CN103157317A - Water filter apparatus and washing method thereof - Google Patents
Water filter apparatus and washing method thereof Download PDFInfo
- Publication number
- CN103157317A CN103157317A CN2011104093552A CN201110409355A CN103157317A CN 103157317 A CN103157317 A CN 103157317A CN 2011104093552 A CN2011104093552 A CN 2011104093552A CN 201110409355 A CN201110409355 A CN 201110409355A CN 103157317 A CN103157317 A CN 103157317A
- Authority
- CN
- China
- Prior art keywords
- water
- filter
- valve
- water inlet
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a water filter apparatus, comprising a water inlet pipe disposed at one end of the water filter apparatus, a water inlet valve for controlling water inlet of the water inlet pipe, a water outlet pipe disposed at the other end of the water filter apparatus, a water outlet valve for controlling water outlet of the water outlet pipe, a filter body disposed between the water inlet pipe and the water outlet pipe, and a filter core disposed in the filter body. The water filter apparatus also comprises a back-washing apparatus which comprises a water draining pipe installed between the water inlet valve and the filter body and a water draining valve for controlling circulation of the water draining pipe. By installing a section of the by-pass water draining pipe and the water draining valve, the filter core in the water filter apparatus can be washed clean directly by using pressure in the pipe. Complex movements such as closing a series of valves, unloading a bottom cover plate, taking out the filter core, washing the filter core, installing the filter core and the like which are needed in an original method for washing the filter core are changed into a simple operation movement of opening and closing the valve, thereby saving labor and time.
Description
Technical field
The present invention relates to a kind of filter, relate in particular to a kind of water filter device.
Background technology
Filter is a kind of device of removing a small amount of solid particle in liquid; can protect the normal operation of equipment; after entering when fluid the filter cylinder that is equipped with the certain specification filter screen; its impurity is blocked, and the filtrate of cleaning is discharged by filter outlet, when needs rinse; as long as dismountable filter cylinder is taken out; reload after processing and get final product, therefore, working service is very convenient.The cardinal principle of filter is all to utilize the aperture of filter medium to hold back the material larger than pore size of media, and the filter medium that certainly has also has the special-effects such as absorption.
The kind of filter is divided into self-cleaning filter, full-automatic filter, stainless steel brush type filter according to operation principle.Wherein, self-cleaning filter is that a kind of filter screen that utilizes is directly tackled impurity in water, removes water body suspension, particle; reduce turbidity; purify water, reduce the generations such as system's dirt, bacterium algae, corrosion, with the precision equipment that purifies water and other equipment of protection system work.Full-automatic filter is a set of equipment that filters at present the industry extensive use, the pollutant holding capability that overcomes the traditional filtering product is little, be subject to that dirt stops up, filtration fraction needs disassembly, cleaning and can't the monitor filter state etc. numerous shortcomings, have the function of former water being filtered and automatically filter core being cleaned automatically blowdown.Stainless steel brush type filter kind has full-automatic stainless steel brush type filter and hand stainless steel brush type filter, its Main Function is exactly the suspension of removing in water, reduce the concentration of suspension in water, particle, reduce turbidity, purify water, reduce system's dirt, bacterium algae, corrosion, purify water etc.The stainless steel brush type filter adopts the internal mechanical structure of patented technology, realized high pressure backwashing function truly, can easily remove up hill and dale the impurity that filter screen is held back, cleaned without the dead angle, flux is undamped, has ensured filter efficiency and permanent service life.
The kind of filter is divided into well strainer (comprising: air cleaner, liquid filter), laminated filter, sand filter, carbon filter etc. according to filter medium.The prototype of air cleaner is that people breathe the respiratory protection utensil that uses for protection.Air cleaner is mainly to be used for some dangerous industries as the respiratory protection utensil, as the production of harmful chemicals.Liquid filter be make the liquid that polluted by cleaning to produce, the needed state of living, namely make liquid reach certain cleanliness factor.
Y-type filter has another name called dirt separator, strainer valve; belong to pipeline coarse filter series; being used for gas or other medium bulky grain things filters; it is the indispensable a kind of filter of pipe-line system of pumped (conveying) medium; its effect is the mechanical admixture in filter medium; can filter to protect the accessory on equipment pipe avoid wearing and tearing and stop up to a small amount of solid particle in the iron rust in sewage, the grains of sand, liquid etc., can protect the normal operation of equipment.Y-type filter is arranged on the entrance point of pressure-reducing valve, relief valve, Valve for keeping constant water level or miscellaneous equipment usually.The characteristics such as y-type filter has the structure advanced person, and resistance is little, and blowdown is convenient.
