AU2004218719A1 - Improved tyre barrier - Google Patents
Improved tyre barrier Download PDFInfo
- Publication number
- AU2004218719A1 AU2004218719A1 AU2004218719A AU2004218719A AU2004218719A1 AU 2004218719 A1 AU2004218719 A1 AU 2004218719A1 AU 2004218719 A AU2004218719 A AU 2004218719A AU 2004218719 A AU2004218719 A AU 2004218719A AU 2004218719 A1 AU2004218719 A1 AU 2004218719A1
- Authority
- AU
- Australia
- Prior art keywords
- tyre
- barrier
- casing
- further characterised
- assembly
- 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.)
- Abandoned
Links
- 230000004888 barrier function Effects 0.000 title claims description 82
- 239000000463 material Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 15
- 239000006260 foam Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 229920006248 expandable polystyrene Polymers 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims description 2
- 238000003801 milling Methods 0.000 claims description 2
- 229920006327 polystyrene foam Polymers 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000012858 resilient material Substances 0.000 claims description 2
- 241000251468 Actinopterygii Species 0.000 description 7
- 239000002699 waste material Substances 0.000 description 7
- 238000009360 aquaculture Methods 0.000 description 4
- 244000144974 aquaculture Species 0.000 description 4
- 239000011324 bead Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 244000062645 predators Species 0.000 description 2
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920006328 Styrofoam Polymers 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Processing Of Solid Wastes (AREA)
Description
54863 HKS:PAB:JH P/00/011 Regulation 3.2
AUSTRALIA
Patents Act 1990 COMPLETE SPECIFICATION FOR A STANDARD PATENT
ORIGINAL
Name of Applicant: Name of inventor(s): BARRY ANTHONY HOLDING BARRY ANTHONY HOLDING Address for Service: COLLISON CO.,117 King William Street, Adelaide, S.A. 5000 Invention Title: IMPROVED TYRE BARRIER Details of Associated Provisional Applications: Australian Provisional Application Number 2003905578, dated 13 October 2003.
The following statement is a full description of this invention, including the best method of performing it known to us:
O
0 The present invention relates to a tyre barrier.
There is growing concern over the significant ecological problem posed by the disposal of used tyres. In Australia alone it is estimated that 170,000 tonnes of waste tyres are generated each year. Of this, it is estimated that 30% of this oo _amount is recycled; 57% goes to landfill and 13% is illegally dumped.
O This is because it is not yet technically or economically feasible to recycle the C rubber in old tyres for use in the manufacture of new tyres.
Re-treading a tyre is one way of recycling it so that is may be re-used. Often however, the carcass of a used tyre is not suitable, for structural or economic reasons, for use as a re-tread. Furthermore, the demand for new tyres far outweighs the demand for re-treads due to competition from cheaper new tyre imports, and also because of motorists' safety concerns about re-treaded tyres.
The burning of used tyres is not a solution because of the noxious fumes and smoke created. Consequently, the most common method of disposing of these tyres is to bury them in a dump, or to merely store them as rubbish.
The tyre disposal situation has become so serious, that persons purchasing new tyres for their car must pay a waste levy if they want their old tyres to be disposed of on their behalf. Furthermore, some governments pay approved entities disposing of tyres via approved means, to do so.
Accordingly, there exists a need for applications in which used tyres, not suitable for re-treading, can be utilized.
United States patent US 3,728,749 discloses a method for converting used tyre bodies into marine floats for use as moorings, buoys and the like. Similarly, United States patent US 4,098,214 also discloses a float made from a used automobile tyre. In both cases however, a significant amount of additional material, manufacturing and money has gone into converting the tyre into a float.
It is an object of the present invention to provide a tyre barrier that overcomes or at least substantially ameliorates the problems associated with the tyre barriers of the o prior art.
Other objects and advantages of the present invention will become apparent from the following description, taken in connection with the accompanying drawings, wherein, by way of illustration and example, an embodiment of the present 0 invention is disclosed.
In one form of this invention although this may not necessarily be the only or
O
O indeed the broadest form of this there is proposed a tyre barrier including at least one vehicle tyre casing, a wall extending between and secured to respective oppositely positioned inner edges of the casing, and an infill material filling at least substantially a space thereby defined within and between the casing and the wall.
Preferably, the infill material is a foamed plastics material.
Preferably, the infill material is at least substantially comprised of closed cell foamed polystyrene particles each of which has a size which is at least greater than one mm across a minimum width.
Preferably, the infill material is foamed polystyrene which has been milled into small particles.
Preferably, the wall is a second vehicle tyre casing.
Preferably, the second tyre casing is positioned relative to the first tyre casing with each inner edge of the first said casing being attached to a respective side wall of the second vehicle casing.
Preferably, the body of the second tyre casing lies at least partially within the body of the said first tyre casing and is coaxially positioned therewith.
Preferably, the oppositely positioned inner edges of the first said tyre casing are each joined to respective oppositely positioned walls of the second said casing by fastening means.
O In a further form of the invention, the barrier could be filled with an infill material that _would cause the barrier to sink in water.
0 In a further form of the invention the wall is a sheet of flexible and resilient material which is aligned to be curled into a cylindrical shape which is coaxial with the tyre casing and located so as to be engaging against the respective inner edges of the oppositely positioned edges to an extent that these then effect a retaining and sealing pressure there against. 0o Preferably, there are two apertures cut through the wall of the first said casing where these provide for an access to insert the infill material through a first of the apertures and to allow for withdrawal of air during the said infill insertion from a second of the apertures.
In a further form of the invention the invention may be said to lie in an assembly which includes a plurality of tyre barriers, and each tyre barrier is joined to another tyre barrier by connecting means.
Preferably, the assembly is adapted to be a floating support for a building.
Preferably, the assembly is adapted to be a floating support for a wharf.
Preferably, the assembly is adapted to be a floating protective cover for a water storage facility.
In a further form of the invention the invention may be said to lie in a method of manufacture of a tyre barrier wherein there are included the steps of securing a wall to and such as to extend with sealing engagement between inner edges of a vehicle tyre casing and then inserting into space thereby defined an infill material so as to substantially fill said space.
Preferably, there are the further steps of boring a hole through a wall of the vehicle tyre casing prior to insertion of the infill material.
Preferably, the infill material is in the form as being inserted of foamed polystyrene particles.
Preferably, the method further includes having two apertures cut through the wall of the first said casing and using these to provide for an access for inserting the infill 0 material through a first of the apertures and effecting withdrawal of air during the said infill insertion from the second of the apertures and where the apertures are respectively at diametrically opposed positions in the said first tyre casing.
Preferably, there is the step of milling polystyrene foam into particles, then OO separating fines from such shredded result and inserting into the space defined between the respective surfaces the larger milled particles.
SPreferably, there is the further step subsequent to the insertion of the shredded polystyrene particles which step includes inserting into each respective aperture a catalyzed but not yet polymerised plastics foaming material, closing the aperture during the expansion and setting off of the inserted plastics foam whereby to allow for compression of the infill material, and then closing the respective apertures.
In yet a further form of the invention, the inner tyre can be filled with an infill material as well.
For a better understanding of this invention it will now be described with respect to the preferred embodiment which shall be described herein with the assistance of drawings wherein; Figure 1 is a cross-sectional view of the tyre barrier; and Figure 2 is a cross-sectional view of the tyre barrier in Figure 1, showing it during the filling operation; Figure 3 is a cross-sectional view of a plurality of tyre barriers connected together; Figure 4 is an end view of the connected tyre barriers shown in Figure 3, showing them in use; Figure 5 is a top view of a plurality of tyre barriers connected, illustrating them being used in an alternate application.
Figure 6 is cross-sectional view of a tyre barrier according to a further form of the invention.
O Figure 7 is a cross-sectional view of a tyre barrier according to a further form of the invention.
0 q Now referring to the illustrations, and in particular to Figure 1, there is a tyre barrier 1, comprising a smaller tyre carcass 2, inserted within the carcass of a larger tyre 3, such that the side wall 4 of the inner tyre 2 comes into contact with the larger tyre 3, in a region proximate its bead 5. The two tyres 2 and 3 are then screwed together oo through their walls at this point of contact, at a number of points around the tyre, so Sas enclose a region 6. This enclosed region is then filled with foam 7, thereby making the barrier buoyant.
Inserting the smaller tyre within the carcass of the larger tyre opens the outer tyre carcass up, increasing its capacity to accept infill material.
A significant advantage of the tyre barrier according to the present invention therefore, is that each barrier element utilises two waste tyres, and a considerable amount Styrofoam. These are all waste materials that are difficult to dispose of.
Furthermore, very little additional material or manufacturing is required to convert the tyres into a barrier.
An example of compatible tyre sizes suitable for use in the present invention, the larger tyre casing is an 11 R22.5 truck tyre, and the smaller tyre casing is a car tyre. Used tyres in these sizes are readily available, as the larger tyre is a commonly used truck tyre, and the smaller tyre is a commonly used car tyre.
The barrier 1 is filled with foam via two holes 10 and 15 cut through the sidewall of the larger tyre 3, at points that are approximately diametrically opposing each other. If the barrier is to be used as a float, it is important that closed cell foam is used, as these will not absorb water. If it is desired that the barrier partially or completely sink, open cell foam can be used. A first hose 25 can be used to connect hole 10 to a source of vacuum, such as a vacuum pump 30. A filter element 26 is placed between first hose 25, and the sidewall 20 of the outer tyre 3. A second hose 35 is then used to connect the second hole 15 to a supply of foam material Yet another hose 45 is connected to the foam supply 40, this one is connected to a blower 50, which is blowing air into the supply 40, so as to augment the suction of foam into the barrier 1.
For filling operations the empty barrier is positioned vertically. Once connected, the vacuum pump 30 and the blower 50 are then switched on, and used to draw the O foam from the supply 40, into the region enclosed 6 by the two tyres. The filter Selement 30 prevents the foam being drawn from the tyre, into the vacuum pump.
Once the barrier 1 is full of foam, the hoses 25 and 35 are disconnected, and the barrier 1 laid down on the ground, with the holes 10 and 15 facing upward. The 00 plugs created when cutting the holes can be placed back in the holes, and a close cell (waterproof) expanding foam such as AU270 sprayed into the gaps around I- the respective plugs, which are then covered with a weighted object, so as to force C 10 the foam to expand back into the cavity 7. Once the expanding foam has cured, the covers can be removed from over the plugs, as the tyre barrier 1 has been sealed.
Tyre barriers according to the present invention can be used to build floating platforms.
A plurality of barriers 1 can be strung together by passing a strip of twisted conveyor belt 55 through the respective centre holes of the barriers.
A floating framework constructed in this fashion would be extremely strong and flexible, making it ideal for use with open sea and inland aquaculture applications.
For instance a ring 60 of barriers 1 could have a net 65, suspended from its underside, creating an aquaculture pen which would be filled with fish Traditionally, the cost of cages used in aquaculture applications has been relatively high, due to the requirement for strong, rust resistant materials. The strength of these cages has been a problem however, with cage frames breaking in heavy seas, or when under tow.
Furthermore, fish grown in aquaculture cages may be more susceptible to bacterial disease than fish in an open pond, because they are in close quarters and in constant contact with each other. The strength and rigidity of cages made with framework according to the present invention will enable cages to be made much larger than known cages are at present [only 30-40 metres in diameter].
In addition, caged fish must be fed daily with a nutritionally complete diet; this means added costs for labor and feed. As such, an automated fish feeding station O could be floated is the same fashion, and connected to the framework of the cage.
At present these systems use two nets, a first net too keep the fish in, and a second net to keep predators out. The buoyancy and strength of frameworks made from the tyre barriers according to the present invention will enable just one 0strong, durable, non-toxic net to be used.
The rigidity of the tyre barrier frame will enable cages to be transferred and 0 relocated from site to site at speeds better than the 1-2 knots currently available The buoyancy of the tyre barriers 1 will enable cages to be located in areas where sediments can be more readily flushed to prevent build up of fish waste, and improve the environment and survival of species being farmed. These floating structures and associated cages can be easily disassembled for relocation or removal.
Such a cage can be predator protected by placing a cover over the top area of the cage, which at the same time would escape proof the cage.
Alternatively, the floating barriers could be used to create a 'Ifloating surface mat" When used for this application, the floats would be laid flat, and secured together via lengths of wire 85, which is stapled to respective perimeter barriers.
Alternatively, a wire grid could be used for securing each and every tyre barrier thereto. A shade cloth 90, or similar could then be fastened to the mat, by securing it between the wire and the tyre barriers. A floating surface mat of this type could be used for reducing water temperature in, and the rate of evaporation from a given body of water. Furthermore, an advantage of a floating mat assembled from these tyre barriers is that it is porous, by virtue of the centre holes in the barriers, and the gaps between respective barriers.
Floating mats of barriers assembled in this fashion could also be used to float structures such as buildings, wharves, pontoons and the like. Where extra buoyancy is required, the layers of barrier mats laid one upon the other can be used.
0 The buoyancy of the tyre barriers can be regulated for weight, wave motions, water composition, and desired platform flexibility It is envisaged that the tyres barriers could be filled with other waste materials for improved buoyancy and displacement of air pockets.
Referring now to Figure 6, and according to a further form of the invention, there is a tyre barrier 99, formed from a tyre 100 having beads 105 and 110. There are also 0o two strips of conveyor belt or tyre tread secured together, a smaller strip 115, and a larger strip 120. The smaller strip 115 is sized so that is only marginally wider than athe distance between the inner surfaces of the tyre proximate to the beads, designated as dimension A. If the unified belt 125 that is created by securing the two strips 115 and 120 together is caused to curve slightly, the smaller strip 115 will be able to fit between the beads of the tyre. If it is then released the band will attempt to straighten itself, but the smaller strip will be unable to straighten completely, causing it to become locked into position, thereby enclosing a region with the tyre.
Using this method, large tyres, such as those used on agricultural and earthmoving equipment can be converted into tyre barriers, by using substantially recycled materials. A plurality of tyre barriers of this size could be used to float large structure such as pontoons and buildings.
The tyre barriers could be filled with any one of a number of materials that would give the barriers varying degrees of buoyancy in water. If for instance, the barriers were filled with concrete or sand, they would sink in water. As such, the barriers could then be used in applications such as diversion barriers, artificial reefs, or even to construct dams.
Referring now to Figure 7, there is a tyre barrier 130, comprising an inner tyre carcass 135, and an outer tyre carcass 140, defining cavities 145 and 150 respectively, wherein both of these cavities have been filled with an infill material.
Depending on the intended application for the barrier and the infill material used, filling the inner cavity could be used to provide additional buoyancy, or weight, as desired.
It is considered therefore that a tyre barrier such as that described herein would prove to be of considerable benefit in converting significant numbers of waste
O
tyres into an extremely useful, cost effective product with potential applications that serve to preserve and protect the environment, instead of littering it.
0 Although the invention has been herein shown and described in what is conceived to be the most practical and preferred embodiment, it is recognised that departures can be made within the scope of the invention, which is not to be limited to the details described herein but is to be accorded the full scope of the appended oo claims so as to embrace any and all equivalent devices and apparatus.
Claims (24)
1. A tyre barrier including at least one vehicle tyre casing, a wall extending _between and secured to respective oppositely positioned inner edges of the casing, and an infill material substantially filling at least a space thereby defined 00 within and between the casing and the wall.
2. The tyre barrier as in the immediately preceding claim further characterised in that the wall is at least a second vehicle tyre casing.
3. The tyre barrier as in claim 1 further characterised in that the wall is a sheet of flexible and resilient material which is aligned to be curled into a cylindrical shape which is coaxial with the tyre casing and located so as to be engaging against the respective inner edges of the oppositely positioned edges to an extent that these then effect a retaining and sealing pressure there against.
4. The tyre barrier as in any one of the preceding claims further characterised in that the infill material is a foamed plastics material.
The tyre barrier as in any one of the preceding claims further characterised in that the infill material is at least substantially comprised of closed cell foamed polystyrene particles each of which has a size which is at least greater than one mm across a minimum width.
6. The tyre barrier as in any one of the preceding claims further characterised in that the infill material is foamed polystyrene which has been milled into small particles.
7. The tyre barrier as in any one of claims 2 to 6, further characterised in that the second tyre casing is positioned relative to the first tyre casing with each inner edge of the first tyre casing being attached to a respective side wall of the second vehicle casing.
S8. The tyre barrier as in the immediately preceding claim further characterised in that the body of the second tyre casing lies at least partially within the body of the O said first tyre casing and is coaxially positioned therewith.
9. The tyre barrier as in the immediately preceding claim further characterised in that the oppositely positioned inner edges of the first tyre casing are each joined to a respective oppositely positioned wall of the second said casing by fastening means.
The tyre barrier as in claim 1 further characterised in that the barrier could be filled with an infill material that would cause the barrier to sink in water.
11. The tyre barrier as in any one of the preceding claims further characterised in that there are two apertures cut through the wall of the first said casing where these provide for an access to insert the infill material through a first of the apertures, and allow for withdrawal of air during the said infill insertion from a second of the apertures.
12. An assembly which includes a plurality of the tyre barriers of claim 1, characterised in that each tyre barrier is joined to another tyre barrier by connection means.
13. The assembly as in the immediately preceding claim further characterised in that the assembly is adapted for use as a floating support for a building.
14. The assembly as in claim 12 further characterised in that the assembly is adapted for use as a floating support for a wharf.
The assembly as in claim 12 further characterised in that the assembly is adapted to be used as a floating protective cover for a body of water.
16. The assembly as in any one of claims 12 to 15, further characterised in that the connection means is a flexible elongate member such as a rubber belt, a wire or cable.
17. A method of manufacture for the tyre barrier of claim 1, wherein there are included the steps of securing a wall to a vehicle tyre casing so as to extend with sealing engagement between inner edges of a vehicle tyre casing and then o inserting into space thereby defined an infill material so as to substantially fill said space. 0 r
18. The method of manufacture for a tyre barrier as in the immediately preceding method claim further characterised in that there are the further steps of boring at least two holes through a wall of the vehicle tyre casing prior to insertion of the infill material. 00oo
19. The method of manufacture for a tyre barrier as in any one of the preceding method claims further characterised in that the method further includes the steps of O using the holes to provide for insertion of the infill material through a first of the apertures and effecting withdrawal of air during the infill insertion from the second of the apertures, and where the apertures are respectively at diametrically opposed positions in the first tyre casing.
The method of claim as in any one of the preceding claims further characterised in that there is the step of milling polystyrene foam into particles, then separating finer particles from such shredded result and inserting into the space defined between the respective surfaces the larger milled particles.
21. The method of claim as in any one of the preceding claims further characterised in that there is the step of inserting into each respective aperture a catalyzed but not yet polymerised plastics foaming material, closing the aperture during the expansion and setting off of the inserted plastics foam whereby to allow for compression of the infill material, and then closing the respective apertures.
22. A tyre barrier substantially as described in the specification with reference to and as illustrated by the accompanying illustrations.
23. A tyre barrier assembly as described in the specification with reference to and as illustrated by the accompanying illustrations. 14
24. A method substantially as described in the specification with reference to and as illustrated by the accompanying illustrations. Dated this 13th day of October 2004 BARRY ANTHONY HOLDING By his Patent Attorneys COLLISON CO
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2004218719A AU2004218719A1 (en) | 2003-10-13 | 2004-10-13 | Improved tyre barrier |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003905578 | 2003-10-13 | ||
| AU2003905578A AU2003905578A0 (en) | 2003-10-13 | Improved tyre barrier | |
| AU2004218719A AU2004218719A1 (en) | 2003-10-13 | 2004-10-13 | Improved tyre barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2004218719A1 true AU2004218719A1 (en) | 2005-04-28 |
Family
ID=34575049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2004218719A Abandoned AU2004218719A1 (en) | 2003-10-13 | 2004-10-13 | Improved tyre barrier |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU2004218719A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020252649A1 (en) * | 2019-06-18 | 2020-12-24 | 向阳农业生技股份有限公司 | Floating body device |
| CN116812079A (en) * | 2022-08-10 | 2023-09-29 | 交通运输部南海航海保障中心广州航标处 | Novel floating mark fixing device |
-
2004
- 2004-10-13 AU AU2004218719A patent/AU2004218719A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020252649A1 (en) * | 2019-06-18 | 2020-12-24 | 向阳农业生技股份有限公司 | Floating body device |
| CN116812079A (en) * | 2022-08-10 | 2023-09-29 | 交通运输部南海航海保障中心广州航标处 | Novel floating mark fixing device |
| CN116812079B (en) * | 2022-08-10 | 2023-12-19 | 交通运输部南海航海保障中心广州航标处 | Floating sign fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC1 | Assignment before grant (sect. 113) |
Owner name: AUSSIE BLACK & GOLD PTY LTD Free format text: FORMER APPLICANT(S): HOLDING, BARRY |
|
| MK1 | Application lapsed section 142(2)(a) - no request for examination in relevant period |