WO2006106343A1 - Soupape de fermeture - Google Patents

Soupape de fermeture Download PDF

Info

Publication number
WO2006106343A1
WO2006106343A1 PCT/GB2006/001266 GB2006001266W WO2006106343A1 WO 2006106343 A1 WO2006106343 A1 WO 2006106343A1 GB 2006001266 W GB2006001266 W GB 2006001266W WO 2006106343 A1 WO2006106343 A1 WO 2006106343A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
valve device
shaft
plug
outlets
Prior art date
Application number
PCT/GB2006/001266
Other languages
English (en)
Inventor
Peter Martin Docherty
Original Assignee
Pdm Technologies Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pdm Technologies Limited filed Critical Pdm Technologies Limited
Priority to GB0717684A priority Critical patent/GB2438557B/en
Publication of WO2006106343A1 publication Critical patent/WO2006106343A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0401—Gullies for use in roads or pavements
    • E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/44—Details of seats or valve members of double-seat valves
    • F16K1/443—Details of seats or valve members of double-seat valves the seats being in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K39/00—Devices for relieving the pressure on the sealing faces
    • F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves

Definitions

  • the present invention relates to an apparatus and method for preventing the flow of liquid in a pipe. If the spill of a pollutant, such as fuel or oil, or even milk occurs on a site, such as a road or car park, then it is desirable to contain the spill on the site without letting it enter the watercourse or the main sewer. Valves are often used in combination with separators to contain spillages on site.
  • a pollutant such as fuel or oil, or even milk
  • valves such as those found in drainage system manholes, catchment pits, separators etc., often require a large force to open and close them.
  • the large force required to open them is due to build-up of pressure on the upstream side of the valve and the large force required to close them is due to the high flow rate passing through them.
  • actuators of this type require a mains power source and are expensive. If a valve is to be installed in a remote location then providing a mains power source is often not a simple procedure and may even be impossible.
  • a valve device comprising a body having an inlet and first " and second outlets, a shaft located in the body, with first and second plugs located on it, one for each outlet, and a support element inside the body for axially guiding the shaft, the shaft being moveable along an axis which passes through first and second outlets in such a way that the valve can be closed by moving the shaft in one direction so that first and second plugs seal first and second outlets respectively.
  • valve of this type the pressure in the valve when closed is balanced, because it acts equally to close one outlet and open the other.
  • the only static force to overcome is therefore that due to the weight of the fluid, e.g. water, when one outlet is above the other.
  • This can be done with, say, a battery-powered or other non-mains-powered actuator.
  • the valve can therefore be described as a kind of double- seated valve, but its construction and application are new.
  • the body of the valve device can be based on a standard T-piece.
  • the support element may be in the form of an oblong or rectangular plate fixed at each end, with a central hole for the shaft to pass through, and a separate passage or passages for fluid to pass through, e.g. to each side of the plate.
  • the second plug has a through-hole in it, and a third plug having a smaller cross-sectional area than the second plug is located on the shaft in between the first and second plugs so that in the valves closed position the third plug seals the through- hole of the second plug.
  • the shaft can be locked in an open position and a closed position.
  • the valve may be opened and closed by moving the shaft. This can be achieved in a number of ways, for example by using a fluid actuator, preferably a pneumatic actuator, a small electric motor or a pulley arrangement.
  • the valve includes an energy-storing means such as a battery for powering the valve.
  • the valve device may include a solar panel for trickle-charging the battery.
  • the battery may be mains-charged. Since the valve needs only a low power for operation a battery is sufficient.
  • a pneumatic store could also be used.
  • valve device includes a transmitter/ receiver unit.
  • the valve device may include a sensor for detecting a spilled pollutant.
  • the sensor may include a o
  • transmitter/receiver for communication with the main transmitter/receiver unit of the valve.
  • first and second outlets of the body are connected to each other and a single outlet is provided from this connected portion.
  • a valve installation comprising a casing with such a valve device located within it, the inlet to the valve being extended to the outside of the casing.
  • a manhole constitutes the casing and a drainage duct is connected to the inlet. If a spill occurs on the site the valve can be swiftly closed.
  • the invention also concerns a method for preventing a spill leaving a site, comprising the steps of fitting a valve device to at least one site drainage outlet and closing the valve in response to the occurrence of a spill.
  • the valve may close automatically in response to the detection of a spill.
  • the valve is opened or closed by trans- mitting a signal from a remote unit to the transmitter/ receiver unit.
  • the transmitter/receiver unit may transmit a signal relating to the status of the valve to a remote unit.
  • This signal may relate to battery life and/or solar panel charging information and/or GSM signal strength and/or operational history and/or the open or closed state of the valve.
  • Fig. 1 shows a first embodiment of the valve in a closed position
  • Fig. 2 shows a first embodiment of the valve opening
  • Fig. 3 shows a first embodiment of the valve in an open position
  • Fig. 4 shows a second embodiment of the valve in an open and closed position
  • Fig. 5 shows a third embodiment of the valve in an open position
  • Fig. 6 shows a valve installation.
  • Pig. 1 shows a first embodiment of the valve in a closed position.
  • the valve device comprises a valve body or housing 12 which is based on a standard pipe T-piece having an inlet 14, a first outlet 16 and a second outlet 18. Located within the T-piece are an adjustable tapered first plug 22, a coned second plug 24, which is sealed using rubber 0-ring 25, and a tapered insert 27.
  • the first and second plugs 22, 24 are located on a threaded shaft 20 that passes through a support plate 26 that is located within the body 12. The sizes of these components depend on the type and size of the T-piece used.
  • the T-piece valve is fitted onto the end of the pipe (not shown) where the flow needs to be controlled and is sealed using a rubber seal 15.
  • the valve is supported in this position using a suitable bracket arrangement.
  • This bracket arrangement is not shown as its size and construction will depend on the position of the pipe onto which the T-piece is fitted and its proximity to a fixed structure such as a wall or other support.
  • the complete plug section comprising the shaft 20, first plug 22 and second plug 24, is guided vertically down via the support plate 26.
  • the support plate is in the form of a disk and has a central hole 28 through which the threaded shaft 20 passes.
  • the disk also has other holes 30 drilled into its surface to allow liquid to pass through.
  • the lower second coned plug 24 is located on the tapered insert 27 and sealing is ensured through the use of the rubber seal 0-ring 25.
  • the upper tapered first plug 22 is located within the top of the T- piece section and sealing is ensured through the use of the rubber seal 23.
  • the tapered plug 22 can be adjusted up or down via lock nuts 13 to achieve the correct seal.
  • the fluid flow enters the inlet 14 of the T-piece body 12 and is prevented from exiting the outlets 16, 18 of the T-piece by the tapered first plug 22 and the coned second plug 24.
  • Fluid pressure will build up within the pipe and T-piece body section 12 creating a downwards force on the back of the coned second plug 24 and because of the holes 30 within the support disk 26 upward pressure will be applied to the underneath surface of tapered first plug 22. Due to the weight of the water in the valve body 12 the total force applied to the back of the coned second plug 24 will be slightly greater that the force applied to the underneath of the tapered first plug 22. Since the force in the downwards direction is greater than the force in the upwards direction the valve remains sealed.
  • Fig. 2 shows the valve during opening. Owing to the relatively small difference in pressure being applied by the fluid to the first and second plugs, the force required to open the valve is dramatically reduced, when compared to that required to open a Penstock valve, for example.
  • the valve can be operated either manually or automatically using various simple lifting mechanisms such as blocks, pulleys and/or a motor attached to the shackle 17.
  • the fluid flow is indicated by the arrows and, as can be seen, the liquid exits the T-piece from both first and second outlets 16, 18. The fluid is able to exit from the first outlet 16 due to the holes 30 drilled in the support disk 26.
  • Fig. 3 shows the first embodiment of the valve in the fully open configuration. This is achieved by continuing to lift the shaft 20 of the plug section upwards via the shackle 17 until the upper surface of the coned second plug 24 rests against the lower surface of the support disk 26. In this position the holes 30 in the support disk 26 are blocked by the upper surface of the coned second plug 24 and the flow of fluid is directed downwards to exit the second outlet 18 of the T-piece body or housing 12.
  • Fig. 4 shows a valve representing a second embodiment of the invention in both an open and a closed configuration.
  • the valve comprises a valve body 12 which is based on a standard pipe T-piece having an inlet 14, a first outlet 16 and a second outlet 18.
  • Located within the valve body is a shaft 20 which has mounted on it a first plug 22, a second plug 24 and a third plug 34.
  • the second plug 24 is freely moveable along the shaft 20 and is prevented from coming off the shaft by a stop 21.
  • the first plug 22 is fixedly attached towards the top of the shaft and third plug 34 is attached to the shaft in between first and second plugs.
  • the second plug 24 has a number of through-holes 32 in it in the axial direction.
  • the cross- sectional size of the third plug 34 is chosen to be such that when concentrically located with the second plug 24 the third plug 34 covers the through-holes 32 of the second plug.
  • the support plate 26 does not cover the entire cross-section of the first outlet 16 of the valve body 12 but instead there are passages 30 that allow fluid to flow out of the valve.
  • the first plug 22 seals the first outlet 16
  • the second plug 24 is located within the second outlet 18 and the third plug 34 is seated on the second plug and seals the through-holes 32.
  • the shaft 20 is moved in an upwards direction.
  • the first and third plugs 22, 34 move since the second plug is not fixedly attached to the shaft 20. Since the third plug 34 has a smaller cross-sectional area than the second plug 24, the force required to open the valve is reduced when compared with the valve of the first embodiment.
  • the second plug 24 is picked up as the stop 21 comes into contact with the bottom of it.
  • the third plug 34 comes into contact with the support plate 26 and hence the shaft cannot be moved further.
  • the valve is now in a fully open position and fluid can flow out of the valve body 12 through both first and second outlets 16, 18.
  • Fig. 5 shows a third embodiment of the valve, which is an in-line version. It is of the same construction as the second embodiment except that the first and second outlets 16, 18 are connected to each other through a pipe 44 and a single outlet 46 is provided which is concentric with the inlet 14. This means that the valve can be simply fitted as an in-line valve to an existing pipework system.
  • Fig. 6 shows a valve installation 40.
  • the valve installation 40 shown in Fig. 6 comprises a valve device 10 of the first embodiment, although a valve device of the second or third embodiment could be used, located within a manhole casing 42.
  • the inlet 14 to the valve device 10 extends to the outside of the manhole casing 42 and an outlet 43 is provided from the manhole 42 " .
  • the shaft 20 of the valve device 10 extends through the top of the manhole casing and is attached to a pneumatic actuator 36.
  • the pneumatic actuator 36 is controlled by a control unit 37 which is powered by a battery 53, the battery being charged by a solar panel 38 or by a mains supply 54.
  • the valve 10 is closed by moving the shaft 20 in a downwards direction, this is done by the pneumatic actuator 36.
  • the closure of the valve 10, by operating the pneumatic actuator 36, can be controlled by the switch, the transmitter/receiver unit 50 or the sensor 52.
  • the switch is pressed which causes the pneumatic actuator 36 to move the shaft 20 downwards which in turn closes the valve 10.
  • the valve 10 can be opened by pressing the switch again.
  • the valve 10 may be closed remotely by transmitting a signal from a remote unit 48, 49, 51 to the transmitter/receiver unit 50.
  • the remote units 48, 49, 51 and the transmitter receiver unit 50 all communicate on the GSM network.
  • the signal to operate the valve can be transmitted from a mobile phone 48.
  • a specific number must be dialled, this signal is received by the transmitter/receiver unit 50 and if the number the signal is received from is a known number the pneumatic actuator 36 is activated and the valve 10 is closed.
  • the valve only responds to an known number to ensure that the valve is only closed (or opened) by authorised personnel.
  • the transmitter/receiver unit 50 then sends an SMS message to the mobile phone 48 the instruction was received from, reporting the battery life, the solar panel charging information, the GSM signal strength, the operational history of the valve, any warning information and whether the valve is open or closed. This SMS message will be sent every 24 hours until it is replied to with a SMS message reading ACCEPT.
  • the software may also be programmed to perform certain tasks on a regular basis. For example it might be desirable to open and close a number of valves every week to ensure that they still work. It may also be desirable, for example, to check on the status of a number of valves every day to ensure that the battery life is sufficient. This ability for remote diagnostics would be greatly beneficial when monitoring a large number of valves distributed over a large area.
  • the valve may be closed automatically in response to the spill of a pollutant.
  • the sensor 52 is installed upstream of the valve and is adapted to recognise a particular pollutant such as oil. When the sensor 52 detects the pollutant it transmits a signal to the control unit 37 via the sensor control 51 that indicates that the valve should be closed.
  • the sensor control 51 may be either hard-wired to the control unit 37 or may comprise a GSM transmitter which transmits a signal to the transmitter/receiver unit 50.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Multiple-Way Valves (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Abstract

Cette invention concerne un dispositif de soupape (10) pour fermer un conduit de drainage afin d’éviter des déversements provoquant une pollution des eaux souterraines. Le dispositif comprend un corps (12) avec un orifice d’entrée (14) et un premier et un second orifices de sortie (16, 18), un arbre (20) situé dans le corps, avec un premier et un second bouchons (22, 24) placés sur chaque orifice de sortie, et un élément de support (26) à l’intérieur du corps pour un guidage axial de l’arbre. L’arbre est mobile le long d’un axe passant à travers le premier et le second orifices de sortie de sorte que la soupape puisse être fermée en déplaçant l’arbre dans un sens tel que le premier et le second bouchons (22, 24) obturent respectivement le premier et le second orifices de sortie (16, 18). Ceci réduit nettement la force nécessaire pour actionner la soupape, et permet donc sa commande à distance sans exiger de secteur.
PCT/GB2006/001266 2005-04-06 2006-04-06 Soupape de fermeture WO2006106343A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0717684A GB2438557B (en) 2005-04-06 2006-04-06 Closure valve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0506963A GB0506963D0 (en) 2005-04-06 2005-04-06 Drain plug closure valve
GB0506963.8 2005-04-06

Publications (1)

Publication Number Publication Date
WO2006106343A1 true WO2006106343A1 (fr) 2006-10-12

Family

ID=34586783

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2006/001266 WO2006106343A1 (fr) 2005-04-06 2006-04-06 Soupape de fermeture

Country Status (2)

Country Link
GB (2) GB0506963D0 (fr)
WO (1) WO2006106343A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2917808A1 (fr) * 2007-06-22 2008-12-26 Arbatax Soc Par Actions Simpli Vanne a trois voies et groupe de filtration pour piscines
ITVE20130052A1 (it) * 2013-10-02 2015-04-03 Stormwater Italia Srl Sistema integrato per la rilevazione e la gestione degli sversamenti di sostanze liquide e per la protezione ambientale dei corpi recettori
KR102616418B1 (ko) * 2022-09-23 2023-12-22 양해익 추락방지, 높이조절, 경사조절, 가스경보 장치가 구비된 스마트 밸브실

