CN107855694A - A kind of welding equipment with dedusting function - Google Patents
A kind of welding equipment with dedusting function Download PDFInfo
- Publication number
- CN107855694A CN107855694A CN201711304580.3A CN201711304580A CN107855694A CN 107855694 A CN107855694 A CN 107855694A CN 201711304580 A CN201711304580 A CN 201711304580A CN 107855694 A CN107855694 A CN 107855694A
- Authority
- CN
- China
- Prior art keywords
- air
- welding equipment
- dedusting function
- balancing disk
- flow balancing
- 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.)
- Withdrawn
Links
- 238000003466 welding Methods 0.000 title claims abstract description 35
- 239000000428 dust Substances 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003063 flame retardant Substances 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 2
- 239000003500 flue dust Substances 0.000 description 10
- 239000003517 fume Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 208000028571 Occupational disease Diseases 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of welding equipment with dedusting function, including body and supporting plate, top plate is installed at the top of the body, middle side part is provided with dust absorption arm interface on the top plate, the body side is provided with handrail, the centre of the supporting plate is provided with air cavity, the top of the air cavity is provided with air-flow balancing disk, fire-retardant cartridge filter is installed below the air-flow balancing disk, the lower end of the air cavity is provided with primarily efficient filter layer, high-efficiency air filtering layer is installed immediately below the primarily efficient filter layer, active carbon filter core is installed immediately below the high-efficiency air filtering layer, the upper base surface of the body is provided with air negative pressure machine, air outlet is installed on the upside of the air negative pressure machine, electric welding machine is installed on the right side of the organism bottom upper surface, the organism bottom lower surface is provided with universal wheel.This has the welding equipment of dedusting function, conveniently moving, purification efficiency is improved using multiple purifying device.
Description
Technical field
The invention belongs to technical field of welding equipment, and in particular to a kind of welding equipment with dedusting function.
Background technology
With developing rapidly for China's process industry, weld shared industrial processes ratio and constantly expand.But welding
During produce a large amount of weld fumes, comprising the largely hazardous particulate matter based on metal oxide in weld fumes, weld cigarette
Flue dust in gas is a kind of sufficiently complex material, finds Ti, Cu etc. in flue dust.Main harmful substance in weld fumes
For Fe2O3, SiO2, HF etc., the composition for welding toxic and harmful gas in flue gas is mainly CO, CO2, O3, NOX, CH4 etc..For a long time
High concentration weld fumes is sucked, the welding class occupational disease using pneumoconiosis as representative can be triggered.
At present, the weld fumes treating method to multiple welding posts of rivet welding workshop is above each welding post
Air inlet is installed on three roofs portion, and multiple air inlets are stretched into the air by the pipeline communication that is connected with air exhauster, the escape pipe of pipeline,
The weld fumes of collection is set to direct out discharge.The discharge air entry of this ventilation duct is located at the top welding cigarette of welding post
The soakage of dirt is limited, and most weld fumes can not still be discharged and endanger the health of worker;In addition, welding cigarette
The mode dust removing effects that dirt directly discharges are poor, and the air of environment is polluted.Purified for existing weld fumes processor
Efficiency is low, and air circulation can not be utilized, to this existing welding equipment dust arrester urgently upgrading.
The content of the invention
It is an object of the invention to provide a kind of welding equipment with dedusting function, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical scheme：A kind of welding equipment with dedusting function, including
Body and supporting plate, the body top are provided with top plate, and middle side part is provided with dust absorption arm interface, the body on the top plate
Side is provided with handrail, and the centre of the supporting plate is provided with air cavity, and it is equal that the top of the air cavity is provided with air-flow
Weighed plate, and fire-retardant cartridge filter is provided with below the air-flow balancing disk, and the lower end of the air cavity is provided with primarily efficient filter layer,
High-efficiency air filtering layer is installed immediately below the primarily efficient filter layer, work is installed immediately below the high-efficiency air filtering layer
Property filtration core, the upper base surface of the body are provided with air negative pressure machine, air-out are provided with the upside of the air negative pressure machine
Mouthful, electric welding machine is installed on the right side of the organism bottom upper surface, the organism bottom lower surface is provided with universal wheel.
Preferably, the machine dust absorption arm interface rear end is provided with Thermostable flexible hose, and the heat-resisting soft pipe end is provided with
Dust shield.
Preferably, the air-flow balancing disk internal rules are connected with fire resisting flow guiding grid, the quantity of the air-flow balancing disk
For two.
Preferably, the air-flow balancing disk installment state is distribution up and down, and two fire resisting flow guiding grids are mutually corresponding.
Preferably, the quantity of the universal wheel is four, and is universal brake wheel installed in handrail lower end.
The technique effect and advantage of the present invention：This has the welding equipment of dedusting function, passes through two fire-retardant cartridge filters, energy
It is enough that solid debris caused by welding is blocked in air chamber, and filter out larger dust；Can by air-flow balancing disk
Flue dust is uniformly spread out, avoids volume of smoke from concentrating and results in blockage；By installing primarily efficient filter layer, high-efficiency air filtering
Layer can stop the flue dust of the overwhelming majority, and activated carbon filtration core adsorbs various pernicious gases again；Pass through two universal brake wheel energy
Enough maintaining bodies will not slide；The position of dust shield can be flexibly moved by Thermostable flexible hose, for diverse location energy
Enough replies；The air after filtering is discharged into environment by air outlet, then utilized.There is the welding of dedusting function to set for this
It is standby, conveniently moving, purification efficiency is improved using multiple purifying device.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the dust absorption arm structural representation of the present invention；
Fig. 3 is the air-flow equilibrium plate structure schematic diagram of the present invention.
In figure：1 handrail, 2 supporting plates, 3 electric welding machines, 4 air-flow balancing disks, 5 dust absorption arm interfaces, 6 fire-retardant cartridge filters, 7 air
Cavity, 8 universal wheels, 9 top plates, 10 bodies, 11 primarily efficient filter layers, 12 relation air filtration layers, 13 activated carbon filtration cores, 14 air-out
Mouth, 15 air negative pressure machines, 16 Thermostable flexible hoses, 17 dust shields, 18 fire resisting flow guiding grids.
Embodiment
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 carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is the structural representation of the present invention, a kind of welding equipment with dedusting function, including body
10 and supporting plate 2, the top of body 10 is provided with top plate 9, and middle side part is provided with dust absorption arm interface 5 on the top plate 9, passes through
Dust absorption arm interface 5 can be convenient, flexible dust absorption arm of taking, the side of body 10 is provided with handrail 1, can be square by handrail 1
Just whole device is pulled, the centre of the supporting plate 2 is provided with air cavity 7, and the material of air cavity 7 is stainless steel, described
The top of air cavity 7 is provided with air-flow balancing disk 4, and the material of air-flow balancing disk 4 is metallic iron, for the Mars energy in flue dust
Enough to ensure not to be ignited and cool down it, the lower section of the air-flow balancing disk 4 is provided with fire-retardant cartridge filter 6, fire-retardant cartridge filter 6
Filter layer is that overlay film polyester fiber filter paper has flame-retarding characteristic, and the lower end of the air cavity 7 is provided with primarily efficient filter layer 11, just
Effect filter layer 11 can filter out air-flow and be provided with height in bulky grain dust and suspension, the underface of the primarily efficient filter layer 11
Air filtration layer 12 is imitated, high-efficiency air filtering layer 12 can catch less than 0.5 micron of dust or suspension, and highly effective air
The low service life length of the flow resistance of filter layer 12, the underface of the high-efficiency air filtering layer 12 are provided with active carbon filter core 13,
Active carbon filter core 13 can effectively filter the pernicious gases such as formaldehyde, benzene, ammonia, germ, heavy metal, the bottom upper table of the body 10
Face is provided with air negative pressure machine 15, and flue dust can be formed into air-flow from dust shield by air negative pressure by air negative pressure machine 15 inhales
To inside purifier, the upside of the air negative pressure machine 15 is provided with air outlet 14, the upper base surface of body 10 left side
Electric welding machine 3 is installed, the bottom lower surface of body 10 is provided with universal wheel 8, being capable of light mobile device by universal wheel 8.
Referring to Fig. 2, it is dust absorption arm structural representation of the invention that Fig. 2, which is Fig. 2, the rear end of machine dust absorption arm interface 5 peace
Equipped with Thermostable flexible hose 16, Thermostable flexible hose 16 is the steel-wire carcass telescoping tube of 280 protective cloths covering, heat-resisting soft described in material
The end of pipe 16 is provided with dust shield 17, and the material of dust shield 17 is bakelite plate.
Referring to Fig. 3, Fig. 3 is the air-flow equilibrium plate structure schematic diagram of the present invention, the internal rules of air-flow balancing disk 4 connect
Fire resisting flow guiding grid 18 is connected to, the material of fire resisting flow guiding grid 18 is metallic iron, can be by flue dust by fire resisting flow guiding grid 18
Spread out, the quantity of the air-flow balancing disk 4 is two.
Operation principle：Open the brake gear on universal wheel 16, both hands hold the pushing meanss of handrail 1 to behind work-yard,
The brake gear closed on universal wheel 16, installs Thermostable flexible hose 16 by dust absorption arm interface 5, dust shield 17 is directed at welding position
Put, open the switch of air negative pressure machine 15 and electric welding machine 3, then caused flue dust passes through dust shield with gas in electrode welding process
17 collection, enter in the follow-up dust arrester of Thermostable flexible hose 16, flue dust is distributed to sky by the water conservancy diversion of air-flow balancing disk 4
In air cavity 7, the spark iron filings cooling contained in flue dust falls to the bottom of air chamber 7, and the air-flow for filtering out large volume dust leads to
Cross fire-retardant cartridge filter 6 and enter primarily efficient filter layer 11, high-efficiency air filtering layer 12, the three layer filtration of activated carbon filtration core 13,
Relatively clean air is obtained, then air is discharged into by the air outlet 14 of air negative pressure machine 15.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (5)
1. a kind of welding equipment with dedusting function, including body（10）And supporting plate（2）, it is characterised in that：The body
（10）Top is provided with top plate（9）, the top plate（9）Upper middle side part is provided with dust absorption arm interface（5）, the body（10）Side
Handrail is installed（1）, the supporting plate（2）Centre air cavity is installed（7）, the air cavity（7）Top installation
There is air-flow balancing disk（4）, the air-flow balancing disk（4）Lower section fire-retardant cartridge filter is installed（6）, the air cavity（7）'s
Lower end is provided with primarily efficient filter layer（11）, the primarily efficient filter layer（11）Underface high-efficiency air filtering layer is installed（12）,
The high-efficiency air filtering layer（12）Underface active carbon filter core is installed（13）, the body（10）Upper base surface peace
Equipped with air negative pressure machine（15）, the air negative pressure machine（15）Upside air outlet is installed（14）, the body（10）Bottom
Electric welding machine is installed on the left of upper surface（3）, the body（10）Bottom lower surface is provided with universal wheel（8）.
A kind of 2. welding equipment with dedusting function according to claim 1, it is characterised in that：The machine dust absorption arm connects
Mouthful（5）Rear end is provided with Thermostable flexible hose（16）, the Thermostable flexible hose（16）End is provided with dust shield（17）.
A kind of 3. welding equipment with dedusting function according to claim 1, it is characterised in that：The air-flow balancing disk
（4）Internal rules are connected with fire resisting flow guiding grid（18）, the air-flow balancing disk（4）Quantity be two.
A kind of 4. welding equipment with dedusting function according to claim 3, it is characterised in that：The air-flow balancing disk
（4）Installment state is distribution, and two fire resisting flow guiding grids up and down（18）It is mutually corresponding.
A kind of 5. welding equipment with dedusting function according to claim 1, it is characterised in that：The universal wheel（8）
Quantity be four, and be arranged on handrail（1）Lower end for universal brake wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711304580.3A CN107855694A (en) | 2017-12-11 | 2017-12-11 | A kind of welding equipment with dedusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711304580.3A CN107855694A (en) | 2017-12-11 | 2017-12-11 | A kind of welding equipment with dedusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107855694A true CN107855694A (en) | 2018-03-30 |
Family
ID=61705367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711304580.3A Withdrawn CN107855694A (en) | 2017-12-11 | 2017-12-11 | A kind of welding equipment with dedusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107855694A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015026A (en) * | 2019-11-26 | 2020-04-17 | 西安微城信息科技有限公司 | Be used for communication product processing with installation welding equipment |
| CN111036061A (en) * | 2019-12-11 | 2020-04-21 | 黄静勤 | Refine industrial soldering tin gas cleaning treatment equipment that heavy metal adds anti- |
| CN112717577A (en) * | 2020-12-17 | 2021-04-30 | 曾敏 | Sack formula dust removal environmental protection equipment of tearing open soon |
| CN115888298A (en) * | 2022-12-15 | 2023-04-04 | 安徽宝泰特种材料有限公司 | An explosion-proof and flame-retardant composite dust collection device |
-
2017
- 2017-12-11 CN CN201711304580.3A patent/CN107855694A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015026A (en) * | 2019-11-26 | 2020-04-17 | 西安微城信息科技有限公司 | Be used for communication product processing with installation welding equipment |
| CN111036061A (en) * | 2019-12-11 | 2020-04-21 | 黄静勤 | Refine industrial soldering tin gas cleaning treatment equipment that heavy metal adds anti- |
| CN112717577A (en) * | 2020-12-17 | 2021-04-30 | 曾敏 | Sack formula dust removal environmental protection equipment of tearing open soon |
| CN115888298A (en) * | 2022-12-15 | 2023-04-04 | 安徽宝泰特种材料有限公司 | An explosion-proof and flame-retardant composite dust collection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180330 |
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| WW01 | Invention patent application withdrawn after publication |