials For Medical Uses (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Road Signs Or Road Markings (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Cable Accessories (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Discharge Heating (AREA)
EP84101911A 1983-04-29 1984-02-23 Fermeture de sécurité Expired EP0123810B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84101911T ATE29860T1 (de) 1983-04-29 1984-02-23 Verschluss, insbesondere kindergesicherter verschluss.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833315548 DE3315548A1 (de) 1983-04-29 1983-04-29 Verschluss, insbesondere kindergesicherter verschluss
DE3315548 1983-04-29

Publications (2)

Publication Number Publication Date
EP0123810A1 true EP0123810A1 (fr) 1984-11-07
EP0123810B1 EP0123810B1 (fr) 1987-09-23

Family

ID=6197667

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84101911A Expired EP0123810B1 (fr) 1983-04-29 1984-02-23 Fermeture de sécurité

Country Status (8)

Country Link
US (1) US4624377A (fr)
EP (1) EP0123810B1 (fr)
JP (1) JPS6045158A (fr)
AT (1) ATE29860T1 (fr)
CA (1) CA1286254C (fr)
DE (2) DE3315548A1 (fr)
DK (1) DK158834C (fr)
NO (1) NO161170C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0490775A1 (fr) * 1990-12-14 1992-06-17 Manufacture Bourguignonne De Plastique Bouchon de sécurité à vis
EP1002737A1 (fr) * 1998-11-19 2000-05-24 LAMEPLAST S.p.A. Bouteille, en particulier pour des produits pharmaceutiques, avec fermeture de sécurité
EP2028123A1 (fr) * 2007-08-16 2009-02-25 Obrist Closures Switzerland GmbH Fermeture sécurisée

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3668301D1 (de) * 1985-05-18 1990-02-22 Victor Wassilieff Kindergesicherter verschluss.
JPS62120832A (ja) * 1985-11-21 1987-06-02 旭光学工業株式会社 水密型内視鏡
IT1221304B (it) * 1988-01-11 1990-06-27 Taplst S N C Tappo di sicurezza
US5588545A (en) * 1991-09-23 1996-12-31 Beeson And Sons Limited Child-resistant and elderly friendly closure for containers
DE4229604C2 (de) * 1992-09-04 1994-08-04 Merck Patent Gmbh Siegelkappe für einen Sicherheitsverschluß
US6093144A (en) * 1997-12-16 2000-07-25 Symphonix Devices, Inc. Implantable microphone having improved sensitivity and frequency response
ITMI20052505A1 (it) * 2005-12-28 2007-06-29 Nicola Fabiano Tappo dotato di un dispositivo di sicurezza anti-rotazione
US20090014404A1 (en) * 2007-07-10 2009-01-15 Berry Plastics Corporation Convertible container closure
JP6034379B2 (ja) 2012-06-07 2016-11-30 伸晃化学株式会社 安全キャップ
WO2013190723A1 (fr) * 2012-06-22 2013-12-27 伸晃化学株式会社 Bouchon de sécurité

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1142907A (en) * 1967-06-29 1969-02-12 Simon Roberts Safety closure for bottles and like containers
FR2079409A1 (fr) * 1970-02-13 1971-11-12 Ciba Geigy Ag
GB1361195A (en) * 1972-04-12 1974-07-24 Dart G T Safety cap
US4165813A (en) * 1978-05-01 1979-08-28 Societe Nouvelle De Bouchons Plastique Security closure device for bottles
GB2100238A (en) * 1981-06-04 1982-12-22 Puresevic Peter J A closure device for a container having a cylindrical opening

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1906811A1 (de) * 1969-02-12 1970-08-13 Leitz Kg Kunststoffwerk Sicherheitsverschluss mit UEberkappe fuer Behaelter
US3682343A (en) * 1970-07-22 1972-08-08 Eyelet Specialty Co Safety closure device
GB1377785A (en) * 1971-09-20 1974-12-18 Owens Illinois Inc Safety closure
CH570312A5 (en) * 1974-10-23 1975-12-15 Kaiser Ernst Medicine bottle safety cap - has inner and outer portions with conical friction faces thrust together axially
FR2314873A1 (fr) * 1975-06-20 1977-01-14 Captocap Ltd Dispositif de bouchage inviolable, avec mecanisme de securite
GB1602611A (en) * 1978-05-26 1981-11-11 Metal Closures Group Ltd Closures for containers
GB2066792B (en) * 1979-11-19 1983-10-26 Deussen Stella Kg Container closure with childproof lock and original package seal
NL8102296A (nl) * 1981-05-11 1982-12-01 Technoplast Bv Schroefdop voor het afsluiten van een houder.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1142907A (en) * 1967-06-29 1969-02-12 Simon Roberts Safety closure for bottles and like containers
FR2079409A1 (fr) * 1970-02-13 1971-11-12 Ciba Geigy Ag
GB1361195A (en) * 1972-04-12 1974-07-24 Dart G T Safety cap
US4165813A (en) * 1978-05-01 1979-08-28 Societe Nouvelle De Bouchons Plastique Security closure device for bottles
GB2100238A (en) * 1981-06-04 1982-12-22 Puresevic Peter J A closure device for a container having a cylindrical opening

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0490775A1 (fr) * 1990-12-14 1992-06-17 Manufacture Bourguignonne De Plastique Bouchon de sécurité à vis
FR2670464A1 (fr) * 1990-12-14 1992-06-19 Manuf Bourguignonne Plasti Bouchon de securite a vis.
EP1002737A1 (fr) * 1998-11-19 2000-05-24 LAMEPLAST S.p.A. Bouteille, en particulier pour des produits pharmaceutiques, avec fermeture de sécurité
EP2028123A1 (fr) * 2007-08-16 2009-02-25 Obrist Closures Switzerland GmbH Fermeture sécurisée

Also Published As

Publication number Publication date
NO161170B (no) 1989-04-03
DK116384A (da) 1984-10-30
NO841675L (no) 1984-10-30
DE3315548A1 (de) 1984-12-06
DE3466374D1 (en) 1987-10-29
US4624377A (en) 1986-11-25
DK116384D0 (da) 1984-02-28
DK158834B (da) 1990-07-23
CA1286254C (fr) 1991-07-16
JPS6045158A (ja) 1985-03-11
NO161170C (no) 1989-07-12
ATE29860T1 (de) 1987-10-15
DK158834C (da) 1990-12-31
EP0123810B1 (fr) 1987-09-23

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