CN210024618U - Water flow system for smoke removal of pipe cutting machine - Google Patents
Water flow system for smoke removal of pipe cutting machine Download PDFInfo
- Publication number
- CN210024618U CN210024618U CN201920570617.5U CN201920570617U CN210024618U CN 210024618 U CN210024618 U CN 210024618U CN 201920570617 U CN201920570617 U CN 201920570617U CN 210024618 U CN210024618 U CN 210024618U
- Authority
- CN
- China
- Prior art keywords
- smoke
- pipe
- water
- dust
- groove
- 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
Images
Landscapes
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model discloses a rivers system for pipe cutting machine smoke abatement, it relates to pipe fitting cutting field, aim at solving the smoke and dust pollution operational environment's that produces problem among the current pipe cutting machine pipe cutting engineering, its technical essential includes pipe cutting mechanism, the setting is located the smoke absorption hood of cutting top at pipe cutting mechanism, the smoking pipe that links to each other with the smoke absorption hood sets up on pipe cutting mechanism, the smoking fan of setting at smoking pipe outlet smoke end, the defeated tobacco pipe of setting at smoking fan outlet smoke end, the chimney that removes of setting on pipe cutting mechanism, the smoke and dust that sets up in the chimney that removes on the lower section of thick bamboo wall and be connected with defeated tobacco pipe advances the pipe, the smoke and dust exit tube that sets up on chimney top and set up the rivers subassembly that is used for absorbing the smoke and dust in the chimney that removes, the purpose of absorbing the smoke and dust that the pipe produced has been reached.
Description
Technical Field
The utility model relates to a pipe fitting cutting field, more specifically say, it relates to a water flow system for pipe cutting machine smoke abatement.
Background
During the production of the pipe, it is generally necessary to cut the pipe into corresponding lengths by a pipe cutting machine according to the use requirements.
The prior Chinese patent with the publication number of CN207057397U discloses a pipe cutting machine, which comprises a machine table, wherein the machine table is provided with a straightening seat and a pipe cutting seat, a pipe conveying seat is arranged between the straightening seat and the pipe cutting seat, a rear pipe clamping seat is arranged between the pipe cutting seat and the pipe conveying seat, and a front pipe clamping seat is arranged in front of the pipe cutting seat; the pipe joint forming device also comprises a front pipe end forming device and a rear pipe end forming device which are respectively arranged at the front side and the rear side of the front pipe clamping seat and can respectively shape the front end and the rear end of the pipe section.
However, in the process of cutting the pipe, a large amount of smoke is generated due to high-speed friction between the cutter and the pipe, and the production environment is polluted.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a rivers system for pipe cutting machine removes cigarette, it can absorb the purification to the smoke and dust that pipe cutting produced.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a rivers system for pipe cutting machine removes cigarette, including pipe cutting mechanism, the setting is located the smoke absorption hood of cutting top at pipe cutting mechanism, the smoking pipe that links to each other with the smoke absorption hood is set up on pipe cutting mechanism, the smoking fan of setting at smoking pipe outlet smoke end, the defeated tobacco pipe of setting at smoking fan outlet smoke end, the chimney that removes of setting on pipe cutting mechanism, the smoke and dust inlet pipe of setting on removing chimney lower department section of thick bamboo wall and being connected with defeated tobacco pipe, the setting is at the smoke and dust exit tube that removes chimney top and the rivers subassembly that is used for absorbing the smoke and dust in removing the chimney.
By adopting the technical scheme, the smoking fan provides power, smoke dust is sucked into the smoking pipe through the smoking cover, then the smoke dust is conveyed into the smoke removing cylinder through the smoke conveying pipe by the smoking pipe, so that the smoke dust is contacted with the absorption liquid sprayed by the water flow component, harmful substances in the smoke dust are absorbed and settled, then the treated smoke dust is discharged through the smoke dust outlet pipe, the smoke dust is absorbed and purified, and the pollution to the working environment is reduced.
The utility model discloses a further set up to, the rivers subassembly leads to the groove including setting up the logical groove of intaking that extends along the horizontal direction in removing chimney bottom end section of thick bamboo wall, set up in removing chimney section of thick bamboo wall with the logical groove delivery end of intaking communicate with each other and follow the water delivery that vertical direction upwards extended and lead to the groove, set up in removing chimney top section of thick bamboo wall with the logical groove delivery end of water delivery communicate with each other and follow the play water channel that the horizontal direction extended, set up and lead to the shower nozzle of water delivery end to removing the chimney water spray and run through the accumulator that is provided with except that the chimney bottom and the recovery tank that links to each other with the accumulator at the logical.
Through taking above-mentioned technical scheme, the absorption liquid enters into the logical groove of intaking, through the effect of self gravity, it leads to the groove to hold full intaking gradually, the water delivery leads to the groove and goes out the water and lead to the groove, make the absorption liquid reach behind the shower nozzle, there is sufficient pressure can spout fully in succession, and simultaneously, lead to the groove of intaking, the logical groove of water delivery leads to the groove with go out the water and set up in the section of thick bamboo wall that removes the chimney, reduce the logical groove of intaking, the logical space that groove and play water lead to, improve space utilization.
The utility model discloses a further set up to, it sets up connecting ring board one to remove the section of thick bamboo wall top of chimney along circumference, be provided with relatively along the horizontal direction on the end wall of connecting ring board one and use the connecting plate one that removes the chimney axis as the symmetry axis, the section of thick bamboo wall bottom that removes the chimney sets up connecting ring board two along circumference, be provided with relatively along the horizontal direction on the end wall of connecting ring board two and use the connecting plate two that removes the chimney axis as the symmetry axis, connecting plate one and connecting plate two pass through the bolt and are connected with pipe cutting mechanism.
Through taking above-mentioned technical scheme, connecting plate one uses except that the chimney axis sets up as symmetry axis symmetry, connecting plate two also uses except that the chimney axis sets up as symmetry axis symmetry, and simultaneously, connecting plate one and connecting plate two are located the upper and lower both ends that remove the chimney respectively, can make the chimney atress even when installing the chimney on surely managing the mechanism, and then can make the chimney stably firmly fix on surely managing the mechanism, avoid because the mobile action of absorption liquid and smoke and dust, make the chimney take place to rock, drop from surely managing the mechanism.
The utility model discloses a further set up to, the bottom that removes the chimney is provided with the transition fill, the play water narrow end and the recovery tube of transition fill are connected.
Through taking above-mentioned technical scheme, the transition fill can make the absorption liquid that has dissolved harmful substance flow out completely along the slope lateral wall that the transition is all and remove the chimney, avoids dissolving the absorption liquid that has harmful substance and remains in removing the chimney, difficult clearance.
The utility model discloses a further set up to, the logical groove of intaking, water delivery lead to the groove and go out the water and lead to the corner of connection that the groove all is provided with the intensity enhancement layer.
Through taking above-mentioned technical scheme, because the flowing direction of the absorbed liquid at the logical groove of intaking, the logical groove of water delivery and the logical groove of water delivery connect the corner changes, make the flow mode of absorbed liquid turn into the torrent, the disturbance increase between the absorbed liquid, the velocity of flow increases, to the logical groove of intaking, the logical groove of water delivery and the logical groove of water delivery connect the impact force of corner also grow, consequently set up the intensity enhancement layer and be favorable to protecting the logical groove of intaking, the logical groove of water delivery and the logical groove of water delivery connect the corner and do not receive the damage.
The utility model discloses a further set up to, the play cigarette end of smoke and dust exit tube is provided with the smoke guide tube, the play cigarette end of smoke guide tube is provided with smoke guide fan.
By adopting the technical scheme, because the smoke dust contains various substances, the density of the smoke dust is close to that of air, in order to avoid the accumulation of the smoke dust in the smoke removing cylinder or the flow of the smoke dust to the smoke dust outlet pipe at the bottom end of the smoke removing cylinder, the smoke guide fan is arranged to reduce the pressure in the smoke removing cylinder, so that the smoke dust is conveyed upwards and is fully contacted with the absorption liquid, and then the smoke dust is discharged by the smoke dust outlet pipe and the smoke guide pipe.