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1021668B (de) * 1952-07-25 1957-12-27 John Maxwell Sheardown Mischventil fuer aus zwei getrennten Leitungen zufliessende Fluessigkeiten
US3884266A (en) * 1972-04-17 1975-05-20 Shigeji Kondo Directional-control valve
DE3216294A1 (de) * 1981-09-07 1983-03-24 Hans Reymond 5492 Vissenbjerg Joergensen Sperrventil fuer leitungsanlagen, insbesondere fuer abdraenungsanlagen fuer unreine fluessigkeiten wie zum beispiel guelle
JPH11324823A (ja) * 1998-05-19 1999-11-26 Nippon Soken Inc 排気ガス再循環装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1021668B (de) * 1952-07-25 1957-12-27 John Maxwell Sheardown Mischventil fuer aus zwei getrennten Leitungen zufliessende Fluessigkeiten
US3884266A (en) * 1972-04-17 1975-05-20 Shigeji Kondo Directional-control valve
DE3216294A1 (de) * 1981-09-07 1983-03-24 Hans Reymond 5492 Vissenbjerg Joergensen Sperrventil fuer leitungsanlagen, insbesondere fuer abdraenungsanlagen fuer unreine fluessigkeiten wie zum beispiel guelle
JPH11324823A (ja) * 1998-05-19 1999-11-26 Nippon Soken Inc 排気ガス再循環装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 02 29 February 2000 (2000-02-29) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2917808A1 (fr) * 2007-06-22 2008-12-26 Arbatax Soc Par Actions Simpli Vanne a trois voies et groupe de filtration pour piscines
ITVE20130052A1 (it) * 2013-10-02 2015-04-03 Stormwater Italia Srl Sistema integrato per la rilevazione e la gestione degli sversamenti di sostanze liquide e per la protezione ambientale dei corpi recettori
KR102616418B1 (ko) * 2022-09-23 2023-12-22 양해익 추락방지, 높이조절, 경사조절, 가스경보 장치가 구비된 스마트 밸브실

Also Published As

Publication number Publication date
GB0506963D0 (en) 2005-05-11
GB0717684D0 (en) 2007-10-17
GB2438557A (en) 2007-11-28
GB2438557B (en) 2009-12-09

Similar Documents

Publication Publication Date Title
US9725894B2 (en) Fluid backflow management system and method of use thereof
CA2647095C (fr) Obturateur gonflable pour conduit de fluide
US20110180161A1 (en) Distributed control system for a vacuum sewer system
CA2450151A1 (fr) Systeme d'irrigation a ecluses
US20180266580A1 (en) Motorized Fluid Flow Control Valve
CN108291834B (zh) 贮罐维护出入腔室
WO2006106343A1 (fr) Soupape de fermeture
KR101740337B1 (ko) 무선으로 정밀한 유량제어가 가능한 전동 볼 밸브
CN1474902A (zh) 用于真空马桶的冲洗流体阀
WO2012148495A1 (fr) Collecteur de coupure automatique
US7926503B2 (en) Fluid injection system
KR101645967B1 (ko) 지능형 원격제어 시스템을 이용하는 통합 원방감시용 프로세스 제어 시스템
US5302088A (en) Water powered sump pump
US20230340763A1 (en) Fluid flushing system
KR101919334B1 (ko) 공기변실 긴급차단 시스템
CN111108316A (zh) 自动截止阀
KR102243772B1 (ko) 수위조절밸브의 자동화 시스템
US20190194928A1 (en) Distributed control system for a vacuum sewer system
WO2002042678A1 (fr) Raccord de tuyauterie
CN111692355B (zh) 一种具有减压防损坏的输水管道阀门
US9803656B2 (en) Control apparatus for a water powered sump pump
US20040107994A1 (en) Apparatus and method for preventing water damage to a structure having a water supply system
KR101534321B1 (ko) 모바일 환경으로 확장 가능한 통합형 원방감시 제어시스템
WO2020188248A1 (fr) Dispositif d'écoulement d'eau
JP3740192B2 (ja) 緊急遮水装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
ENP Entry into the national phase

Ref document number: 0717684

Country of ref document: GB

Kind code of ref document: A

Free format text: PCT FILING DATE = 20060406

WWE Wipo information: entry into national phase

Ref document number: 0717684.5

Country of ref document: GB

NENP Non-entry into the national phase

Ref country code: DE

WWW Wipo information: withdrawn in national office

Country of ref document: DE

NENP Non-entry into the national phase

Ref country code: RU

WWW Wipo information: withdrawn in national office

Country of ref document: RU

122 Ep: pct application non-entry in european phase

Ref document number: 06726669

Country of ref document: EP

Kind code of ref document: A1

WWW Wipo information: withdrawn in national office

Ref document number: 6726669

Country of ref document: EP