EP2954118B1 - Conveyor suitable for lifting floating waste or other waste just under the water surface - Google Patents
Conveyor suitable for lifting floating waste or other waste just under the water surface Download PDFInfo
- Publication number
- EP2954118B1 EP2954118B1 EP14716984.1A EP14716984A EP2954118B1 EP 2954118 B1 EP2954118 B1 EP 2954118B1 EP 14716984 A EP14716984 A EP 14716984A EP 2954118 B1 EP2954118 B1 EP 2954118B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- waste
- conveyor
- tread plate
- conveyor according
- retain
- 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.)
- Active
Links
- 239000002699 waste material Substances 0.000 title claims description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 33
- 238000007667 floating Methods 0.000 title claims description 16
- 230000000630 rising effect Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 description 12
- 231100000719 pollutant Toxicity 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 229930195733 hydrocarbon Natural products 0.000 description 8
- 150000002430 hydrocarbons Chemical class 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- 241000305776 Rynchops Species 0.000 description 6
- 230000036961 partial effect Effects 0.000 description 6
- 230000002411 adverse Effects 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 210000000056 organ Anatomy 0.000 description 4
- 238000006424 Flood reaction Methods 0.000 description 3
- 210000001520 comb Anatomy 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005067 remediation Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 230000035508 accumulation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000272168 Laridae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010814 metallic waste Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000010494 opalescence Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013502 plastic waste Substances 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002916 wood waste Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
- E02B15/104—Conveyors; Paddle wheels; Endless belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/32—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for collecting pollution from open water
Definitions
- the present invention relates to a conveyor suitable for lifting floating waste or other waste just under the water surface.
- the invention can be used in the field of waste clean-up of water surface up to several meters deep for different kind of waste including hydrocarbons.
- U.S. Pat. 4,261,827 describes a loop-shaped tape bearing a multiplicity of flexible blades, the tape being mounted between two end drums.
- the tape extends at its lower portion in a slide for water and waste that prevents the pollutant to backflow.
- U.S. Pat. 4,842,735 describes a skimmer for removing a film of oil from the surface of a body of water, the skimmer comprising a vane conveyor which raises the polluted water onto a collection barge.
- U.S. Pat. 5,647,965 discloses an apparatus for the recovery of floating materials including a compartment having a weir designed to receive the material to be recovered and a system for emptying such compartment.
- the system includes a flexible blade conveyor belt that allows the floating materials to be the lifted.
- the international patent application WO 2005/097592 describes a floating waste collection device that is mounted in the bow area of a ship and comprises a waste receiving portion and a collection vessel.
- the inflow of pollutant from the water surface is conveyed into the receiving portion in a threshold that is under the free surface and is adjacent to a slide in a way that the pollutant may be housed in the collection vessel.
- the collection device is able to "skim" the water surface by being substantially horizontal with respect to the free surface, if a slight slope that creates the flow toward the collection vessel is neglected. The latter is in the ship at a depth even greater than this threshold.
- US 5,800,701A discloses a conveyor for lifting floating waste from water according to the preamble of claim 1.
- US 3,891,558 discloses an oil and debris removal unit comprising and endless belt whose flights are provided with projecting means adapted to retain the waste and release it in its return section.
- the present invention aims to overcome the drawbacks of the above mentioned traditional systems.
- a main purpose of the invention is to provide a conveyor for lifting waste from a body of water in which they float or move at different depths, the waste substantially maintaining the position it had in water.
- Another object of the invention is to provide a conveyor which allows only the floating waste to be lifted, but not the water in which it is immersed.
- Yet another object of the invention is to provide a conveyor which allows a selective collection of oil slick, such as hydrocarbons, and solid floating waste of different sizes, as well as large debris and wrecks.
- an object of the invention is to provide a waste lifting conveyor that is particularly simple, effective and reliable.
- Another object of the invention is to provide a multifunctional waste lifting conveyor able to recover significant amounts of pollutants in a short time.
- Yet another object of the invention is to provide a waste lifting conveyor that can also be employed in different aquatic environments, at different latitudes, and even in adverse weather conditions.
- a further object of the invention is to provide a waste lifting conveyor that is relatively simple to be manufactured and employs originally technologies already used successfully in other field of the art.
- the means for retaining the waste is intended to collect liquid substances and is in the form of brushes fixed orthogonally to the tread plate; alternatively the means for retaining the waste is intended to collect solid substances and is in the form of spikes fixed orthogonally to the tread plate.
- Such means may be located on opposite faces of each tread plate.
- the intermediate space between the rising section and the return section of the stairway of the conveyor is covered with a casing adapted to prevent at least the insertion of waste between one step and another.
- a device adapted to remove waste from the steps, the device comprising a static organ in the shape of a comb or a rotating drum equipped with radial bars protruding to comb fit between the means for retaining the waste.
- the conveyor according to the present invention is placed within a supporting and conveying structure that surrounds at least partially the conveyor, this structure being openable to delimit only laterally and below the conveyor.
- the tread plate On each step of the stairway, the tread plate can be turned by a local command or a remote control in order to allow tread plate to show either one or the other face, depending on the pollutant to be faced, one face having flexible brushes for liquids and small/medium fragments, and the other having metal spikes in case of wood or plastics and other floating debris.
- An advantageous aspect of the present invention is the ability to perform, by the same system, efficient and effective interventions for the remediation of large quantities of mineral oils and hydrocarbons as a result of environmental disasters at sea or along the coast, thus ensuring the effective recovery of polluted waters.
- the conveyor according to the invention being arranged within the supporting and conveying structure can be placed either inside the hull astern, centrally, or fore in the ship.
- FIG. 1 therein is shown an isometric view of a conveyor suitable for lifting floating waste or other waste just under the water surface according to an embodiment of the present invention.
- the conveyor consists of a stairway generally indicated as 1, whose steps 2 are movable along a loop having a rising section 3 and a return section 4.
- the steps 2 have tread plates 5 which are maintained parallel in the rising section 3.
- each tread plate 5 is provided with projecting means adapted to retain.
- projecting means consists of spikes 6 protruding upwards from a face of the tread plate 5 of each step.
- the projecting means for retaining the waste is in the form of brushes 7 orthogonally fixed to the tread plate 5, as shown in the partial isometric view of Figure 4 .
- the conveyor 1 according to the present invention is partially immersed in the water mass to be depolluted, as discussed below.
- the tread plate 5 is hinged so as to be able to assume two opposite stable positions, the one having the spikes 6, the other having the brushes 7 facing upwards.
- the configuration with spikes 6 is shown in isometric view in an enlarged scale in Figure 2 ; in the similar view of Figure 3 the transition to the second configuration with brushes 7 is shown.
- a handwheel is shown and generally indicated as 8 that allows the tread plate 5 to turn upside down. It must be clear that the horizontal position of the tread plate 5 is locked by not represented means. In addition to the manual turning of each tread plate, a remote turning, not described here, can be also provided.
- the number of faces can be reduced to one, if the tread plates 5 of the steps are not adapted to turn, and it may be greater than two in other embodiments not shown.
- Each tread plate is placed in a prismatic body 9 that rotatably supports the tread plate in the illustrated embodiment that is being described.
- the spikes 6 are means designed to collect solids
- the brushes 7 are used to collect oil slick, such as hydrocarbons, and particulate waste.
- the conveyor 1 has an intermediate space between the rising section and the return section of the stairway, indicated as 12 in figure 1 , which is covered with a housing 13 which is suitable to at least prevent the insertion of waste between a step and the other.
- the conveyor has a lower curved casing 14 and an upper curved casing 15 respectively.
- the conveyor is immersed in water with its lower end up to a depth variable by an adjustment of said attaching means with respect to the ship. It is appropriate that the highest position of the conveyor 1 provides that the lowest tread plates, i.e. those indicated as 51, 52, and 53 in Figure 7 , are at the same horizontal level under the water so that the waste can lean on them and be retained by the spikes 6 or in case by the brushes 7 so that polluting liquids adhere to them.
- the lower curved casing 14 terminates at the top with a comb-shaped end 16 from which the spikes 6 or the brushes 7 pass, and a comb-shaped static organ 17 having teeth, as means for retaining the waste, between which the spikes 6 or the brushes 7 pass, can be provided in the upper casing 15.
- a comb-shaped static organ 17 having teeth, as means for retaining the waste, between which the spikes 6 or the brushes 7 pass, can be provided in the upper casing 15.
- Located downstream of the static comb-shaped organ 17 is an inclined plane 18 facing toward a collecting vessel 19, as shown in Figure 9 , the figures 8 and 9 being schematic isometric views of the conveyor according to the invention within a supporting and conveying structure 20, in a closed and open configuration respectively.
- a device 21 adapted to remove waste from the steps and to allow the waste displacement.
- This device 21 comprises a motorized rotating drum 22 provided with radial bars 23 protruding to comb fit between the means for retaining the waste, either teeth 6 or brushes 7 or different from these.
- the device 21 is shown in Figure 10 , which is a partial isometric view of the upper part of a conveyor according to the invention.
- the conveyor according to the invention is embodied into the supporting and conveying structure 20, which is shown applied together to the conveyor in the bow of a ship N in the perspective view of Figure 11 .
- the conveyor according to the present invention can be embodied in a collection system, comprising:
- the system has two functionality options.
- the present invention relates to a modular machine to be associated with naval units for the recovery of large quantities of pollutants in water, able to operate even at high feed rate or with adverse weather and sea conditions.
- One of the main features of the system is that it can be modified in the section of imprisonment / collection of contaminants and in structural conformation, varying in size, by remote control without direct intervention by operators. These changes may be adopted depending on the type of contaminants to be faced, either solid, liquid or mixed, of different kinds, size and weight, such as those produced and poured into water in case of floods, tsunamis, landslides, floods.
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
- Structure Of Belt Conveyors (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000069A ITRM20130069A1 (it) | 2013-02-08 | 2013-02-08 | Trasportatore per il sollevamento di rifiuti galleggianti o vicini al pelo libero dell'acqua |
PCT/IT2014/000034 WO2014122684A1 (en) | 2013-02-08 | 2014-02-06 | Conveyor suitable for lifting floating waste or other waste just under the water surface |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2954118A1 EP2954118A1 (en) | 2015-12-16 |
EP2954118B1 true EP2954118B1 (en) | 2018-04-11 |
Family
ID=47953611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14716984.1A Active EP2954118B1 (en) | 2013-02-08 | 2014-02-06 | Conveyor suitable for lifting floating waste or other waste just under the water surface |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160010300A1 (it) |
EP (1) | EP2954118B1 (it) |
JP (1) | JP6329969B2 (it) |
CA (1) | CA2900439C (it) |
IT (1) | ITRM20130069A1 (it) |
WO (1) | WO2014122684A1 (it) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4183464B1 (en) * | 2021-11-19 | 2024-08-28 | Universiteit Antwerpen | Plastic pellet trap device |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108394526A (zh) * | 2016-12-25 | 2018-08-14 | 林冬 | 环境处理水葫芦回收船 |
CN107524130B (zh) * | 2017-09-14 | 2019-09-17 | 中运建设控股有限公司 | 一种用于水坝漂浮物清理的打捞装置 |
CN107882005A (zh) * | 2017-12-20 | 2018-04-06 | 杨雪锋 | 一种河道水面垃圾清理装置 |
CN108834447B (zh) * | 2018-07-06 | 2021-04-30 | 鄱阳县油墩街西港鼎鑫米业有限公司 | 一种水稻种植使用的稻田漂浮物快速清理设备 |
CN110565605B (zh) * | 2019-09-18 | 2021-01-19 | 河南城建学院 | 一种应用于生态修复方面的河道垃圾拦截系统 |
KR102080550B1 (ko) * | 2019-10-18 | 2020-02-25 | 주식회사 티에스엔텍 | 조류수거용 선박 |
CN110902851A (zh) * | 2019-10-30 | 2020-03-24 | 南昌工程学院 | 一种中小型河道生态复氧装置 |
CN112009630A (zh) * | 2019-12-13 | 2020-12-01 | 浙江辛巴达机器人科技有限公司 | 一种浮体式河道垃圾分类收集机器人 |
CN111455956B (zh) * | 2020-04-13 | 2021-06-25 | 太原理工大学 | 用于分离水源中固体垃圾的除污机 |
CN111498393A (zh) * | 2020-05-29 | 2020-08-07 | 苏州飞驰环保科技股份有限公司 | 适用于漂浮物和水草收集的输送带装置及前舱采收系统 |
CN112062173B (zh) * | 2020-08-10 | 2021-07-27 | 淮安同方盐化工业污水处理有限公司 | 一种预脱水格栅除污机 |
US11772753B2 (en) * | 2020-08-18 | 2023-10-03 | Farouk Dakhil | Autonomous plastic collecting robot |
CN112429163A (zh) * | 2020-11-12 | 2021-03-02 | 陈毅 | 一种水体污染用废弃物打捞环保装置 |
CN112726544B (zh) * | 2020-12-30 | 2022-11-08 | 江苏星鑫分离设备制造有限公司 | 一种渔业水利的水面悬浮物搅动式打捞处理设备及方法 |
US20220363353A1 (en) * | 2021-03-29 | 2022-11-17 | Robert Marshall Campbell | Equipment, systems and vessels, for the effective cleanup and recovery of a broad range of floating contaminants |
CN113522434B (zh) * | 2021-07-28 | 2022-10-04 | 金建伟 | 一种建筑工程用废料粉碎装置 |
US11814804B2 (en) * | 2021-12-01 | 2023-11-14 | Chevron Phillips Chemical Company Lp | System for removing polymer pellets and other contaminants from water reservoirs |
CN116988425B (zh) * | 2023-08-09 | 2024-07-23 | 周口市水利勘测设计院 | 一种水利工程施工用挡水装置 |
CN117845858A (zh) * | 2024-03-08 | 2024-04-09 | 四川水发勘测设计研究有限公司 | 一种水利工程用清理装置 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
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US1890251A (en) * | 1927-08-29 | 1932-12-06 | Gilbert J Fowler | Filter |
US3403098A (en) * | 1966-06-30 | 1968-09-24 | Hydromation Engineering Compan | Oil skimmers |
US3617555A (en) * | 1970-04-16 | 1971-11-02 | Standard Oil Co | Method and apparatus for removing oil and debris from water |
US3732161A (en) * | 1971-01-22 | 1973-05-08 | Standard Oil Co | Method for removing oil and debris from water |
US3700108A (en) * | 1971-02-04 | 1972-10-24 | Frank A Richards | Oil skimmer |
US3891558A (en) * | 1972-12-06 | 1975-06-24 | Jr Paul Condit | Oil and debris removal unit |
JPS5445296Y2 (it) * | 1976-03-16 | 1979-12-25 | ||
JPS6228713B2 (it) * | 1978-05-26 | 1987-06-22 | Edowaado Bikutaa Baiyaazu | |
FR2428709A1 (fr) | 1978-06-14 | 1980-01-11 | Ouest Ets Generaux Meca | Perfectionnements aux appareils a palettes souples pour la recuperation des matieres flottantes |
NO794138L (no) * | 1978-12-19 | 1980-06-20 | Fram Europ | Fremgangsmaate og innretning for fjernelse og gjenvinning av forurensende olje e.l. som flyter paa en vannoverflate |
FI71596C (fi) * | 1983-06-09 | 1987-01-19 | Lundin Lars Patent | Anordning foer att lyfta olja ur vattnet och fraon vattenytan. |
JPS6053487A (ja) * | 1983-08-31 | 1985-03-27 | Kyoei Zoki Kk | 水面浮遊物の収集装置 |
US4682681A (en) * | 1985-03-27 | 1987-07-28 | Hitachi, Ltd. | Escalator |
US4842735A (en) | 1988-03-21 | 1989-06-27 | Hollis Calvin L | Oil skimming apparatus |
US5647965A (en) | 1994-03-25 | 1997-07-15 | Crose; James R. | Apparatus and method for separating a charged substance from a conductive fluid |
DK58694A (da) * | 1994-05-25 | 1995-11-26 | Krueger I Systems As | Apparat, komponenter og fremgangsmåde til filtrering af væske |
JP2000064254A (ja) * | 1998-08-26 | 2000-02-29 | Ebara Corp | 除塵装置 |
US6029290A (en) * | 1998-10-26 | 2000-02-29 | Skimmer Valet, Inc. | Swimming pool skimmer cleaner |
FR2808496B3 (fr) * | 2000-05-03 | 2002-08-30 | Jean Lansaque | Dispositif permettant la recuperation des nappes de fioul flottant a la surface de la mer ou en faible immersion |
JP2001329522A (ja) * | 2000-05-19 | 2001-11-30 | Ishikawajima Harima Heavy Ind Co Ltd | 取水装置 |
JP2002138445A (ja) * | 2000-10-30 | 2002-05-14 | Tokyo Electric Power Co Inc:The | クラゲ処理装置 |
JP4439845B2 (ja) * | 2003-06-24 | 2010-03-24 | 株式会社ブンリ | 浮遊物回収装置 |
NO20041471A (no) | 2004-04-07 | 2005-08-15 | Ide Til Produkt As | Fremgangsmåte og anordning for oppsamling av flytende avfall på en vannoverflate. |
-
2013
- 2013-02-08 IT IT000069A patent/ITRM20130069A1/it unknown
-
2014
- 2014-02-06 US US14/766,928 patent/US20160010300A1/en not_active Abandoned
- 2014-02-06 WO PCT/IT2014/000034 patent/WO2014122684A1/en active Application Filing
- 2014-02-06 JP JP2015556624A patent/JP6329969B2/ja active Active
- 2014-02-06 CA CA2900439A patent/CA2900439C/en active Active
- 2014-02-06 EP EP14716984.1A patent/EP2954118B1/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4183464B1 (en) * | 2021-11-19 | 2024-08-28 | Universiteit Antwerpen | Plastic pellet trap device |
Also Published As
Publication number | Publication date |
---|---|
JP2016507679A (ja) | 2016-03-10 |
EP2954118A1 (en) | 2015-12-16 |
ITRM20130069A1 (it) | 2014-08-09 |
CA2900439A1 (en) | 2014-08-14 |
US20160010300A1 (en) | 2016-01-14 |
CA2900439C (en) | 2021-03-30 |
JP6329969B2 (ja) | 2018-05-23 |
WO2014122684A1 (en) | 2014-08-14 |
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