EP1154392B1 - Security seals - Google Patents
Security seals Download PDFInfo
- Publication number
- EP1154392B1 EP1154392B1 EP01201632A EP01201632A EP1154392B1 EP 1154392 B1 EP1154392 B1 EP 1154392B1 EP 01201632 A EP01201632 A EP 01201632A EP 01201632 A EP01201632 A EP 01201632A EP 1154392 B1 EP1154392 B1 EP 1154392B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- seal
- body portion
- recess
- cap
- screw
- 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
Links
Images
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
- G09F3/0323—Forms or constructions of security seals characterised by the type of seal used having clamp-like sealing means
-
- 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
- G09F3/0317—Forms or constructions of security seals characterised by the type of seal used having bolt like sealing means
Definitions
- the present invention relates to security seals and is more particularly, although not exclusively, concerned with the sealing of meter covers using screw arrangements.
- a screw In current electricity meters, a screw is used to secure a cover thereof and it is then sealed by passing Bowden cable through a cross-hole provided in the screw head and into a mating hole or slot in an adjacent portion of the cover and secured to restrict subsequent rotational movement of screw.
- two sealing tags may be used - one tag being fixed by the screw and the other being slotted into the fixed tag to cover a standard screw head, the tags being sealed with Bowden cable.
- the loose sealing tag can be misplaced when authorised opening of the cover takes place
- FR-A-2,216,802 provides a security seal according to the preamble of claim 1 for a screw wherein an integrally formed moulding of a piece part to be secured includes a hinged member which prevents access to the screw without breaking a sealed tab. If the seal is damaged, the whole piece part moulding must be replaced.
- a security seal for a screw according to claim 1 comprising a strip of material, having:-
- each hinge portion can comprise a reduced thickness section within the strip of material. It is preferred that the cap portion is connected to the body portion by means of a second and a third hinge.
- the body portion, the tab portion and the cap portion are integrally formed, and may comprise a substantially flat strip of material.
- the strip of material comprises a plastics material, preferably, polypropylene.
- the strip of material may be substantially elongate, and the body portion is substantially rectangular.
- Wire means may further be provided for securing the cap portion over the body portion, the wire means passing through the second aperture over the cap portion after the tab portion has engaged the third aperture.
- an electricity meter comprising a housing and a cover, the cover having a recess in which a security seal as described above is located.
- a method of securing a cover using a security seal as described above, the cover having a recess formed therein for receiving the seal comprising the steps of:-
- FIG. 1 illustrates a seal 10 in accordance with the present invention.
- the seal 10 comprises a single integral moulding 12 having a body portion 14 with a hole 16, a cap portion 18 with a cap 20 and a slot 22, and a tab portion 24 with a hole 26 formed therein.
- Hinges 28, 30, 32 are also formed as shown using well-known injection moulding techniques.
- the hole 16 of body portion 14 receives a screw (not shown) and then, as the screw is tightened, the seal 10 is folded along hinge 28 and hinge 30 as the body portion 14 is drawn to the base of a recess (not shown).
- the cap portion 18 can then be folded over along hinge 32 so that the cap 20 thereof covers the screw head (not shown) and tab portion 24 is inserted into slot 22 of cap portion 18, such that hole 26 is above the slot 22, and sealing wire (not shown) can be inserted into hole 26 in the tab portion 24.
- the tab portion 24 When the screw 44 has reached the end of its travel, the tab portion 24 is upstanding and is substantially perpendicular to body portion 14, as shown in Figure 3, and cap portion 18 is in a position, hinged about hinge 30, such that it can be folded along hinge 32 in the direction of arrow 54 so that cap 20 of cap portion 18 fits over head 56 of screw 44 and slot 22 fits over end 58 of the upstanding tab portion 24 with hole 26 being above the slot 22.
- the assembled seal 10 is shown in Figure 4 where a sealing wire 60 has been passed through hole 26 to retain the cap portion 18 below the hole 26.
- Figures 5 to 7 illustrate an electricity meter 70 having a housing 72 to which a cover 74 is which is to be sealed.
- the cover 74 corresponds to the cover 42 of Figures 2 to 4 and Figures 5 to 7 correspond to respective ones of Figures 2 to 4.
- the seal 10 is placed on the cover 74 over a recess therein (not shown). Screw 44 is tightened and the seal 10 folds along hinges 28 and 30 to the position shown in Figure 6 and the cap portion 18 is folded over along hinge 32 so that hole 26 of tab portion 24 extends through slot 22 so that the sealing wire 60 can be threaded through the hole 26 and sealed in a loop with a crimp 76 as shown in Figure 7.
- the seal 10 of the present invention can also be used in a shallow recess 80 formed in a cover 82 as shown in Figures 8 to 10.
- the recess 80 has a hole 84 formed in its base for receiving a screw 86.
- the seal 10 is initially placed over the recess 80 such that the body portion 14 lies over the recess 80.
- Screw 86 is placed into hole 16 and screwed down into hole 84 formed in the bottom of the recess 80 in the direction indicated by arrow 88.
- the body portion 14 of the seal 10 is drawn down towards the bottom of the recess 80.
- tab portion 24 folds up in the direction indicated by arrow 90 along hinge 28
- cap portion 18 folds up in the direction indicated by arrow 92 along hinge 30. Again, this folding action is produced by the shape of the recess 80.
- the tab portion 24 When the screw 86 has reached the end of its travel, the tab portion 24 is upstanding and is substantially perpendicular to body portion 14, as shown in Figure 9, and cap portion 18 is in a position, hinged about hinge 30, such that it can be folded along hinge 32 in the direction of arrow 94 so that cap 20 of cap portion 18 fits over head 96 of screw 86 and slot 22 fits over end 58 of the upstanding tab portion 24 with hole 26 being above the slot 22.
- the assembled seal 10 is shown in Figure 10 where a sealing wire 60 has been passed through hole 26 to retain the cap portion 18 below the hole 26 as before.
- the cap 20 of cap portion 18 is sized to accommodate the head of the screw used.
- the screw 44, 86 can be a conventional screw of a suitable length for the hole 46, 84 in the base of the recess 40, 80 formed in the cover 42, 82.
- the screw 44, 86 may be a standard slotted cheese head screw.
- the depth of the recess within which the seal 10 of the present invention is to be used must be at least as deep as the thickness of the body portion 14 thereof. This has the effect of preventing access to the body portion 14 within the recess.
- the body portion 14 of the seal 10 is substantially rectangular and fits within a substantially rectangular recess.
- any other suitable shape could be used for the body portion 14 and/or recess with the proviso that rotation of the seal within the recess is to be prevented.
- the seal of the present invention has the advantage that, in use, it is captive, that is, it is retained in its recess by the screw. Furthermore, the assembled seal provides an anti-tamper or tamper evident device.
- the seal 10 can be made of any suitable thermoplastic material, for example, polypropylene, which allows the formation of the hinges 28, 30, 32 and which allows the hinges to be repeatedly flexed without fracturing.
- a thermoplastic material By using a thermoplastic material, the seal is simple and inexpensive to produce. Any standard screw can be used which makes it inexpensive compared with the cross-drilled screw described above.
- thermoplastic materials may also be suitable for manufacturing the seal.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Closures For Containers (AREA)
- Materials For Medical Uses (AREA)
- Casings For Electric Apparatus (AREA)
- Lock And Its Accessories (AREA)
Abstract
Description
- The present invention relates to security seals and is more particularly, although not exclusively, concerned with the sealing of meter covers using screw arrangements.
- It is known to fasten the covers or doors of equipment using screws. However, in many situations, these covers or doors need to be sealed to prevent unauthorised access to the equipment under the cover or door. One example of such equipment is an electricity meter.
- In current electricity meters, a screw is used to secure a cover thereof and it is then sealed by passing Bowden cable through a cross-hole provided in the screw head and into a mating hole or slot in an adjacent portion of the cover and secured to restrict subsequent rotational movement of screw.
- However, such security measures requires the screw to be cross-drilled to provide the location for the Bowden cable and hence such a screw becomes a non-standard, expensive item. Moreover, complex tooling is often required to provide the mating cross-hole or slot in the cover.
- Whilst other methods of forming a cross-hole in cover can be achieved using simpler tooling, other problems are created relating to environmental sealing due to an opening being formed in the cover by the open/shut tooling.
- As an alternative to the screw arrangement described above, two sealing tags may be used - one tag being fixed by the screw and the other being slotted into the fixed tag to cover a standard screw head, the tags being sealed with Bowden cable. However, in this case, the loose sealing tag can be misplaced when authorised opening of the cover takes place
- FR-A-2,216,802 provides a security seal according to the preamble of claim 1 for a screw wherein an integrally formed moulding of a piece part to be secured includes a hinged member which prevents access to the screw without breaking a sealed tab. If the seal is damaged, the whole piece part moulding must be replaced.
- It is therefore an object of the present invention to provide an improved security seal which overcomes the problems described above. In accordance with the present invention, there is provided a security seal for a screw according to claim 1, the seal comprising a strip of material, having:-
- a body portion with a first aperture formed therein through which the screw can be inserted;
- a tab portion connected to the body portion by at one end thereof by means of a first hinge, the tab portion having a second aperture formed therein remote from the body portion; and a cap portion connected to the body portion by a hinge portion, the cap portion having a third aperture formed therein remote from the body portion and being constructed so as to be folded over the body portion so that the third aperture engages the tab portion; wherein the seal is operably positioned within a recess, the shape of the recess corresponding in shape to the body portion, such that, upon insertion of the screw, the hinges, in co-operation with the recess, cause a folding action of the tab and cap portions whereby the third aperture can provide, with the cap portion, a tamper-evident seal.
- Conveniently each hinge portion can comprise a reduced thickness section within the strip of material. It is preferred that the cap portion is connected to the body portion by means of a second and a third hinge.
- Advantageously, the body portion, the tab portion and the cap portion are integrally formed, and may comprise a substantially flat strip of material. The strip of material comprises a plastics material, preferably, polypropylene.
- The strip of material may be substantially elongate, and the body portion is substantially rectangular.
- Wire means may further be provided for securing the cap portion over the body portion, the wire means passing through the second aperture over the cap portion after the tab portion has engaged the third aperture.
- In accordance with another aspect of the present invention, there is provided an electricity meter comprising a housing and a cover, the cover having a recess in which a security seal as described above is located.
- In accordance with a further aspect of the present invention, there is provided a method of securing a cover using a security seal as described above, the cover having a recess formed therein for receiving the seal, the method comprising the steps of:-
- placing the body portion of the seal over the recess;
- screwing the body portion into the recess thereby causing the tab portion and the cap portion to fold towards the body portion due to the presence of the recess;
- folding the cap portion over the body portion so that the third aperture engages the tab portion; and
- applying a sealing wire to the second aperture over the cap portion to close the seal.
- For a better understanding of the present invention, reference will now be made, by way of example only, to the accompanying drawings in which:-
- Figure 1 illustrates a seal in accordance with the present invention;
- Figure 2 is a cross-sectional view through a portion of a cover, the seal of the present invention and a fixing screw in a first step of assembly of the seal in a deep recess formed in the cover;
- Figure 3 is a cross-sectional view illustrating a further step of assembly of the seal in a deep recess;
- Figure 4 is a cross-sectional view illustrating a final step of assembly of the seal in a deep recess;
- Figures 5, 6 and 7 correspond respectively to Figures 2, 3 and 4 and illustrate how the seal of the present invention can be use on a cover of an electricity meter;
- Figure 8 is a cross-sectional view through a portion of a cover, the seal of the present invention and a fixing screw in a first step of assembly of the seal in a shallow recess formed in the cover;
- Figure 9 is a cross-sectional view illustrating a further step of assembly of the seal in a shallow recess; and
- Figure 10 is a cross-sectional view illustrating a final step of assembly of the seal in a shallow recess.
- Whilst the present invention will be described with reference to a security seal on an electricity meter, it will readily be appreciated that the seal of the present invention has applicability to many other situations where it is desired to seal a closure using a screw to prevent unauthorised access.
- Figure 1 illustrates a
seal 10 in accordance with the present invention. Theseal 10 comprises a singleintegral moulding 12 having abody portion 14 with ahole 16, acap portion 18 with acap 20 and aslot 22, and atab portion 24 with ahole 26 formed therein.Hinges - In use, the
hole 16 ofbody portion 14 receives a screw (not shown) and then, as the screw is tightened, theseal 10 is folded alonghinge 28 and hinge 30 as thebody portion 14 is drawn to the base of a recess (not shown). Thecap portion 18 can then be folded over alonghinge 32 so that thecap 20 thereof covers the screw head (not shown) andtab portion 24 is inserted intoslot 22 ofcap portion 18, such thathole 26 is above theslot 22, and sealing wire (not shown) can be inserted intohole 26 in thetab portion 24. - It will become apparent how the
seal 10 of the present invention operates when described in more detail with reference to Figures 2 to 10. - Turning now to Figures 2 to 4, the assembly of the
seal 10 of the present invention in adeep recess 40 in acover portion 42 using ascrew 44 will be described. Theseal 10 is initially placed over therecess 40 such that thebody portion 14 lies over therecess 40.Screw 44 is placed intohole 16 and screwed down into ahole 46 formed in the bottom of therecess 40 in the direction indicated byarrow 48. As thescrew 44 is tightened, thebody portion 14 of theseal 10 is drawn down towards the bottom of therecess 40. As this happens,tab portion 24 folds up in the direction indicated byarrow 50 alonghinge 28, andcap portion 18 folds up in the direction indicated byarrow 52 alonghinge 30. This folding action is produced by the shape of therecess 40. It is to be noted that therecess 40 also prevents rotation of theseal 10/screw 44 arrangement. - When the
screw 44 has reached the end of its travel, thetab portion 24 is upstanding and is substantially perpendicular tobody portion 14, as shown in Figure 3, andcap portion 18 is in a position, hinged abouthinge 30, such that it can be folded alonghinge 32 in the direction of arrow 54 so thatcap 20 ofcap portion 18 fits overhead 56 ofscrew 44 andslot 22 fits overend 58 of theupstanding tab portion 24 withhole 26 being above theslot 22. The assembledseal 10 is shown in Figure 4 where asealing wire 60 has been passed throughhole 26 to retain thecap portion 18 below thehole 26. - Figures 5 to 7 illustrate an
electricity meter 70 having ahousing 72 to which acover 74 is which is to be sealed. Thecover 74 corresponds to thecover 42 of Figures 2 to 4 and Figures 5 to 7 correspond to respective ones of Figures 2 to 4. As shown in Figure 5, theseal 10 is placed on thecover 74 over a recess therein (not shown).Screw 44 is tightened and theseal 10 folds alonghinges cap portion 18 is folded over alonghinge 32 so thathole 26 oftab portion 24 extends throughslot 22 so that thesealing wire 60 can be threaded through thehole 26 and sealed in a loop with acrimp 76 as shown in Figure 7. - The
seal 10 of the present invention can also be used in ashallow recess 80 formed in acover 82 as shown in Figures 8 to 10. Therecess 80 has ahole 84 formed in its base for receiving ascrew 86. Theseal 10 is initially placed over therecess 80 such that thebody portion 14 lies over therecess 80.Screw 86 is placed intohole 16 and screwed down intohole 84 formed in the bottom of therecess 80 in the direction indicated byarrow 88. As thescrew 86 is tightened, thebody portion 14 of theseal 10 is drawn down towards the bottom of therecess 80. As this happens,tab portion 24 folds up in the direction indicated byarrow 90 alonghinge 28, andcap portion 18 folds up in the direction indicated byarrow 92 alonghinge 30. Again, this folding action is produced by the shape of therecess 80. - When the
screw 86 has reached the end of its travel, thetab portion 24 is upstanding and is substantially perpendicular tobody portion 14, as shown in Figure 9, andcap portion 18 is in a position, hinged abouthinge 30, such that it can be folded alonghinge 32 in the direction of arrow 94 so thatcap 20 ofcap portion 18 fits overhead 96 ofscrew 86 andslot 22 fits overend 58 of theupstanding tab portion 24 withhole 26 being above theslot 22. The assembledseal 10 is shown in Figure 10 where asealing wire 60 has been passed throughhole 26 to retain thecap portion 18 below thehole 26 as before. - It will readily be appreciated that the
cap 20 ofcap portion 18 is sized to accommodate the head of the screw used. In this case, thescrew hole recess cover screw - It will also be appreciated that the depth of the recess within which the
seal 10 of the present invention is to be used must be at least as deep as the thickness of thebody portion 14 thereof. This has the effect of preventing access to thebody portion 14 within the recess. - Advantageously, the
body portion 14 of theseal 10 is substantially rectangular and fits within a substantially rectangular recess. However, it will be appreciated that any other suitable shape could be used for thebody portion 14 and/or recess with the proviso that rotation of the seal within the recess is to be prevented. - The seal of the present invention has the advantage that, in use, it is captive, that is, it is retained in its recess by the screw. Furthermore, the assembled seal provides an anti-tamper or tamper evident device.
- The
seal 10 can be made of any suitable thermoplastic material, for example, polypropylene, which allows the formation of thehinges - It will be appreciated that materials other than thermoplastic materials may also be suitable for manufacturing the seal.
Claims (13)
- A security seal (10) for a screw, the seal comprising a strip of material, having:-a body portion (14) with a first aperture (16) formed therein through which the screw can be inserted;a tab portion (24) connected to the body portion at one end thereof by means of a first hinge (28), the tab portion having a second aperture (26) formed therein remote from the body portion; anda cap portion (18) connected to the body portion by a second hinge portion (30, 32), the cap portion having a third aperture (22) formed therein remote from the body portion and being constructed so as to be folded over the body portion so that the third aperture engages the tab portion;characterised in that the seal is operably positioned within a recess (40), the shape of the recess (40) corresponding in shape to the body portion (14), such that, upon insertion of a screw, the hinges (28, 30, 32), in co-operation with the recess (40) cause a folding action of the tab (24) cap (18) portions whereby the third aperture (22) can provide, with the cap portion (18) a tamper-evident seal.
- A seal according to claim one wherein each hinge portion is defined by a reduced thickness section of strip material.
- A seal according to claim 1 or 2, wherein the second hinge between the cap portion and the body portion comprises two hinges (30, 32).
- A seal according to any one of the preceding claims, wherein the body portion, the tab portion and the cap portion are integrally formed.
- A seal according to claim 4, wherein the body portion, the tab portion and the cap portion comprise a substantially flat strip of material.
- A seal according to claim 4 or 5, wherein the strip of material comprises a plastics material.
- A seal according to claim 5, wherein the plastics material comprises polypropylene.
- A seal according to any one of claims 5 to 7, wherein the strip of material is substantially elongate.
- A seal according to claim 8, wherein the body portion is substantially rectangular.
- A seal according to any one of the preceding claims, further comprising wire means (60) for securing the cap portion over the body portion, the wire means passing through the second aperture over the cap portion after the tab portion has engaged the third aperture.
- An electricity meter comprising a housing and a cover, the cover having a recess in which a security seal according to any one of the preceding claims is located.
- A method of securing a cover using a security seal (10) according to any one of claims 1 to 9, the cover including the recess (40) formed therein for receiving the seal, the method comprising the steps of:-placing the body portion (14) of the seal over the recess;by means of a screw-fastener, screwing the body portion into the recess thereby causing the tab portion (24) and the cap portion (18) to fold towards the body portion about the hinge portions (28, 30, 32) due to the presence of the recess;folding the cap portion (18) over the body portion so that the third aperture (22) engages the tab portion; andapplying a seal to the tab portion whereby to provide a tamper evident seal.
- A method according to claim 12, wherein the tab portion is provided with an aperture (26), the method comprising the further step of inserting a wire (60) therethrough and retaining the cap portion between the hole (26) and the body portion.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0010865A GB2361978B (en) | 2000-05-06 | 2000-05-06 | Security seals |
GB0010865 | 2000-05-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1154392A2 EP1154392A2 (en) | 2001-11-14 |
EP1154392A3 EP1154392A3 (en) | 2002-01-02 |
EP1154392B1 true EP1154392B1 (en) | 2006-08-30 |
Family
ID=9891022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01201632A Expired - Lifetime EP1154392B1 (en) | 2000-05-06 | 2001-05-03 | Security seals |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1154392B1 (en) |
AT (1) | ATE338326T1 (en) |
DE (1) | DE60122617T2 (en) |
GB (1) | GB2361978B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITPD20020035U1 (en) * | 2002-04-30 | 2003-10-30 | Llexan Internat Srl Unipersona | REUSABLE SEAL APPLICABLE TO A THINNER PORTION OF COMMERCIAL ITEM |
GB2469474B (en) * | 2009-04-15 | 2013-01-30 | Vip System Ltd | Tamper-evident lock |
EP2246674A1 (en) * | 2009-04-27 | 2010-11-03 | Actaris SAS | Remote meter reading module |
CN102849330A (en) * | 2012-09-04 | 2013-01-02 | 无锡市健龙电器有限公司 | Lead sealing device |
DE202021002177U1 (en) * | 2021-06-24 | 2021-07-12 | Abn Gmbh | Device for sealing screws |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7823456U1 (en) * | 1978-11-16 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Access lock for a screw | |
CH403917A (en) * | 1963-10-07 | 1965-12-15 | Baechli Theodor | Locking device for connecting two parts |
CH554129A (en) * | 1972-12-28 | 1974-09-13 | Landis & Gyr Sarl | DEVICE TO PREVENT UNAUTHORIZED LOOSENING OF A FASTENING ELEMENT BETWEEN AN EQUIPMENT HOUSING AND ITS SUPPORT. |
HU181972B (en) * | 1979-06-06 | 1983-11-28 | Telefongyar | Method and sealing device for indicating unauthorized opening |
DE9103388U1 (en) * | 1991-03-20 | 1991-06-20 | Hardo-Befestigungen Gmbh, 5760 Arnsberg | Fastening element for fixing heat-insulating panels |
JPH1019027A (en) * | 1996-07-02 | 1998-01-20 | Piolax Inc | Encapsulation tool |
JP3738332B2 (en) * | 1997-06-02 | 2006-01-25 | 株式会社タツノ・メカトロニクス | Bolt seal |
-
2000
- 2000-05-06 GB GB0010865A patent/GB2361978B/en not_active Expired - Fee Related
-
2001
- 2001-05-03 DE DE60122617T patent/DE60122617T2/en not_active Expired - Lifetime
- 2001-05-03 AT AT01201632T patent/ATE338326T1/en active
- 2001-05-03 EP EP01201632A patent/EP1154392B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60122617T2 (en) | 2007-01-11 |
EP1154392A2 (en) | 2001-11-14 |
GB2361978A (en) | 2001-11-07 |
EP1154392A3 (en) | 2002-01-02 |
ATE338326T1 (en) | 2006-09-15 |
GB2361978B (en) | 2003-10-15 |
GB0010865D0 (en) | 2000-06-28 |
DE60122617D1 (en) | 2006-10-12 |
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