CN215698752U - Energy storage type stud welding machine equipment shell adopting three-phase transformer for charging - Google Patents
Energy storage type stud welding machine equipment shell adopting three-phase transformer for charging Download PDFInfo
- Publication number
- CN215698752U CN215698752U CN202122204680.7U CN202122204680U CN215698752U CN 215698752 U CN215698752 U CN 215698752U CN 202122204680 U CN202122204680 U CN 202122204680U CN 215698752 U CN215698752 U CN 215698752U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- fixedly connected
- threaded rod
- welding machine
- energy storage
- 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
Abstract
The application discloses an energy storage type stud welding machine equipment shell charged by a three-phase transformer, which comprises a shell, a dismounting mechanism and a heat dissipation mechanism; the dismouting mechanism includes the top cap, the top cap overlap joint is at the casing top, the top cap internal fixation is equipped with two fixed cavities, the fixed cavity internal rotation is connected with second threaded rod one end, the second threaded rod other end runs through fixed cavity and extends to the outside. This application rotates through the second threaded rod and drives the motion of second movable sleeve, the motion of second movable sleeve drives the push pedal motion extremely with the movable block motion, and promote the movable block motion, the telescopic link shrink, the spring compression, the movable block motion drives L type rotor plate and rotates to contact with the casing inside wall, thereby fix the top cap on the casing, drive push pedal and movable block separation through the reversal second threaded rod when needs are dismantled the casing, spring force effect drives L type rotor plate and casing separation, thereby dismantle the casing.
Description
Technical Field
The application relates to the field of welding machine equipment, in particular to an energy storage type stud welding machine equipment shell adopting a three-phase transformer for charging.
Background
The energy-accumulating stud welder consists of welding power source, rectifier, energy-accumulating capacitor, controller, welding gun, ground wire pliers, welding cable and other parts. The welding machine obtains voltage by controlling capacitor charging, the discharge time of the thyristor discharging to complete welding is 1-3 milliseconds, the welding machine has the characteristics of short time, small thermal deformation and wide application in the industries of shipbuilding, automobiles, electric control cabinets, cabinets and the like, and is very suitable for stud welding of thin plates.
The protective effect of current energy storage formula stud welding machine equipment shell is relatively poor, and at the welding machine during operation, the unable quick removal of heat that produces influences the use of welding machine, and when the welding machine damaged the needs maintenance, the shell was not convenient for dismantle, and efficiency is lower. Therefore, the energy storage type stud welding machine equipment shell adopting the three-phase transformer for charging is provided for solving the problems.
Disclosure of Invention
The energy storage type stud welding machine equipment shell adopting the three-phase transformer for charging is provided in the embodiment and used for solving the problem that the damaged welding machine is not convenient to disassemble the shell in the prior art for maintenance.
According to one aspect of the application, an energy storage type stud welding machine equipment shell adopting a three-phase transformer for charging is provided, and comprises a shell, a dismounting mechanism and a heat dissipation mechanism;
the dismouting mechanism includes the top cap, the top cap overlap joint is at the casing top, the top cap internal fixation is equipped with two fixed cavitys, the fixed cavity internal rotation is connected with second threaded rod one end, the second threaded rod other end runs through fixed cavity and extends to the outside, the second mobile sleeve has been cup jointed to the screw thread on the second threaded rod, fixedly connected with push pedal on the second mobile sleeve, fixedly connected with telescopic link on the fixed cavity, telescopic link other end fixed connection is on the movable block, fixedly connected with L type rotor plate on the movable block, the fixed cover of L type rotor plate department of buckling has cup jointed the pole, cup joint the fixed cover of pole and connect in the top cap, L type rotor plate bottom runs through the top cap and extends to the below.
Further, the second movable sleeve is fixedly connected with a sliding block, the sliding block is connected to a fixed sliding groove in a sliding mode, and the fixed sliding groove is fixedly arranged at the top of the fixed cavity.
Furthermore, a spring is sleeved on the telescopic rod, and two ends of the spring are respectively and fixedly connected to the moving block and the fixed cavity.
Further, heat dissipation mechanism includes the heat dissipation case, heat dissipation roof portion fixedly connected with rotating electrical machines, rotating electrical machines output end fixedly connected with first threaded rod, the first threaded rod other end runs through the heat dissipation roof and extends to the heat dissipation incasement, the first threaded rod other end rotates and connects on the heat dissipation bottom of the case wall, first removal sleeve has been cup jointed to the screw thread on the first threaded rod, fixedly connected with heat dissipation fan on the first removal sleeve.
Furthermore, a guide rod is sleeved on the first movable sleeve in a sliding mode, and two ends of the guide rod are fixedly connected to the upper side wall and the lower side wall of the heat dissipation box respectively.
Further, a brush plate is fixedly connected to the first movable sleeve, the brush plate is connected to the side wall of the heat dissipation box in an overlapping mode, and a plurality of heat dissipation holes are fixedly formed in the side wall of the heat dissipation box.
Further, the bottom end of the bottom of the shell is fixedly connected with a movable wheel.
Through the above-mentioned embodiment of this application, adopted dismouting mechanism, solved the problem that the welding machine of being not convenient for dismantle the shell and damage is maintained, improved the availability factor of welding machine.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic overall perspective view of an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;
fig. 3 is a schematic diagram of a partial enlarged structure at a in fig. 2 according to an embodiment of the present application.
In the figure: 1. the casing, 2, the top cap, 3, the rotating electrical machines, 4, first threaded rod, 5, the brush board, 6, first removal sleeve, 7, the guide bar, 8, the heat dissipation case, 9, remove the wheel, 10, the louvre, 11, the heat dissipation fan, 12, the push pedal, 13, fixed cavity, 14, the second threaded rod, 15, the second removes the sleeve, 16, the slider, 17, fixed spout, 18, the movable block, 19, the telescopic link, 20, the spring, 21, cup joint the pole, 22, L type rotor plate.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The device housing in this embodiment may be applicable to various welding machines, for example, the following novel energy storage type stud welding machine is provided in this embodiment, and the device housing in this embodiment may be used for the following novel energy storage type stud welding machine.
The novel energy storage type stud welding machine comprises a welding machine shell, wiring terminals, an operation panel and a display screen, wherein the welding machine shell is installed outside an inner base, the front surface of the bottom of the welding machine shell is provided with a plurality of wiring terminals, the operation panel is arranged above the wiring terminals, the display screen is arranged above the operation panel and displays voltage value change, a carrying handle is arranged at the top of the welding machine shell and is used as an acting point during carrying, a power switch is arranged on the side surface of the inner base and is connected to a main transformer in the center of the inner base, a capacitor is arranged on the inner base, a power switch silicon controlled rectifier is arranged on the side surface of the capacitor and is rectified together, a resistor is arranged on the side surface of the power switch silicon controlled rectifier, the current of a control circuit is controlled, a supporting beam is arranged above the capacitor and is used for supporting equipment above the capacitor, a beam reinforcing plate is arranged on the lower surface of the supporting beam and is used for assisting in supporting the action of the supporting beam, and a numerical control mainboard is arranged on the supporting beam and used for controlling the work of the circuit.
An external cable is connected to the wiring terminal, a switch is turned on the control panel, required electrical parameters are adjusted, current enters the capacitor through the power switch, the capacitor obtains voltage under the control of the numerical control main board and then enters the main transformer for voltage control, and the current flows into an external welding gun for working after respectively flowing through the power switch silicon controlled rectifier and the resistor; in order to further improve the welding efficiency, a thin-plate-shaped welding machine shell is fixed on the outer side surface of an internal base through surrounding screws, a wiring terminal is designed into a hollow stud form and is arranged on the front surface of the bottom of the welding machine shell, a switch button, an adjusting knob and the like are arranged on an operation panel, a display screen is arranged above the operation panel, a carrying handle is fixed on the top of the welding machine shell through screws, a power switch is arranged on the side surface of the internal base through an electronic base and is connected to an external wiring terminal, a main transformer is connected with the power switch through a high-voltage wire, a plurality of capacitors which are connected in series are fixed on the internal base through a bolt base and are connected with the main transformer through a wire, a power switch thyristor and a resistor are connected in series with the capacitors, meanwhile, a numerical control main board is connected through a signal wire, a supporting beam is welded on the inner side surface of the internal base, and a beam reinforcing plate is fixed on the bottom of the internal base through bolts, and the numerical control main board is fixed on the supporting beam by screws and then is connected with other components through data lines.
Of course, the present embodiment can be used for welding machines with other structures. Here, description is not repeated, and the device housing according to the embodiment of the present application is described below.
Referring to fig. 1-3, an apparatus casing of an energy storage type stud welding machine charged by a three-phase transformer includes a casing 1, a mounting and dismounting mechanism and a heat dissipation mechanism;
the disassembly and assembly mechanism comprises a top cover 2, the top cover 2 is lapped on the top of a shell 1, two fixed cavities 13 are fixedly arranged in the top cover 2, one end of a second threaded rod 14 is connected in the fixed cavities 13 in a rotating mode, the other end of the second threaded rod 14 penetrates through the fixed cavities 13 and extends to the outside, a second movable sleeve 15 is sleeved on the second threaded rod 14 in a threaded mode, a push plate 12 is fixedly connected onto the second movable sleeve 15, an expansion rod 19 is fixedly connected onto the fixed cavities 13, the other end of the expansion rod 19 is fixedly connected onto a movable block 18, an L-shaped rotating plate 22 is fixedly connected onto the movable block 18, a sleeve rod 21 is fixedly sleeved at the bending position of the L-shaped rotating plate 22, the sleeve rod 21 is fixedly sleeved in the top cover 2, the bottom end of the L-shaped rotating plate 22 penetrates through the top cover 2 and extends to the lower side, and rotates to be in contact with or separate from the inner wall of the shell 1 through the L-shaped rotating plate, thereby fixing and detaching the housing 1.
The second movable sleeve 15 is fixedly connected with a sliding block 16, the sliding block 16 is connected to a fixed sliding groove 17 in a sliding mode, and the fixed sliding groove 17 is fixedly arranged at the top of the fixed cavity 13, so that the moving direction of the second movable sleeve 15 can be fixed conveniently; a spring 20 is sleeved on the telescopic rod 19, and two ends of the spring 20 are respectively and fixedly connected to the moving block 18 and the fixed cavity 13, so that the moving block 18 is pushed to move by the elasticity of the spring 20; the heat dissipation mechanism comprises a heat dissipation box 8, a rotating motor 3 is fixedly connected to the top of the heat dissipation box 8, a first threaded rod 4 is fixedly connected to the output end of the rotating motor 3, the other end of the first threaded rod 4 penetrates through the top wall of the heat dissipation box 8 and extends into the heat dissipation box 8, the other end of the first threaded rod 4 is rotatably connected to the bottom wall of the heat dissipation box 8, a first moving sleeve 6 is sleeved on the first threaded rod 4 in a threaded mode, and a heat dissipation fan 11 is fixedly connected to the first moving sleeve 6, so that heat dissipation can be conveniently conducted inside the shell 1; the first movable sleeve 6 is sleeved with a guide rod 7 in a sliding mode, and two ends of the guide rod 7 are fixedly connected to the upper side wall and the lower side wall of the heat dissipation box 8 respectively, so that the movement direction of the first movable sleeve 6 can be fixed conveniently; the first movable sleeve 6 is fixedly connected with a brush plate 5, the brush plate 5 is lapped on the side wall of the heat dissipation box 8, and the side wall of the heat dissipation box 8 is fixedly provided with a plurality of heat dissipation holes 10, so that dust on the heat dissipation holes 10 can be conveniently cleaned; the bottom end of the bottom of the shell 1 is fixedly connected with a moving wheel 9, so that the butt welding machine can be moved conveniently.
When the welding machine is used, electrical components appearing in the application are externally connected with a power supply and a control switch, when the welding machine works, heat in the shell 1 is radiated through the matching between the work of the heat radiation fan 11 and the heat radiation holes 10, simultaneously, the work of the rotating motor 3 drives the first threaded rod 4 to rotate, the first threaded rod 4 rotates to drive the first moving sleeve 6 sleeved by the threads to move, the first moving sleeve 6 moves to drive the heat radiation fan 11 to move, so that the heat radiation area is increased, meanwhile, the first moving sleeve 6 moves to drive the brush plate 5 to move, dust on the heat radiation holes 10 is cleaned, the heat radiation holes 10 are prevented from being blocked to influence the heat radiation effect, by rotating the second threaded rod 14, the second moving sleeve 15 is driven to move through the rotation of the second threaded rod 14, the slide block 16 on the second moving sleeve 15 slides on the fixed chute 17, so that the movement direction of the second moving sleeve 15 is fixed, the second movable sleeve 15 moves to drive the push plate 12 to move to the movable block 18, the movable block 18 is pushed to move, the telescopic rod 19 contracts, the spring 20 compresses, the movable block 18 moves to drive the L-shaped rotating plate 22 to rotate to be in contact with the inner side wall of the shell 1, the top cover 2 is fixed on the shell 1, the push plate 12 is driven to be separated from the movable block 18 through the reverse second threaded rod 14 when the shell 1 needs to be disassembled, the L-shaped rotating plate 22 is driven to be separated from the shell 1 under the elastic action of the spring 20, and the shell 1 is disassembled.
The application has the advantages that:
1. the second threaded rod rotates to drive the second movable sleeve to move, the second movable sleeve moves to drive the push plate to move to the movable block and pushes the movable block to move, the telescopic rod contracts and the spring compresses, the movable block moves to drive the L-shaped rotating plate to rotate to be in contact with the inner side wall of the shell, so that the top cover is fixed on the shell, the push plate is driven to be separated from the movable block by reversing the second threaded rod when the shell needs to be disassembled, and the L-shaped rotating plate is driven to be separated from the shell under the action of the spring elasticity, so that the shell is disassembled;
2. this application is rational in infrastructure, through the cooperation between work of heat dissipation fan and the louvre, carry out the heat dissipation to the inside heat of casing and handle, rotating electrical machines work drives first threaded rod and rotates simultaneously, first threaded rod rotates the first movable sleeve motion that drives the screw and cup joint, first movable sleeve motion drives the motion of heat dissipation fan, be convenient for increase heat radiating area, first movable sleeve motion drives the brush board motion simultaneously, clean the dust on the louvre, prevent that the louvre from blockking up the influence radiating effect.
The rotating electrical machine 3 is a brushed direct current motor with model number BY25A-370 and its associated power supply and circuitry.
The heat dissipation fan 11 is a heat dissipation fan with model LD7025 and its associated power supply and circuit.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. The utility model provides an energy storage formula stud welding machine equipment shell that adopts three-phase transformer to charge which characterized in that: comprises a shell (1), a dismounting mechanism and a heat dissipation mechanism;
the disassembly and assembly mechanism comprises a top cover (2), the top cover (2) is lapped at the top of the shell (1), two fixed cavities (13) are fixedly arranged in the top cover (2), a second threaded rod (14) is connected with one end of the fixed cavity (13) in a rotating manner, the other end of the second threaded rod (14) penetrates through the fixed cavity (13) and extends to the outside, a second movable sleeve (15) is sleeved on the second threaded rod (14) in a threaded manner, a push plate (12) is fixedly connected on the second movable sleeve (15), a telescopic rod (19) is fixedly connected on the fixed cavity (13), the other end of the telescopic rod (19) is fixedly connected on a movable block (18), an L-shaped rotating plate (22) is fixedly connected on the movable block (18), a sleeve rod (21) is fixedly sleeved at the bending position of the L-shaped rotating plate (22), the sleeve rod (21) is fixedly sleeved in the top cover (2), the bottom end of the L-shaped rotating plate (22) penetrates through the top cover (2) and extends to the lower part.
2. The energy storage type stud welding machine equipment shell charged by the three-phase transformer as claimed in claim 1, wherein: the second movable sleeve (15) is fixedly connected with a sliding block (16), the sliding block (16) is connected to a fixed sliding groove (17) in a sliding mode, and the fixed sliding groove (17) is fixedly arranged at the top of the fixed cavity (13).
3. The energy storage type stud welding machine equipment shell charged by the three-phase transformer as claimed in claim 1, wherein: the telescopic rod (19) is sleeved with a spring (20), and two ends of the spring (20) are respectively and fixedly connected to the moving block (18) and the fixed cavity (13).
4. The energy storage type stud welding machine equipment shell charged by the three-phase transformer as claimed in claim 1, wherein: the heat dissipation mechanism comprises a heat dissipation box (8), a top fixedly connected with rotating motor (3) of the heat dissipation box (8), a first threaded rod (4) is fixedly connected with an output end of the rotating motor (3), the other end of the first threaded rod (4) penetrates through a top wall of the heat dissipation box (8) and extends into the heat dissipation box (8), the other end of the first threaded rod (4) is rotatably connected to a bottom wall of the heat dissipation box (8), a first movable sleeve (6) is sleeved on an upper thread of the first threaded rod (4), and a heat dissipation fan (11) is fixedly connected to the first movable sleeve (6).
5. The energy storage type stud welding machine equipment shell charged by the three-phase transformer as claimed in claim 4, wherein: the first movable sleeve (6) is sleeved with a guide rod (7) in a sliding mode, and two ends of the guide rod (7) are fixedly connected to the upper side wall and the lower side wall of the heat dissipation box (8) respectively.
6. The energy storage type stud welding machine equipment shell charged by the three-phase transformer as claimed in claim 4, wherein: fixedly connected with brush board (5) on first movable sleeve (6), brush board (5) overlap joint is on heat dissipation case (8) lateral wall, be equipped with a plurality of louvres (10) on heat dissipation case (8) lateral wall is fixed.
7. The energy storage type stud welding machine equipment shell charged by the three-phase transformer as claimed in claim 1, wherein: the bottom end of the bottom of the shell (1) is fixedly connected with a movable wheel (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122204680.7U CN215698752U (en) | 2021-09-13 | 2021-09-13 | Energy storage type stud welding machine equipment shell adopting three-phase transformer for charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122204680.7U CN215698752U (en) | 2021-09-13 | 2021-09-13 | Energy storage type stud welding machine equipment shell adopting three-phase transformer for charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215698752U true CN215698752U (en) | 2022-02-01 |
Family
ID=80018901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122204680.7U Active CN215698752U (en) | 2021-09-13 | 2021-09-13 | Energy storage type stud welding machine equipment shell adopting three-phase transformer for charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215698752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114392984A (en) * | 2022-03-08 | 2022-04-26 | 安徽龙太电气科技有限公司 | Protection equipment applied to gas shielded welding machine |
-
2021
- 2021-09-13 CN CN202122204680.7U patent/CN215698752U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114392984A (en) * | 2022-03-08 | 2022-04-26 | 安徽龙太电气科技有限公司 | Protection equipment applied to gas shielded welding machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215698752U (en) | Energy storage type stud welding machine equipment shell adopting three-phase transformer for charging | |
| CN206661755U (en) | A kind of electronic components processing surface dust cleaning apparatus | |
| CN108748073A (en) | Substation equipment live-line maintenance operation robot | |
| CN108714883A (en) | A kind of substation's hotline maintenance AUTONOMOUS TASK robot platform | |
| CN109129622A (en) | A kind of installing engineering pvc pipe cutting equipment | |
| CN109304657A (en) | A kind of automobile storage battery surfaces externally and internally smoothness processing mechanism and its operating procedure | |
| JP5522207B2 (en) | Spot welding system and control device for spot welding robot | |
| WO2020103816A1 (en) | Charging assembly and electronic device system | |
| CN108768271A (en) | A kind of photovoltaic power generation apparatus having regulatory function | |
| CN109773852B (en) | Electronic communication cable cutting device | |
| CN209169401U (en) | A kind of portable short-circuit grounding wire conducting wire end terminal | |
| CN208285262U (en) | The photovoltaic power generation apparatus for having regulatory function | |
| CN208723121U (en) | Impulse voltage generator earthing or grounding means | |
| CN218678097U (en) | Remove special power distribution box of portable electric power | |
| CN216253610U (en) | Switch board convenient to wiring winding displacement | |
| CN111896911A (en) | Electric energy meter electrified bright screen reading filing device after being disassembled | |
| CN205583961U (en) | Assembling machine | |
| CN204668182U (en) | A kind of contactor and fuse combined electric apparatus framework | |
| CN213630863U (en) | Better central air conditioning switch board of radiating effect | |
| CN216138891U (en) | Toolbox for auto repair | |
| CN214078976U (en) | Bending device for leading-out electrode of high-power semiconductor module | |
| CN217848780U (en) | Armored fixed high-voltage cabinet with function of lower isolation belt grounding switch | |
| CN215879414U (en) | Bridge frame assembly forming and processing device | |
| CN220240417U (en) | Bus bar stitch welding testing machine | |
| CN103386578A (en) | Rotary shaft structure convenient for electrifying |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |