EP2379394A1 - Sandstreusystem - Google Patents
SandstreusystemInfo
- Publication number
- EP2379394A1 EP2379394A1 EP10700258A EP10700258A EP2379394A1 EP 2379394 A1 EP2379394 A1 EP 2379394A1 EP 10700258 A EP10700258 A EP 10700258A EP 10700258 A EP10700258 A EP 10700258A EP 2379394 A1 EP2379394 A1 EP 2379394A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grit
- metering device
- conveying
- metered
- spreading
- 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.)
- Granted
Links
- 230000007480 spreading Effects 0.000 title claims abstract description 35
- 238000003892 spreading Methods 0.000 title claims abstract description 35
- 239000004576 sand Substances 0.000 title description 19
- 239000000463 material Substances 0.000 claims description 7
- 230000001413 cellular effect Effects 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000032258 transport Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
- B61C15/08—Preventing wheel slippage
- B61C15/10—Preventing wheel slippage by depositing sand or like friction increasing materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
- B61C15/08—Preventing wheel slippage
- B61C15/10—Preventing wheel slippage by depositing sand or like friction increasing materials
- B61C15/102—Preventing wheel slippage by depositing sand or like friction increasing materials with sanding equipment of mechanical or fluid type, e.g. by means of steam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K13/00—Other auxiliaries or accessories for railways
Definitions
- the invention relates to a system for scattering of material in front of wheels of vehicles, in particular rail vehicles, with at least one container for the grit, at least one arranged under each grit container means for metering the grit with an outlet for dispensing the metered grit and with a means for conveying the metered grit via a feed line to the vehicle, wherein a metering device are associated with at least two means for conveying the metered grit via at least two delivery lines.
- Such spreading systems serve to increase the friction between the vehicle wheel and the ground by scattering grit in front of the wheels of vehicles and thereby to reduce the braking distance and to facilitate the start.
- Spreading systems are used in particular in rail vehicles, but also in trucks or buses. As a grit, especially dry sand is used. However, other suitable materials may be used.
- US Pat. No. 2,342,895 A describes a sanding apparatus in which two delivery lines are connected to a sand storage container, wherein a metering device and a valve-controlled compressed air device are provided.
- a sanding device in which in a sand reservoir, a manifold is provided, which is connected valve-controlled with three delivery lines.
- a spreader with a above a steam boiler arranged sand reservoir is described, which is connected at the bottom with a line.
- a vacuum dosing or conveying device transports the sand into two separate conveying lines, which end in the area of the wheels.
- the AT 403 559 B describes a spreader, which transports the grit, in particular the sand, according to the injector principle by means of compressed air via a corresponding conveyor line to the desired location, namely the area immediately in front of the vehicle.
- EP 936 084 A2 describes a piston-controlled metering device for spreaders, by means of which the metering of the sand can be improved.
- a metering device and a conveying device and a delivery line are usually assigned to a grit container.
- a corresponding number of grit containers, metering devices, conveyors and delivery lines is required.
- only relatively short conveyor line lengths could be achieved with previous spreading systems, which is why the grit container together with
- the object of the present invention is to provide an above-mentioned spreading system, by which the assembly and disassembly and maintenance costs can be reduced.
- the spreading system should be as economical as possible and avoid or at least reduce the disadvantages of known devices.
- the feeders associated with the metering device are formed by a pneumatically operated multiple injector with at least two cavities for the task of metered grit, each with a compressed air port per cavity, and in each case a connection for the delivery line opposite the compressed air port of each cavity , Which is arranged Mehrfachinjektor below the outlet opening of the metering device.
- a common grit container and at least one associated metering device is used and the grit is distributed to a corresponding number of conveyors and conveyor lines.
- the number of grit containers can be significantly reduced with the associated dosing and can be reduced in the consequence, the cost of the system components.
- the acquisition costs and maintenance can be reduced in terms of time and thus cost, since fewer components must be maintained and less grit containers must be filled. Since larger distances between the grit container and the vehicle wheel to be spread, for example up to 20m, can be bridged with new metering and conveying devices, it is possible to accommodate the grit container at a correspondingly suitable position in the vehicle.
- the central grit container with the Dosing and the conveyors are positioned there in the vehicle, where there is a constructive open space and where the system components are exposed to less environmental influences and mechanical influences.
- the lifetime of the system components can be increased or the system components can be correspondingly less robust and thus also made easier.
- the conveying devices associated with the metering device or the grit container by the pneumatically actuated multiple injector with at least two cavities for the task of metered grit, each with a compressed air port per cavity and a respective connection opposite the compressed air port of each cavity are formed for the delivery line, wherein the multiple injector is arranged below the outlet opening of the metering device.
- the conveyor can thus transport the grit via at least two separate conveyors.
- the at least two cavities for the task of metered grit are in communication with the outlet opening of the metering device, so that the grit to be metered in by the grit container can reach all the cavities of the multiple injector and, as a consequence, all delivery lines.
- the compressed air connections and the delivery line connections of the multiple injector can be arranged side by side in the same direction for conveying the grit. With such a construction, all the compressed air connections on one side of the multiple injector and the connections for all delivery lines on the opposite side are thus located.
- the compressed air connections and the delivery line connections of a multiple injector can also be arranged alternately opposite to one another in order to convey the grit in the opposite direction.
- a double injector can be produced, which can convey the grit in two opposite directions seen from the grit container from.
- each multiple injector is formed of aluminum.
- the manufacturer ment of this light metal is relatively easy and inexpensive possible.
- this material gives the injector the necessary corrosion resistance.
- a seal is provided between the grit container and the metering device.
- This seal is made of a suitable elastic material.
- a seal made of a suitable elastic material may also be provided between the metering device and each associated conveyor.
- the arranged below the grit container metering device can be formed for example by a rotatable feeder, which cellular has several wings, between which chambers are formed, in which the grit can be picked up and dosed into the subsequent conveyor.
- the metering device may also be formed by a piston control with an axially displaceable piston.
- the dosage of the grit takes place by displacement of the piston and the resulting change in an opening gap in the connection between grit container and conveyor.
- the metering device can also be formed by a frequency control with a solenoid. Such a construction can optimally regulate the amount of grit conveyed as a function of the vehicle speed.
- the metering device and all of these metering device associated conveyors are housed in a common housing.
- a structural unit can be formed, which can be quickly and easily assembled and disassembled.
- 3a and 3b a rail vehicle with a sand spreading system according to the invention according to a second embodiment
- Fig. 6 is a perspective view of one embodiment of a conveyor not forming part of the invention formed by two single injectors;
- FIG. 7 shows a perspective view of a conveying device according to the invention in the form of a multiple injector
- FIG. 8 is a perspective view of another embodiment of a double injector with opposite conveying direction of the grit;
- FIG. 9 shows a perspective view of a double injector according to FIG. 7 with a metering device arranged above it in the form of a cellular wheel control;
- FIG. 10 shows a perspective view of a double injector according to FIG. 8 with a metering device arranged above it in the form of a piston control;
- FIG. 11 shows a perspective view of a double injector according to FIG. 7 with a metering device arranged above it in the form of a frequency-controlled lifting magnet.
- 1a and 1b show a schematic side view and top view of a rail vehicle 1, for example a locomotive, with a total of eight wheels, which are arranged on four axes.
- each vehicle wheel 2 to be covered is assigned a container 3 for receiving the grit 4, in particular the sand.
- Below each grit container 3 there is a device 5 for metering the grit 4 with a corresponding outlet opening 6 for dispensing the metered grit 4.
- a grit container 3 Pro to besandenden vehicle 2 thus a grit container 3, a metering device 5, a conveyor 7 and the corresponding conveyor line 8 are required.
- a total of four scattering units with a total of four grit containers 4 are arranged in the vehicle 1.
- the vehicle 1 Apart from the manufacturing cost of these system components and the increased assembly costs of the effort for filling this number of grit containers 3 is relatively high, as to fill the grit container 3, the vehicle 1 must be traveled on both sides with a corresponding refill unit.
- the length of the conveyor line 8 in conventional systems due to the nature of the dosage and promotion of the grit 4 is severely limited, so the system components must be relatively close to the besandenden vehicle wheel 2, for example in the bogie of a rail vehicle.
- the effects of weather and mechanical influences in the area of the bogie have a negative effect on the system components and severely limit the service life of the individual units or increase the maintenance effort.
- FIG. 2a and 2b show a schematic side view and top view of a vehicle 1, which is equipped with a spreading system according to the invention.
- two grit containers 3 are each arranged with a metering device 5, for example in the middle of the vehicle 1 and each metering device 5 associated with two conveyors 7, which transport via two conveyor lines 8 the grit 4 to besandenden vehicle wheels 2.
- a metering device 5 for example in the middle of the vehicle 1
- each metering device 5 associated with two conveyors 7, which transport via two conveyor lines 8 the grit 4 to besandenden vehicle wheels 2.
- Fig. Ia and Ib thus the number of grit containers
- the grit container 3 can be positioned with the associated metering device 5 and the associated conveyors 7 at a correspondingly suitable location in the vehicle 1, where they are exposed, for example, not so strong weathering and mechanical influences. This in turn can significantly increase the life of the system components.
- FIGS. 1 In the embodiment according to FIGS.
- the conveying devices 7 assigned to a metering device 5 are designed such that they convey the spreading material 4 to be conveyed via two corresponding conveying lines 8 in the same direction.
- the scattering device shown in Fig. 2b below is activated in the direction of travel of the vehicle 1 to the right, the scattering device shown above in the direction of travel of the vehicle 1 to the left.
- FIG. 3a and 3b show schematically a further embodiment of the scattering system according to the invention, wherein each of a grit container 3 and a metering device 5 associated conveyors 7 are formed so that they the grit
- all eight vehicle wheels 2 are sanded by two centrally arranged grit containers 3 each having two metering devices 5 associated therewith.
- Each metering device 5 in turn is associated with two conveyors 7, which transport the grit 4 via corresponding lines 8 in each case in the opposite direction to the corresponding vehicle wheels 2.
- 5a and 5b show a side view and top view of a vehicle 1 with eight axes and a total of 16 sanded vehicle wheels 2.
- the scattering system according to the invention requires only two grit containers 3, each grit container 3 each two metering devices 5 and a total of eight conveyors 7 for promoting Scraps are assigned via corresponding conveyor lines 8 to be assigned to the vehicle wheels 2.
- FIG. 6 shows a perspective view of two conveying devices 7 in the form of two individual injectors 9 arranged in parallel.
- These pneumatically actuated individual injectors 9 each have a cavity 10 for discharging the metered spreading material 4 out of the outlet opening 6 of the metering device 5 (not shown).
- the cavity 10 is connected on one side with a compressed air connection 11, via which the corresponding compressed air is blown into the cavity 10 of the single injector 9. Due to the resulting negative pressure, the grit 4 is sucked into the cavity 10 and transported away via a terminal 12 opposite the compressed air port 11 for the delivery line 8 to besandenden vehicle wheel 2.
- the individual injectors 9 are arranged so that the grit 4 can be transported via two conveyor lines 8 in the same direction.
- the conveyors 7 formed by the Einzelinjektoren 9 are fastened via corresponding fasteners with the metering device 5, possibly with the interposition of a corresponding seal (not shown).
- FIG. 7 shows a variant according to the invention with respect to FIG. 6, in which two delivery devices 7 assigned to a metering device 5 are formed by a pneumatically actuated multi-injector 13.
- the multiple injector 13 is preferably made of aluminum.
- the compressed air connections 11 of the two cavities 10, and thus the corresponding connections 12 are arranged opposite each other for the delivery lines 8, so that a promotion of the grit 4 via the delivery lines 8 in the opposite direction is possible.
- This construction is advantageous, for example, for the embodiment of the spreading system according to FIGS. 3a and 3b.
- FIG. 9 shows a perspective view of a multiple injector 13 according to FIG. 7 with a metering device 5 arranged above it in the form of a cellular wheel control.
- This cellular wheel control includes a rotatable cell wheel, via which the grit 4 coming from the grit container 3 is metered and forwarded to the conveyors 7.
- the variant according to FIG. 10 shows a multiple injector 13 according to FIG. 8, which is formed with a metering device 5 in the form of a piston control with an axially displaceable piston.
- FIG. 11 shows an embodiment in which a multiple injector 13 according to FIG. 7 is connected to a metering device 5 in the form of a frequency control with a solenoid. Between the metering device 5 and the grit container 3 each have a corresponding seal 14 may be arranged. Likewise, a corresponding seal 15 can be placed between the metering device 5 and the conveying devices 7 or the multiple injector 13.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10700258T PL2379394T3 (pl) | 2009-01-22 | 2010-01-15 | System rozsypywania piasku |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0010609A AT507976B1 (de) | 2009-01-22 | 2009-01-22 | Streuvorrichtung zum streuen von streugut vor die räder eines fahrzeugs |
PCT/EP2010/050444 WO2010084085A1 (de) | 2009-01-22 | 2010-01-15 | Sandstreusystem |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2379394A1 true EP2379394A1 (de) | 2011-10-26 |
EP2379394B1 EP2379394B1 (de) | 2014-04-02 |
Family
ID=41718301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10700258.6A Active EP2379394B1 (de) | 2009-01-22 | 2010-01-15 | Sandstreusystem |
Country Status (10)
Country | Link |
---|---|
US (1) | US8500177B2 (de) |
EP (1) | EP2379394B1 (de) |
KR (1) | KR20110116185A (de) |
CN (1) | CN102292250B (de) |
AT (1) | AT507976B1 (de) |
CA (1) | CA2748953C (de) |
ES (1) | ES2467113T3 (de) |
PL (1) | PL2379394T3 (de) |
RU (1) | RU2526772C2 (de) |
WO (1) | WO2010084085A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019228909A1 (de) | 2018-06-01 | 2019-12-05 | Knorr-Bremse Gmbh | Sandungsanlage mit einer einstelleinrichtung für die fördereinrichtung |
US11926350B2 (en) | 2018-03-05 | 2024-03-12 | Nowe Gmbh | Device and method for dispensing a friction-coefficient-optimizing mixture |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010016733B4 (de) * | 2010-04-30 | 2012-09-20 | Bayer Materialscience Aktiengesellschaft | Konditioniervorrichtung und Verfahren zum Trocknen und Temperieren eines Schotterbetts |
EP3590782B1 (de) * | 2010-08-09 | 2021-09-15 | General Electric Company | Zugkraftsystem und verfahren |
BR102014020277B8 (pt) | 2013-08-15 | 2021-11-30 | Gen Electric | Sistema de controle de veículo |
US10106177B2 (en) | 2013-08-15 | 2018-10-23 | General Electric Company | Systems and method for a traction system |
CN103434514A (zh) * | 2013-08-23 | 2013-12-11 | 长春轨道客车股份有限公司 | 100%低地板轻轨车辆的撒砂系统 |
US9878578B2 (en) * | 2015-09-30 | 2018-01-30 | Siemens Industry, Inc. | Windscreen for housing a sanding system, railway vehicle with sanding system, and method for installing a sanding system in a railway vehicle |
CN105346543B (zh) * | 2015-10-30 | 2018-06-12 | 南车株洲电力机车有限公司 | 一种轨道交通车辆及其撒砂装置 |
DE102016100291B3 (de) * | 2016-01-11 | 2017-03-16 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Ausbringeinrichtung und Verfahren zum Ausbringen von Reibwertmodifikatoren für ein Schienenfahrzeug |
DE102017205622A1 (de) | 2017-04-03 | 2018-10-04 | Siemens Aktiengesellschaft | Dosiereinrichtung für eine Sandstreuanlage eines Schienenfahrzeugs |
DE102018202305A1 (de) * | 2018-02-15 | 2019-08-22 | Siemens Aktiengesellschaft | Streumittelvorrichtung für ein Schienenfahrzeug mit einem Verteilerelement |
AT521693B1 (de) * | 2019-01-11 | 2020-04-15 | Nowe Gmbh | Verfahren zur Steuerung einer Einrichtung zur Dosierung von Granulat und Dosiereinrichtung zur Dosierung von Granulat |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1110391A (en) * | 1913-11-28 | 1914-09-15 | Adolph H Flucken | Track-sander for locomotives. |
US1392230A (en) * | 1921-03-07 | 1921-09-27 | Howard M Shade | Track-sander |
US1703430A (en) * | 1928-03-20 | 1929-02-26 | Charles E Fuller Jr | Vacuum sander |
US1776688A (en) * | 1930-05-09 | 1930-09-23 | Charles A Pratte | Vacuum sander |
US2099283A (en) * | 1936-12-22 | 1937-11-16 | Hale W Stevenson | Traction spreader |
US2138526A (en) * | 1937-02-08 | 1938-11-29 | Nation Augustus | Sanding apparatus |
US2342895A (en) * | 1942-06-04 | 1944-02-29 | Edmund P Kelly | Track sanding device |
US2589794A (en) | 1947-01-16 | 1952-03-18 | Virgil L Frantz | Operating valve |
US3345097A (en) * | 1965-03-19 | 1967-10-03 | Gen Motors Corp | Locomotive with sanding system having continuous air flow |
US4012062A (en) * | 1975-10-16 | 1977-03-15 | Lawrence Peska Associates, Inc. | Sanding device for a motor vehicle |
AT403559B (de) | 1995-01-11 | 1998-03-25 | Goldmann Norbert | Streugerät |
AT409118B (de) * | 1997-06-05 | 2002-05-27 | Siemens Sgp Verkehrstech Gmbh | Sandungseinrichtung |
RU2164483C2 (ru) * | 1997-07-24 | 2001-03-27 | Милованов Алексей Игоревич | Противоюзовое устройство |
AT405499B (de) * | 1998-02-16 | 1999-08-25 | Goldmann Norbert | Abdichtung für kolbengesteuerte dosiereinrichtungen bei streugeräten |
RU2252166C1 (ru) * | 2003-11-28 | 2005-05-20 | Закрытое акционерное общество "Спецремонт" | Способ повышения сцепных свойств рельсового транспортного средства и устройство для его осуществления |
DE102004014360B4 (de) | 2004-03-24 | 2010-05-20 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Sandungseinrichtung für Schienenfahrzeuge |
-
2009
- 2009-01-22 AT AT0010609A patent/AT507976B1/de not_active IP Right Cessation
-
2010
- 2010-01-15 KR KR1020117019470A patent/KR20110116185A/ko not_active Application Discontinuation
- 2010-01-15 ES ES10700258.6T patent/ES2467113T3/es active Active
- 2010-01-15 WO PCT/EP2010/050444 patent/WO2010084085A1/de active Application Filing
- 2010-01-15 EP EP10700258.6A patent/EP2379394B1/de active Active
- 2010-01-15 RU RU2011134837/11A patent/RU2526772C2/ru active
- 2010-01-15 US US13/144,598 patent/US8500177B2/en active Active
- 2010-01-15 PL PL10700258T patent/PL2379394T3/pl unknown
- 2010-01-15 CA CA2748953A patent/CA2748953C/en active Active
- 2010-01-15 CN CN2010800050301A patent/CN102292250B/zh active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2010084085A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11926350B2 (en) | 2018-03-05 | 2024-03-12 | Nowe Gmbh | Device and method for dispensing a friction-coefficient-optimizing mixture |
WO2019228909A1 (de) | 2018-06-01 | 2019-12-05 | Knorr-Bremse Gmbh | Sandungsanlage mit einer einstelleinrichtung für die fördereinrichtung |
DE102018208688A1 (de) | 2018-06-01 | 2019-12-05 | Knorr-Bremse Gmbh | Sandungsanlage mit einer Einstelleinrichtung für die Fördereinrichtung |
Also Published As
Publication number | Publication date |
---|---|
RU2526772C2 (ru) | 2014-08-27 |
WO2010084085A1 (de) | 2010-07-29 |
ES2467113T3 (es) | 2014-06-11 |
AT507976B1 (de) | 2011-03-15 |
AT507976A1 (de) | 2010-09-15 |
US20110278863A1 (en) | 2011-11-17 |
CA2748953A1 (en) | 2010-07-29 |
CN102292250A (zh) | 2011-12-21 |
KR20110116185A (ko) | 2011-10-25 |
CN102292250B (zh) | 2013-10-23 |
EP2379394B1 (de) | 2014-04-02 |
CA2748953C (en) | 2016-09-06 |
RU2011134837A (ru) | 2013-02-27 |
US8500177B2 (en) | 2013-08-06 |
PL2379394T3 (pl) | 2014-09-30 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20110630 |
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