The utility model discloses a further set up as, the play cigarette end that the smoke and dust advances the pipe is less than the smoke and dust in vertical direction and advances the cigarette end that the pipe.
By adopting the technical scheme, the smoke and dust gradually tends to accumulate in the smoke and dust inlet pipe, so that the smoke and dust discharged from the smoke and dust outlet end of the smoke and dust inlet pipe can flow downwards obliquely, the retention time of the smoke and dust in the smoke removing cylinder can be prolonged, and the smoke and dust is fully contacted with the absorption liquid.
The utility model discloses a further set up to, the end of intaking that the logical groove of intaking is provided with the inlet tube, be provided with pressure regulating valve on the inlet tube.
By adopting the technical scheme, because the absorption degree between different substances in the smoke and the absorption liquid can be influenced by the flow velocity of the absorption liquid, the pressure regulating valve is arranged, the flow velocity of the absorption liquid can be regulated according to the difference of the substances in the smoke and the dust, and the smoke and the absorption liquid are in good contact.
To sum up, the utility model discloses following beneficial effect has:
1. the utility model provides power by using the smoking fan, the smoke suction hood sucks the smoke dust into the smoking pipe, then the smoke dust is conveyed into the smoke removing cylinder through the smoke conveying pipe by the smoking pipe, the smoke dust is contacted with the absorption liquid sprayed out by the water flow component, and then harmful substances in the smoke dust are absorbed and settled, and then the treated smoke dust is discharged by the smoke dust outlet pipe, so that the smoke dust is absorbed and purified, and the pollution to the working environment is reduced;
2. the utility model provides an among the rivers subassembly, make the absorption liquid enter into the logical inslot of intaking in advance, then make the absorption liquid under the effect of self gravity, hold gradually full intake and lead to the groove, the water delivery leads to the groove and goes out the water and lead to the groove, and then make the absorption liquid reach behind the shower nozzle, have sufficient pressure to spout fully continuously, and simultaneously, lead to the water intake, the water delivery leads to the groove and goes out the water and leads to the groove setting in the section of thick bamboo wall that removes the chimney, reduce the logical groove of intaking, the logical space that groove and play water lead to the groove of water delivery, improve space utilization.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial cross-sectional view of a structure of a water flow module embodying the present invention.
Reference numerals: 1. a pipe cutting mechanism; 2. a smoke suction hood; 3. a smoking pipe; 4. a smoking fan; 5. a smoke conveying pipe; 6. a chimney removing cylinder; 7. a smoke inlet pipe; 8. a smoke outlet pipe; 9. a water flow assembly; 10. a water inlet through groove; 11. a water delivery through groove; 12. a water outlet through groove; 13. a spray head; 14. a recovery pipe; 15. a recovery water tank; 16. connecting the ring plate I; 17. a second connecting ring plate; 18. a first connecting plate; 19. a second connecting plate; 20. a transition hopper; 21. a strength reinforcing layer; 22. a smoke guide pipe; 23. a smoke guide fan; 24. a water inlet pipe; 25. a pressure regulating valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
the utility model discloses a water flow system for smoke removal of a pipe cutting machine, as shown in figure 1 and figure 2, the water flow system comprises a pipe cutting mechanism 1, a smoke suction hood 2 arranged above the cutting of the pipe cutting mechanism 1, a smoke suction pipe 3 arranged on the pipe cutting mechanism 1 and connected with the smoke suction hood 2, a smoke suction fan 4 arranged at the smoke outlet end of the smoke suction pipe 3, a smoke output pipe 5 arranged at the smoke outlet end of the smoke suction fan 4, a smoke removal cylinder 6 arranged on the pipe cutting mechanism 1, a smoke inlet pipe 7 arranged on the lower cylinder wall of the smoke removal cylinder 6 and connected with the smoke output pipe 5, a smoke outlet pipe 8 arranged at the top end of the smoke removal cylinder 6 and a water flow component 9 arranged in the smoke removal cylinder 6 and used for absorbing smoke; before the pipe cutting, at first start rivers subassembly 9, then open smoking fan 4 again, begin to cut the pipe at last, at the pipe cutting in-process, smoking fan 4 inhales the smoke and dust to smoking pipe 3 in through smoking cover 2, then carry the smoke and dust through defeated tobacco pipe 5 by smoking pipe 3 in removing chimney 6, make the smoke and dust and carry out the contact by rivers subassembly 9 spun absorption liquid, and then absorb and subside the harmful substance in the smoke and dust, then the smoke and dust of processing is discharged by smoke and dust exit tube 8 again, reach and absorb the smoke and dust and purify, reduce the pollution to operational environment.
As shown in fig. 1 and 2, the water flow component 9 includes a water inlet through groove 10 arranged in the wall of the bottom end of the smoke removing cylinder 6 and extending along the horizontal direction, a water delivery through groove 11 arranged in the wall of the smoke removing cylinder 6 and communicated with the water outlet end of the water inlet through groove 10 and extending upward along the vertical direction, a water outlet through groove 12 arranged in the wall of the top end of the smoke removing cylinder 6 and communicated with the water outlet end of the water delivery through groove 11 and extending along the horizontal direction, a spray head 13 arranged at the water outlet end of the water outlet through groove 12 and spraying water to the smoke removing cylinder 6, a recovery pipe 14 arranged at the bottom end of the smoke removing cylinder 6 in a penetrating manner, and a recovery water tank 15 connected with the recovery pipe 14, wherein the connecting corners of the water inlet through groove 10, the water delivery; the absorption liquid gets into by logical groove 10 of intaking, then be full of logical groove 10 of intaking, it leads to groove 12 to fill out water along water delivery logical groove 11 again, then spout by shower nozzle 13, absorption liquid and smoke and dust move towards opposite direction, then the mutual contact, the harmful substance of absorption liquid in to the smoke and dust absorbs, then dissolve the absorption liquid that has harmful substance and enter into recovery tank 15 along recovery tube 14 in, the smoke and dust of handling is discharged by smoke and dust exit tube 8, and simultaneously, the intensity enhancement layer 21 increases logical groove 10 of intaking, the logical groove 11 of water delivery and the shock resistance who goes out the connection corner of logical groove 12 of water.
As shown in fig. 1 and 2, a transition hopper 20 is arranged at the bottom end of the smoke removing cylinder 6, a narrow water outlet end of the transition hopper 20 is connected with the recovery pipe 14, a smoke guide pipe 22 is arranged at a smoke outlet end of the smoke outlet pipe 8, a smoke guide fan 23 is arranged at a smoke outlet end of the smoke guide pipe 22, a smoke outlet end of the smoke inlet pipe 7 is vertically lower than a smoke inlet end of the smoke inlet pipe 7, a water inlet pipe 24 is arranged at a water inlet end of the water inlet through groove 10, and a pressure regulating valve 25 is arranged on the water inlet pipe 24; before the smoke is introduced, the smoke guide fan 23 is started to prevent the smoke from flowing away below the smoke removing chimney 6, then the opening degree of the pressure regulating valve 25 is changed according to the requirement of substances in the smoke, the flowing speed of the absorption liquid is regulated, the smoke flows upwards after being fully contacted with the absorption liquid and is discharged from the smoke outlet pipe 8 and the smoke guide pipe 22, and the absorption liquid absorbing harmful substances completely flows out of the smoke removing chimney 6 along the transition hopper 20 and enters the recovery water tank 15 from the recovery pipe 14.
As shown in fig. 1, a first connecting ring plate 16 is arranged at the top end of the cylinder wall of the smoke removing cylinder 6 along the circumferential direction, a first connecting plate 18 taking the axis of the smoke removing cylinder 6 as a symmetry axis is arranged on the end wall of the first connecting ring plate 16 along the horizontal direction, a second connecting ring plate 17 is arranged at the bottom end of the cylinder wall of the smoke removing cylinder 6 along the circumferential direction, a second connecting plate 19 taking the axis of the smoke removing cylinder 6 as a symmetry axis is arranged on the end wall of the second connecting ring plate 17 along the horizontal direction, and the first connecting plate 18 and the second connecting plate 19 are connected with the pipe cutting mechanism 1 through bolts; the first connecting plate 18 and the second connecting plate 19 are respectively connected to the pipe cutting mechanism 1 through bolts, so that the smoke removing cylinder 6 can be stably arranged on a pipe of the pipe cutting machine.
The working process is as follows:
firstly, the water flow component 9 is started, then the smoking fan 4 and the smoke guide fan 23 are started, the opening degree of the pressure regulating valve 25 is regulated, the absorption liquid enters from the water inlet through groove 10, then the water inlet through groove 10 is filled, the water outlet through groove 12 is filled along the conveying through groove, then the water is sprayed out by the spray head 13, finally the pipe cutting is carried out, in the pipe cutting process, the smoke suction fan 4 sucks the smoke into the smoke suction pipe 3 through the smoke suction cover 2, then the smoke suction pipe 3 conveys the smoke into the smoke removing cylinder 6 through the smoke conveying pipe 5, the absorption liquid sprayed out by the spray head 13 and the smoke move in opposite directions, then contact each other, harmful substance in the absorption liquid absorbs the smoke and dust, then dissolve the absorption liquid that has harmful substance and enter into recovery water tank 15 along recovery tube 14 in, the smoke and dust of handling is discharged by smoke and dust exit tube 8, reaches to absorb the smoke and dust and purifies, reduces the pollution to operational environment.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a rivers system for pipe cutting machine smoke abatement which characterized in that: the smoke and dust removing device comprises a pipe cutting mechanism (1), a smoke absorbing hood (2) arranged above the pipe cutting mechanism (1), a smoke absorbing pipe (3) arranged on the pipe cutting mechanism (1) and connected with the smoke absorbing hood (2), a smoke absorbing fan (4) arranged at the smoke outlet end of the smoke absorbing pipe (3), a smoke conveying pipe (5) arranged at the smoke outlet end of the smoke absorbing fan (4), a smoke removing cylinder (6) arranged on the pipe cutting mechanism (1), a smoke and dust inlet pipe (7) arranged on the middle lower portion of the smoke removing cylinder (6) and connected with the smoke conveying pipe (5), a smoke and dust outlet pipe (8) arranged at the top end of the smoke removing cylinder (6) and a water flow component (9) arranged in the smoke removing cylinder (6) and used for absorbing smoke and dust.
2. The water flow system for pipe cutter smoke abatement of claim 1, wherein: the water flow component (9) comprises a water inlet through groove (10) which is arranged in the wall of the bottom end of the smoke removing cylinder (6) and extends along the horizontal direction, a water delivery through groove (11) which is arranged in the wall of the smoke removing cylinder (6) and is communicated with the water outlet end of the water inlet through groove (10) and extends upwards along the vertical direction, a water outlet through groove (12) which is arranged in the wall of the top end of the smoke removing cylinder (6) and is communicated with the water outlet end of the water delivery through groove (11) and extends along the horizontal direction, a spray head (13) which is arranged at the water outlet end of the water outlet through groove (12) and sprays water to the smoke removing cylinder (6), and a recovery pipe (14) which is arranged at the bottom end of the smoke removing cylinder (6) and a.
3. The water flow system for pipe cutter smoke abatement of claim 2, wherein: the novel smoke removing device is characterized in that a first connecting ring plate (16) is arranged at the top end of the tube wall of the smoke removing tube (6) along the circumferential direction, a first connecting plate (18) which takes the axis of the smoke removing tube (6) as a symmetrical shaft is arranged on the end wall of the first connecting ring plate (16) along the horizontal direction relatively, a second connecting plate (17) is arranged at the bottom end of the tube wall of the smoke removing tube (6) along the circumferential direction relatively, a second connecting plate (19) which takes the axis of the smoke removing tube (6) as a symmetrical shaft is arranged on the end wall of the second connecting ring plate (17) along the horizontal direction relatively, and the first connecting plate (18) and the second connecting plate (19) are connected with the tube.
4. The water flow system for pipe cutter smoke abatement of claim 3, wherein: the bottom of the smoke removing tube (6) is provided with a transition bucket (20), and the narrow water outlet end of the transition bucket (20) is connected with a recovery pipe (14).
5. The water flow system for pipe cutter smoke abatement of claim 4, wherein: and the connecting corners of the water inlet through groove (10), the water delivery through groove (11) and the water outlet through groove (12) are provided with strength reinforcing layers (21).
6. The water flow system for pipe cutter smoke abatement of claim 5, wherein: the smoke outlet end of the smoke outlet pipe (8) is provided with a smoke guide pipe (22), and the smoke outlet end of the smoke guide pipe (22) is provided with a smoke guide fan (23).
7. The water flow system for pipe cutter smoke abatement of claim 6, wherein: the smoke outlet end of the smoke dust inlet pipe (7) is lower than the smoke inlet end of the smoke dust inlet pipe (7) in the vertical direction.
8. The water flow system for pipe cutter smoke abatement of claim 7, wherein: the water inlet end of the water inlet through groove (10) is provided with a water inlet pipe (24), and the water inlet pipe (24) is provided with a pressure regulating valve (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920570617.5U CN210024618U (en) | 2019-04-24 | 2019-04-24 | Water flow system for smoke removal of pipe cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920570617.5U CN210024618U (en) | 2019-04-24 | 2019-04-24 | Water flow system for smoke removal of pipe cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210024618U true CN210024618U (en) | 2020-02-07 |
Family
ID=69361468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920570617.5U Active CN210024618U (en) | 2019-04-24 | 2019-04-24 | Water flow system for smoke removal of pipe cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210024618U (en) |
-
2019
- 2019-04-24 CN CN201920570617.5U patent/CN210024618U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1084826C (en) | Reverse cleaning regeneration type exhaust emission control device and method of regenerating the same | |
| CN111672308A (en) | High-temperature flue gas desulfurization and denitrification treatment process | |
| CN111701431B (en) | Ship exhaust gas desulfurization assembly | |
| CN103032094B (en) | Energy-saving self-circulation dust removal device for the pulp shooting machine | |
| CN103016108A (en) | Water-washing purifier for tail gas of diesel engine | |
| CN210024618U (en) | Water flow system for smoke removal of pipe cutting machine | |
| CN219647060U (en) | Flue gas purifying tower | |
| CN210842858U (en) | Energy-saving and efficient dust collector | |
| CN208852633U (en) | A kind of exhaust-gas treatment recyclable device | |
| CN108654294A (en) | A kind of exhaust-gas treatment retracting device | |
| CN209348398U (en) | A kind of absorption denitrogenation flue gas purification device with anti-dust effect | |
| CN211436742U (en) | Environment-friendly coating machine | |
| CN203009013U (en) | Tail gas washing and purification device for diesel engine | |
| CN105642050A (en) | Cushioning strong-convection workshop dust removal device | |
| CN207144869U (en) | Gas drilling landwaste water bath dust collector | |
| CN209188479U (en) | A kind of novel fume cleaning device | |
| CN219492239U (en) | Vertical shaft type drilling machine | |
| CN211990961U (en) | Novel dust removal cleaning device of lathe | |
| CN213314006U (en) | Water curtain air draft purifying equipment for spraying sole mold | |
| CN217568042U (en) | Exhaust gas treatment device | |
| CN217015939U (en) | High-speed air-swirl tower that thoughtlessly moves | |
| CN211936212U (en) | Water mist filtering structure applied to stainless steel cyclone tower waste gas treatment equipment | |
| CN219964369U (en) | Spray type flue gas dust removal and purification device | |
| CN216909707U (en) | Ventilation device for preventing coal mine gas from exceeding limit | |
| CN213527967U (en) | Air purification device for cement laminated slab processing workshop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |