EP2717242A1 - Eingreifschloss für einen Behälter - Google Patents
Eingreifschloss für einen Behälter Download PDFInfo
- Publication number
- EP2717242A1 EP2717242A1 EP12187076.0A EP12187076A EP2717242A1 EP 2717242 A1 EP2717242 A1 EP 2717242A1 EP 12187076 A EP12187076 A EP 12187076A EP 2717242 A1 EP2717242 A1 EP 2717242A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- string
- end portion
- housing
- engagement lock
- opening
- 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.)
- Ceased
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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
- G09F3/0329—Forms or constructions of security seals characterised by the type of seal used having electronic sealing means
- G09F3/0335—Forms or constructions of security seals characterised by the type of seal used having electronic sealing means using RFID tags
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- 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
- the present invention relates to an engagement lock for a container, a housing for an engagement lock for a container, an arresting part for being received in a cavity, a communication unit and a method of operating an engagement lock for a container.
- the present invention relates to an engagement lock for a container having a pair of locking rings or locking eyelets.
- Engagement locks are typically used in the shipping industry for preventing unauthorised opening of the container.
- One type of engagement lock is described in US 2003/0075933 .
- This type of engagement lock has a housing and a pull absorbing string. The string is intended to form a loop through the locking rings and the opposing end portions of the string should subsequently be permanently arrested in the housing. Once locked, the locking rings are joined together and the container cannot be opened unless the engagement lock has been broken.
- Such engagement locks are also known as seals.
- the engagement lock is opened by cutting the string by means of a wire cutter, or a strong pair of scissors or shears.
- the engagement lock is thereafter unusable. Since each engagement lock has a unique identification number, any attempt to open the engagement lock and thereafter replace the engagement lock with a new one will be detected.
- a thief or a person having fraudulent thoughts, e.g. of transporting non legal goods in a container will not use the authorised opening referred to above, since this person does not want the opening and the subsequent closing of the container and the opening and the subsequent closing of the engagement lock to be revealed later on during inspection of the engagement lock.
- a thief or a fraudulent person attempting to transport non legal goods, e.g. drugs, etc in the container will attempt to break the engagement lock and store his "goods" in the container prior to - if at all possible - locking the container again. This person does not want the theft of goods or the addition or replacement of goods to be revealed, e.g.
- US 7 878 561 B2 shows a seal device having an attachment device which may be joined to a connection device and thereby provide an electrical contact.
- WO2007/059161 A1 relates to an electronic tamper evident seal including an integrated circuit for impedance through a shackle.
- WO 2009/048516 A2 relates to an electronic security bolt seal which transmits a tamper condition.
- the bolt being arranged for completing an electronic circuit.
- WO 2011/008871 A1 relates to a security seal including an electrical circuit which is in electrical communication with a first shaft.
- WO 03/042959 A1 relates to a method and apparatus for providing container security with a tag.
- the device includes a bolt which passes through spaced coils generating a magnetic field.
- WO 2005/094172 A2 relates to a monitorable locking assembly.
- the assembly includes a sealing wire including a conductor forming an electrical circuit, the integrity of which is monitored.
- WO 2006/095331 A2 relates to a smart container monitoring system.
- the system includes an electronic seal wire.
- WO 2006/048872 A2 relates to a remotely monitorable electronic locking device including a locking element arranged to engage one end of a conductive loop.
- WO 2004/021299 A1 relates to a smart container monitoring system including an electronic seal and a wireless communicator operable to wirelessly transmit information regarding the status of an electronic seal.
- the engagement lock is securely arrested and at the same time that a well defined electronic circuit is established.
- an engagement lock for a container comprising:
- the above engagement lock is intended to be used for locking the doors of containers by securing the locking rings of the container door by means of the string.
- the word container should however be construed broadly since it is evident that the present engagement lock may be used for other purposes than container doors such as e.g. for securing tank-truck valves, truck trailers, rail wagons, box doors, gates, money bags etc.
- strings of different lengths By using strings of different lengths, a series of locking rings may be locked simultaneous and locking rings located at awkward positions may be achieved.
- the metal core of the string is preferably a flexible steel wire which should be sufficiently flexible for allowing the elements to engage and arrest the string.
- the wire is coated by a flexible insulating material which prevents any electrical conduction between the string and any conductive body outside the engagement lock.
- the flexible insulating material should however be sufficiently soft so that the first and second elements may pierce and penetrate the flexible insulation material and establish an electrical connection with the metal core.
- the elements should define a needle or knife sufficiently rigid for both penetrating the flexible insulating material and arresting the string.
- the string has two ends, and the length of string adjacent the respective ends is designated the first and second end parts, respectively.
- the cross-section of the string is preferably square or alternatively another non-circular cross-section such as elliptical in order for the first element to be able to penetrate the string at a well-defined flat position of the string.
- the housing is typically made of metal or rigid plastics.
- the first and second openings are typically located adjacent each other.
- the openings should have a circumference corresponding to the circumference of the string such that when the first and second end portions of the string are inserted into its respective opening, it should not be possible to manipulate the engagement lock by inserting a tool in-between the string and the opening.
- the first and second openings typically lead to respective channels within the housing.
- a string having a non circular cross-section (typically square) together with an opening having a corresponding cross section typically square
- the string cannot be spun around its own axis as would be the case if the cross section of the string was circular.
- the arresting of the string may fail.
- the cavity of the housing allows the first end portion of the string to be accessed once the first end portion of the string has been inserted into the first opening.
- the cavity typically intersecting the channel corresponding with the first opening.
- the arresting part may be fitted into the cavity or the arresting part may be provided as a loose accessory for being fitted by the user.
- the arresting part When the arresting part is inserted into the cavity, it establishes a first position in which the first end part of the string may be inserted into the first opening of the housing and pushed past the cavity.
- the arresting part may then establish a second position, typically by pushing the arresting part further into the cavity. In the second position, the first element penetrates the flexible insulation material of the string, thereby arresting the first end part of the string relative to the housing.
- arresting should be interpreted to mean that the string is permanently fixed relative to the housing in the sense that the release of the string, and thereby the opening of the container or the like, will require forceful actions against the engagement lock such as e.g. cutting the string by means of a wire cutter or the like.
- the communication unit is typically located within the housing, but it may alternatively be located on the arresting part.
- the arresting part When the arresting part is inserted into the cavity and the second position is established, i.e. when the string is permanently fixed relative to the housing by the first element, the communication unit establishes an electrical connection via the first element to the metal core of the string and back to the communication unit.
- the communication unit is capable of monitoring whether or not the string is intact by sending an electrical current through the metal core of the string. In case the string has been tampered with, the electrical circuit through the string will be interrupted and the communication unit may establish that tampering has taken place.
- the communication unit may further be capable of communicating the information that tampering has taken place.
- the communication may in its simplest form be a visual indicator.
- the arresting part includes a handle having a predetermined breaking point adapted to break off when exposed to an excessive force once the first end portion of the string has been arrested relative to the housing.
- the arresting part may include a handle which in the second position is visible outside the cavity, but which breaks off when an excessive force is applied. A fraudulent person trying to pull the arresting part away will just break off the handle.
- the predetermined breaking point may be a portion of the arresting part which is deliberately weaker and which will withstand the forces applied during piercing when the arresting part is moved from the first position to the second position, but which will break when greater force is applied, i.e. when leveraged tools such as screwdrivers or pliers are used to forcefully move the handle.
- the second end portion of the string is electrically connected to the communication unit.
- the second end portion of the string may be permanently connected to the communication unit by means of e.g. soldering or welding. In this way, the string will be connected to the housing already when shipped to the user and there is thus no risk that the string will be lost.
- the arresting part includes a second element of electrically conductive material for penetrating the plastic coating of the second end portion of the string, arresting the second end portion within the housing and establishing an electrical connection between the communication unit and the metal core of the second end portion of the string.
- the string is a loose accessory.
- the first end portion of the string is arrested as described above.
- the second end portion of the string is arrested by a second element which is identical to the first end portion.
- the second element is electrically connected to the communication unit in order to establish a closed circuit through the string when the arresting part is moved to the second position.
- the housing comprises a third opening opposite the first opening for establishing a first pass through within the housing between the first opening and the third opening for allowing the first end portion of the string to at least partially extend outside the housing.
- the first end portion of the string may be adjusted according to the distance between the locking rings such that a close fit is achieved. Any excessive lengths of the first end portion may be cut off by using a wire cutter.
- the second opening comprise a nipping area for securing the second end portion of the string. It may be difficult to keep the second end portion of the string in the correct position within the housing. In order to keep the second end portion at the correct position while inserting the first end portion and moving the arresting part from the second position to the first position, the second end portion may be held in place by a locking device such as a one way roller. In this way it may be avoided that the arresting part is moved to the second position while the second end portion of the string has not passed the cavity of the housing.
- a locking device such as a one way roller.
- the housing comprises a fourth opening opposite the second opening for establishing a second pass through within the housing between the second opening and the fourth opening for allowing the second end portion of the string to at least partially extend outside the housing.
- both the first and second end portions may be allowed to extend through the housing such that by pulling both of the end portions, a close fit may be achieved.
- the communication unit comprises a wireless communication unit, such as an RFID tag.
- the communication unit may communicate with an external reader by wireless communication.
- an RFID tag is used.
- the RFID tag may also be used for providing energy to the communication unit. In this way, the information whether the engagement lock has been tampered with or not may be transmitted by wireless communication.
- the housing is at least partially made of a transparent plastic material.
- transparent plastic material By using transparent plastic material at least adjacent the cavity, the integrity of the engagement lock may easily be inspected.
- the arresting part is permanently fitted within the cavity or alternatively the arresting part being removable.
- the arresting part may be permanently fitted within the cavity.
- the arresting part is then provided to the user in the first position. Once the first and second end potions of the string have been inserted into the respective opening, the arresting part is moved to the second position. Alternatively, the arresting part is delivered separately.
- the first position may be defined when the arresting part is located completely outside the cavity, i.e. first and second end portions of the string may be inserted into the respective opening before the arresting part is introduced into the cavity. Subsequently the arresting part is introduced into the cavity and moved to the second position in order to arrest the string relative to the housing.
- the flexible insulating material comprises a polymeric material such as ptastics.
- a soft plastic material is used.
- the flexible insulating material may be easily penetrated by the piercing units while still allowing insulation capabilities to be maintained in the non penetrated areas of the string.
- the arresting part includes an arresting section for interlocking with the cavity of the housing once the first end portion of the string has been arrested relative to the housing, the arresting section preferably comprising a snap-fit.
- a snap fit such as a sloped section of the arresting part, may be used in order to prevent an easy removal of the arresting part once the second position has been established and the elements have arrested the string and established an electrical connection with the metal core of the string.
- the communication unit establishes a locked state when an electrical circuit is established from the communication unit via the first element of the arresting part and the metal core and back to the communication unit, and, a tampered state when the electrical circuit is or has been interrupted.
- the communication unit may include a memory which has two states, namely a locked state which is established once the second position has been established and the first element have arrested the string and established electrical connection with the metal core of the string, and, a tampered state which is established in case the electrical circuit from the communication unit via the first element of the arresting part and the metal core and back to the communication unit is broken for whatever reason.
- the state may be communicate to the user, customs officer or other person by using a reader unit.
- a further non-enabled state may be established before the arresting part enters the second portion.
- a housing for an engagement lock for a container, an arresting part for being received into a cavity and a communication unit the engagement lock further including a string comprising a metal core such as a metal wire, the metal core being coated by a flexible insulating material, the string defining a first end portion and a second end portion located opposite the first end portion, the housing comprising a first opening for receiving the first end portion of the string and a second opening for receiving the second end portion of the string, the communication unit being accommodated within the housing or on the arresting part, the arresting part including a first element of electrically conductive material for penetrating the flexible insulating material of the first end portion of the string, arresting the first end portion of the string relative to the housing and establishing an connection between the communication unit and the metal core of the first end portion of the string.
- Fig 1A shows a perspective view of an engagement lock 10 according to the present invention.
- the engagement lock comprises a string 12 and a housing 14.
- the string 12 defines a first end portion 20 and an opposite second end portion 22.
- the string 12 comprises a core comprising a metal wire 16 and an insulating coating comprising a flexible plastic coating 18.
- the string 12 defines a square cross-section which will be discussed below. It is contemplated that other non-circular cross-sections, such as an elliptical cross-section, of the string 12 may have similar advantages as a square cross-section.
- the string 12 is inserted through a pair of locking rings 24 of a container (not shown), typically a freight container.
- the locking rings 24 are arranged such that the container cannot be opened when the locking rings 24 are adjacent each other, typically the locking rings 24 are each located on opposite double doors (not shown), or one of the locking rings may be located on an operating handle (not shown) of the container door and the other locking ring may be located on the container door (not shown).
- the housing 14 is made of a rigid polymeric material such as alternatively a metal material such as aluminium, iron, zinc or similar corrosion resistant metals.
- the housing 14 comprises a first opening 26 and an adjacent second opening 28 adapted for receiving the first end portion 20 and the second end portion 22, respectively, of the string 12.
- the openings 26, 28 define a square cross-section. In this way the string 12, once the end portions 20, 22 have been inserted into the respective openings 26, 28, cannot be spun around its own axis as would be the case if the cross-section of the string 12 was circular. Further, a square cross-section forms a well-defined flat surface for the arresting of the string which will be discussed in detail below.
- the first and second openings 26, 28 communicate with respective first and second channels 30, 32 within the housing 14.
- the first channel 30 further communicate with a third opening 34 opposite the first opening 26, whereas the second channel 32 defines a closed channel, i.e. ends in a wall.
- the upper housing part 14a located adjacent the first and second openings 26, 28, is in the present embodiment opaque, whereas the lower housing part 14b located adjacent the third opening is transparent. This allows for a visual inspection of the lower housing part 14b.
- the intersection between the upper housing part 14a and the lower housing part 14b defines a cavity 36 which allows access to the first and second channels 30, 32.
- the cavity comprises an arresting part 38 which will be explained in more detail below.
- the arresting part 38 defines a handle 40. Adjacent the cavity 36, a wireless communication unit in the form of an RFID tag 42 is located.
- Fig 1B shows a perspective view of the engagement lock 10 according to the present invention before the engagement lock 10 has been arrested.
- the first end portion 20 of the string 12 has now been inserted into the first channel 30 via the first opening 26 and the second end portion 22 of the string 12 has been inserted into the second channel 32 via the second opening 28.
- the circumference of the first opening 26 and the second opening 28 should match the circumference of the string 12 in order to avoid any significant gap between the string 12 and the respective first and second openings 26, 28.
- the first end portion 20 of the string 12 will extend through the third opening 34 such that the length of the part of the string 12 extending between the first and second openings 26, 28 may be adjusted by simply pulling or pushing the first end portion 20 of the string 12.
- Fig 1C shows a perspective view of the engagement lock 10 according to the present invention after the engagement lock 10 has been arrested.
- the arresting part 38 has now been pushed in an inward direction as shown by the arrow by using the handle 40, from a first position in which the handle 40 of the arresting part 38 extends slightly outside the housing 12, to a second position in which the handle 40 of the arresting part 38 is located adjacent the housing 12.
- the arresting part 38 will arrest the strung 12 such that the strung 12 cannot be moved in relation to the housing.
- the container now shown
- the string 12 In order to open the engagement lock 10, the string 12 must be cut by using a wire cutter or similar device (not shown).
- the arresting part 38 is permanently arrested in the second position, i.e. it cannot return to the first position without significantly damaging the engagement lock 10.
- the arresting part 38 further connects to the RFID tag 42 as will be described in more detail below.
- Fig 1D shows a perspective view of the engagement lock 10 according to the present invention when the RFID tag 42 is being read.
- the information stored in the RFID tag 42 may be read by a customs officer or other person inspecting the engagement lock 10.
- the information stored in the RFID tag 42 may include basic data, such as an identification number or the like, which uniquely identifies the engagement lock. In this way the customs officer may determine whether the engagement lock 10 is authentic or has been replaced by a fraudulent person.
- the RFID tag 42 may include information about whether the engagement lock 10 has been tampered with, e.g. whether or not the string 12 has been cut and replaced.
- RFID tag 42 may be scrambled and/or read-only, such that any attempt to manipulate or misuse the information is prevented.
- Fig 1E shows a cross-sectional view of the engagement lock 10 according to the present invention.
- the first and second channels 30, 32 each include an optional locking device 46 in the form of a roller.
- the locking device 46 cooperates with the string 12 and the respective first and second channels 30, 32 for preventing that the respective first and second end portions 20, 22 of the string 12 may be pulled out of the respective first and second channels 30, 32 before the arresting part 38 has arrested the respective first and second end portions 20, 22 of the string 12. I this way the user may focus his attention on the first end portion 20 of the string 12 and by pulling the first end portion 20 through the third opening ensure that a snug fit of the string 12 is achieved with respect to the locking rings of the container (not shown).
- the arresting part 38 of the present embodiment includes an arresting section in the form of a wedge 48 which permanently arrests the arresting part 38 in the second position by acting against an inner wall of the housing 14. In this way, the arresting part 38 cannot again be pulled out of the cavity 36.
- a predetermined breaking point 50 is located between the handle 40 and the wedge 48 of the arresting part 38. In this way, the handle 40 will simply break off in case a fraudulent person attempts to use any forceful actions in order to remove the arresting part 38. The lack of a handle 40 on the engagement lock 10 will of course alert the customs officers.
- Fig 1F shows a detailed view of the arresting part 38 and the RFID tag 42 according to the present invention and as shown in fig 1 .
- the RFID tag 42 which is here shown without antennas, includes a control unit 52 which is in electrical communication with a first sliding contact 54 and a separate second sliding contact 56.
- the first sliding contact 54 is contacting a first element 58 of the arresting part 38 and the second sliding contact 56 is contacting a second element 60 of the arresting part 38. There is no direct contact between the first element 58 and the second element 0.
- the first element 58 and the second element 60 are both spaced apart from the string 12, whereas in the present second position of the arresting part 38, the first element 58 is penetrating the plastic coating 18 of the string 12 and thereby establishes an electrical contact with the metal wire 16 at the first end portion 20 of the string 12 and arrests the string 12 relative to the housing 14.
- the second element 60 is penetrating the plastic coating 18 of the string 12 and thereby establishes an electrical contact with the metal wire 16 at the second end portion 22 of the string 12 and arrests the string 12 relative to the housing 14.
- An electrical circuit may thereby be established from the control unit 52 of the RFID tag 42, via the first sliding contact 54 of the RFID tag 42, the first element 58 of the arresting part 38, the first and second end portions 20, 22 of the string 12, the second element 60 and the second sliding contact 56 to the control unit 52.
- the first and second elements 58, 60 will either cause significant damage to the string 12 and prevent a new string 12 from being inserted, or, alternatively, the first and second elements 58, 60 will bend in the direction of the force and make it impossible to arrest the string and electrically connect the first and second elements 54, 56 with a new string 12.
- the removal, even briefly, of the string 12 from the housing 14 will interrupt the electrical circuit.
- the interruption will be detected by the control unit 52 and even in case a skilled fraudulent person did replace the string 12 in such a skilful manner that a visual inspection would not reveal that the engagement lock had been opened, the control unit 52 of the RFID tag 42 would have detected the removal of the string 12 and consequently when the RFID tag 42 is read by the RFID reader 44, the customs officer will be notified of the fraud and a more thoroughly inspection of the engagement lock, container and cargo may be initiated.
- Figs 2A-D show a perspective view of an alternative embodiment of an engagement lock 10' which is identical to the previous engagement lock 10 as shown in connection with fig 1 except that the housing 14 is provided with a fourth opening 62 opposite the second opening 28.
- the fourth opening 62 allows the second end portion 22 of the string 12 to partially extend outside the housing 14. In this way both the first end portion 20 and the second end portion 22 of the string may be pulled in order to achieve a snug fit of the string 12 in relation to the locking rings 24.
- Fig 2E shows a cross section view of the engagement lock 10'.
- the interior of the engagement lock 10' is identical to the previous engagement lock 10 except that the first and second channels 30, 32 now lack any locking device for the reason that the second end portion 22 of the string 12 should now extend outside the housing 14 and be adjustable together with the first end portion 20 of the string 12.
- Fig 2F shows a detailed view of the arresting part 38 and the RFID tag 42 according to the present invention which as such are identical to the arresting part and the RFID tag as shown in fig 1F .
- Fig 3A-D show a perspective view of yet an alternative embodiment of an engagement lock 10" which is identical to the previous engagement lock 10' as shown in connection with fig 2 except that the housing 14 lacks a fourth opening 62 opposite the second opening 28.
- the fourth opening 62 allows the second end portion 22 of the string 12 to partially extend outside the housing 14, however, the first end portion 20 of the string 12 is permanently fixed inside the housing 14 as will be described in more detail below. In this way there is no risk of misplacing the string 12.
- Fig 3E shows a cross section view of the engagement lock 10".
- the interior of the engagement lock 10" is identical to the previous engagement lock 10' except that the second channel 32 now is closed off and the first end portion 20 of the string 12 is welded or soldered onto the first sliding contact 54' which now constitutes a first contact connected to the control unit 52.
- the arresting part 38' now is shorter and includes only a second element 60 and no first element.
- the arresting part 38' which now optionally may be completely removed from the cavity 36 thus only extend into the cavity 36 as far as to reach the second channel 32.
- Fig 3F shows a detailed view of the arresting part 38 and the RFID tag 42 according to the present invention which as such are identical to the arresting part and the RFID tag except that the first element has been omitted and the first end portion 20 of the string 12 is directly welded or soldered onto the first contact 54'.
- Fig 4A-D show a perspective view of a yet more an alternative embodiment of an engagement lock 10'" which as such is similar to the engagement lock 10 of fig 1 , however, the arresting part 38 and the cavity 36 have been shifted by 90°
- Fig 5A shows a side view of the RFID tag 42.
- the RFID tag 42 comprises a RFID antenna 64.
- the RFID antenna 64 is connected to the control unit 52.
- the RFID antenna 64 is used for the wireless communication with the RFID reader (not shown here) and may optionally be used for receiving power to the control unit 52.
- the control unit may also alternatively or in addition be powered by a battery (not shown).
- Fig 5B shows a side view of the arresting part 38.
- the first element 58 and the second element 60 are typically made of metal in order to be both rigid and electrically conductive.
- the wedge 48 has a sloped shape for being able to be inserted into the cavity of the housing, while preventing it to be removed, once it has achieved a snap fit interlock with the inner wall of the housing.
- Fig 5C shows a top view of the arresting part 38.
- the first element 58 and the second element 60 are adapted for sliding against and contacting the respective first sliding contact 54 and second sliding contact 56.
- Fig 5D shows a top view of the RFID tag 42 when produced.
- the first and second sliding contacts 54, 56 both exhibit holes for the string to pass through.
- Fig 5E shows a perspective view of the RFID tag 42 when the RFID antennas are being bend in the direction of the arrows in order to allow the RFID tag 42 to fit into the housing.
- Fig 5E shows a perspective view of the final RFID tag 42 ready to be fitted into the housing.
- Fig 6A shows a alternative embodiment of an arresting part 38' when a first end portion of the 20 string 12 is pushed past the arresting part 38'.
- the alternative embodiment of the arresting part 38' may be fixedly installed into the cavity of the housing (not shown) and must not be pushed into the cavity, it is sufficient to push the string 12 into the opening of the housing (not shown).
- the present embodiment of the arresting part 38' comprises a first element 58' which is flexible.
- the string 12 may be pushed in a upward direction, i.e. inwardly from one of the first or second openings of the housing (not shown), and the first element 58' will flex in the same inwardly direction as the string 12 is moving. The string 12 will thereby not be penetrated.
- Fig 6B shows the alternative embodiment of the arresting part 38' when the string 12 is pulled in an outward direction, i.e. towards the first or second opening of the housing (not shown).
- the first element 58' will thereby flex back and penetrate the plastic coating 18 of the string 12, arrest the string 12 and establish a conductive path with the metal wire 16 of the string 12.
- the string 12 may thus not be removed from the housing (not shown). It is evident that the above arresting principle may be used in any of the embodiments shown in the previous figures 1-5 .
- Fig 6C shows the alternative embodiment of the arresting part 38' when the first element 58' has penetrated the plastic coating 18 and established a conductive relationship with the metal wire 16 of the string 12.
- Fig 7A-C shows a alternative embodiment of an arresting part 38" which is similar to the arresting part 38' shown in connection with fig 6A-C , except that the first element pierces the string 12 at four points of the string 12 instead of only one point of the string. This will allow a better arrestment of the string 12 and also a better conductive relationship with the metal wire 16 of the string 12.
- engagement lock has been described above with reference to specific embodiments, it is evident to a skilled person that numerous modifications can be made, such as simple combinations of the presented embodiment.
- engagement lock for containers may be used for similar locking purposes such as locking of tank-truck valves, truck trailers, rail wagons, box doors, gates, money bags etc.
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP12187076.0A EP2717242A1 (de) | 2012-10-03 | 2012-10-03 | Eingreifschloss für einen Behälter |
PCT/EP2013/070555 WO2014053551A1 (en) | 2012-10-03 | 2013-10-02 | Engagement lock for a container |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12187076.0A EP2717242A1 (de) | 2012-10-03 | 2012-10-03 | Eingreifschloss für einen Behälter |
Publications (1)
Publication Number | Publication Date |
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EP2717242A1 true EP2717242A1 (de) | 2014-04-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP12187076.0A Ceased EP2717242A1 (de) | 2012-10-03 | 2012-10-03 | Eingreifschloss für einen Behälter |
Country Status (1)
Country | Link |
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EP (1) | EP2717242A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014096928A1 (en) * | 2012-12-17 | 2014-06-26 | Nfident Dwc-Llc | Secure sealing device and method |
EP3064678A1 (de) * | 2015-03-05 | 2016-09-07 | Viasat Group S.p.A. | Telematische satellitenverriegelung für einen container |
WO2018091053A1 (en) * | 2016-11-15 | 2018-05-24 | Lyngsoe Systems Ltd | Electronic cable seal |
RU2720974C2 (ru) * | 2015-09-02 | 2020-05-15 | АВАЛОС Дарио ИТУРРИА | Гарантийная пломба для контроля вскрытия счетчиков потребления электроэнергии |
Citations (12)
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US20150337564A1 (en) * | 2012-12-17 | 2015-11-26 | Nfident Dwc-Llc | Secure sealing device and method |
US9745782B2 (en) | 2012-12-17 | 2017-08-29 | Nfident Dwc-Llc | Secure sealing device and method |
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RU2720974C2 (ru) * | 2015-09-02 | 2020-05-15 | АВАЛОС Дарио ИТУРРИА | Гарантийная пломба для контроля вскрытия счетчиков потребления электроэнергии |
WO2018091053A1 (en) * | 2016-11-15 | 2018-05-24 | Lyngsoe Systems Ltd | Electronic cable seal |
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