CN201591924U - Bottle group water mist fire extinguishing device - Google Patents
Bottle group water mist fire extinguishing device Download PDFInfo
- Publication number
- CN201591924U CN201591924U CN2009200702969U CN200920070296U CN201591924U CN 201591924 U CN201591924 U CN 201591924U CN 2009200702969 U CN2009200702969 U CN 2009200702969U CN 200920070296 U CN200920070296 U CN 200920070296U CN 201591924 U CN201591924 U CN 201591924U
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- China
- Prior art keywords
- pressure
- water
- valve
- bottle group
- water mist
- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000003595 mist Substances 0.000 title claims abstract description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000007921 spray Substances 0.000 claims abstract description 37
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 28
- 238000003860 storage Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 3
- 230000002335 preservative effect Effects 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 4
- 230000006837 decompression Effects 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 230000003213 activating effect Effects 0.000 abstract 1
- 238000000889 atomisation Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000003889 chemical engineering Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000013589 supplement Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 239000000779 smoke Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000007664 blowing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
A water mist fire extinguishing device belongs to the fire fighting field, and relates to a device used for decomposing water into fine mist drops for spray type fire extinguishing, which solves the problems such as the high-power power supply configuration required by a pump group water mist fire extinguishing device, as well as the complicated recovery of a driving valve and the long-term slow decompression of a pressure gauge after the spraying of the device. The bottle group water mist fire extinguishing device comprises a water mist sprayer, an activating bottle group, a driving bottle group, a water storage bottle group, a sectional valve, a pressure signal generator, a bottle group rack and the like, and is characterized in that the device is powered by self-supplied high-pressure nitrogen, and the high-pressure nitrogen not only drives water but mixes with water to flow to the water mist sprayer for spraying; a driving valve adopts a piston structure and dispenses with a sealing diaphragm, so as to achieve simple and convenient resetting for nitrogen supplement; a self-sealed gauge connector is mounted in front of a pressure gauge, so as to ensure the reliability of long-term storage; the sealing between nozzles of the water mist sprayer and the body of the device adopt metallic sealing, so as to avoid leakage under circumstances such as long-term use in an environment with temperature changes, fire baking and sharp water mist cooling; the circulation area of a semi-spherical filter screen is twice of that of a flat filter screen; and a dustproof cover can prevent oil stains and dusts from entering the nozzles and blocking the nozzles and atomization cores after accumulation. The device has wide application prospect in power, chemical engineering, trains, airplanes, etc.
Description
Technical field
The utility model relates to fire protection sector, a kind of bottle group type fine spray extinguisher, the high pressure nitrogen of utilization itself is as power, nitrogen drives water and rotary-cut by a certain percentage gets involved mixing, being delivered to fine mist spray head by the road spurts, split water into the fine and closely woven droplet of 50-200um and put out a fire, belong to fire-fighting domain.
Background technology
Fine spray extinguisher mostly is pump group formula at present, needs tens of kilowatts power; The bottle group type fine spray extinguisher is less, at present bottle group type pressure-reducing valve is set mostly, water-storage pot is a welded type, the rated operating pressure of welded type steel cylinder is not more than 4.5MPa; Pressure-reducing valve is subjected to the temporary impact of 12MPa gases at high pressure during startup, causes superpressure to destroy, damage to downstream pipe fitting, valve.
The driver's valve of the thin water smoke of bottle group type is a diaphragm structure at present, punctures diaphragm during startup and starts, and uses the back to recover trouble, as changes special-purpose seal membrane, and tighten by rated moment, checks the sharpening edge of a knife.There is hidden danger in such fine spray extinguisher, starts the back and recovers needs for preparation against war professional tool and professional, wastes time and energy.
At present the nozzle of fine mist spray head adopts soft sealing structure with being connected of body, in environment temperature alternately in the long-term use of variation, and when sharply cooled off by flame baking, water smoke, easily cause seal failure, the seepage of dripping.
Summary of the invention
The instantaneous superpressure of pressure-reducing valve is to damage, the destruction of downstream pipe fitting when starting for resolution system; Driver's valve recovers the convenience that war preparedness is used; Each small nozzle of fine mist spray head and body use problems such as sealing reliability for a long time.The utility model provides a kind of bottle group type fine spray extinguisher: it does not adopt pressure-reducing valve and adopts orifice plate, the non-welding of water-storage pot but rated operating pressure is the seamless steel cylinder of 12MPa, and inner chamber is through preservative treatment; Driver's valve adopts the piston cap plate structure, and stingless rupture of membranes sheet is depressed piston and buckled cover plate and promptly return to the war preparedness application state after the startup, be provided with before the Pressure gauge of driver's valve from close formula meter connector, and is normally closed at ordinary times, guarantees that long-term use do not rush down pressure; The water storage cylinder valve is provided with screen pack and siphon pipe, and the siphon pipe neck has the hole of cutting sth. askew, and gas and water are pre-mixed in proportion, improves the atomizing effect of system and the initial driving force of droplet; Each small nozzle of fine mist spray head and body adopt hard sealing, in the use of long-term variations in temperature and flame baking and water smoke non-leakage when sharply cooling off, the groove vortex of cutting sth. askew in the atomizing core is designed to atomizes, and the shower nozzle inlet is equipped with mold pressing hemisphere face bound edge filter screen, and outlet is with dust cover.
The utility model be achieved in that the bottle group type fine spray extinguisher by fine mist spray head (13), start bottle group (9), drive bottle group (4), a water-storage pot group (1), header (12), safety valve (5), subregion valve (8), check valve (11), low pressure seepage valve (7), pressure signal generator (6), bottle group frame (10) etc. and form.
12MPa high-pressure nitrogen bottle outlet is not adopted pressure-reducing valve and is adopted pressure reducing orifice, the non-welding of water-storage pot but rated operating pressure is the seamless steel cylinder of 12MPa, and inner chamber carries out preservative treatment; Pipe fitting behind the pressure reducing orifice is all by 12MPa pressure rating configuration, guarantees the security used, and pressure reducing orifice is set can the extension fixture blowdown time, makes the fine mist spray head blowing down pressure be tending towards a zone of reasonableness, has improved the extinguishing property of device.
Driver's valve adopts the piston cap plate structure, and stingless rupture of membranes sheet starts and discharges after the high pressure nitrogen, depresses piston and buckles cover plate and promptly return to sealing state, and inflated with nitrogen just can come into operation to 12MPa again.Be provided with before the Pressure gauge of driver's valve from close formula joint, adopt hard sealing structure, 180 degree of outwarding winding during the meter reading value; Normally closed at ordinary times, in long process, avoided the slow pressure release at Pressure gauge capillary coil pipe and Pressure gauge and meter connector place; Thereby guaranteed that nitrogen drives bottle group leader's phase and do not fall to press.
The water storage cylinder valve is provided with 30 order screen pack and siphon pipes, siphonal bottom pipeline section has the dozens of inlet opening, on the tube wall of the siphon pipe outside, the jump ring hoop is placed in the groove of pipeline 30 mesh filter screens, possesses the craze and transfiguration ability of washing away of anti-High-Pressure Water by a plurality of jump ring shroud rings of stainless steel; The siphon pipe neck has the hole of cutting sth. askew, and gas and water are pre-mixed in proportion, improves the atomizing effect of device and the initial driving force of droplet.
Each small nozzle of fine mist spray head and body adopt the hard sealing structure of arc awl, replace variation, flame baking and water smoke when sharply cooling off and non-leakage in the use that changes of blowing down pressure in the long-range circumstances temperature, the groove vortex of cutting sth. askew in the atomizing core is designed to atomizes, and has good injection and extinguishing property in the 4.0-12MPa pressure limit.The shower nozzle inlet is equipped with mold pressing hemisphere face bound edge filter screen, under identical bore, is 2 times of flat filter screen conveyance capacity; Each small nozzle cylindrical of fine mist spray head is with dust cover, and this dashes when covering on pressure≤0.5MPa.
The beneficial effects of the utility model are: avoided the infringement of the instantaneous superpressure of pressure-reducing valve, improved the security of device; Improved and driven the sealing that bottle group high pressure nitrogen stores; Prolonged the injecting time of the thin water smoke device of bottle group type; Relax the attenuation process of device output pressure, guaranteed the sealing of each nozzle of fine mist spray head; The injection kinetic energy and the atomizing effect of thin water smoke have been strengthened.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a schematic diagram of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is a vertical view of the present utility model.
Fig. 4 is the vital part in the utility model: the driver's valve cutaway view.
Fig. 5 is the vital part in the utility model: driver's valve pressure tapping figure.
Fig. 6 is the vital part in the utility model: driver's valve cylinder figure.
Fig. 7 is the vital part in the utility model: water storage valve front view.
Fig. 8 is the vital part in the utility model: water storage valve vertical view.
Fig. 9 is the vital part in the utility model: fine mist spray head figure.
The device action flow process is: open earlier startup bottle group; discharge and start the subregion valve that nitrogen is opened the protection zone; discharge again the high pressure nitrogen in each driving bottle group; inflow gas header after the orifice plate decompression; enter each water-storage pot; compressing water storage flows into the water header by siphon pipe, pressure reducing orifice, high-pressure hose, afterwards by subregion valve, conveyance conduit, spurts to fine mist spray head.
Formed by driver's valve and 40L nitrogen cylinder and to drive the bottle group, be filled with at ordinary times 12MPa nitrogen, be furnished with Pressure gauge, from close formula meter connector, safety valve, urgent handle; Can pneumatic unlatching with pull emergency opening. The driver's valve outlet is designed with pressure reducing orifice, is connected with the gas header by high-pressure hose.
By storing valve and 40L, rated pressure consists of the water-storage pot group for the 12MPa seamless steel cylinder, pours at ordinary times the 40L pure water, is passive state and deposits, and is furnished with screen pack, siphon pipe, inlet suction port, water out adapter and safety valve; The siphon pipe neck is designed with the inlet channel of cutting sth. askew.
Each small nozzle of fine mist spray head and body adopt the hard sealing structure of arc cone; Atomizing core and nozzle interference are nested; The groove vortex of cutting sth. askew in the atomizing core is designed to atomizes; The shower nozzle entrance is equipped with mold pressing hemisphere face bound edge filter screen; Each small nozzle cylindrical cover of fine mist spray head has large red polyethylene dust cover.
The technical scheme in the invention for solving the technical problem is:
Formed by driver's valve and 40L nitrogen cylinder and to drive the bottle group, be filled with at ordinary times 12MPa nitrogen, be furnished with Pressure gauge, from close formula meter connector, safety valve, urgent handle; Can pneumatic unlatching with pull emergency opening. The driver's valve outlet is designed with pressure reducing orifice, is connected with the gas header by high-pressure hose. Be at ordinary times hard hermetically closing locking state from close meter connector, in long process, avoided the slow pressure release at Pressure gauge capillary coil pipe and Pressure gauge and meter connector place, improved the sealing that drives the storage of bottle group high pressure nitrogen. The pressure reducing orifice of driver's valve outlet design, orifice plate are according to the different of the length of device transfer pipeline and the fine mist spray head quantity of wearing etc. and bore is different, and it has relaxed the attenuation process of installing output pressure.
By storing valve and 40L, rated pressure consists of the water-storage pot group for the 12MPa seamless steel cylinder, pours at ordinary times the 40L pure water, is passive state and deposits, and is furnished with screen pack, siphon pipe, inlet suction port, water out adapter and safety valve; The siphon pipe neck is designed with the inlet channel of cutting sth. askew, and gas and water are pre-mixed in proportion, has improved the atomizing effect of device and the initial driving force of droplet. Water-storage pot group and pipe fitting thereof are pressed the 12MPa pressure rating and are made configuration, and the release of the gases at high pressure when the energy holder starts is impacted.
Each small nozzle of fine mist spray head and body adopt the hard sealing structure of arc cone, guarantee the long-range circumstances temperature replace variation, flame baking and water smoke when sharply cooling off with the use procedure of blowing down pressure variation in non-leakage; Atomizing core and nozzle interference are nested; The groove vortex of cutting sth. askew in the atomizing core is designed to atomizes, and has good injection and extinguishing property in the 4.0-12MPa pressure limit; The shower nozzle entrance is equipped with mold pressing hemisphere face bound edge filter screen, and conveyance capacity is 2 times of the flat filter screen of identical bore; Each small nozzle cylindrical cover of fine mist spray head has large red polyethylene dust cover, prevents that greasy dirt, dust from entering nozzle and atomizing core, causing atomizing to lose efficacy, and this cover≤0.5MPa pressure comes off.
The specific embodiment
The bottle group type fine spray extinguisher is made up of fine mist spray head, startup bottle group, a driving bottle group, water-storage pot group, header, subregion valve, check valve, low pressure seepage valve, pressure signal generator, bottle group frame etc.
Start the bottle group and form, be filled with 6MPa nitrogen at ordinary times, be furnished with safety valve, Pressure gauge, from close formula meter connector by electromagnet bottle valve and 4L nitrogen cylinder; Can electronic, manually bounce unlatching.Drive the bottle group and form, be filled with 12MPa nitrogen at ordinary times, join with Pressure gauge, from close formula meter connector, safety valve, handle by driver's valve and 40L nitrogen cylinder; Can pneumatic unlatching or pull emergency opening.The water-storage pot group is made up of for the 12MPa seamless steel cylinder water storage valve and 40L, rated pressure, and perfusion 40L pure water is passive state at ordinary times and deposits, and is furnished with screen pack, siphon pipe, inlet suction port, water out adapter and safety valve; Water storage is extruded and the mixing of rotary-cut by a certain percentage with it by admission pressure.The subregion valve, can pneumatic unlatching with pull emergency opening, current are discharged into corresponding protection zone.The pressure signal generator, on the pipeline behind installation and the subregion valve, when pressure rises in spurting thin water smoke pipeline, the action of pressure signal generator, the output device enabling signal is given control centre.Low pressure seepage valve prevents to start the long-term slow seepage of startup nitrogen in the gas circuit, causes to start the overstocked rising in loop, error starting device.Check valve is installed on the pneumatic control circuit, and control starts nitrogen and flows to, and realizes the startup of the corresponding protection zone of control.Bottle group frame is used for fixing and drives bottle group, water-storage pot group and header, produces vibrations when preventing to spray.
When the condition of a fire takes place; open corresponding startup bottle group; discharge 6MPa startup nitrogen and open the subregion valve of corresponding protection zone; start nitrogen through behind the check valve; open each again and drive the bottle group; drive in the bottle 12MPa high pressure nitrogen after the orifice plate decompression by high-pressure hose inflow gas header; enter each water-storage pot afterwards; compressing water storage is by screen pack; siphon pipe flows out toward outlet; simultaneously a part of nitrogen enters siphon pipe by the hole of cutting sth. askew and is rotated with water and mixes, and these gas-liquid two-phase current are through pressure reducing orifice; high-pressure hose flows into the water header and compiles, by the subregion valve; conveyance conduit; to each skewed slot atomizing core of fine mist spray head, vortex atomizing once more; spurt fire extinguishing by each nozzle.Pressure signal generator closed action is indicated this guard plot to start to control centre and is spurted simultaneously.
1) device rated operating pressure: 12MPa.
2) start bottle group pressure store: 6MPa.
3) Applicable media: water, AFFF premix.
4) fine mist spray head blowing down pressure: 4.0-12MPa.Pressure limit is wide, and adaptability is strong.
5) fine mist spray head mounting means: upright downwards, level, oblique installation, installing space is 2.0m, setting height(from bottom) 4m, atomizing is evenly.
6) be applicable to oil fire and electrical fire.
Claims (4)
1. fire-fighting bottle group type fine spray extinguisher, the bottle group connects by header; Current are decomposed into the fine and closely woven droplet of 50um-200um spurt the device of fire extinguishing; The bottle group type fine spray extinguisher by: fine mist spray head (13), start bottle group (9), a low pressure seepage valve (7), drive bottle group (4), a water-storage pot group (1), header (12), subregion valve (8), pressure signal generator (6), bottle group frame (10) and check valve (11) etc. form.
2. bottle group type fine spray extinguisher according to claim 1, it is characterized in that driver's valve and nitrogen cylinder composition, driver's valve is the piston type covering plate structure, have pressure indication, safety valve, be provided with before the Pressure gauge from close formula meter connector, possess pneumatic and manually opened function, be provided with the emergency operation handle; Driver's valve outlet and high-pressure hose adopt the hard sealing structure of circular cone and sphere.
3. bottle group type fine spray extinguisher according to claim 1: it is characterized in that the water-storage pot group is made up of filter, siphon pipe, bottle valve and water-storage pot; The water-storage pot inner chamber did not lose efficacy when temperature and pressure variation by preservative treatment; Filter is provided with skeleton, can impact by anti-High-Pressure Water; Bottle valve is provided with air inlet, siphon pipe, delivery port and blowout disk, and siphon neck neck place is provided with the air inlet hole of cutting sth. askew.
4. bottle group type fine spray extinguisher according to claim 1: it is characterized in that fine mist spray head is made up of screen pack, body, atomizing core, nozzle, dust cover; Atomizing core influent side is two symmetrical straight troughs, and water outlet side is two symmetries grooves of cutting sth. askew, and the concentric indent conical bore of this groove and atomizing core middle part and nozzle bore is tangent, makes the current rotary-atomizing; Atomizing core and nozzle adopt interference to inlay, and nozzle and body adopt conical surface hard sealing structure; Dust cover adopts bright red polytetrafluoroethylene (PTFE), at ordinary times with nozzle cylindrical interference fit, comes off under outlet hydraulic pressure; The influent side screen pack is mold pressing hemisphere face screen pack, and circumferential bands strengthens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200702969U CN201591924U (en) | 2009-04-13 | 2009-04-13 | Bottle group water mist fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200702969U CN201591924U (en) | 2009-04-13 | 2009-04-13 | Bottle group water mist fire extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201591924U true CN201591924U (en) | 2010-09-29 |
Family
ID=42773986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200702969U Expired - Lifetime CN201591924U (en) | 2009-04-13 | 2009-04-13 | Bottle group water mist fire extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201591924U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103550888A (en) * | 2013-11-08 | 2014-02-05 | 西安新竹防灾救生设备有限公司 | Bottle-group-type gas driving mixed fire extinguishing device |
| CN110090376A (en) * | 2019-05-28 | 2019-08-06 | 国网湖南省电力有限公司 | The water mists injection apparatus of the long-range live-wire fire fighting of for transformer oil fire |
-
2009
- 2009-04-13 CN CN2009200702969U patent/CN201591924U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103550888A (en) * | 2013-11-08 | 2014-02-05 | 西安新竹防灾救生设备有限公司 | Bottle-group-type gas driving mixed fire extinguishing device |
| CN110090376A (en) * | 2019-05-28 | 2019-08-06 | 国网湖南省电力有限公司 | The water mists injection apparatus of the long-range live-wire fire fighting of for transformer oil fire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: ZHU QI |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110908 Address after: 201612 A building, No. three North 1108 temple, Xinqiao temple, Xinqiao Town, Shanghai, Songjiang District Patentee after: Shanghai Liangxiao Fire Fighting Equipment Co., Ltd. Address before: 201612 A building, No. three North 1108 temple, Xinqiao temple, Xinqiao Town, Shanghai, Songjiang District Co-patentee before: Zhu Qi Patentee before: Shanghai Liangxiao Fire Fighting Equipment Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Shanghai Liangxiao Fire Fighting Equipment Co., Ltd. Document name: Notification of Termination of Patent Right |
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| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI NANXIAO FIRE PROTECTION ENGINEERING EQUIP Free format text: FORMER OWNER: SHANGHAI LIANGXIAO FIRE EQUIPMENT CO., LTD. Effective date: 20140527 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201612 SONGJIANG, SHANGHAI TO: 201600 JIADING, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140527 Address after: 118, room 201600, 3 west side, 3131 Jinsha River Road, Shanghai, Jiading District Patentee after: Shanghai Nanxiao Fire Protection Engineering Equipment Co., Ltd. Address before: 201612 A building, No. three North 1108 temple, Xinqiao temple, Xinqiao Town, Shanghai, Songjiang District Patentee before: Shanghai Liangxiao Fire Fighting Equipment Co., Ltd. |
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| DD01 | Delivery of document by public notice |
Addressee: Zhu Qi Document name: Notification of Passing Examination on Formalities |
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| PP01 | Preservation of patent right |
Effective date of registration: 20190327 Granted publication date: 20100929 |
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| PP01 | Preservation of patent right | ||
| CX01 | Expiry of patent term |
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| CX01 | Expiry of patent term | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20190413 Granted publication date: 20100929 |
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