CN209079462U - Ink jet numbering machine - Google Patents
Ink jet numbering machine Download PDFInfo
- Publication number
- CN209079462U CN209079462U CN201821534269.8U CN201821534269U CN209079462U CN 209079462 U CN209079462 U CN 209079462U CN 201821534269 U CN201821534269 U CN 201821534269U CN 209079462 U CN209079462 U CN 209079462U
- Authority
- CN
- China
- Prior art keywords
- ink
- ink jet
- jet numbering
- numbering machine
- generation tank
- 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.)
- Expired - Fee Related
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007423 decrease Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 4
- 239000002341 toxic gas Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Ink Jet (AREA)
Abstract
The utility model discloses ink jet numbering machines, including ink jet numbering machine shell and air blower, the ink jet numbering machine case inside is provided with main print cartridge, and filter screen is provided on the inside of main print cartridge, it is connect by hose with ISG type centrifugal pump on the inside of the main print cartridge, the main print cartridge side is provided with assistant print cartridges, and is provided with filter screen on the inside of assistant print cartridges.In the utility model, due to the effect of ISG type centrifugal pump, impact force of the ink in hose is very big, it will lead to ink droplet generation tank in this way and generate shaking, so as to cause stamp quality decline, and buffer spring is provided on the inside of ink droplet generation tank, when ink enters in ink droplet generation tank from upper ink entrance, the first push plate can be squeezed, buffer spring is compressed in first push plate later, enter ink on the inside of ink droplet generation tank, this structure substantially reduces the impact force of ink, ink is released under the action of the second push plate from lower ink outlet port later, carry out stamp, this structure ensure that stability of the ink on the inside of nozzle, to improve the quality of stamp.
Description
Technical field
The utility model relates to ink jet numbering machine technical field more particularly to ink jet numbering machines.
Background technique
Ink jet numbering machine is that one kind is controlled by single-chip microcontroller, and non-contact inkjet identifies system.Its by control inner teeth wheel pump or
By machine exterior compressed gas supplying, into system, ink applies certain pressure, sprays ink via tens micron pore sizes
Mouth projects, and is beaten respectively in product surface different location, various texts needed for being formed, the mark such as pattern.
Existing ink jet numbering machine, during carrying out stamp, when ink enters in ink droplet generation tank from hose, due to ISG
The effect of type centrifugal pump, impact force of the ink in hose is very big, will lead to ink droplet generation tank in this way and generates shaking, thus
Cause stamp quality to decline, in addition to this, nozzle surface can give out a large amount of gas when stamp, due on the inside of ink containing big
The toxic gas of amount, gaseous volatilization can pollute air in air, and then influence the health of staff, according to asking above
Topic proposes this ink jet numbering machine.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the ink jet numbering machine proposed.
To achieve the goals above, the utility model adopts the technical scheme that ink jet numbering machine, including ink jet numbering machine shell and
Air blower, the ink jet numbering machine case inside is provided with main print cartridge, and filter screen is provided on the inside of main print cartridge, on the inside of the main print cartridge
It is connect by hose with ISG type centrifugal pump, the main print cartridge side is provided with assistant print cartridges, and is provided with filtering on the inside of assistant print cartridges
Net, the assistant print cartridges inside is connect by hose with DN25 type control valve, and the type control valve one end DN25 passes through hose and ISG type
Centrifugal pump connection, described hose one end are connect with ink droplet generation tank, and offer ink entrance, the ink at the top of ink droplet generation tank
Drop generation tank inner sidewall is provided with the second heating wire, and the ink droplet generation tank inside top is provided with the first push plate, and first pushes away
It is provided with buffer spring below plate, described buffer spring one end is fixed with transverse slat, and transverse slat bottom is provided with telescopic putter, described
Telescopic putter one end and the second push plate are welded, and described ink droplet generation tank inside bottom one end offers lower ink outlet port, and under it is out of ink
Mouth is connect by hose with nozzle, and described nozzle one end is connect by suction nozzle with pipeline, and pipeline one end is by air blower and only
Change case connection, the purifying box inboard, upright is provided with activated carbon adsorption layer, and is located in purifying box at the top of activated carbon adsorption layer
Side one end is provided with CW250 type hydraulic cylinder, and described CW250 type hydraulic cylinder one end is connect with scraper plate, the purifying box side
Upper end offers sewage draining exit, and offers discharge outlet below sewage draining exit, and ink jet numbering machine shell side is provided with supporting leg, the master
Print cartridge bottom is provided with the first heating wire.
Preferably, the supporting leg top is rotatablely connected conveyer belt by gear, and conveyer belt side is welded with U-shaped transmission
Frame, and offer sliding rail on the inside of U-shaped transmission frame, slidably connects pulley on the inside of the sliding rail, and pulley one end by strut with
Nozzle is fixed.
Preferably, the ink jet numbering machine case inside is equipped with headlamp, and headlamp is provided with multiple, the multiple illumination
Lamp level is equidistantly distributed in ink jet numbering machine case inside.
Preferably, the ink jet numbering machine surface of shell is provided with hermatic door by product opening hinge, and hermatic door is set
It sets in ink jet numbering machine surface of shell, the hermatic door surface is equipped with handle.
Preferably, one side surface of ink jet numbering machine shell is provided with rack.
Preferably, ink jet numbering machine housing bottom one end is equipped with battery, and electric power storage pool surface one end offers charging
Socket.
Preferably, the ink jet numbering machine surface of shell is provided with B119TX type display screen, and B119TX type display screen side is set
It is equipped with control button, the control button output end and air blower input terminal are electrically connected.
Preferably, the battery model 12V-60AH.
Compared with prior art, the utility model has the beneficial effects that；
(1), the utility model is provided with ink droplet generation tank, offers ink entrance, upper ink entrance at the top of ink droplet generation tank
One end is provided with the first push plate, is provided with buffer spring below the first push plate, buffer spring one end is fixed with transverse slat, transverse slat bottom
It is provided with telescopic putter, telescopic putter one end and the second push plate are welded, and ink droplet generation tank inside bottom one end offers down out of ink
Mouthful, when ink enters in ink droplet generation tank from hose, due to the effect of ISG type centrifugal pump, impact force of the ink in hose
It is very big, it will lead to ink droplet generation tank in this way and generate shaking, so as to cause stamp quality decline, and on the inside of ink droplet generation tank
It is provided with buffer spring, when ink enters in ink droplet generation tank from upper ink entrance, the first push plate can be squeezed, later the first push plate
Buffer spring is compressed, enters ink on the inside of ink droplet generation tank, this structure substantially reduces the impact force of ink, and ink exists later
It is released under the action of second push plate from lower ink outlet port, carries out stamp, this structure ensure that stability of the ink on the inside of nozzle, from
And improve the quality of stamp；
(2), the utility model is provided with purifying box, because nozzle surface can give out a large amount of gas during stamp
Body, due to containing a large amount of toxic gas on the inside of ink, gaseous volatilization can pollute air in air, and then influence staff
Health, and purifying box is set, the gas distributed is entered in pipeline by suction nozzle, later effect of the gas in air blower
Under, into purifying box, gas is purified by the activated carbon adsorption layer in purifying box later, and the gas after purifying is from row
Mouth discharge is put, the gas that this structure can be avoided effectively distributes in air；
(3), U-shaped transmission frame is arranged in the utility model, offers sliding rail on the inside of U-shaped transmission frame, this structure changes biography
Unite ink jet numbering machine can only stamp in a single direction, to increase the multifunctionality of ink jet numbering machine.
Detailed description of the invention
Fig. 1 be the utility model proposes ink jet numbering machine structural schematic diagram；
Fig. 2 is the utility model ink jet numbering machine ink jet numbering machine body diagram；
Fig. 3 is the utility model ink jet numbering machine ink-droplet generator schematic diagram；
Fig. 4 is that the utility model ink jet numbering machine shows that purifying box is intended to；
Fig. 5 is the U-shaped transmission frame schematic diagram of the utility model ink jet numbering machine.
Marginal data:
1- ink jet numbering machine shell, 2-15-B119TX type display screen, 3- control button, 4- rack, 5- hermatic door, 6- electric power storage
Pond, 7- supporting leg, 8- conveyer belt, 9-U type transmission frame, 10- ink droplet generation tank, 11- nozzle, 12- hose, 13-ISG type centrifugal pump,
The main print cartridge of 14-, 15-DN25 type control valve, 16- assistant print cartridges, 17- headlamp, the upper ink entrance of 18-, the first push plate of 19-, 20- are slow
Rush ink outlet port, 26- sliding rail, 27- under spring, the second heating wire of 21-, 22- transverse slat, 23- telescopic putter, the second push plate of 24-, 25-
Pulley, 28- suction nozzle, 29- pipeline, 30- air blower, 31-CW250 type hydraulic cylinder, 32- scraper plate, 33- purifying box, 34- blowdown
Mouth, 35- activated carbon adsorption layer, 36- discharge outlet, the first heating wire of 37-, 38- filter screen.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention；Term " first ", " the
Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance；In addition, unless otherwise specific
Regulation and restriction, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to
It is detachably connected, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It please refers to shown in Fig. 1, Fig. 2 and Fig. 3, ink jet numbering machine, including ink jet numbering machine shell 1 and air blower 30, in ink jet numbering machine shell 1
Side is provided with main print cartridge 14, and filter screen 38 is provided on the inside of main print cartridge 14, on the inside of main print cartridge 14 by hose 12 and ISG type from
Heart pump 13 connects, and main 14 side of print cartridge is provided with assistant print cartridges 16, and filter screen 38 is provided on the inside of assistant print cartridges 16, in assistant print cartridges 16
Side is connect by hose 12 with DN25 type control valve 15, and 15 one end of DN25 type control valve passes through hose 12 and ISG type centrifugal pump
13 connections, 12 one end of hose is connect with ink droplet generation tank 10, and ink entrance 18 is offered at the top of ink droplet generation tank 10, ink droplet hair
Raw 10 inner sidewall of tank is provided with the second heating wire 21, and 10 inside top of ink droplet generation tank is provided with the first push plate 19, and first pushes away
Buffer spring 20 is provided with below plate 19,20 one end of buffer spring and transverse slat 22 are fixed, and 22 bottom of transverse slat is provided with flexible push away
Bar 23,23 one end of telescopic putter and the second push plate 24 are welded, and 10 inside bottom one end of ink droplet generation tank offers lower ink outlet port 25,
And lower ink outlet port 25 is connect by hose 12 with nozzle 11.
It please refers to shown in Fig. 1, Fig. 3 and Fig. 4,11 one end of nozzle is connect by suction nozzle 11 with pipeline 29, and 29 one end of pipeline
It is connect by air blower 30 with purifying box 33,33 inboard, upright of purifying box is provided with activated carbon adsorption layer 35, and activated carbon adsorption
35 top of layer is located at 33 inner opposite end of purifying box and is provided with CW250 type hydraulic cylinder 31,31 one end of CW250 type hydraulic cylinder with scrape
Plate 32 connects, and 33 side upper end of purifying box offers sewage draining exit 34, and discharge outlet 36, ink jet numbering machine are offered below sewage draining exit 34
1 side of shell is provided with supporting leg 7, and main 14 bottom of print cartridge is provided with the first heating wire 37.
It please refers to shown in Fig. 1, Fig. 4 and Fig. 5,7 top of supporting leg is rotatablely connected conveyer belt 8 by gear, and conveyer belt 8 is for passing
The object of stamp required for sending, and 8 side of conveyer belt is welded with U-shaped transmission frame 9, and offers sliding rail on the inside of U-shaped transmission frame 9
26, pulley 27 is slidably connected on the inside of sliding rail 26, and 27 one end of pulley is fixed by strut and nozzle 11, nozzle 11 can be
Slideslip in sliding rail 26 can carry out multi-faceted carry out stamp.
Please refer to shown in Fig. 1 and Fig. 2, headlamp 17 be installed on the inside of ink jet numbering machine shell 1, and headlamp 17 be provided with it is more
A, multiple 17 levels of headlamp are equidistantly distributed in 1 inside of ink jet numbering machine shell, and headlamp 17 can be carried out to ink jet numbering machine shell 1
Inside illumination, 1 surface of ink jet numbering machine shell is provided with hermatic door 5 by product opening hinge, and hermatic door 5 is symmetrical arranged and is arranged in coding
1 surface of casing body, 5 surface of hermatic door are equipped with handle.
It please refers to shown in Fig. 1,1 one side surface of ink jet numbering machine shell is provided with rack 4,1 bottom end of ink jet numbering machine shell peace
Equipped with battery 6, and 6 surface one end of battery offers charging jack, and 1 surface of ink jet numbering machine shell is provided with B119TX type and shows
Screen 2, and 2 side of B119TX type display screen is provided with control button 3,3 output end of control button and 30 input terminal of air blower are electrical
Connection, 6 model 12V-60AH of battery.
Working principle: in use, powering on first, later in the effect of staff the spray on U type transmission frame 9
Suitable direction is arrived in the debugging of mouth 11, is carried out by control button 3 to the object stamp on conveyer belt, in stamp after the completion of debugging
In the process, due to the effect of ISG type centrifugal pump 13, impact force of the ink in hose 12 is very big, will lead to ink droplet in this way
Generation tank 10 generates shaking, so as to cause stamp quality decline, and buffer spring 20 is provided on the inside of ink droplet generation tank 10, when
When ink is entered in ink droplet generation tank 10 from upper ink entrance 18, the first push plate 19 can be squeezed, the compression buffering of the first push plate 19 later
Spring 20 makes ink enter 10 inside of ink droplet generation tank, this structure substantially reduces the impact force of ink, and ink is second later
It is released under the action of push plate 24 from lower ink outlet port 25, carries out stamp, this structure ensure that stability of the ink on the inside of nozzle 11,
When carrying out stamp, a large amount of gas can be given out on the inside of nozzle 11, due to containing a large amount of toxic gas on the inside of ink, gas is waved
Hair can pollute air in air, and then influence the health of staff, and purifying box 33 is arranged, and the gas distributed passes through
Suction nozzle 28 enters in pipeline, and gas is under the action of air blower 30 later, and into purifying box 33, gas passes through purifying box later
Activated carbon adsorption layer 25 in 33 is purified, and the gas after purifying is discharged from discharge outlet 34, this structure can effectively be kept away
The gas exempted from distributes in air.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (8)
1. ink jet numbering machine, including ink jet numbering machine shell (1) and air blower (30), which is characterized in that set on the inside of the ink jet numbering machine shell (1)
It is equipped with main print cartridge (14), and is provided with filter screen (38) on the inside of main print cartridge (14), pass through hose on the inside of the main print cartridge (14)
(12) it is connect with ISG type centrifugal pump (13), main print cartridge (14) side is provided with assistant print cartridges (16), and on the inside of assistant print cartridges (16)
It is provided with filter screen (38), is connect by hose (12) with DN25 type control valve (15) on the inside of the assistant print cartridges (16), and DN25
Type control valve (15) one end is connect by hose (12) with ISG type centrifugal pump (13), and described hose (12) one end and ink droplet occur
Tank (10) connection, and offered ink entrance (18) at the top of ink droplet generation tank (10), ink droplet generation tank (10) inner sidewall is set
It is equipped with the second heating wire (21), ink droplet generation tank (10) inside top is provided with the first push plate (19), and the first push plate
(19) lower section is provided with buffer spring (20), and described buffer spring (20) one end and transverse slat (22) are fixed, and transverse slat (22) bottom
It is provided with telescopic putter (23), described telescopic putter (23) one end and the second push plate (24) are welded, the ink droplet generation tank (10)
Inside bottom one end offers lower ink outlet port (25), and lower ink outlet port (25) is connect by hose (12) with nozzle (11), described
Nozzle (11) one end is connect by suction nozzle (28) with pipeline (29), and pipeline (29) one end passes through air blower (30) and purifying box
(33) it connects, purifying box (33) inboard, upright is provided with activated carbon adsorption layer (35), and at the top of activated carbon adsorption layer (35)
Purifying box (33) inner opposite end is provided with CW250 type hydraulic cylinder (31), the CW250 type hydraulic cylinder (31) one end with
Scraper plate (32) connection, purifying box (33) the side upper end offer sewage draining exit (34), and the row of offering below sewage draining exit (34)
It puts mouth (36), ink jet numbering machine shell (1) side is provided with supporting leg (7), and main print cartridge (14) bottom is provided with the first electric heating
Silk (37).
2. ink jet numbering machine according to claim 1, which is characterized in that supporting leg (7) top is rotatablely connected by gear and is passed
Band (8) is sent, and conveyer belt (8) side is welded with U-shaped transmission frame (9), and offers sliding rail (26), institute on the inside of U-shaped transmission frame (9)
It states and is slidably connected pulley (27) on the inside of sliding rail (26), and pulley (27) one end is fixed by strut and nozzle (11).
3. ink jet numbering machine according to claim 1, which is characterized in that be equipped with headlamp on the inside of the ink jet numbering machine shell (1)
(17), and headlamp (17) is provided with multiple, and the multiple headlamp (17) level equidistantly distributes in the ink jet numbering machine shell (1)
Side.
4. ink jet numbering machine according to claim 1, which is characterized in that ink jet numbering machine shell (1) surface passes through product opening hinge
It is provided with hermatic door (5), and hermatic door (5) is symmetrical arranged and is arranged on ink jet numbering machine shell (1) surface, hermatic door (5) surface
Handle is installed.
5. ink jet numbering machine according to claim 1, which is characterized in that (1) one side surface of ink jet numbering machine shell, which is provided with, puts
Set frame (4).
6. ink jet numbering machine according to claim 1, which is characterized in that ink jet numbering machine shell (1) bottom end is equipped with storage
Battery (6), and battery (6) surface one end offers charging jack.
7. ink jet numbering machine according to claim 1, which is characterized in that ink jet numbering machine shell (1) surface is provided with B119TX
Type display screen (2), and B119TX type display screen (2) side is provided with control button (3), control button (3) output end with
Air blower (30) input terminal is electrically connected.
8. ink jet numbering machine according to claim 6, which is characterized in that battery (6) the model 12V-60AH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821534269.8U CN209079462U (en) | 2018-09-19 | 2018-09-19 | Ink jet numbering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821534269.8U CN209079462U (en) | 2018-09-19 | 2018-09-19 | Ink jet numbering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209079462U true CN209079462U (en) | 2019-07-09 |
Family
ID=67116937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821534269.8U Expired - Fee Related CN209079462U (en) | 2018-09-19 | 2018-09-19 | Ink jet numbering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209079462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871669A (en) * | 2020-07-31 | 2020-11-03 | 北京铭崇商贸有限公司 | Prevent blockking up ink jet numbering machine |
-
2018
- 2018-09-19 CN CN201821534269.8U patent/CN209079462U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871669A (en) * | 2020-07-31 | 2020-11-03 | 北京铭崇商贸有限公司 | Prevent blockking up ink jet numbering machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209079462U (en) | Ink jet numbering machine | |
| CN206935009U (en) | Plastic granulating waste gas cleaning system | |
| CN109230972A (en) | A kind of escalator handrail with sterilizing function | |
| CN209093088U (en) | Ammonia process of desulfurization two-part spray equipment | |
| CN105371379B (en) | A kind of indoor air purification equipment | |
| CN208704059U (en) | Outdoor air filtering environment protection device | |
| CN206709255U (en) | A kind of environment-friendly highly efficient air purifier | |
| CN216092972U (en) | Absorption tower spray set for desulfurization | |
| CN110152427A (en) | A kind of medical oxygen generator air filter | |
| CN205627571U (en) | Compound exhaust gas purification device | |
| CN208679517U (en) | A kind of spin-coating equipment of eyeglass | |
| CN209077409U (en) | A kind of powder reclaiming device of dyestuff beater room | |
| CN210825998U (en) | Crude product extraction washing tower for production of diethylene glycol bis-allyl carbonate | |
| CN208608326U (en) | A kind of waste lithium cell electrode material regenerating unit | |
| CN209576169U (en) | A kind of coal mining region dust-extraction unit | |
| CN208814662U (en) | A kind of working solution after-treatment system of hydrogen peroxide | |
| CN208511965U (en) | A kind of plate filter for water paint | |
| CN207169262U (en) | A kind of portable air purifier | |
| CN205576367U (en) | Oil immersion groove device on chemical fiber production line | |
| CN207030714U (en) | A kind of public elevator handrail chlorination equipment | |
| CN206853378U (en) | Multistage cleaning type water film dedusting tower | |
| CN212941494U (en) | Efficient silk screen demister | |
| CN216259884U (en) | Purification treatment device for zinc sulfate oxidation leaching processing | |
| CN209286123U (en) | A kind of nasal cleaner of cleaning easy to disassemble | |
| CN213556247U (en) | Dibenzoyl methane production tail gas recovery device is administered in environmental protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 |