CN106870942A - A kind of pipe pressure type flame proof valve - Google Patents
A kind of pipe pressure type flame proof valve Download PDFInfo
- Publication number
- CN106870942A CN106870942A CN201710107471.6A CN201710107471A CN106870942A CN 106870942 A CN106870942 A CN 106870942A CN 201710107471 A CN201710107471 A CN 201710107471A CN 106870942 A CN106870942 A CN 106870942A
- Authority
- CN
- China
- Prior art keywords
- valve
- air accumulator
- pipe pressure
- magnetic valve
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 13
- 238000004880 explosion Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0332—Safety valves or pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0335—Check-valves or non-return valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/03—Control means
- F17C2250/032—Control means using computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/07—Actions triggered by measured parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/042—Reducing risk of explosion
Abstract
The present invention discloses a kind of pipe pressure type flame proof valve, including pipe pressure valve and air accumulator, pipe pressure valve passes through pipeline communication with air accumulator, the pipeline that pipe pressure valve is connected with air accumulator is provided with impulse electromagnetic valve, the inlet pipeline of air accumulator is provided with the first magnetic valve, air accumulator is provided with the pressure sensor for detecting air accumulator air pressure inside, pressure sensor is connected with the first magnetic valve, the outlet conduit of pipe pressure valve is provided with the second magnetic valve, with for detecting that the leading portion sensor of detonator signal is connected, leading portion sensor is connected impulse electromagnetic valve with the second magnetic valve.During normal work, pipe pressure type flame proof valve is in open mode；When explosion happens, leading portion sensor detects detonator signal, then send signal control impulse electromagnetic valve and open, the second closed electromagnetic valve, and during the gas in air accumulator poured into pipe pressure valve, pipe pressure valve is closed, to isolate blast, the people in protection downstream and equipment.
Description
Technical field
The invention belongs to pipe pressure type flame proof valve, a kind of pipe pressure type flame proof valve for isolating blast is more particularly to.
Background technology
With the development of national economy, China there occurs several times especially big dust explosion accident cause great casualties and
Property loss.Temporarily without blast isolating device in existing dust pipeline transmission, it is impossible to cut off explosion wave and flame transmission, it is easy to
Result in greater loss.
The content of the invention
It is an object of the invention to provide a kind of pipe pressure type flame proof valve for separating blast.
According to an aspect of the invention, there is provided a kind of pipe pressure type flame proof valve, including including
Air accumulator, the inlet pipeline of the air accumulator is provided with the first magnetic valve, and the tank body of the air accumulator is provided with use
In the pressure sensor for detecting the air accumulator air pressure inside, the pressure sensor is connected with first magnetic valve, described
Pressure sensor controls the switch of first magnetic valve,
Pipe pressure valve, with the air accumulator by pipeline communication, the outlet conduit of the pipe pressure valve is provided with the second magnetic valve,
Impulse electromagnetic valve, is arranged on the pipeline that the pipe pressure valve is connected with the air accumulator, for connecting or separating institute
The connection between air accumulator and the pipe pressure valve is stated,
Leading portion sensor, is connected with the impulse electromagnetic valve and second magnetic valve respectively, the leading portion sensor inspection
Detonator signal is measured, is then sent signal and is opened the impulse electromagnetic valve and close second magnetic valve, in the air accumulator
Gas is entered by impulse electromagnetic valve closes the pipe pressure valve in the pipe pressure valve.
In some embodiments, also including PLC control system, the PLC control system respectively with first electromagnetism
The connection of valve, the pressure sensor, second magnetic valve, the impulse electromagnetic valve and the leading portion sensor, the PLC controls
System processed controls the switch of first magnetic valve, the PLC control system root according to the detection signal of the pressure sensor
The detonator signal detected according to leading portion sensor controls the switch of the impulse electromagnetic valve and the second magnetic valve.
In some embodiments, the pipeline that first magnetic valve is connected with the air accumulator is provided with check valve, institute
The entrance for stating check valve is connected with first magnetic valve, and the outlet of the check valve is connected with the air accumulator.
In some embodiments, the leading portion sensor is press detection sensor or spark detection sensor.
In some embodiments, the air accumulator is provided with pressure gauge.
Its advantage is：During normal work, pipe pressure type flame proof valve is in open mode；When explosion happens, leading portion is passed
Sensor detects detonator signal, then send signal control impulse electromagnetic valve and open, the second closed electromagnetic valve, by the gas in air accumulator
Body is poured into pipe pressure valve, and pipe pressure valve is closed, and to isolate blast, prevents subsequent explosion, protects people and the equipment in downstream.
Brief description of the drawings
Fig. 1 is a kind of structural representation of pipe pressure type flame proof valve of an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of pipe pressure type flame proof valve in open mode of an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram that is closed of pipe pressure type flame proof valve of an embodiment of the present invention.
Specific embodiment
Fig. 1 schematically shows the pipe pressure type flame proof valve of one embodiment of the present invention.The pipe pressure type flame proof valve bag
Include pipe pressure valve 2 and air accumulator 1.
With air accumulator 1 by pipeline communication, the pipeline that pipe pressure valve 2 is connected with air accumulator 1 is provided with pulse electromagnetic to pipe pressure valve 2
Valve 3.Impulse electromagnetic valve 3 is used to connect or separate the connection of air accumulator 1 and pipe pressure valve 2.The inlet pipeline of air accumulator 1 is provided with
One magnetic valve 4.The pipeline that first magnetic valve 4 is connected with air accumulator 1 is provided with check valve 5, the entrance of check valve 5 and the first electromagnetism
Valve 4 is connected, and the outlet of check valve 5 is connected with air accumulator 1.Setting check valve 5 prevents the gas in air accumulator 1 because pressure is excessive
Flow backwards, it is ensured that the air-tightness of air accumulator 1.Air accumulator 1 is provided with the pressure sensor for detecting the air pressure inside of air accumulator 1
6.Pressure sensor 6 is connected with the first magnetic valve 4.Pressure sensor 6 controls the switch of the first magnetic valve 4.Pressure sensor 6 is examined
When measuring the pressure in air accumulator 1 and reaching claimed range, then can send signal and close the first magnetic valve 4, stop to air accumulator 1
Middle injection gas.Pressure sensor 6 detect pressure in air accumulator 1 not up to claimed range when, then send signal by first
Magnetic valve 4 is opened, and starts to inject gas in air accumulator 1.Pressure gauge is additionally provided with air accumulator 1.Operating personnel can also be according to pressure
Data judge whether the gas in air accumulator 1 reaches the number range of regulation on power table.The outlet conduit of pipe pressure valve 2 is provided with
Two magnetic valves 8.Impulse electromagnetic valve 3 is connected with the leading portion sensor 7 for detecting detonator signal.Leading portion sensor 7 is respectively with
Two magnetic valves 8 and impulse electromagnetic valve 3 are connected.Detonator signal is detected in order to pass through pressure, spark etc., leading portion sensor 7 is pressure
Force detection sensor 71 or spark detection sensor 72.Press detection sensor 71 respectively with the second magnetic valve 8 and pulse electromagnetic
Valve 3 is connected.Spark detection sensor 72 is connected with the second magnetic valve 8 and impulse electromagnetic valve 3 respectively.It is easy to timely to detect quick-fried
Fried or flare up fire.In this embodiment, leading portion sensor 7 selects press detection sensor 71.
The pipe pressure type flame proof valve also includes PLC control system.PLC control system respectively with the first magnetic valve 4, pressure sensing
Device 6, the second magnetic valve 8, impulse electromagnetic valve 3 and leading portion sensor 7 are connected.Detection of the PLC control system according to pressure sensor 6
Signal controls the switch of the first magnetic valve 4.The detonator signal that PLC control system is detected according to leading portion sensor 7 controls pulse
The switch of the magnetic valve 8 of magnetic valve 3 and second.
As shown in Fig. 2 during normal work, pipe pressure type flame proof valve is in open mode.
As shown in figure 3, when explosion happens, leading portion sensor 7 detects detonator signal, then signal control pulse electricity is sent
Magnet valve 3 is opened and controls the second magnetic valve 8 to close, and during the gas in air accumulator 1 poured into pipe pressure valve 2, pipe pressure valve 2 is closed, with
Isolation blast, prevents subsequent explosion, protects people and the equipment in downstream.
In the process, when the air pressure that pressure sensor 6 is detected in air accumulator 1 is relatively low, then send signal and open the
To gas is injected in air accumulator 1, the air pressure in pressure sensor 6 detects air accumulator 1 reaches claimed range to one magnetic valve 4
When, then the first magnetic valve of signal-off 4 is sent, stop injecting gas in air accumulator 1.When pressure sensor 6 detects gas storage
When air pressure in tank 1 is not up to claimed range, then sends signal and open the first magnetic valve 4, start to inject gas in air accumulator 1
Body.
In addition, when system cut-off or restarting or human operational error, PLC control system control impulse electromagnetic valve 3
Open, the gas inside air accumulator 1 all pours pipe pressure valve 2, close pipe pressure valve 2.After system resumes power, PLC controls system
System control impulse electromagnetic valve 3 is closed, and the second magnetic valve 8 is opened, and reopens pipe pressure valve 2.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, do not taking off
On the premise of conceiving from the invention, various modifications and improvements can be made, these belong to protection scope of the present invention.
Claims (5)
1. a kind of pipe pressure type flame proof valve, it is characterised in that including
Air accumulator, the inlet pipeline of the air accumulator is provided with the first magnetic valve, and the tank body of the air accumulator is provided with for examining
The pressure sensor of the air accumulator air pressure inside is surveyed, the pressure sensor is connected with first magnetic valve, the pressure
Sensor controls the switch of first magnetic valve,
Pipe pressure valve, with the air accumulator by pipeline communication, the outlet conduit of the pipe pressure valve is provided with the second magnetic valve,
Impulse electromagnetic valve, is arranged on the pipeline that the pipe pressure valve is connected with the air accumulator, for connecting or separating the storage
Connection between gas tank and the pipe pressure valve,
Leading portion sensor, is connected with the impulse electromagnetic valve and second magnetic valve respectively, and the leading portion sensor is detected
Detonator signal, then send signal and open the impulse electromagnetic valve and close second magnetic valve, the gas in the air accumulator
Entered in the pipe pressure valve by impulse electromagnetic valve and close the pipe pressure valve.
2. pipe pressure type flame proof valve according to claim 1, it is characterised in that also including PLC control system, the PLC controls
System processed respectively with first magnetic valve, the pressure sensor, second magnetic valve, the impulse electromagnetic valve and described
Leading portion sensor is connected, and the PLC control system controls first magnetic valve according to the detection signal of the pressure sensor
Switch, the detonator signal that the PLC control system is detected according to leading portion sensor controls the impulse electromagnetic valve and second
The switch of magnetic valve.
3. pipe pressure type flame proof valve according to claim 1, it is characterised in that first magnetic valve connects with the air accumulator
Logical pipeline is provided with check valve, and the entrance of the check valve is connected with first magnetic valve, the outlet of the check valve with
The air accumulator connection.
4. pipe pressure type flame proof valve according to claim 1, it is characterised in that the leading portion sensor is pressure detecting sensing
Device or spark detection sensor, the press detection sensor connect with second magnetic valve and the impulse electromagnetic valve respectively
Connect, the spark detection sensor is connected with second magnetic valve and the impulse electromagnetic valve respectively.
5. pipe pressure type flame proof valve according to claim 1, it is characterised in that the air accumulator is provided with pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107471.6A CN106870942B (en) | 2017-02-27 | 2017-02-27 | Pipe pressure type explosion-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107471.6A CN106870942B (en) | 2017-02-27 | 2017-02-27 | Pipe pressure type explosion-proof valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106870942A true CN106870942A (en) | 2017-06-20 |
| CN106870942B CN106870942B (en) | 2022-05-10 |
Family
ID=59169056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710107471.6A Active CN106870942B (en) | 2017-02-27 | 2017-02-27 | Pipe pressure type explosion-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106870942B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331939A (en) * | 2018-04-04 | 2018-07-27 | 江苏爵格工业设备有限公司 | Active pipe pressure type flame proof valve |
| CN108626448A (en) * | 2018-05-30 | 2018-10-09 | 东北大学 | A kind of active one-way turnover flame proof valve with deashing function |
| CN110848447A (en) * | 2019-12-13 | 2020-02-28 | 汇乐因斯福环保安全研究院（苏州）有限公司 | Pneumatic type active explosion-proof gate valve and explosion-proof method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980014419A (en) * | 1996-08-07 | 1998-05-25 | 박선만 | Automatic safety valve |
| KR20020046247A (en) * | 2002-04-29 | 2002-06-20 | 양영근 | LPG omitted |
| CA2506047A1 (en) * | 2002-11-22 | 2004-06-10 | Rico-Sicherheitstechnik Ag | Blocking element, especially an explosion protection valve |
| CN203394564U (en) * | 2013-05-22 | 2014-01-15 | 山西新思备科技股份有限公司 | Electromagnetic type anti-explosion opening device |
| CN203500825U (en) * | 2013-10-08 | 2014-03-26 | 徐建荣 | Explosion-proof type pressure container used for refined combustible gas |
| CN103790622A (en) * | 2014-01-21 | 2014-05-14 | 中国矿业大学 | Method for active explosion proofing and explosion suppression through high-pressure inert gas |
| CN205001834U (en) * | 2015-08-27 | 2016-01-27 | 南京工业大学 | Intercommunication container with datonation -inhibitionly explode duplicate protection device with letting out |
| CN206626404U (en) * | 2017-02-27 | 2017-11-10 | 江苏爵格工业设备有限公司 | A kind of pipe pressure type flame proof valve |
-
2017
- 2017-02-27 CN CN201710107471.6A patent/CN106870942B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980014419A (en) * | 1996-08-07 | 1998-05-25 | 박선만 | Automatic safety valve |
| KR20020046247A (en) * | 2002-04-29 | 2002-06-20 | 양영근 | LPG omitted |
| CA2506047A1 (en) * | 2002-11-22 | 2004-06-10 | Rico-Sicherheitstechnik Ag | Blocking element, especially an explosion protection valve |
| CN203394564U (en) * | 2013-05-22 | 2014-01-15 | 山西新思备科技股份有限公司 | Electromagnetic type anti-explosion opening device |
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| CN103790622A (en) * | 2014-01-21 | 2014-05-14 | 中国矿业大学 | Method for active explosion proofing and explosion suppression through high-pressure inert gas |
| CN205001834U (en) * | 2015-08-27 | 2016-01-27 | 南京工业大学 | Intercommunication container with datonation -inhibitionly explode duplicate protection device with letting out |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331939A (en) * | 2018-04-04 | 2018-07-27 | 江苏爵格工业设备有限公司 | Active pipe pressure type flame proof valve |
| CN108331939B (en) * | 2018-04-04 | 2024-03-22 | 江苏爵格工业集团有限公司 | Driving pipe pressure type explosion-proof valve |
| CN108626448A (en) * | 2018-05-30 | 2018-10-09 | 东北大学 | A kind of active one-way turnover flame proof valve with deashing function |
| CN108626448B (en) * | 2018-05-30 | 2019-08-27 | 东北大学 | A kind of active one-way turnover flame proof valve with deashing function |
| CN110848447A (en) * | 2019-12-13 | 2020-02-28 | 汇乐因斯福环保安全研究院（苏州）有限公司 | Pneumatic type active explosion-proof gate valve and explosion-proof method |
| CN110848447B (en) * | 2019-12-13 | 2023-11-24 | 汇乐因斯福环保安全研究院（苏州）有限公司 | Pneumatic active explosion-proof gate valve and explosion-proof method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106870942B (en) | 2022-05-10 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 224100 Jiangsu Yancheng City Dafeng Economic Development Zone South of pump valve industrial park Applicant after: Jiangsu Dragon Industries Equipment Co., Ltd. Address before: 224100 Jiangsu Yancheng City Economic Development Zone, south of pump valve industrial park. Applicant before: Jiangsu Dragon Industries Equipment Co., Ltd. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200518 Address after: 224000 Building 1, south side of Xinhe Road, valve industrial park, Dafeng Development Zone, Yancheng City, Jiangsu Province Applicant after: Jiangsu juege safety equipment Co., Ltd Address before: 224100 South Head of Pump Valve Industrial Park of Dafeng Economic Development Zone, Yancheng City, Jiangsu Province Applicant before: JIANGSU DRAGON INDUSTRIAL EQUIPMENT Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210119 Address after: 224199 Xikang Road, Dafeng Economic Development Zone, Yancheng City, Jiangsu Province Applicant after: JIANGSU DRAGON INDUSTRIAL EQUIPMENT Co.,Ltd. Address before: 224000 Building 1, south of Xinhe Road, valve industrial park, Dafeng District, Yancheng City, Jiangsu Province Applicant before: Jiangsu juege safety equipment Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 224199 Xikang Road, Dafeng Economic Development Zone, Yancheng City, Jiangsu Province Applicant after: Jiangsu juege Industry Group Co.,Ltd. Address before: 224199 Xikang Road, Dafeng Economic Development Zone, Yancheng City, Jiangsu Province Applicant before: JIANGSU DRAGON INDUSTRIAL EQUIPMENT Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |