CN1860275A - Security mesh panel - Google Patents
Security mesh panel Download PDFInfo
- Publication number
- CN1860275A CN1860275A CNA200480028164XA CN200480028164A CN1860275A CN 1860275 A CN1860275 A CN 1860275A CN A200480028164X A CNA200480028164X A CN A200480028164XA CN 200480028164 A CN200480028164 A CN 200480028164A CN 1860275 A CN1860275 A CN 1860275A
- Authority
- CN
- China
- Prior art keywords
- barbed structure
- guard plate
- hole
- prickle
- barbed
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/02—Wire fencing, e.g. made of wire mesh
- E04H17/04—Wire fencing, e.g. made of wire mesh characterised by the use of specially adapted wire, e.g. barbed wire, wire mesh, toothed strip or the like; Coupling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F25/00—Making barbed wire
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Fencing (AREA)
- Laminated Bodies (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
The present invention relates to a security panel (1), for example for use in a security barrier, and to a method of forming the security panel. The security panel (1), comprises an expanded metal mesh (2), the mesh having apertures (9) therethrough bounded by a plurality of sides (11), at least one of said apertures (9) having at least one side (11) to which is affixed a separate barbed structure (4), the barbed structure having at least one barb (14) extending in a plane of the panel (1) in towards another side (11) of said aperture (9).
Description
FIELD OF THE INVENTION
The present invention relates to a kind of guard plate, for example be used for security fence, and the method for making this guard plate.
Background
Security fence is made by the straight section of rectangular metal tape usually, makes a plurality of prickles along belt with certain space interval.This metal tape can be traditional barbed wire, and this barbed wire generally includes woollen yarn knitting two or many iron wires together, has the iron wire thorn that rule is twined at interval on it.Selectively, metal tape can be a razor wire, and it has a center iron wire usually, has the flat thorn that extends laterally on the iron wire of center.An example of this razor wire is seen US4,509,726 disclosed contents.
As everyone knows, for firmer, the safer fence of fence that forms with long parallel metal band than pure is provided, people use metal tape, and particularly razor wire is made security mesh panel.Patent document CA 1,190,433 disclose a kind of such safety net, and it has shown a kind of security mesh panel that is formed by straight razor wire, razor wire is curved zigzag and adjacent curve jagged razor wire and link, then with silk screen in tie point riveted joint or welding.
US 4,666, and 129, GB 2,259,722A, WO 00/65178 and 2,240,351A discloses the security mesh panel of other type, and all these security mesh panels all are similar to CA 1,190, security mesh panel in 433, at CA 1,190, the soldered or formation security mesh panel that is riveted together of razor wire of wall scroll in 433.
It should be noted that there are many problems in this security mesh panel.At first, before many are fixed together, must make the razor wire of a large amount of wall scrolls and arrangement mutually in advance.In production environment, this must have custom-designed machine processing and connect these razor wire.Secondly, though can weld or rivet firmly as material on every side in principle, in fact each tie point be a potential weakening source.For example, weld seam may not form in the best way.No matter be that still owing to the damage to former razor wire electro-cladding, weld seam and rivet all are potential source of corrosion owing to use different metals in same structure.
A scheme that solves back one problem is to make the razor silk with stainless steel, but in many application, particularly the border fence made from security mesh panel uses the cost of this material high.
The purpose of this invention is to provide a kind of security mesh panel of handling these problems.
Summary of the invention
The invention provides a kind of security mesh panel, comprise an expanded metal mesh, netting gear has the hole that is surrounded by a plurality of sides, at least one side at least one said hole is fixed an independently barbed structure, and this barbed structure has at least one prickle another side towards said hole on the plane of this plate and extends.
Because this guard plate is made by an expansion web, therefore needn't weld or rivet, so this plate has intensity and durability degree that an intrinsic guard plate above being made by the razor silk of single hop can reach at the node of net.Further, between barbed structure and net, need not to carry out any welding or other connections in mesh node.Such connection fully can be away from mesh node.So the forming process of these connections and performance can not have a negative impact to the intensity at mesh node place.Because any stress will trend towards concentrating on one or more mesh node on the guard plate, so compare with the guard plate that has tie point between each bar razor silk, the whole intensity of this guard plate can be improved at an easy rate.
Preferably, barbed structure is fixed in all sides in said at least one hole.This helps to provide the prickle of maximum quantity to extend in each hole of guard plate, thereby improves the safety of plate.Further, based on same reason, barbed structure can have a plurality of described prickles another side towards said hole on the plane of plate and extend.
In a preferred embodiment of the invention, this barbed structure comprises a plurality of ternary thorn points, first of said thorn point and second sharp relative extension of respective side that is parallel to described hole of thorn, said the 3rd thorn point is away from the respective side horizontal expansion in said hole.
In general, each side in hole is formed by an elongated metal tape, and each strip metal band and adjacent metal band fuse at the mesh node place.In a preferred embodiment, barbed structure only is fixed in the metal tape of a correspondence.The installation of barbed structure can not have a negative impact to the intensity of mesh node like this, and the barbed structure preferably place of one or more between mesh node is fixed in this corresponding metal band.Similarly, barbed structure preferably fully lies against between node.
The present invention further provides a kind of safe fence, comprised at least two upright fence supports and a guard plate, described guard plate is supported by described fence supports, and wherein guard plate is according to provided by the invention.
Also have,, provide a kind of method of making guard plate, comprise the following steps: on a metal sheet roof covering, to make a plurality of disjoint otch according to the present invention; The nicked metal sheet roof covering that stretches forms an expanded metal mesh, and this netting gear has a plurality of holes, and the hole is surrounded by a plurality of sides; Be independent of expanded metal mesh, form one or more metal barbed structure with metal, this or each barbed structure have the prickle of at least one extension; With at least one said barbed structure be fixed at least one said hole side so that at least one thorn another side on the plane of plate towards said hole extend.
This method can also comprise this barbed structure or each barbed structure are fixed in wire lath each between the node.
A method that barbed structure is fixed in wire lath is to make barbed structure have the protuberance that at least one stretches out, afterwards for barbed structure being fixed in the said side in said hole, this or each protuberance being wrapped in wire lath surrounding on the part in hole.
In addition or selectively, can make barbed structure be fixed in wire lath on one or more by barbed structure being welded on the internodal of wire lath.
Brief description of drawings
Further specify the present invention below with reference to accompanying drawing and example, wherein
Fig. 1 is the plan view of security mesh panel one side of the present invention
Fig. 2 is the plane partial enlarged drawing of Fig. 1 security mesh panel opposite face.
Fig. 3 is along the sectional view of Fig. 2 security mesh panel along the III-III line
Fig. 4 is the view of a safe fence, is supported the guard plate of Fig. 1-3 by upright fence supports
Describe in detail
Fig. 1 shows the plan view of a security mesh panel 1 one side.Guard plate 1 by on it for good and all, as by spot welding, the planar expanded metal mesh 2 that is fixed with independent metal barbed structure 4 of extending is made.Expansion web 2 itself by punching press series of parallel but the metal sheet roof covering of nonoverlapping slit is processed to form metal sheet roof covering, for example thick medium carbon steel of 3mm, galvinized steel or level and smooth stainless steel by traditional handicraft.After forming otch, draw back a pair of opposed edges of thin plate, thin plate is stretched, form net 2.If expanded metal sheet needs anti-corrosion protection, it can be electroplated.
Below with reference to Fig. 2 and Fig. 3, these two figure represent the plan view of the face that safety net 2 is relative with Fig. 1 and the sectional view by safety net respectively.Net 2 is made up of a series of adjacent metal bands 6.It comes down to straight section in the present example.Each straight section 6 is a boundary with mesh node 8, at each straight section of node 8 places and adjacent straight section 6 integrators.Therefore, except at the edge 10 of mesh, each node 8 forms V-arrangements in conjunction with two adjacent straight sections, and at the edge 10 of mesh, each mesh node 8 forms an X-shaped in conjunction with four adjacent straight sections 6.
So wire lath 2 presents many diamond holes 9, each hole is surrounded by 4 adjacent sides 11.
Each barbed structure 4 lies between the mesh node 8 of a pair of two opposite end heads at mesh straight section 6 fully.In the present embodiment, 3 such barbed structure 4 are arranged between each mesh node 8.But, the barbed structure 4 of, three, four or any right quantity can be arranged between each node 8.
Each barbed structure 4 is by along at least one of the relative edge of barbed structure, and preferably two or three prickles 14 constitute.At this, prickle 14 is multi-stylus.The number of prickle 14 and spacing depend on the relative dimensions in prickle 14 and hole 9.Each prickle 14 has a pair of thorn point 15,16, and they extend at a distance of certain distance and along the direction parallel with the length of U-lag 12 with straight section 6.The 3rd intermediate barbed point 17 is along the direction horizontal expansion away from groove 12 and straight section 6.The plan view of each of thorn point 15,16,17 is leg-of-mutton and 9 another side 11 extends towards the hole in the plane of safety net 2.
When barbed structure 4 was installed on wire lath 2, the square of each straight section 6 and corresponding barbed structure 4 complementations helped to arrange barbed structure 6 along wire lath 2.This has greatly simplified manufacturing process, because needn't before barbed structure 4 is permanently secured to corresponding straight section 6 its clamping be gone up in position.
In order to make each thorn point 15,16,17 sharp as much as possible, preferably make barbed structure 4, for example steel plate of 0.3-0.5mm thickness with the steel plate of relative thin.But prickle 14 should be difficult to use hand to palintrope, and in order to strengthen the ability of this bending of prickle 14 opposings, each prickle 14 has corresponding foundation 18, and this foundation is extended to the direction of leaving groove 12 on the plane of web plate 2.Each prickle 14 has 20, three thorn points 15,16,17 of a center waist and penetrates thus, and foundation 18 is outwards launched towards groove 12 flares thus.Therefore, each prickle 14 that is arranged so that of this foundation 18 and waist 20 separates so that higher firmness to be provided with enough distances and straight section 6, and dwindles distance between waist 20 and the thorn point 15,16,17 simultaneously to reduce curving the torsional moment that the thorn point related at 15,16,17 o'clock in attempt.
The foundation 18 outside tubaeform paired parallel thorns sharp 15,16 that also make more expose, and increase the deterrent effect of thorn point 15,16 like this.Based on this kind reason, each foundation 18 is what to be separated with the foundation of adjacent prickle 14.
If the longitudinal separation between the adjacent parallel thorn point 15,16 reaches the interval of the side of each point and central channel at least, then the effectiveness of prickle 14 also can be strengthened.So obviously, 18 of first-selected especially each foundation 18 and adjacent foundations are separated by gap 22.
Further, this configuration allows barbed structure 4 to have one or more little protuberances 24, and it is wrapped in around the straight section 6 of corresponding fixedly barbed structure 4.In the illustrated specific embodiment, there is a pair of such protuberance 24 to arrange at regular intervals on the length direction of corresponding metal bar 6 and its opposite face 25,26 from groove 12 stretches out.Protuberance 24 has strengthened the connection between barbed structure 4 and the corresponding straight section 6, stably is clipped in suitably on the position in order to ensure each straight section 6 before being permanently secured to straight section 6 in barbed structure 4, can earlier it be wrapped in around the straight section 6 before welding.
Before barbed structure is welded in straight section, can be held on barbed structure 4 on the corresponding straight section 6 with protuberance 24.In another selectable specific embodiment, not shown, barbed structure 4 no protuberances, but be rolled to corresponding straight section 6, at permanent fixation, for example before the welding, curling is enough to barbed structure is clamped to suitable position.
Above-mentioned guard plate 1 can be applied to the various places that need security fence.Guard plate 1 can only constitute the part of security fence, a safety belt on body of wall or the fence for example, or form all or whole in fact security fences.Latter's examples of applications is illustrated in Fig. 4, and this figure shows that safe fence 30 comprises at least two upright pillars 32, and it can be fixed in ground 34, and guard plate 1 is supported by fence supports 32.Because metal tape 6 and firm being connected between node 8 of whole net, it is very firm that such safe fence 30 is compared with the net structure that the band that will separate originally with welding or riveted joint mode is fixed up subsequently.
Put it briefly, the guard plate 1 that is formed by the expanded metal mesh 2 that is fixed with many independently barbed structure 4 has lot of advantages.At first, the fixing intensity to net of barbed structure 4 and net 2 does not have negative effect.In the especially individual problem of the corrosion at wire lath 2 mesh node places, because on expanded metal mesh 2, all mesh node 8 do not experience follow-up welding, riveted joint or similar operation, so each node 8 will be difficult for being corroded.So when making durable security fence, guard plate 1 of the present invention need not to adopt as expensive materials such as stainless steels.
The above-mentioned barbed structure 4 and the special shape of net straight section 6 all provide the obvious results advantage in the installation of structure and the last deterrence of safety net structure aspect being worth two.
So, the invention provides a kind of can be used for different safe occasions, economy guard plate easily.
Claims (19)
1. a guard plate (1), comprise an expanded metal mesh (2), this netting gear has the hole (9) that is surrounded by a plurality of limits (11), at least one said hole (9) is fixed with independently barbed structure (4) at least one limit (11), at least one prickle (14) of this barbed structure another side (11) towards described hole (9) on the plane of plate (1) extends.
2. guard plate according to claim 1 (1), wherein: said barbed structure (4) is fixed in all limits (11) in said at least one hole (9).
3. guard plate according to claim 1 and 2 (1), wherein: barbed structure (4) has a plurality of said prickles (14) another side (11) towards described hole (9) on the plane of plate (1) and extends.
4. any described guard plate (1) in requiring according to aforesaid right, wherein: barbed structure (4) comprises a plurality of ternary thorn points (15,16,17), respective side (11) the edge rightabout that first thorn point (15) of said thorn point and second thorn point (16) are parallel to said hole (9) extends, and said the 3rd thorn point (17) is away from respective side (11) horizontal expansion of said hole (9).
5. any described guard plate (1) in requiring according to aforesaid right, wherein: said at least one prickle (14) has a plurality of thorn points (15,16,17), and each said thorn point extends towards another side (11) of said hole (9).
6. any described guard plate (1) in requiring according to aforesaid right, wherein: each limit (11) in a hole (9) is formed by a long metal tape (6), each said metal tape and adjacent metal band (6) are located integrator at node (8), and barbed structure (4) only is fixed in a corresponding metal band (6).
7. guard plate according to claim 6 (1), wherein: barbed structure (4) is fixed on the said corresponding metal band (6) at one or more places between net node (8).
8. according to claim 6 or 7 described guard plates (1), wherein: barbed structure (4) all is positioned between the mesh node (8).
9. according to any described guard plate (1) among the claim 6-8, wherein: barbed structure (4) has groove (12), the shape of this groove and corresponding fixedly metal tape (6) complementation of barbed structure (4), when barbed structure (4) was fixed in corresponding metal band (6), metal tape (6) was matched with in the groove (12).
10. guard plate according to claim 9 (1), wherein: one or each prickle (14) have a corresponding foundation (18), its on the plane of plate (1) away from said groove (12) horizontal expansion.
11. guard plate according to claim 10 (1), wherein: barbed structure (4) has at least one pair of said prickle (14), its length direction along corresponding metal band (6) arranges at regular intervals, and another side (11) to same hole (9) extends in the plane of plate (1), said each prickle (14) is had a foundation (18), the foundation (18) of this foundation and adjacent prickle (14) differentiates.
12. according to any described guard plate (1) among the claim 6-11, wherein: barbed structure (4) has one or more protuberances (24), this protuberance be wrapped in corresponding metal band (6) around.
13. guard plate according to claim 12 (1), when making an addition to claim 10, wherein: said one or more outstanding positions (24) are between a pair of adjacent prickle (14).
14. according to claim 12 or 13 described guard plates (1), wherein: barbed structure (4) has at least one pair of said prickle (14) and separates along the length direction of corresponding metal band (6), and at least one pair of said protuberance (24) is positioned between the said adjacent a pair of prickle (14).
15. safe fence, comprise at least two upright fence supports (32), with a guard plate (1), said guard plate (1) is supported by said fence supports (32), and wherein: described guard plate is the described guard plate of any claim (1) as described above.
16. a method of making guard plate (1) comprises the following steps: to make a plurality of disjoint otch on a metal sheet roof covering; The nicked metal sheet roof covering that stretches forms an expanded metal mesh (2), this netting gear porose (9), and this hole is surrounded by a plurality of sides (11); Make one or more barbed structure (4) that are independent of expanded metal mesh (2) with metal, this barbed structure or each barbed structure have the prickle (14) of at least one extension; At least one said barbed structure (4) is fixed in the side at least one said hole (9), so that at least one prickle (14) another side (11) towards said hole (9) on the plane of plate (1) extends.
17. according to the manufacture method of the guard plate described in the claim 16 (1), wherein: this method comprises fixes one or the step of each barbed structure (4) between a pair of node (8) of wire lath (2).
18. manufacture method according to claim 16 or 17 described guard plates (1), wherein: described method comprises makes barbed structure (4) have at least one protuberance that stretches out (24), then for barbed structure (4) being fixed on the said side (11) in said hole (9), one or more protuberances (24) being wrapped in wire lath (2) defining step on the part of hole (9):.
19. according to the manufacture method of any described guard plate (1) among the claim 16-18, wherein: this method is included in one or more places between wire lath (2) node (8), and barbed structure (4) is welded in step on the wire lath (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SG2003054004 | 2003-08-05 | ||
| SG200305400A SG108935A1 (en) | 2003-08-05 | 2003-08-05 | Security mesh panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1860275A true CN1860275A (en) | 2006-11-08 |
Family
ID=34114579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200480028164XA Pending CN1860275A (en) | 2003-08-05 | 2004-07-29 | Security mesh panel |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20070138454A1 (en) |
| EP (1) | EP1651829A1 (en) |
| JP (1) | JP2007501346A (en) |
| KR (1) | KR20060132544A (en) |
| CN (1) | CN1860275A (en) |
| AU (1) | AU2004260923A1 (en) |
| BR (1) | BRPI0413345A (en) |
| CA (1) | CA2534620A1 (en) |
| HK (1) | HK1063968A2 (en) |
| IL (1) | IL173489A0 (en) |
| SG (1) | SG108935A1 (en) |
| WO (1) | WO2005012673A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763226A (en) * | 2014-01-06 | 2015-07-08 | 于庆莲 | Anti-climbing spiked screen board |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2249947B1 (en) * | 2003-07-11 | 2007-06-16 | Juan Maria Cruz-Sagredo Garcia | SCCLEROFILA MESH. |
| GB2479782B (en) * | 2010-04-23 | 2016-01-27 | Birmingham Barbed Tape Ltd | High security fence |
| RU2569609C2 (en) * | 2013-12-30 | 2015-11-27 | Юрий Владимирович Ткаченко | Method to manufacture razor-wire barrier "acacia" |
| ES1139856Y (en) * | 2015-04-23 | 2015-09-03 | Ferrer Gerard Maiquez | Protective screen against aggressive animals |
| US10519690B2 (en) * | 2016-02-17 | 2019-12-31 | George Anton Harrop-Allin | Barb tape and barb tape panel |
| US11066845B2 (en) * | 2018-01-09 | 2021-07-20 | Allied Tube & Conduit Corporation | Razor wire barrier for access point security |
| US11732498B2 (en) * | 2018-11-13 | 2023-08-22 | Cochrane Steel Products (Pty) Ltd | Razor wire fence panel |
| USD1041032S1 (en) * | 2021-08-31 | 2024-09-03 | Cochrane Gulf Fze | Deterrent component |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US197757A (en) * | 1877-12-04 | Improvement in barbs for wire fences | ||
| FR1076099A (en) * | 1953-04-24 | 1954-10-22 | fence element, particularly applicable to animal parks | |
| US2802645A (en) * | 1954-04-16 | 1957-08-13 | Winston C Rice | Method of converting a wire fence |
| US3356343A (en) * | 1965-10-23 | 1967-12-05 | William H Taylor | Slat for chain-link fence |
| FR2155104A5 (en) * | 1971-10-07 | 1973-05-18 | Chatillon Gorcy Trefiler | |
| US3913889A (en) * | 1973-10-11 | 1975-10-21 | West Chester Chem Co | Snow fence |
| US4526347A (en) * | 1981-06-09 | 1985-07-02 | Institute For Industrial Research And Standards | Fence assembly |
| US4503423A (en) * | 1982-01-18 | 1985-03-05 | Man Barrier Corporation | Extensible and retractable barrier and electromagnetic intrusion detector therefor |
| US4509726A (en) * | 1983-10-17 | 1985-04-09 | American Security Fence Company | Barrier |
| DE3426625A1 (en) * | 1984-07-19 | 1986-01-30 | Friedrich C. 4573 Löningen Graepel | Barbed wire |
| US4666129A (en) * | 1985-01-23 | 1987-05-19 | American Fence Corporation | Barrier |
| US4725044A (en) * | 1986-11-18 | 1988-02-16 | Cluff Robert G | Chain link fencing containing decorative slats and locking clips |
| GB2240351B (en) * | 1990-01-24 | 1993-11-24 | Cochrane Steel Prod Pty Ltd | Method of and apparatus for making a fencing panel |
| US5074529A (en) * | 1990-09-07 | 1991-12-24 | Mrm Security Systems, Inc. | Clip for forming a concertina configuration of helical barbed tape |
| GB2259722A (en) * | 1991-09-20 | 1993-03-24 | Cochrane Steel Prod Pty Ltd | Security fencing |
| US5584468A (en) * | 1996-01-26 | 1996-12-17 | Meglino; Don A. | Privacy inserts for chain link fences |
| FR2758485B1 (en) * | 1997-01-23 | 1999-03-26 | Cochrane Steel Prod Pty Ltd | METHOD FOR MANUFACTURING A MATERIAL IN THE FORM OF A BARBELED STRIP AND FENCE PANEL FORMED FROM SUCH A MATERIAL |
| US7044447B2 (en) * | 2002-12-02 | 2006-05-16 | Renne Cano | Retractable barbed barrier system |
-
2003
- 2003-08-05 SG SG200305400A patent/SG108935A1/en unknown
-
2004
- 2004-07-29 BR BRPI0413345-5A patent/BRPI0413345A/en not_active Application Discontinuation
- 2004-07-29 US US10/567,290 patent/US20070138454A1/en not_active Abandoned
- 2004-07-29 JP JP2006522532A patent/JP2007501346A/en active Pending
- 2004-07-29 AU AU2004260923A patent/AU2004260923A1/en not_active Abandoned
- 2004-07-29 CN CNA200480028164XA patent/CN1860275A/en active Pending
- 2004-07-29 EP EP04749248A patent/EP1651829A1/en not_active Withdrawn
- 2004-07-29 CA CA002534620A patent/CA2534620A1/en not_active Abandoned
- 2004-07-29 KR KR1020067002557A patent/KR20060132544A/en not_active Application Discontinuation
- 2004-07-29 WO PCT/SG2004/000226 patent/WO2005012673A1/en active Application Filing
- 2004-08-05 HK HK04105802A patent/HK1063968A2/en not_active IP Right Cessation
-
2006
- 2006-01-31 IL IL173489A patent/IL173489A0/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763226A (en) * | 2014-01-06 | 2015-07-08 | 于庆莲 | Anti-climbing spiked screen board |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007501346A (en) | 2007-01-25 |
| WO2005012673A1 (en) | 2005-02-10 |
| CA2534620A1 (en) | 2005-02-10 |
| KR20060132544A (en) | 2006-12-21 |
| WO2005012673A8 (en) | 2006-03-23 |
| SG108935A1 (en) | 2005-02-28 |
| HK1063968A2 (en) | 2004-12-31 |
| EP1651829A1 (en) | 2006-05-03 |
| IL173489A0 (en) | 2006-06-11 |
| AU2004260923A1 (en) | 2005-02-10 |
| US20070138454A1 (en) | 2007-06-21 |
| BRPI0413345A (en) | 2006-10-10 |
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