Y-type filter has certain care and maintenance requirement as a kind of coarse filter, and the core position of filter is the filter chipware, crosses filter core and is comprised of filter frame and stainless steel steel wire, and the stainless steel steel wire belongs to consumable accessory, needs special protection.After filter work a period of time, precipitated certain impurity in cartridge, at this moment Pressure Drop increases, and flow velocity can descend, and needs in time to remove the impurity in cartridge.When cleaning impurity, the stainless steel steel wire of paying special attention on filter core can not be out of shape or damage, otherwise, the filter that refills up, after filtering, the purity of medium does not reach designing requirement.
See also shown in Figure 1, a kind of Y type water filter device of the prior art, it comprises the water inlet pipe that is positioned at an end, control the water inlet end valve of water inlet pipe, be positioned at the outlet pipe of the other end, water side valve, the filter body of controlling outlet pipe, the cover plate that is positioned at the filter body bottom and the filter core that is positioned at filter body inside.After using, can stop up general Y type water filter device, usually way is water side valve and the water inlet end valve closing with Y type water filter device, cover plate unlatching with Y type water filter device bottom, then the filter core of the inside is pulled down flushing, again filter core is reinstalled in filter body after flushing, and cover cover plate, unlatching water inlet end valve and water side valve after completing.But, the mode complex operation of this kind filter cartridge flushing, and waste of manpower and time.
Therefore, for above-mentioned technical problem, be necessary to provide a kind of structure improved water filter device that has, to overcome defects.
Summary of the invention
In view of this, the invention provides a kind of water filter device, this water filter device is filter cartridge flushing comparatively simply, and developing result is good.
For achieving the above object, the invention provides following technical scheme:
A kind of water filter device, comprise water inlet pipe at an end, control the water inlet end valve of water inlet pipe water inlet, at the outlet pipe of the other end, control water side valve, the filter body between water inlet pipe and outlet pipe and the filter core that is positioned at filter body inside of outlet pipe water outlet, described water filter device also comprises back purge system, and described back purge system comprises the drainage pipeline that is installed between water inlet end valve and filter body and the discharge ends valve of controlling the drainage pipeline circulation.
Preferably, in above-mentioned water filter device, described discharge ends valve is stop valve or gate valve or ball valve or butterfly valve.
Preferably, in above-mentioned water filter device, described water filter device is Y type water filter device.
A kind of purging method of water filter device, described purging method are switched in following two states and are completed:
Filter cartridge flushing state not: water inlet end valve and water side valve opening, the discharge ends valve closing, water inlet pipe and outlet pipe consist of water-flowing path;
Filter cartridge flushing state: water inlet end valve closing, water side valve and discharge ends valve opening, outlet pipe and drainage pipeline consist of water-flowing path, impel the water reverse flow to cross filter core and filter cartridge flushing by the pipeline pressure of water side, and then water is drained through drainage pipeline again.
Compared with prior art, the invention has the beneficial effects as follows:
(1) only by drainage pipeline and the discharge ends valve of one section bypass are installed, then directly utilize the pressure of water in pipeline that the filter core in water filter device is rinsed well, need to be by closing a series of valves and pulling down bottom cover plate during with the script filter cartridge flushing, take out filter core, filter cartridge flushing, filter core is installed, and the action that the complexity such as cover plate are installed is converted into the simple operations action of controlled valve, has saved labour and time.
(2) drainage pipeline and discharge ends valve mechanism are simple, buy easily, and cost is low.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing relevant of the present invention in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of Y type water filter device in prior art;
Fig. 2 is the schematic diagram of water filter device of the present invention.
1,1 ' water inlet pipe; 2,2 ' water inlet end valve; 3,3 ' outlet pipe; 4,4 ' water side valve; 5,5 ' filter body; 6,6 ' cover plate; 7,7 ' filter core; 8 drainage pipelines; 9 discharge ends valves.
The specific embodiment
See also shown in Figure 1, a kind of Y type water filter device of the prior art, it comprise the water inlet pipe 1 that is positioned at an end ', control water inlet pipe 1 ' water inlet end valve 2 ', be positioned at the outlet pipe 3 of the other end ', control outlet pipe 3 ' water side valve 4 ', filter body 5 ', be positioned at the cover plate 6 of filter body 5 ' bottom ' and be positioned at the filter core 7 of filter body 5 ' inside '.After using, can stop up general Y type water filter device, usually way is with the water side valve 4 of Y type water filter device ' and water inlet end valve 2 ' close, with the cover plate 6 of Y type water filter device bottom ' unlatching, then the filter core 7 of the inside ' pull down flushing, after flushing again with filter core 7 ' reinstall filter body 5 ' in, and cover cover plate 6 ', unlatching water inlet end valve 2 after completing ' with water side valve 4 '.But, the mode complex operation of this kind filter cartridge flushing, and waste of manpower and time.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is described in detail, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belongs to the scope of protection of the invention.
The invention discloses a kind of water filter device, the mode of this water filter device filter cartridge flushing is simple to operate.
See also shown in Figure 2ly, water filter device comprises the water inlet pipe 1 that is positioned at an end, control the water inlet end valve 2 of water inlet pipe 1 water inlet, be positioned at the outlet pipe 3 of the other end, water side valve 4, the filter body 5 of controlling outlet pipe 3 water outlets, the cover plate 6 that is positioned at filter body 5 bottoms and the filter core 7 that is positioned at filter body 5 inside.Described water filter device is Y type water filter device.
Because consider after water filter device uses and clogging to occur, and in prior art, common way is that water side valve 4 and the water inlet end valve 2 of water filter device are closed, cover plate 6 unlatchings with the water filter device bottom, then the filter core 7 of the inside is pulled down flushing, again filter core 7 is reinstalled in filter body 5 after flushing, and cover cover plate 6, unlatching water inlet end valve 2 and water side valve 4 after completing, the mode complex operation of this kind filter cartridge flushing 7, and waste of manpower and time.So the present invention is provided with a back purge system in addition on water filter device, this back purge system is a bypass duct.
Please continue to consult shown in Figure 2, back purge system comprises and is installed on the drainage pipeline 8 between water inlet end valve 2 and filter body 5 and is arranged on discharge ends valve 9 on drainage pipeline 8.Discharge ends valve 9 is in order to control drainage pipeline 8 circulations.The optional stop valve of the kind of discharge ends valve 9, gate valve, ball valve, butterfly valve etc.The bypass drainage pipeline 8 that increases in the embodiment of the present invention is simple in structure with discharge ends valve 9, buys easily, and cost is low.
When back purge system was not worked, discharge ends valve 9 was closed, and water inlet end valve 2 is opened with water side valve 4, and water-flowing path comprises water inlet pipe 1 and outlet pipe 3; When back purge system was worked, water inlet end valve 2 was closed, and water side valve 4 is opened with discharge ends valve 9, and water-flowing path comprises outlet pipe 3 and drainage pipeline 8.
By the drainage pipeline 8 and discharge ends valve 9 that one section bypass is set, when needs filter cartridge flushing 7, as long as close water inlet end valve 2, and unlatching water side valve 4 and discharge ends valve 9, then directly utilize the pressure of water in pipeline that the filter core 7 in water filter device is rinsed well, need to be by closing a series of valves and pulling down bottom cover plate 6 during with script filter cartridge flushing 7, take out filter core 7, filter cartridge flushing 7, filter core 7 is installed, the action that cover plate 6 complexity such as grade are installed is converted into the simple operations action of controlled valve, has saved labour and time.
The actual use of water filter device comprises following several duty:
Normal operating condition: water inlet end valve 2 is opened with water side valve 4, and discharge ends valve 9 is closed, and water inlet pipe 1 normally circulates with outlet pipe 3;
Filter cartridge flushing 7 states: water inlet end valve 2 is closed, water side valve 4 and discharge ends valve 9 are opened, in pipeline due to the water side, pressure is arranged, water just can the depended on pressure reverse flow be crossed filter core 7, then water is drained from drainage pipeline 8 again, and the process that water oppositely flows backwards under pressure can be rinsed filter core 7 well.
After filter core 7 flushings are complete, can close discharge ends valve 9, and open water inlet end valve 2, can recover Y type water filter normal operating condition.
According to above description, the present invention has disclosed a kind of purging method of water filter device, and this purging method is switched in following two states and completed:
Filter cartridge flushing state not: water inlet end valve and water side valve opening, the discharge ends valve closing, water inlet pipe and outlet pipe consist of water-flowing path;
Filter cartridge flushing state: water inlet end valve closing, water side valve and discharge ends valve opening, outlet pipe and drainage pipeline consist of water-flowing path, impel the water reverse flow to cross filter core and filter cartridge flushing by the pipeline pressure of water side, and then water is drained through drainage pipeline again.
the method of above-mentioned filter cartridge flushing 7, only by controlling the open and close of water inlet end valve 2 and discharge ends valve 9, just can realize the conversion of water-flowing path, water inlet end valve 2 is closed, when discharge ends valve 9 is opened, water-flowing path is converted into the filter cartridge flushing state by filter cartridge flushing state not, the change of water-flowing path this moment can be so that water produces refluence under pressure, the water that flows backwards can be realized again the flushing to filter core 7, need to be by closing a series of valves and pulling down bottom cover plate 6 during with script filter cartridge flushing 7, take out filter core 7, filter cartridge flushing 7, filter core 7 is installed, the action that cover plate 6 complexity such as grade are installed is converted into the simple operations action of controlled valve, developing result is good, labour and time have been saved.
Compared with prior art, the invention has the beneficial effects as follows:
(1) only by drainage pipeline and the discharge ends valve of one section bypass are installed, then directly utilize the pressure of water in pipeline that the filter core in Y type water filter is rinsed well, need to be by closing a series of valves and pulling down bottom cover plate in the time of originally rinsing Y type water filter, filter cartridge flushing, filter core is installed, the action that the complexity such as cover plate are installed is converted into the simple operations action of controlled valve, has saved labour and time.
(2) drainage pipeline and discharge ends valve mechanism are simple, buy easily, and cost is low.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that do not deviate from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, therefore is intended to include in the present invention dropping on the implication that is equal to important document of claim and all changes in scope.Any Reference numeral in claim should be considered as limit related claim.
In addition, be to be understood that, although this specification is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, and the technical scheme in each embodiment also can through appropriate combination, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. water filter device, comprise water inlet pipe at an end, control the water inlet end valve of water inlet pipe water inlet, at the outlet pipe of the other end, control water side valve, the filter body between water inlet pipe and outlet pipe and the filter core that is positioned at filter body inside of outlet pipe water outlet, it is characterized in that: described water filter device also comprises back purge system, and described back purge system comprises the drainage pipeline that is installed between water inlet end valve and filter body and the discharge ends valve of controlling the drainage pipeline circulation.
2. back purge system according to claim 1, it is characterized in that: described discharge ends valve is stop valve or gate valve or ball valve or butterfly valve.
3. back purge system according to claim 1, it is characterized in that: described water filter device is Y type water filter device.
4. purging method as the arbitrary described water filter device of claims 1 to 3 is characterized in that: described purging method is switched in following two states and is completed:
Filter cartridge flushing state not: water inlet end valve and water side valve opening, the discharge ends valve closing, water inlet pipe and outlet pipe consist of water-flowing path;
Filter cartridge flushing state: water inlet end valve closing, water side valve and discharge ends valve opening, outlet pipe and drainage pipeline consist of water-flowing path, impel the water reverse flow to cross filter core and filter cartridge flushing by the pipeline pressure of water side, and then water is drained through drainage pipeline again.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011104093552A CN103157317A (en) | 2011-12-09 | 2011-12-09 | Water filter apparatus and washing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011104093552A CN103157317A (en) | 2011-12-09 | 2011-12-09 | Water filter apparatus and washing method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN103157317A true CN103157317A (en) | 2013-06-19 |
Family
ID=48581160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011104093552A Pending CN103157317A (en) | 2011-12-09 | 2011-12-09 | Water filter apparatus and washing method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103157317A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103693697A (en) * | 2013-12-30 | 2014-04-02 | 农业部环境保护科研监测所 | External filter device of water decanter |
CN109603252A (en) * | 2019-01-23 | 2019-04-12 | 西安新玖大建设工程有限公司 | A kind of intelligent automatic pollution discharge y-type filter and judge cleaning method |
CN109808934A (en) * | 2019-03-20 | 2019-05-28 | 中国恩菲工程技术有限公司 | Gas-phase silica packs the recyclable device and recovery method of quick-fried bag product |
CN111911653A (en) * | 2020-08-06 | 2020-11-10 | 浙江金隆铜业股份有限公司 | Filter valve with automatic back washing function |
CN113856287A (en) * | 2021-10-18 | 2021-12-31 | 浙江怡和卫浴有限公司 | Filter equipment and water system |
CN114776850A (en) * | 2022-04-08 | 2022-07-22 | 陈宗仁 | Three-way valve and filter with same |
