EP0781237A1 - Bouchon filete en plastique servant a fermer une bouteille ou similaire - Google Patents

Bouchon filete en plastique servant a fermer une bouteille ou similaire

Info

Publication number
EP0781237A1
EP0781237A1 EP95922499A EP95922499A EP0781237A1 EP 0781237 A1 EP0781237 A1 EP 0781237A1 EP 95922499 A EP95922499 A EP 95922499A EP 95922499 A EP95922499 A EP 95922499A EP 0781237 A1 EP0781237 A1 EP 0781237A1
Authority
EP
European Patent Office
Prior art keywords
bottle neck
tongues
bottle
cap
screw cap
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
EP95922499A
Other languages
German (de)
English (en)
Other versions
EP0781237B1 (fr
Inventor
Hans-Werner Breuer
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.)
Safety Cap System AG
Original Assignee
Safety Cap System AG
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 Safety Cap System AG filed Critical Safety Cap System AG
Publication of EP0781237A1 publication Critical patent/EP0781237A1/fr
Application granted granted Critical
Publication of EP0781237B1 publication Critical patent/EP0781237B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
    • B65D41/3428—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being integrally connected to the closure by means of bridges

Definitions

  • the invention relates to a screw cap of the type mentioned in the preamble of claim 1 for closing a bottle or the like.
  • a disadvantage of this known screw cap is that, with very careful and slow screwing on of the screw cap and at the same time moving under the hook-shaped projections, it is possible to lift them over the outer bead on the bottle neck, so that the webs between the retaining ring and the cylindrical part the screw cap are not destroyed. This makes it possible lent to replace or contaminate the contents of the bottle in whole or in part and to screw the screw cap back on without this being visible. Although this manipulation requires a certain skill, the securing of the originality of the filling content is limited.
  • the screw cap can therefore be reused as when screwing it on for the first time, so that there is no guarantee.
  • the invention has for its object to provide a screw cap of the type in question, in which tampering with the circlip is excluded with greater security.
  • the object on which the invention is based is achieved by the teaching specified in the characterizing part of claim 1.
  • the basic idea of this teaching is to prevent a thin knife or the like from being pushed between the bottle neck and locking projections and then being moved several times around the circumference of the bottle neck, while at the same time the screw cap is carefully unscrewed, so that the locking projections are slowly opened the bead can be lifted up at the edge of the bottle and finally slide over it.
  • the movement of the manipulation tool around the circumference of the bottle neck is prevented by the fact that tongues are arranged on the inside of the retaining ring adjacent to the latching projections, said tongues being directed towards one another and obliquely inwards in the circumferential direction. This means that half of the tongues go in one direction and the other
  • a manipulation tool thus gets caught behind one of the tongues when an attempt is made to move around the bottle neck, so that further movement is not possible.
  • the tongues prevent the locking projections from bending down.
  • the tongues are expediently designed so long in the circumferential direction that at least in the screwed-on state they engage behind the locking projections on the side facing the bottle neck.
  • the tongues therefore always rest securely on the bottle neck and therefore do not offer a gap through which a manipulation tool could be guided in the circumferential direction of the bottle neck in order to repeatedly raise the locking projections one after the other.
  • Another useful training is that the edges of the tongues lying at the front in the screwing-on direction are arranged in such a way that when the screws are screwed on, the latching projections first move inwards and then the tongues. In this way it is ensured that the advantageous contact of the tongues is brought about securely directly on the bottle neck when screwing on.
  • the tongues are advantageously resilient on the bottle neck. As a result, they preload the locking ring radially outwards.
  • the securing ring has at least one predetermined breaking point in the circumferential direction. This tears when the screw cap is opened, when the locking projections on the bead on the bottle neck are retained. As a result of the pretension caused by the tongues, the securing ring is stretched after the predetermined breaking point has been torn open, so that there are gaps between the predetermined breaking points that are easily visible, so that a guarantee is guaranteed.
  • Fig. 1 shows an axial section through an exemplary embodiment of a screw cap according to the invention, together with an associated neck of a bottle
  • Fig. 2 is a section II-II through Fig. 1
  • Fig. 3 shows the lower left part of the enlarged
  • FIG. ⁇ is a view IV in FIG. 3
  • FIG. 5 is a section VV through FIG. 3
  • FIG. 6 corresponds to FIG. 5, but shows the screw cap when screwed on.
  • Fig. 1 shows a screw cap 1 made of plastic according to an embodiment of the invention. It has a base 2 and a cylindrical screw part 3 with an internal thread A for screwing onto an external thread 5 of a bottle neck 6, which is only partially shown.
  • a seal 8 is located between the base 2 and an end edge 7 of the bottle neck 6.
  • a lower edge 9 of the cylindrical part 3 is connected via predetermined breaking points 10 to a securing ring 11 which has locking projections 12 on the inside which, in the screwed-on state shown, engage behind an outer bead 13 on the bottle neck 6.
  • a securing ring 11 On the inside of the securing ring 11 there are also tongues 1A which resiliently abut an outer wall 15 of the bottle neck 6.
  • FIG. 2 shows a section II-II through FIG. 1. It can be seen in this illustration that the tongues 1A are located in the spaces between the locking projections 12 and are arranged in pairs adjacent to the locking projections 12 and are directed towards one another.
  • the securing ring 11 has predetermined breaking points 16 in the form of notches arranged axially in the circumference of the securing ring 11.
  • FIG. 3 shows an enlarged detail from FIG. 1 in the area of the lower left part of the screw cap, in such a way that the screw cap is not screwed on and the bottle neck 6 is thus omitted. This makes it clear that, when the screw cap 1 is not screwed on, the tongues 1A protrude so far inward that they protrude inward beyond the radial area occupied by the outer wall 15 of the bottle neck 6 when screwed on.
  • A shows a view IV in FIG. 3 in its lower region. It can be seen that the two in this Representation of visible tongues 1A extend outside of the inner wall of the locking ring 11 towards each other in the area of the locking projection 12.
  • Fig. 5 shows a section V-V through Fig. 3.
  • the tongues 1A protrude inward beyond the locking projections 12 in the relaxed state and that the predetermined breaking point 16 formed by a notch lies between the tongues 1A.
  • FIG. 6 essentially corresponds to the representation according to FIG. 5, but shows the conditions when the screw cap is screwed on. It can be seen that the tongues 1A are bent inwards and are thus under tension, while at the same time engaging behind the locking projections 12. If the screw cap shown in the drawing is screwed onto a bottle, the locking projections 12 first abut the outer bead 13 of the bottle neck 6, so that they are bent outwards. In the following, this also occurs when the tongues 1A are further screwed on, the ends of which move towards one another. In the further course of the screwing on, the tongues 1A come free from the outer bead 13, so that they rest against the outer wall 15 of the bottle neck 6 due to their length and alignment with spring force. Finally, the locking projections 12 come free from the outer bead 13 so that they snap behind them.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP95922499A 1994-09-17 1995-06-06 Bouchon filete en plastique servant a fermer une bouteille ou similaire Expired - Lifetime EP0781237B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4433238A DE4433238C1 (de) 1994-09-17 1994-09-17 Schraubkappe aus Kunststoff zum Verschließen einer Flasche oder dergleichen
DE4433238 1994-09-17
PCT/EP1995/002129 WO1996008420A1 (fr) 1994-09-17 1995-06-06 Bouchon filete en plastique servant a fermer une bouteille ou similaire

Publications (2)

Publication Number Publication Date
EP0781237A1 true EP0781237A1 (fr) 1997-07-02
EP0781237B1 EP0781237B1 (fr) 1998-12-09

Family

ID=6528520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95922499A Expired - Lifetime EP0781237B1 (fr) 1994-09-17 1995-06-06 Bouchon filete en plastique servant a fermer une bouteille ou similaire

Country Status (8)

Country Link
EP (1) EP0781237B1 (fr)
AT (1) ATE174292T1 (fr)
AU (1) AU2737195A (fr)
DE (2) DE4433238C1 (fr)
DK (1) DK0781237T3 (fr)
ES (1) ES2126903T3 (fr)
GR (1) GR3029543T3 (fr)
WO (1) WO1996008420A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1835691A1 (fr) 2006-03-13 2007-09-19 Hewlett-Packard Development Company, L.P. Système de communication et procédé

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU698251B2 (en) * 1994-08-09 1998-10-29 Sterling Chemicals International, Inc. Friction materials containing blends of organic fibrous and particulate components

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3531508A1 (de) * 1985-09-04 1987-03-12 Saier E Kunststoffwerk Gmbh Schraubverschlusskappe, insbesondere aus kunststoff, fuer flaschen, becher od. dgl.
US4749094A (en) * 1987-01-02 1988-06-07 Owens-Illinois Closure Inc. Molded plastic tampering-indicating closure and apparatus for manufacture thereof
DE4108453A1 (de) * 1990-04-07 1991-10-10 Deussen Stella Kg Behaelterverschluss
GB9018854D0 (en) * 1990-08-29 1990-10-10 Montgomery Daniel & Son Ltd Tamper-evident closure cap
JP3209538B2 (ja) * 1991-04-08 2001-09-17 日本クラウンコルク株式会社 ピルファープルーフ特性を有する合成樹脂製キャップ
EG21314A (en) * 1992-07-16 2000-10-31 Driutt Rodney Malcolm Tamper evident closure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9608420A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1835691A1 (fr) 2006-03-13 2007-09-19 Hewlett-Packard Development Company, L.P. Système de communication et procédé

Also Published As

Publication number Publication date
GR3029543T3 (en) 1999-06-30
ES2126903T3 (es) 1999-04-01
WO1996008420A1 (fr) 1996-03-21
ATE174292T1 (de) 1998-12-15
DK0781237T3 (da) 1999-08-16
AU2737195A (en) 1996-03-29
DE59504506D1 (de) 1999-01-21
EP0781237B1 (fr) 1998-12-09
DE4433238C1 (de) 1996-01-18

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