EP0552959B1 - Système de verrouillage - Google Patents

Système de verrouillage Download PDF

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Publication number
EP0552959B1
EP0552959B1 EP93300438A EP93300438A EP0552959B1 EP 0552959 B1 EP0552959 B1 EP 0552959B1 EP 93300438 A EP93300438 A EP 93300438A EP 93300438 A EP93300438 A EP 93300438A EP 0552959 B1 EP0552959 B1 EP 0552959B1
Authority
EP
European Patent Office
Prior art keywords
disposable
entrance
closure member
plug part
article
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
Application number
EP93300438A
Other languages
German (de)
English (en)
Other versions
EP0552959A1 (fr
Inventor
Arthur Benjamins
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.)
Envopak Group Ltd
Original Assignee
Envopak Group Ltd
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 Envopak Group Ltd filed Critical Envopak Group Ltd
Publication of EP0552959A1 publication Critical patent/EP0552959A1/fr
Application granted granted Critical
Publication of EP0552959B1 publication Critical patent/EP0552959B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/03—Forms or constructions of security seals
    • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
    • G09F3/0311—Forms or constructions of security seals characterised by the type of seal used having arrow-like sealing means
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/26—Sliders
    • A44B19/30—Sliders with means for locking in position
    • A44B19/301—Sliders with means for locking in position at the end of their upward travel with any suitable device, e.g. pull member combined with a press-button, a hook, a key-operated lock
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/03—Forms or constructions of security seals
    • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
    • G09F3/0347—Forms or constructions of security seals characterised by the type of seal used having padlock-type sealing means
    • G09F3/0352—Forms or constructions of security seals characterised by the type of seal used having padlock-type sealing means using cable lock

Definitions

  • This invention relates to a locking device, and more particularly to a device for locking a container such as a re-usable envelope or a box in tamper-evident fashion.
  • FIG. 1 and 2 of the accompanying drawings show a preferred embodiment of a locking device according to this prior patent.
  • a zip fastener 13 on a re-usable envelope 10 can be locked in tamper-evident fashion, i.e. if it is unlocked by other than authorised personnel, such interference will be evident by damage to a disposable locking element 18.
  • Upper and lower plates 19 and 20 are attached to the envelope 10 near the end of the zip.
  • the closing mechanism of the zip includes a slider 15 with pull tab 16 which, when the zip has been fastened, can lie flat over the upper plate 19, guided by upstanding lugs 19', a central hole in the tab 16 passing over a raised housing 23' integral with the upper plate 19.
  • the housing 23' has a slot-shaped entrance 22 for receiving a disposable locking element 18 of synthetic plastics material.
  • the locking element has a plug part 29, joined by a stem part 28 with a narrow weakened section 31, to a head part 26.
  • the plug part is of flat arrow-head formation with swept back barbs 30 which are resiliently deformable within the general plane of the arrow-head to reduce the span of the barbs. This span in the non-deformed condition is slightly greater than the width of the entrance 22.
  • the plug part 29 can thus be pushed through the entrance 22 with inward deformation of the barbs 30, and after such insertion the barbs return to their original span. withdrawal of the plug part from the housing is then prevented by engagement between the barbs and the internal surface of the housing on each side of the entrance 22.
  • the head part 26 remains outside the housing and lies flat on top of part of the pull tab 16, thereby preventing the pull tab from being lifted.
  • the zip can then only be undone by breaking the locking element at the weakened section 31, thereby permitting the pull tab to be lifted.
  • the disposable locking element has to be inserted into the housing when the zip is in the closed position and not before.
  • the disposable locking elements In many such operations it is often desirable that a seal of selected identity is used with a given container. It would therefore be advantageous if the disposable locking elements could be "pre-loaded” in such a way that they could easily be inserted into the housing on closing of the zip fasteners.
  • the present invention is based on a recognition of this problem and the provision of a solution thereto.
  • the present invention provides a device for locking an article closure member in its article closing position, comprising:
  • a base member 1 which is permanently attached to an article to be locked, such as a re-usable envelope.
  • the article is closed by a zip fastener 2 provided with a slider 3.
  • the base member 1 is adjacent to the end of the zip fastener 2 at the point where it is finally closed by the slider 3.
  • Hinged to the slider 3 is an article closure member 4 such that it acts as a pull tab for the slider.
  • the article closure member 4 is generally rectangular, and comprises side walls 5 and 5', an end wall 6, and a roof 7.
  • the end opposite to the end wall 6 is generally open, but includes a central pillar 8 and a base part 9.
  • the base member 1 extends to one side of the zip 2 and this extended portion 1' is for temporarily holding a disposable locking element 27.
  • the element 27 is made of synthetic plastics material, such as polypropylene which has the required balance of resilient and brittle properties, as described below.
  • the disposable element includes a plug part 32 comprising two arrow-head formations with inwardly directed barbs. The plug part is integral with a head part 33.
  • the closure member 4 is shaped and dimensioned so as to be capable of fitting over the aligning means 11, as shown in Figure 5.
  • the side walls 5 and 5' of the closure member fit on the outside of the side walls 12 and 12', respectively, of the aligning means.
  • the end wall 6 of the closure member is provided with an extended lower end 6' which fits over the edge of the base member 1, and completely obscures access to the chamber defined by the closure member, the aligning means and the base member.
  • This chamber has an end opening defined by the open end of the closure member and the opening 25 in the aligning means.
  • the recess 24 in the aligning means cooperates with the pillar 8 of the closure member to assist in aligning the closure member in its closed position.
  • the inward facing barbs of the plug part 32 constitute an improvement over a conventional arrow head formation with outward facing barbs. Unauthorised interference with locking mechanisms of this type is sometimes effected by inserting a probe through the chamber opening in an attempt to release the barbs of the arrow head formation. It is much more difficult to do this if the barbs face inwardly than if they face outwardly.
  • the disposable element may be made of a plastics material having significant resistance to repair by adhesive means, there is a further impediment to such repair in the present design in that, on breaking, each barb separates from the head part as an individual piece. Consequently, the stress induced by deformation of the barbs when inserted in the base member would be applied directly to the area of a repair should one have to be made.
  • a further improvement is effected by making the closure member 4 of metal, such as a zinc alloy, rather than of plastics material.
  • metal such as a zinc alloy
  • plastics material unauthorised interference can be effected by pushing a hot wire through the housing, and releasing the barbs of the locking mechanism in this way. When the hot wire is removed, the hole may sometimes seal itself and make the interference difficult to detect. However, this is not possible if the closure member is made of metal.
  • Figures 3 to 7 illustrate the use of the locking device with a container closed by a zip fastener, it can also be used with other types of closure device.
  • Figures 8 and 9 show the application of the device to a box-type container 40 having a hinged lid 41.
  • the base member 1 and article closure member 4 have similar construction to that shown in Figures 3 to 7, and corresponding reference numerals are therefore used.
  • the base member 1 is fixed to a side of the box, and the article closure member 4 is hinged to a bar member 42 attached to the lid.
  • the article closure member 4 is hinged outwardly to permit closing of the box lid 41, then hinged inwardly into engagement with the base member 1. Locking is then effected by pushing the disposable element 27 into the opening formed by the article closure member and base member. Unlocking is effected in the same way as described in relation to Figures 3 to 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Closures For Containers (AREA)
  • Centrifugal Separators (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Lock And Its Accessories (AREA)

Claims (4)

  1. Dispositif de verrouillage d'un élément de fermeture d'article (4) dans sa position de fermeture d'article, comprenant :
    un élément de base (1) se fixant à demeure sur l'article et ayant un moyen (11) pour aligner l'élément de fermeture (4) dans ladite position de fermeture d'article de telle sorte qu'il recouvre au moins une partie dudit élément de base;
    le moyen d'alignement (11) définissant au moins une partie d'une entrée prévue pour recevoir une partie d'un élément de verrouillage jetable (27); et
    un élément de verrouillage jetable (27) complètement séparé dudit élément de base (1) et constitué de matière plastique synthétique;
    l'élément jetable (27) ayant une partie mâle enfichable (32) qui peut se déformer élastiquement et peut être introduite par coulissement dans l'entrée dudit moyen d'alignement, mais ne peut pas en être retirée par coulissement;
    l'élément jetable (27) ayant aussi une partie tête (33) reliée à la partie mâle enfichable (32), la partie tête étant extérieure audit moyen d'alignement, et couvrant aussi une partie de l'élément de fermeture (4) pour l'empêcher de se dégager de l'élément d'alignement (11) lorsque la partie mâle enfichable a été introduite dans l'entrée, et pendant qu'il est dans cette position, étant accessible pour être manipulé manuellement afin de permettre à la partie tête (33) d'être enlevée de la partie mâle enfichable (32) par rupture, cela permettant à l'élément de fermeture (4) d'être retirée de l'élément d'alignement (11) et à la partie mâle enfichable maintenant séparée d'être enlevée, après quoi l'élément de base (1) et le moyen d'alignement (11) peuvent être réutilisés avec un nouvel élément jetable pour reverrouiller l'élément de fermeture d'article (4) selon besoin,
       caractérisé en ce que l'élément de base (1) comprend un moyen (34) pour maintenir temporairement l'élément jetable (27) avec la partie mâle enfichable à proximité mais à l'extérieur de ladite entrée, et pour guider l'insertion coulissante de la partie mâle enfichable de l'élément jetable dans ladite entrée.
  2. Dispositif selon la revendication 1, dans lequel le moyen de maintien et de guidage (34) comprend une paire de pattes en saillie présentant des parties supérieures rabattues vers l'intérieur.
  3. Dispositif selon la revendication 1 ou 2 dans lequel la partie mâle enfichable (32) comprend deux éléments en pointe de flèche présentant des barbes dirigées vers l'intérieur.
  4. Dispositif selon l'une quelconque des revendications 1 à 3 dans lequel l'élément de fermeture (4) est réalisé en métal.
EP93300438A 1992-01-21 1993-01-21 Système de verrouillage Expired - Lifetime EP0552959B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929201280A GB9201280D0 (en) 1992-01-21 1992-01-21 A locking device
GB9201280 1992-01-21

Publications (2)

Publication Number Publication Date
EP0552959A1 EP0552959A1 (fr) 1993-07-28
EP0552959B1 true EP0552959B1 (fr) 1997-03-19

Family

ID=10708988

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93300438A Expired - Lifetime EP0552959B1 (fr) 1992-01-21 1993-01-21 Système de verrouillage

Country Status (4)

Country Link
EP (1) EP0552959B1 (fr)
AT (1) ATE150266T1 (fr)
DE (1) DE69308907D1 (fr)
GB (1) GB9201280D0 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES1034706Y (es) * 1996-07-17 1997-06-16 Brooks Todo Seguridad Espana Precinto para bolsas y similares.
AUPP908299A0 (en) * 1999-03-09 1999-04-01 Harcor Security Seals Pty Limited Tamper evident buckle
AU756350B2 (en) * 1999-03-09 2003-01-09 Harcor Security Seals Pty Limited Tamper evident buckle
CZ300392B6 (cs) * 2000-02-21 2009-05-06 Brooks/Todo Seguridad En Espana, S. A. Plomba pro pytle a podobné obaly
AUPQ943200A0 (en) * 2000-08-15 2000-09-07 Tebco Pty Limited Security device
FR2850197B1 (fr) * 2003-01-17 2005-03-04 Noyon & Thiebault Sa Dispositif verrouillable d'identification d'objet
NL1022592C2 (nl) * 2003-02-05 2004-08-06 Transposafe Systems Holland B Reisverpakking, zoals een koffer.
WO2006059154A2 (fr) * 2004-12-02 2006-06-08 Versapak International Limited Dispositif d'etancheite

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2482177A1 (fr) * 1980-05-06 1981-11-13 Emagur Traders Corp Scelle inviolable, en particulier pour le plombage de wagons de chemin de fer, de camions et de conteneurs
BR8200276A (pt) * 1982-01-19 1983-09-27 Lima Castro Netto E De Sistema de selagem para imobilizacao de primeiro e segundos elementos relativamente moviveis
BR8905160A (pt) * 1989-10-11 1991-04-16 Elc Prod Seguranca Ind Porta-rotulo para o fechamento e lacre de malotes e semelhantes,bem como selo de seguranca adequado para uso com o mesmo

Also Published As

Publication number Publication date
EP0552959A1 (fr) 1993-07-28
GB9201280D0 (en) 1992-03-11
DE69308907D1 (de) 1997-04-24
ATE150266T1 (de) 1997-04-15

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