CN115253444A (en) * | 2022-08-05 | 2022-11-01 | 杭州云酷智能科技有限公司 | Automatic cleaning assembly for filter screen for cooling liquid pipeline and control method of automatic cleaning assembly |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2367357Y (en) * | 1999-02-02 | 2000-03-08 | 周金隆 | Doll contraption with swinging arms |
JP2000117017A (en) * | 1998-08-13 | 2000-04-25 | Kazunao Kameyama | Y-shaped strainer |
CN2759567Y (en) * | 2004-12-29 | 2006-02-22 | 浙江德安新技术发展有限公司 | On-line backwash gamma type filter apparatus |
CN2848331Y (en) * | 2005-03-15 | 2006-12-20 | 贾延实 | Visible washable filter |
JP2011005419A (en) * | 2009-06-25 | 2011-01-13 | Hitachi Metals Ltd | Y-type strainer and pressure tank |
CN201848146U (en) * | 2010-11-17 | 2011-06-01 | 大连优力特换热设备制造有限公司 | Filter |
CN201848147U (en) * | 2010-11-18 | 2011-06-01 | 浙江维兰特流体科技有限公司 | Y-shaped filter |
-
2011
- 2011-12-09 CN CN2011104093552A patent/CN103157317A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000117017A (en) * | 1998-08-13 | 2000-04-25 | Kazunao Kameyama | Y-shaped strainer |
CN2367357Y (en) * | 1999-02-02 | 2000-03-08 | 周金隆 | Doll contraption with swinging arms |
CN2759567Y (en) * | 2004-12-29 | 2006-02-22 | 浙江德安新技术发展有限公司 | On-line backwash gamma type filter apparatus |
CN2848331Y (en) * | 2005-03-15 | 2006-12-20 | 贾延实 | Visible washable filter |
JP2011005419A (en) * | 2009-06-25 | 2011-01-13 | Hitachi Metals Ltd | Y-type strainer and pressure tank |
CN201848146U (en) * | 2010-11-17 | 2011-06-01 | 大连优力特换热设备制造有限公司 | Filter |
CN201848147U (en) * | 2010-11-18 | 2011-06-01 | 浙江维兰特流体科技有限公司 | Y-shaped filter |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103693697A (en) * | 2013-12-30 | 2014-04-02 | 农业部环境保护科研监测所 | External filter device of water decanter |
CN109603252A (en) * | 2019-01-23 | 2019-04-12 | 西安新玖大建设工程有限公司 | A kind of intelligent automatic pollution discharge y-type filter and judge cleaning method |
CN109808934A (en) * | 2019-03-20 | 2019-05-28 | 中国恩菲工程技术有限公司 | Gas-phase silica packs the recyclable device and recovery method of quick-fried bag product |
CN111911653A (en) * | 2020-08-06 | 2020-11-10 | 浙江金隆铜业股份有限公司 | Filter valve with automatic back washing function |
CN113856287A (en) * | 2021-10-18 | 2021-12-31 | 浙江怡和卫浴有限公司 | Filter equipment and water system |
CN114776850A (en) * | 2022-04-08 | 2022-07-22 | 陈宗仁 | Three-way valve and filter with same |
CN115253444A (en) * | 2022-08-05 | 2022-11-01 | 杭州云酷智能科技有限公司 | Automatic cleaning assembly for filter screen for cooling liquid pipeline and control method of automatic cleaning assembly |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103157317A (en) | Water filter apparatus and washing method thereof | |
CN201959621U (en) | Grain sewage processing device | |
CN103933776A (en) | One-piece self-cleaning filter | |
CN102091449A (en) | Jet automatic back flush filter | |
KR101064635B1 (en) | Self-cleaning filter | |
NZ587435A (en) | Treatment of contaminated liquid by drawing through filtration membranes with pump providing a backwash to membranes actuated by treatment tank level | |
CN207237393U (en) | A kind of water treatment system with backwashing function | |
CN203944189U (en) | A kind of large flow self-cleaning filter | |
CN109731386A (en) | A kind of sewage filter device with automatic back-flushing function | |
CN203436889U (en) | Checking, guiding and filtering device | |
CN206492270U (en) | A kind of straight-through type filter | |
CN201454206U (en) | A non-powered automatic cleaning filter device and a filter system using the device | |
CN207981422U (en) | Full-automatic magnetic filter | |
CN105817063A (en) | System differential-pressure driven back-flush filter | |
CN210915573U (en) | Water purification system with forward and reverse flushing functions and filter | |
CN210216346U (en) | Gate with filtering device | |
CN201376910Y (en) | Iron and manganese removal water quality treatment device | |
CN208802955U (en) | A kind of backwashing water filter that water filtering accuracy is high | |
CN209270999U (en) | A new type of vertical backwash filter device | |
CN207187218U (en) | A kind of circulating-water bypass filter tank filtering technique equipment | |
WO2015136902A1 (en) | Water treatment device | |
CN206008143U (en) | A kind of purifying water process automatic backwash system | |
CN210974000U (en) | Automatic flushing system of ultrafiltration water purifier | |
CN209778395U (en) | Water purification system with cleaning function | |
CN209438181U (en) | A micro-resistance self-flow backwash filter device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130619 |