CN206334244U - Automatically lay fire hose device - Google Patents
Automatically lay fire hose device Download PDFInfo
- Publication number
- CN206334244U CN206334244U CN201621488571.5U CN201621488571U CN206334244U CN 206334244 U CN206334244 U CN 206334244U CN 201621488571 U CN201621488571 U CN 201621488571U CN 206334244 U CN206334244 U CN 206334244U
- Authority
- CN
- China
- Prior art keywords
- moving mechanism
- fire hose
- pressure roller
- movable stand
- screw mandrel
- 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.)
- Active
Links
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a kind of full-automatic fire hose device, including low speed walking mechanism, flexible rolling-up mechanism, flushing machine, reason of laying with mechanism, longitudinal moving mechanism, transverse moving mechanism, drying mechanism；Flexible rolling-up mechanism includes being arranged on flexible support body at the top of railway carriage, is installed on the front wheel of flexible support body front end, the preceding pressure roller being installed on front wheel, the first hydraulic motor below flexible support body rear end, rear pressure roller；Movable stand that transverse moving mechanism includes being arranged on above railway carriage, it is secured transverse to the screw mandrel power unit at movable stand two ends；Longitudinal moving mechanism is the gear unit being fixed on movable stand, is driven and operated by screw mandrel power unit；Manage includes the reason being fixed on longitudinal moving mechanism with pressure roller, with managing the hydraulic jack being connected with pressure roller with mechanism.The utility model realizes fire hose automation winding and is placed in fire-fighting railway carriage, reduces the labor intensity of operating personnel, improves the security performance of fire fighting truck.
Description
Technical field
The utility model is related to fire-fighting equipment field, and more particularly to one kind automatically lays fire hose device.
Background technology
Current fire hose laying truck water band lays single with winding function, and water band need to be sent to roof in front of driver's cabin,
And rolling frame is all mounted on driving front screen frame, has greatly blocked the sight of driver's driving.Other rolling frame
All it is into stationary state, it is impossible to move left and right, winder receives water band after railway carriage, needs more than 2 people to bring water into railway carriage
Row is put, and labor intensity is big and dangerous, it is impossible to realize that fire hose is placed in automation.Meanwhile, existing water band laying truck
Without heating, drying device, water band is sent after water, and water capacity easy freezing more than winter, influence is used, and water band is in dampness for a long time,
The serious service life for reducing water band.
Therefore need badly to provide and a kind of new full-automatic lay fire hose device to solve the above problems.
Utility model content
Technical problem to be solved in the utility model is to provide one kind and automatically lays fire hose device, can realize
Fire hose automation winds and is placed in fire-fighting railway carriage, is that fire-fighting and rescue has striven for more times.
In order to solve the above technical problems, the technical scheme that the utility model is used is：One kind is provided automatically to lay
Fire hose device, including low speed walking mechanism, flexible rolling-up mechanism, flushing machine, reason band mechanism, longitudinal moving mechanism, horizontal stroke
To travel mechanism, drying mechanism；
Flexible rolling-up mechanism include being arranged on flexible support body at the top of railway carriage, the front wheel for being installed on flexible support body front end,
It is installed on the preceding pressure roller on front wheel, the first hydraulic motor below flexible support body rear end, rear pressure roller, rear pressure roller and
One hydraulic motor is connected；
Movable stand that transverse moving mechanism includes being arranged on above railway carriage, it is secured transverse to the screw mandrel power at movable stand two ends
Unit；Longitudinal moving mechanism is the gear unit being fixed on movable stand, is driven and operated by screw mandrel power unit；
Manage includes the reason being fixed on longitudinal moving mechanism with pressure roller, with managing the hydraulic jack being connected with pressure roller with mechanism.
In one preferred embodiment of the utility model, low speed walking mechanism is fixed on below the vehicle frame of car body, with car body
Front and rear power transmission shaft connection, make fire fighting truck physical efficiency by 0-5km/h speed walk, it is to avoid wind water band when speed it is too fast.
