EP0026284B1 - Fermeture à vis de sécurité - Google Patents

Fermeture à vis de sécurité Download PDF

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Publication number
EP0026284B1
EP0026284B1 EP80104342A EP80104342A EP0026284B1 EP 0026284 B1 EP0026284 B1 EP 0026284B1 EP 80104342 A EP80104342 A EP 80104342A EP 80104342 A EP80104342 A EP 80104342A EP 0026284 B1 EP0026284 B1 EP 0026284B1
Authority
EP
European Patent Office
Prior art keywords
cap
ribs
inner cap
screw closure
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.)
Expired
Application number
EP80104342A
Other languages
German (de)
English (en)
Other versions
EP0026284A1 (fr
Inventor
Klaus-Werner Finke
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.)
Robert Finke Kunststoff-Spritzguss-Werk GmbH
Original Assignee
Robert Finke Kunststoff-Spritzguss-Werk GmbH
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 Robert Finke Kunststoff-Spritzguss-Werk GmbH filed Critical Robert Finke Kunststoff-Spritzguss-Werk GmbH
Publication of EP0026284A1 publication Critical patent/EP0026284A1/fr
Application granted granted Critical
Publication of EP0026284B1 publication Critical patent/EP0026284B1/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 safety screw closure consisting of an inner cap with an internal thread and an outer cap which overlaps the inner cap with an axial distance and can be displaced axially in the direction of the inner edge, in which there are axially extending outer ribs on the inner edge and corresponding inner ribs on the outer edge, the latter of which are located slide opposite surfaces without axial pressure without contact.
  • Such a screw cap, secured against undesired opening by hand, is intended to make access more difficult, with the aim that dangerous contents are not accessible to children of the particularly vulnerable age group.
  • a child-resistant pack must guarantee the required level of safety.
  • an outer circumferential annular shoulder is located near the open end of the inner cap. From this, outer ribs extend in the direction of the bottom of the inner cap in the axial direction of its internal thread. These outer ribs are kept short and form a rib ring running around the outside of the inner cap.
  • the user of the screw cap can only start turning when he has brought the inner ribs of the outer cap into connection with the rib ring of the inner cap, since otherwise the lower ends of the ribs of the outer cap slip over the rib ring without engaging with it in a force-fitting manner Connection to come.
  • a child-proof screw cap for bottles which consists of an inner cap and an outer cap.
  • An outer bead is arranged on the inner cap and a corresponding inner bead is arranged on the outer cap, so that the outer cap can be rotated relative to the inner cap without the inner cap also being rotated.
  • On the outer surface of the bottom of the inner cap there is a stop with which a driver arranged on the inside of the bottom of the outer cap interacts.
  • a compression spring that keeps the distance between the two cap bottoms so large that the driver and the stop when turning the outer cap do not come into contact with each other.
  • the spring is compressed between the two cap bottoms, so that the driver on the bottom of the outer cap is displaced toward the bottom of the inner cap and by rotating the outer cap with simultaneous axial pressure the outer cap of the driver can be turned against the stop, after which the inner cap can be unscrewed.
  • closure cap which consists of an inner cap and an outer cap located above it.
  • the inner cap On the upper part, the inner cap has closely spaced outer ribs over the entire circumference, while on the outer cap two ribs are arranged at two diametrically opposite points, which can be connected to the ribs of the inner cap by means of opposing forces in order to unscrew the inner cap.
  • security screw cap engages an outer cap with an axial distance on the Ge thread, for example, a bottle neck on screwed inner cap.
  • To unscrew the inner cap lie from the bottom of the outer cap inwardly projecting lugs against corresponding lugs arranged on the outside of the bottom of the inner cap, so that the screwing motion is transmitted via these lugs. So that the lugs have no unscrewing effect when turning the outer cap in a direction opposite to the screwing direction, they have wedge or inclined surfaces in the unscrewing direction, which slide over one another without effect and do not affect the screw cap.
  • the invention is based on the object of creating a safety screw closure for bottles and similar containers which can be displaced axially by slightly
  • the outer cap can be opened towards the inner cap and rotated at the same time without the.
  • Driver elements must be hooked together over a larger height range of the screw cap.
  • the screw closure can also be designed such that the inner cap has an outer bead at its open end, from which the outer ribs extend to just before the bottom of the inner cap.
  • the bevels of the ribs of the inner cap are located near the bottom of the inner cap, so that the ribs of the outer cap can be correspondingly short.
  • the ribs of the inner cap can be rectangular or trapezoidal in cross-section, in the latter case the surfaces lying at the front in the case of right-hand threads in the screwing direction are chamfered.
  • the ribs offer minimal resistance in the tightening direction, while ensuring an exact positive fit in the unscrewing direction. It is also advisable to arrange a circumferential sealing insert on the bottom of the inner cap.
  • the outer cap advantageously has an inner bead at its open end with which it engages over the outer bead of the inner cap. This ensures that an axial lifting of the outer cap from the inner cap is not possible only by hand without the aid of special tools.
  • the screw cap can be designed so that the inner ribs of the outer cap are directed from the cap base in the direction of the open end of the outer cap.
  • the ribs of the outer cap protrude only slightly from the bottom of the cap. It is advisable to keep the ribs of the outer cap rectangular in cross section.
  • the elongated rib is advantageously rectangular up to the height of the other ribs in cross section and triangular in its further course. It is advisable to chamfer the surface of the extended rib at the front in the direction of unscrewing. As a result, when the outer cap is turned in the unscrewing direction, the long rib slides with its beveled surface over the outer ribs of the inner cap without taking the inner cap with it. On the other hand, the long rib hooks with its high edge on the opposite side with the opposite high edges of the outer ribs of the inner cap, so that the inner cap can be screwed onto the bottle thread with ease.
  • the two-part design of the screw closure according to the invention in connection with the outer ribs of the inner cap has proven to be particularly advantageous.
  • the inner cap can be used as a normal, i.e. H. Use an unsecured closure, but convert it at any time into a child-resistant closure that conforms to the standards by attaching the outer cap.
  • This also simplifies warehousing because the normal closure consisting of the inner cap can be converted at any time if necessary. This means that customers are supplied with only the inner cap or with both caps.
  • Another advantage of the relatively long ribs results from the snarling sound of simply turning the outer cap, which can alert supervisors if children are involved in the closure without permission.
  • the inner cap 1 has an internal thread 2 and at its open end an outer bead 3, from which outer ribs 4 on the outer wall of the inner cap 1 extend axially to the internal thread 2 in the direction of the bottom 5 of the inner cap 1.
  • the distance between the rib ends from the bottom 5 is small.
  • the outer ribs 4 of the inner caps 1 are ver at their end facing the cap base 5 with bevels 6 see that with right-hand threads are inclined downwards in the closing or tightening direction.
  • the outer ribs 4 have a rectangular cross section.
  • the ribs can also have a trapezoidal cross section, in such a way that the surface 7 lying at the front in the case of a right-hand thread in the opening or tightening direction is chamfered.
  • a circumferential sealing insert 8 runs on the inside of the inner cap base 5.
  • the outer cap 9 shown in FIGS. 2 and 4 has at its open end an inner bead 19 with which it engages over the outer bead 3 of the inner cap 1.
  • the inner ribs 10 of the outer cap 9 run on the inner wall of the outer cap 9 in the axial direction to the internal thread 2 of the inner cap 1 in the direction of the open end of the outer cap 9; they are comparatively short and have bevels 12 at their ends facing the open end of the outer cap. In the case of right-hand threads, these bevels 12 are inclined upward in the opening or unscrewing direction.
  • the ribs 10 of the outer cap 9 have a rectangular cross section.
  • elongated ribs 13 Arranged on the circumference of the outer cap 9 are three elongated ribs 13 which are offset from one another by 120 ° and end shortly before the open end of the outer cap 9.
  • the elongated ribs 13 have a rectangular cross section in their area 14 adjacent to the cap base 11 up to the height of the remaining inner ribs 10 and a triangular cross section in their further course 15.
  • the triangular cross section of the extension 15 of the inner rib 13 is designed such that the surfaces 16 lying at the front in the right-hand thread in the unscrewing direction are chamfered.
  • a plurality of spring elements 17, 18 are arranged on the inside of the base 11 of the outer cap 9, which are formed as tabs on the base 11 of the outer cap 9 and are inclined in the direction of the cap axis.
  • the inner cap shown in FIG. 1 with its internal thread 2 is first screwed onto the external thread of the bottle in the usual way.
  • the outer cap 9 shown in FIG. 2 is then placed over the inner cap 1 so that the inner bead 19 of the outer cap 9 lies over the outer bead 3 of the inner cap 1, so that the outer cap 9 can no longer be removed from the inner cap 1 without the aid of special tools can be deducted.
  • the shorter inner ribs 10 of the outer cap 9 lie above the longer outer ribs 4 of the inner cap 1, and offset from one another in such a way that the inner ribs 10 of the outer cap 9 point into the groove located between two outer ribs 4. Accordingly, the extension 15 of each rib 13 also lies between two outer ribs 4 of the inner cap 1.
  • the outer cap 9 can be freely rotated without the inner cap 1 also rotating.
  • the extension 15 of the rib 13 slips over the outer ribs 4 of the inner cap 1 without also rotating them.
  • the inner cap 1 and the outer cap 9 in the locked state i.e. H. screw on as a structural unit on the bottle when the high edge of the extension 15 of the rib 13 lies against an opposite edge of an outer rib 4. Then the inner cap can be screwed firmly onto the bottle thread by means of the outer cap 9.

Landscapes

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

Claims (14)

1. Obturateur de sûreté vissable composé d'un capuchon intérieur (1) avec un filetage intérieur et d'un capuchon extérieur (9) qui coiffe le capuchon intérieur à distance axiale et qui, pour le dévissage, peut être déplacé axialement en direction du capuchon intérieur, des nervures extérieures (4) dirigées axialement se trouvant sur le capuchon intérieur et des nervures intérieures (10) correspondantes se trouvant sur le capuchon extérieur, les surfaces de ces nervures situées en regard les unes des autres glissant les unes au-dessus des autres sans pression axiale sans se toucher, caractérisé en ce que les nervures extérieures (4) du capuchon intérieur (1) comportent, à leurs extrémités tournées vers le fond (5) de ce capuchon, des biseaux (6), qui, dans le cas d'un filetage à droite, sont inclinées vers le bas dans le sens du vissage, les nervures intérieures (10) du capuchon extérieur (9) présentant, à leurs extrémités tournées vers l'extrémité ouverte du capuchon extrémités tournées vers l'extrémité ouverte du capuchon extérieur, des biseaux (12) correspondants, inclinés vers le haut dans le sens du dévissage et venant toucher les biseaux (6) du capuchon intérieur (1 ).
2. Obturateur vissable selon la revendication 1, caractérisé en ce qu'à son extrémité ouverte le capuchon intérieur (1) présente un bourrelet extérieur (3) à partir duquel s'étendent les nervures extérieures (4) jusqu'à une courte distance du fond (5) du capuchon intérieur (1).
3. Obturateur vissable selon la revendication 1 ou 2, caractérisé en ce que les nervures (4) du capuchon intérieur (1) ont une section rectangulaire.
4. Obturateur vissable selon la revendication 1 ou 2, caractérisé en ce que les nervures (4) du capuchon intérieur (1) ont une section trapézoïdale.
5. Obturateur vissable selon la revendication 4, caractérisé en ce que les surfaces des nervures (4) du capuchon intérieur (1) qui, dans le cas d'un filetage à droite, sont situées en avant dans le sens du vissage, sont chanfreinées dans le sens radial.
6. Obturateur vissable selon une ou plusieurs des revendication 1 à 5, caractérisé en ce qu'une garniture d'étanchéité circonférentielle (8) est disposée au fond (5) du capuchon intérieur (1).
7. Obturateur vissable selon une ou plusieurs des revendications 1 à 6, caractérisé en ce que le capuchon extérieur (9) présente à son extrémité ouverte un bourrelet intérieur (19) par lequel il recouvre le bourrelet extérieur (3) du capuchon intérieur (1).
8. Obturateur vissable selon une ou plusieurs des revendications 1 à 7, caractérisé en ce que les nervures interieures (10) du capuchon extérieur (9) sont dirigées à partir du fond (11) vers l'extrémité ouverte du capuchon extérieur (9).
9. Obturateurvissable selon une ou plusieurs des revendications 1 à 8, caractérisé en ce que les nervures (10) du capuchon extérieur (9) font saillie sur le fond (11) du capuchon (9).
10. Obturateur vissable selon une ou plusieurs des revendications 1 à 9, caractérisé en ce que les nervures (10) du capuchon extérieur (9) ont une section rectangulaire, trapézoïdale ou triangulaire.
11. Obturateur vissable selon une ou plusieurs des revendications 1 à 10, caractérisé en ce que certaines nervures (13) du capuchon extérieur (9), uniformément réparties sur le pourtour, sont prolongées et s'étendent jusqu'à une courte distance de l'extrémité ouverte du capuchon extérieur (9).
12. Obturateur vissable selon la revendication 11, caractérisé en ce que les nervures prolongées (13) ont, jusqu'à la hauteur des autres nervures (10), une section rectangulaire et, dans leur partie prolongée (15)', une section triangulaire.
13. Obturateur vissable selon une ou plusieurs des revendications 1 à 12, caractérisé en ce que les surfaces des nervures prolongées (13) qui, dans le cas d'un filetage à droite, sont situées en avant dans le sens du dévissage, sont chanfreinées.
14. Obturateur vissable selon une ou plusieurs des revendication 1 à 13, caractérisé en ce que des éléments flexibles inclinées (17, 18) sont répartis sur le pourtour à l'intérieur du fond (11) du capuchon extérieur.
EP80104342A 1979-09-27 1980-07-24 Fermeture à vis de sécurité Expired EP0026284B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792939095 DE2939095A1 (de) 1979-09-27 1979-09-27 Sicherheitsschraubverschluss
DE2939095 1979-09-27

Publications (2)

Publication Number Publication Date
EP0026284A1 EP0026284A1 (fr) 1981-04-08
EP0026284B1 true EP0026284B1 (fr) 1984-12-12

Family

ID=6081979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80104342A Expired EP0026284B1 (fr) 1979-09-27 1980-07-24 Fermeture à vis de sécurité

Country Status (3)

Country Link
EP (1) EP0026284B1 (fr)
AU (1) AU540593B2 (fr)
DE (1) DE2939095A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3202072A1 (de) * 1982-01-23 1983-08-04 Beiersdorf Ag, 2000 Hamburg Behaelter-verschluss
AU585939B2 (en) * 1985-02-04 1989-06-29 Visy Industrial Plastics Pty Ltd Improvements in and relating to closures
US5148931A (en) * 1990-11-21 1992-09-22 Do Le Minh Safety closures for threaded containers
DE4416448C2 (de) * 1994-05-10 2002-02-21 Geka Brush Gmbh Behälter mit einer Schraubkappe für Nagellack, Mascaraflüssigkeit o. dgl.
GB0411553D0 (en) * 2004-05-24 2004-06-23 Glaxo Group Ltd A dispenser
DE102007013163B4 (de) 2007-03-20 2013-04-04 Benecke-Kaliko Ag Verfahren zur Herstellung von mehrschichtigen Kunststofffolien
US7988003B1 (en) 2007-07-26 2011-08-02 Rexam Healthcare Packaging Inc. Ratchet push and turn child resistant closure
US8316622B2 (en) 2009-06-10 2012-11-27 Shriji Polymers India Limited Child-resistant cap
USD1014251S1 (en) 2019-06-03 2024-02-13 Berlin Packaging, Llc Tamper evident closure assembly
USD1023755S1 (en) 2019-06-03 2024-04-23 Berlin Packaging, Llc Tamper evident closure assembly

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638819A (en) * 1970-07-22 1972-02-01 Kerr Glass Mfg Corp Child-safe closure

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776407A (en) * 1972-02-04 1973-12-04 Kerr Glass Mfg Corp Closure
US3830390A (en) * 1972-03-22 1974-08-20 Sunbeam Plastics Corp Safety closure for medicine bottles or the like
US3853236A (en) * 1973-12-06 1974-12-10 Federal Tool & Plastics Safety closure unit
US3888375A (en) * 1973-12-17 1975-06-10 Vca Corp Safety closure assembly
DE2543453A1 (de) * 1974-10-02 1976-04-15 Ernst Herrmann Flaschen-sicherheitsverschluss
US3946890A (en) * 1975-02-11 1976-03-30 Closures Industries Inc. Child proof closure
DE2927339A1 (de) * 1979-07-06 1981-01-29 Sanner Kg Friedr Kindersicherer behaelter-verschluss

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638819A (en) * 1970-07-22 1972-02-01 Kerr Glass Mfg Corp Child-safe closure

Also Published As

Publication number Publication date
DE2939095C2 (fr) 1988-01-07
AU6205680A (en) 1981-04-02
AU540593B2 (en) 1984-11-29
EP0026284A1 (fr) 1981-04-08
DE2939095A1 (de) 1981-04-16

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