In one preferred embodiment of the utility model, flushing machine includes the storage tank and water storage being fixed on railway carriage
The connected driven high voltage water pump of case, water spout, water-supply-pipe, water spout are fixed between preceding pressure roller and front wheel, pass through water-supply-pipe
It is connected with driven high voltage water pump.Flushing machine can rinse the silt and debris of water belt surface well.
In one preferred embodiment of the utility model, screw mandrel power unit includes drive link, the second hydraulic motor, slowed down
Case, gear-box, screw mandrel, screw mandrel contiguous block, the second hydraulic motor, reduction box, gear-box are sequentially connected by drive link, screw mandrel
Two ends are fixed on gear-box, are connected in the middle part of screw mandrel by screw mandrel contiguous block with movable stand, are made movable stand by the motion of screw mandrel
Can transverse movement, so as to drive longitudinal moving mechanism to operate.
In one preferred embodiment of the utility model, longitudinal moving mechanism includes two chains being fixed on movable stand
The chain take turns, being placed on sprocket wheel, the 3rd hydraulic motor being connected with sprocket wheel, chain connecting block, chain connecting block are pacified by bolt
On movable stand.Water band is longitudinally placed in railway carriage by longitudinal moving mechanism.
Further, reason band mechanism be connected by chain connecting block with chain, is managed and is clamped water band with vertically moving with mechanism
Mechanism Direct/Reverse on movable stand is moved.
In one preferred embodiment of the utility model, drying mechanism includes being arranged on air-heater below vehicle frame, set
In the warm-air pipe of railway carriage inwall, warm-air pipe is connected with air-heater, and hot blast is transported in railway carriage by warm-air pipe to dry water band.
In one preferred embodiment of the utility model, longitudinal moving mechanism is arranged between movable stand and flexible support body,
After fire hose is by flexible rolling-up mechanism winding, water band is placed in railway carriage in order by longitudinal moving mechanism.
Further, the device is arranged on fire fighting truck or on trailer.
The beneficial effects of the utility model are：The utility model realizes fire hose automation winding and is placed on fire-fighting
In railway carriage, operating personnel's operation is reduced, labor intensity is reduced, improves the security performance of fire fighting truck；Wherein stretch winder
Structure stretches out from driving cab of fire fighting truck front end, away from cab-principal forward facing glazed surface, makes that driver's seat is good, it is convenient to drive；It is logical
Crossing reason band mechanism, transverse moving mechanism and longitudinal moving mechanism can steadily, in order be placed in fire hose in railway carriage；Rinse
Mechanism automatically rinses water meter surface well, drying mechanism drying water band, it is to avoid sharp freezing, it is ensured that it is same that water band is normally used
When also extend the service life of water band.
Brief description of the drawings
Fig. 1 is the front view for being provided with the full-automatic fire fighting truck take-up transport condition for laying fire hose；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the partial enlarged drawing of A in Fig. 2；
Fig. 4 is the front view for being provided with the full-automatic non-take-up transport condition of fire fighting truck for laying fire hose；
Fig. 5 is Fig. 4 top view；
Fig. 6 is the structural representation of the transverse moving mechanism；
Fig. 7 is the structural representation of the longitudinal moving mechanism；
The mark of each part is as follows in accompanying drawing：1st, low speed walking mechanism, 11, dedicated hydraulic motor, 2, flexible rolling-up mechanism,
21st, stretch support body, 22, front wheel, 23, preceding pressure roller, the 24, first hydraulic motor, 25, rear pressure roller, 3, flushing machine, 31, water storage
Case, 32, driven high voltage water pump, 33, water spout, 34, water-supply-pipe, 4, reason band mechanism, 41, reason band pressure roller, 42, hydraulic jack, 5,
Longitudinal moving mechanism, 51, sprocket wheel, 52, chain, the 53, the 3rd hydraulic motor, 54, chain connecting block, 6, transverse moving mechanism, 61,
Movable stand, 62, drive link, the 63, second hydraulic motor, 64, reduction box, 65, gear-box, 66, screw mandrel, 67, screw mandrel contiguous block, 7,
Drying mechanism, 71, air-heater, 72, warm-air pipe, 8, fire-fighting car body, 9, fire hose, 91, water belt lacing.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make protection domain of the present utility model apparent clear and definite
Define.
Fig. 1 to Fig. 7 is referred to, the utility model embodiment includes：
One kind automatically lays fire hose device, can be on the fire-fighting car body 8 or on trailer or other fixing devices
On, it includes low speed walking mechanism 1, flexible rolling-up mechanism 2, flushing machine 3, reason band mechanism 4, laterally longitudinal moving mechanism 5, shifting
Motivation structure 6, drying mechanism 7.
Low speed walking mechanism 1 is fixed on below the vehicle frame of car body 8, is connected with the front and rear power transmission shaft of car body 8, it carries special
Hydraulic motor, enables fire-fighting car body 8 to be walked by 0-5km/h speed, it is to avoid speed is too fast when winding water band 9.
Flexible rolling-up mechanism 2 includes being arranged on flexible support body 21 at the top of railway carriage, is installed on before the flexible front end of support body 21
Roller 22, the preceding pressure roller 23 being installed on front wheel 22, the first hydraulic motor 24 below the flexible rear end of support body 21, after
Pressure roller 25, rear pressure roller 25 is connected with the first hydraulic motor 24.Due to fire hose, 9 every 100 meters are provided with water belt lacing 91, work as winding
When water band 9 encounters water belt lacing 91, rear pressure roller 25 can be rotated by 90 ° in vertical plane passes through the joint of water band 9.
With reference to Fig. 6, transverse moving mechanism 6 include be arranged on railway carriage above movable stand 61, be secured transverse to movable stand 61
The screw mandrel power unit at two ends.Screw mandrel power unit include drive link 62, the second hydraulic motor 63, reduction box 64, gear-box 65,
Screw mandrel 66, screw mandrel contiguous block 67, the second hydraulic motor 63, reduction box 64, gear-box 65 are sequentially connected by drive link 62, screw mandrel
66 two ends are fixed on gear-box 65, and the middle part of screw mandrel 66 is connected by screw mandrel contiguous block 67 with movable stand 61, passes through screw mandrel 66
Motion enable the transverse movement of movable stand 61, so as to drive longitudinal moving mechanism 5 to operate.
With reference to Fig. 7, longitudinal moving mechanism 5 is the gear unit being fixed on movable stand 61, is driven by screw mandrel power unit
Operating, it is arranged between movable stand 61 and flexible support body 21, after fire hose 9 is wound by flexible rolling-up mechanism 2, by vertical
Water band 9 is placed in railway carriage in order to travel mechanism 5.Longitudinal moving mechanism 5 includes two chains being fixed on movable stand 61
Wheel 51, the chain 52 being placed on sprocket wheel 51, the 3rd hydraulic motor 53 being connected with sprocket wheel 51, chain connecting block 54, chain connection
Block 54 is arranged on movable stand 61 by bolt.
Manage includes the reason being fixed on longitudinal moving mechanism 5 with pressure roller 41, with managing the hydraulic pressure being connected with pressure roller 41 with mechanism 4
Oil cylinder 42.Reason band pressure roller 41 can be rotated by 90 ° in the horizontal plane.Reason band mechanism 4 is connected by chain connecting block 54 with chain 52,
Water band 9 is clamped by reason band mechanism 4, and with longitudinal moving mechanism 5, the Direct/Reverse on movable stand 61 is moved.
Flushing machine 3 includes the storage tank 31, the driven high voltage water pump 32 being connected with storage tank 31, spray being fixed on railway carriage
Water nozzle 33, water-supply-pipe 34, water spout 33 are fixed between preceding pressure roller 23 and front wheel 22, pass through water-supply-pipe 34 and driven high voltage water
Pump 32 is connected.Flushing machine 3 can rinse the silt and debris on the surface of water band 9 well.
Air-heater 71 that drying mechanism 7 includes being arranged on below vehicle frame, it is arranged on the warm-air pipe 72 of railway carriage inwall, warm-air pipe
72 are connected with air-heater 71, and hot blast is transported in railway carriage by warm-air pipe 72 to dry water band 9.
With reference to Fig. 1 to Fig. 3, it is described it is full-automatic lay fire hose device the course of work be：
After vehicle starts first, start dedicated hydraulic motor and start low speed running gear 1, make vehicle by the low of 0-5km/h
Speed is walked.With manually the flexible support body 21 on railway carriage top is forward extended out, start flexible rolling-up mechanism 2, in the first hydraulic pressure
Under the drive of motor 24, front wheel 22 and rear pressure roller 25 produce pulling force and are pulled upward to water band 9 on car from ground, and water band 9 is rolled through preceding
Wheel 22, flexible support body 21, rear pressure roller 25 enter longitudinal moving mechanism 5.When water band 9 is by front wheel 22 and preceding pressure roller 23, in electricity
In the presence of dynamic high-pressure hydraulic pump 32, water under high pressure is sprayed into water band 9 by the water in storage tank 31 by water-supply-pipe 34 from water spout 33
Surface, the surface silt of water band 9 and debris are rinsed well, and filthy water is flowed down in front of driver's cabin.
Start transverse moving mechanism 6, the second hydraulic motor 63 is rotated forward, silk is driven by reduction box 64 and gear-box 65
Bar 66 is rotated, and screw mandrel 66 drives the transverse shifting of movable stand 61, when movable stand 61 reaches railway carriage side, in the proximity switch of fire fighting truck
In the presence of the second hydraulic motor 63 rotate backward, the counter motion of movable stand 61, so back and forth motion drive vertically move
Mechanism 5 is moved back and forth.
Start longitudinal moving mechanism 5, the 3rd hydraulic motor 53 rotates forward band movable sprocket 51, makes chain 52 to tailstock direction
It is mobile.When chain 52 reaches the tailstock, invert the 3rd hydraulic motor 53 in the presence of tailstock sensor, drive chain 52 anti-
Turn, when chain 52 reaches railway carriage front portion, rotate forward the 3rd hydraulic motor 53 in the presence of railway carriage front sensors, drive chain
Bar 52 is just turning to the movement of tailstock direction, so moves back and forth, and making water band 9, longitudinal direction is put back and forth in order in railway carriage.
When water band 9 is moved to railway carriage front end, reason band mechanism 4 is in the presence of hydraulic jack 42, and reason band pressure roller 41 is clamped
Water band 9 moves water band 9 to railway carriage afterbody with being moved after movable stand 61, under the photoelectric sensor effect of fire fighting truck, reason band pressure roller 41
Water band 9 is put down in release, and water band 9 is fallen into railway carriage.Reason reaches with mechanism 4 as the forward direction of chain 52 of longitudinal moving mechanism 5 is forwarded to
Railway carriage front end, then railway carriage rear end is reached with the counter motion of movable stand 61, so that water band 9 is put into railway carriage in an orderly manner.
Water band 9 is placed on after railway carriage, starts drying mechanism 7, starts air-heater 71, is closed the roof door of fire-fighting railway carriage, is passed through
Hot blast is transported in railway carriage and dries water band 9 by warm-air pipe 72.
The utility model realizes fire hose automation winding and is placed in fire-fighting railway carriage, reduces operating personnel behaviour
Make, reduce labor intensity, improve the security performance of fire fighting truck；Rolling-up mechanism 2 wherein stretch from driving cab of fire fighting truck front end
Stretch out, away from cab-principal forward facing glazed surface, make that driver's seat is good, it is convenient to drive；By managing band mechanism 4, transverse shifting
Fire hose 9 steadily, in order can be placed in railway carriage by mechanism 6 and longitudinal moving mechanism 5；Flushing machine 3 is automatic by water meter 9
Surface washing is clean, the drying water of drying mechanism 7 band 9, it is to avoid sharp freezing, it is ensured that water band 9 is also extended while normally use
The service life of water band 9.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (9)
1. one kind automatically lays fire hose device, it is characterised in that including low speed walking mechanism, flexible rolling-up mechanism, punching
Washing machine structure, reason band mechanism, longitudinal moving mechanism, transverse moving mechanism, drying mechanism；
Flexible rolling-up mechanism includes being arranged on flexible support body at the top of railway carriage, is installed on the front wheel of flexible support body front end, installs
In the preceding pressure roller on front wheel, the first hydraulic motor below flexible support body rear end, rear pressure roller, rear pressure roller and the first liquid
Pressure motor is connected；
Movable stand that transverse moving mechanism includes being arranged on above railway carriage, it is secured transverse to the screw mandrel power list at movable stand two ends
Member；Longitudinal moving mechanism is the gear unit being fixed on movable stand, is driven and operated by screw mandrel power unit；
Manage includes the reason being fixed on longitudinal moving mechanism with pressure roller, with managing the hydraulic jack being connected with pressure roller with mechanism.
2. according to claim 1 automatically lay fire hose device, it is characterised in that low speed walking mechanism is fixed on
Below the vehicle frame of car body, it is connected with the front and rear power transmission shaft of car body.
3. according to claim 1 automatically lay fire hose device, it is characterised in that flushing machine includes being fixed on
Storage tank, the driven high voltage water pump being connected with storage tank on railway carriage, water spout, water-supply-pipe, water spout be fixed on preceding pressure roller with
Between front wheel, it is connected by water-supply-pipe with driven high voltage water pump.
4. according to claim 1 automatically lay fire hose device, it is characterised in that screw mandrel power unit includes passing
Lever, the second hydraulic motor, reduction box, gear-box, screw mandrel, screw mandrel contiguous block, the second hydraulic motor, reduction box, gear-box lead to
Cross drive link to be sequentially connected, the two ends of screw mandrel are fixed on gear-box, be connected in the middle part of screw mandrel by screw mandrel contiguous block with movable stand.
5. according to claim 1 automatically lay fire hose device, it is characterised in that longitudinal moving mechanism includes two
The individual sprocket wheel being fixed on movable stand, the chain being placed on sprocket wheel, the 3rd hydraulic motor being connected with sprocket wheel, chain connecting block,
Chain connecting block is arranged on movable stand by bolt.
6. according to claim 5 automatically lay fire hose device, it is characterised in that reason band mechanism is connected by chain
Block is connect to be connected with chain.
7. according to claim 1 automatically lay fire hose device, it is characterised in that drying mechanism includes being arranged on
Air-heater below vehicle frame, the warm-air pipe for being arranged on railway carriage inwall, warm-air pipe are connected with air-heater.
8. according to claim 1 automatically lay fire hose device, it is characterised in that longitudinal moving mechanism is arranged on
Between movable stand and flexible support body.
9. automatically lay fire hose device according to any one of claim 1 to 8, it is characterised in that the device is pacified
On fire fighting truck or on trailer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621488571.5U CN206334244U (en) | 2016-12-30 | 2016-12-30 | Automatically lay fire hose device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621488571.5U CN206334244U (en) | 2016-12-30 | 2016-12-30 | Automatically lay fire hose device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206334244U true CN206334244U (en) | 2017-07-18 |
Family
ID=59304125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621488571.5U Active CN206334244U (en) | 2016-12-30 | 2016-12-30 | Automatically lay fire hose device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206334244U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108452458A (en) * | 2017-12-27 | 2018-08-28 | 三汽车制造有限公司 | A kind of wagon |
| CN109045535A (en) * | 2018-09-28 | 2018-12-21 | 南安市简锐工业设计有限公司 | A kind of fire fighting truck of the remote water receiving based on the protection of high efficiency water pipe |
| CN109464768A (en) * | 2018-12-25 | 2019-03-15 | 明光浩淼安防科技股份公司 | A kind of full-automatic water band storage laying truck |
| CN110054032A (en) * | 2019-05-20 | 2019-07-26 | 倪军 | A kind of novel electric telescopic rod |
| CN110395166A (en) * | 2019-08-20 | 2019-11-01 | 福建侨龙应急装备有限公司 | A kind of automatic reason band top headstock gear and its distributing vehicle |
| CN113713298A (en) * | 2021-07-28 | 2021-11-30 | 烟台杰瑞石油装备技术有限公司 | Equipment with water hose collecting function and control method thereof |
-
2016
- 2016-12-30 CN CN201621488571.5U patent/CN206334244U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108452458A (en) * | 2017-12-27 | 2018-08-28 | 三汽车制造有限公司 | A kind of wagon |
| CN108452458B (en) * | 2017-12-27 | 2023-04-28 | 三一汽车制造有限公司 | Water hose fire engine |
| CN109045535A (en) * | 2018-09-28 | 2018-12-21 | 南安市简锐工业设计有限公司 | A kind of fire fighting truck of the remote water receiving based on the protection of high efficiency water pipe |
| CN109045535B (en) * | 2018-09-28 | 2020-10-16 | 谢钊锋 | Fire engine of remote water receiving based on protection of high efficiency water pipe |
| CN109464768A (en) * | 2018-12-25 | 2019-03-15 | 明光浩淼安防科技股份公司 | A kind of full-automatic water band storage laying truck |
| CN109464768B (en) * | 2018-12-25 | 2023-10-31 | 明光浩淼安防科技股份公司 | Full-automatic hosepipe is accomodate and is laid car |
| CN110054032A (en) * | 2019-05-20 | 2019-07-26 | 倪军 | A kind of novel electric telescopic rod |
| CN110395166A (en) * | 2019-08-20 | 2019-11-01 | 福建侨龙应急装备有限公司 | A kind of automatic reason band top headstock gear and its distributing vehicle |
| CN113713298A (en) * | 2021-07-28 | 2021-11-30 | 烟台杰瑞石油装备技术有限公司 | Equipment with water hose collecting function and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206334244U (en) | Automatically lay fire hose device | |
| CN104128318B (en) | A kind of photovoltaic power station component remote control hydraulic pressure cleaning equipment | |
| CN106194060B (en) | A kind of Cabon-fibre continuous sucker rod operating vehicles | |
| CN204815485U (en) | Automatic change rolling and lay fire hose device | |
| CN207550031U (en) | Drainage car | |
| CN108861898A (en) | A kind of power shovel buttock line twisted and released of the cable vehicle device | |
| CN204077623U (en) | A kind of automatic washing vehicle frame | |
| CN208485449U (en) | Vehicular flexible pavement lays retracting device | |
| CN206128723U (en) | Automatic direction crane of parking of vehicle | |
| CN204342282U (en) | For the multi-functional vertical shift actuating device of Bridge Erector | |
| CN205407322U (en) | Movable electric vehicle charging station | |
| CN206988783U (en) | A kind of Lubricating oil adding device for crane | |
| CN104512802A (en) | Multifunctional longitudinal movement driving device for bridge girder erection machine | |
| CN205113120U (en) | Chain drive formula carriage top cap | |
| CN204085312U (en) | A kind of automatic gun wiping device | |
| CN208829038U (en) | A kind of power shovel buttock line twisted and released of the cable vehicle device | |
| CN103660815B (en) | A kind of vehicle for ice and snow road automatic anti-slip device | |
| CN203924830U (en) | A kind of manipulator Transport Vehicle handling equipment | |
| CN203394120U (en) | Double-layer mechanical stereoscopic parking equipment | |
| CN207898793U (en) | A kind of wagon | |
| CN108086735A (en) | A kind of double-layer lifting cross sliding type parking equipment of high safety | |
| CN209724401U (en) | A kind of mining automatic dustfall device | |
| CN202718431U (en) | Automatic telescopic garage | |
| CN206706613U (en) | A kind of flexible banister rod | |
| CN201002929Y (en) | Small-sized road maintenance machinery hoisting transporting vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |