CN213222804U - Spiral wave plasma gun head - Google Patents
Spiral wave plasma gun head Download PDFInfo
- Publication number
- CN213222804U CN213222804U CN202020659335.5U CN202020659335U CN213222804U CN 213222804 U CN213222804 U CN 213222804U CN 202020659335 U CN202020659335 U CN 202020659335U CN 213222804 U CN213222804 U CN 213222804U
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- shell
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- clamp splice
- reposition
- chamber
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- 239000000843 powder Substances 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000007921 spray Substances 0.000 claims abstract description 17
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 10
- 229910001080 W alloy Inorganic materials 0.000 claims description 4
- 210000003437 trachea Anatomy 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 abstract description 12
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 8
- 230000004907 flux Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000003574 free electron Substances 0.000 description 2
- 238000010884 ion-beam technique Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
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- Plasma Technology (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The utility model discloses a helicon wave plasma rifle head, including the spray gun main part, the main part includes the shell, presss from both sides chamber, inner chamber, helicon wave discharge system, water cooling system and goes out the powder system, and the shell is equipped with spout, shell main part and spray gun top cap, and the shell passes through the spout with inner chamber wall to be connected, is equipped with between inner chamber wall and shell inner wall and presss from both sides the chamber, presss from both sides the intracavity and is equipped with water cooling system and helicon wave discharge device. The utility model has the advantages that: the plasma accelerating coil formed by the Helmholtz coil is arranged on the outer ring of the helical wave antenna, and the dynamic magnetic field coil is arranged on the nozzle part, so that the helical wave antenna generates high-temperature plasma, a large axial space is saved for axially feeding powder, the powder is fed into plasma flame flow from the inside of the nozzle, the boundary effect is overcome, the temperature and the speed distribution of particles along the spraying section are more uniform, the quality of a coating is greatly reduced, and the coating is not easy to block during spraying.
Description
Technical Field
The utility model relates to a spraying technical field specifically is a helicon wave plasma rifle head.
Background
The traditional spraying gun head adopts an outer powder feeding mode, the structure is unreasonable, the electrode occupies a large part of space of the cavity, so that axial powder feeding is easy to block, and radial powder feeding causes uneven temperature and speed distribution of particles along a spraying section, so that the quality of a coating is affected. Secondly, the gun head structure also enables the loss of the electrode material inside to be extremely large in the using process, the service life is greatly shortened, the plasma arc of the existing gun head is unstable, and the spraying effect is poor.
Therefore, the existing design discloses a spiral wave plasma gun head, and its aim at solves above-mentioned problem, makes the coating even after the spraying of rifle head, and radial powder feeding effect is better, prolongs the life of spraying rifle head, finally makes product quality promote.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a helicon plasma torch head for solving the above problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a spiral wave plasma rifle head, includes the spray gun main part, the main part includes at the bottom of shell, double-layered chamber, inner chamber, the rifle, spiral wave discharge system, water cooling system and go out the powder system, the shell is equipped with spout, shell main part and spray gun top cap, the shell with inner chamber wall passes through the spout is connected, inner chamber wall with be equipped with between the shell inner wall and press from both sides the chamber, press from both sides intracavity water cooling system and spiral wave discharge device, inner chamber wall is equipped with out the powder clamp splice, the clamp splice is close to tungsten alloy is connected to spout one side and is strengthened the wall, tungsten alloy strengthens wall one end and connects fixture block, one end is connected the spout.
Furthermore, the water cooling system includes reposition of redundant personnel shell, reposition of redundant personnel inner shell, water ring and play water ring, the reposition of redundant personnel shell with reposition of redundant personnel inner shell interval department is equipped with water ring, the reposition of redundant personnel inner shell with the relative department in the inner chamber outside does.
Further, reposition of redundant personnel inner shell one end is equipped with the spacing shell of electromagnetism, the spacing shell of electromagnetism is equipped with front end plate, back end plate connecting plate and shower nozzle magnetosphere winding board, back end plate middle part connect perpendicularly in reposition of redundant personnel inner shell one end, back end bottom connects perpendicularly the connecting plate, the front end plate with parallel and the bottom of back end plate is connected perpendicularly the connecting plate, connecting plate outside winding helical antenna, the helical antenna outside is twined solenoid, the laminating of front end plate one side the solenoid opposite side is connected shower nozzle magnetosphere winding board.
Furthermore, go out the powder system and include go out the powder clamp splice and send the powder pipe, the clamp splice with send the powder pipe cross-section the same, send the powder pipe to divide into powder pipe, trachea, the powder pipe is located in the trachea, the clamp splice divide into clamp splice inner ring and clamp splice outer loop, the powder pipe with the clamp splice passes through threaded connection, inner ring one side is equipped with the counter bore, the counter bore outside is equipped with the screw thread, screw thread portion with the counter bore connects soon, be equipped with the spiral gas nozzle that the inclination radian is the same in the clamp splice outer loop.
Furthermore, the nozzle magnetic ring winding plate is divided into a conical surface and a limiting plate, the bottom of the conical surface is connected with one side of the front end plate, the other side of the conical surface is connected with the limiting plate, and the nozzle electromagnetic coil is wound on the outer side of the nozzle magnetic ring winding plate.
Furthermore, the gun bottom is arranged at the bottom of the spray gun main body, a pair of water inlet holes and a pair of water outlet holes are formed in the gun bottom, the water inlet holes are communicated with the water inlet rings, the water outlet holes are communicated with the water outlet rings, water cables are arranged in the water inlet holes and the water outlet holes, and the spiral wave discharge system is connected with the water cables.
Furthermore, waterproof paint is coated outside the spiral antenna, the electromagnetic coil and the nozzle electromagnetic coil.
Furthermore, the spray head electromagnetic coils are stator three-phase windings, and each spray head electromagnetic coil is provided with two groups.
The utility model has the advantages that: the invention is mainly composed of a radio frequency power supply, a matching network, a helical wave antenna, a water cooling system, a magnetic circuit system, a nozzle and a working medium supply system, wherein the helical wave antenna and the magnetic circuit system generate plasma in a cavity after being electrified, the plasma has higher temperature and stability, a plasma accelerating coil formed by a Helmholtz coil is used, and a dynamic magnetic field coil is arranged at the outer ring of the helical wave antenna and a nozzle part, so that the helical wave antenna generates high-temperature plasma, thereby saving a large axial space for axially feeding powder, feeding the powder into plasma flame flow from the inside of the nozzle, well overcoming the boundary effect, leading the temperature and the speed distribution of particles along the spraying section to be more uniform, greatly reducing the quality of a coating, being difficult to generate the coating blocking phenomenon during spraying, leading working gas to rotate in the cavity under the influence of the helical gas nozzle in the cavity, the generated plasma has higher speed and density, the stability of the plasma arc is greatly improved, and the multiple groups of dynamic magnetic field coils accelerate and restrict the plasma, so that the length, the luminous intensity and the heat flux density of the sprayed spiral plasma beam are correspondingly improved.
Drawings
Figure 1 is a cross-sectional view of a lance head of the present invention;
fig. 2 is a schematic structural view of the electromagnetic limiting shell of the present invention;
FIG. 3 is a schematic view of the structure of the powder feeding tube of the present invention;
FIG. 4 is a schematic view of a solenoid configuration of the showerhead;
fig. 5 is a top view of the gun of the present invention.
The labels in the figure are: 1-main body, 2-outer shell, 3-clamping cavity, 4-inner cavity, 5-gun bottom, 6-helical wave discharging device, 7-water cooling system, 8-powder discharging system, 9-nozzle, 10-electromagnetic limit shell, 51-water inlet, 52-water outlet, 53-through hole, 61-helical antenna, 62-electromagnetic coil, 63-nozzle electromagnetic coil, 71-a shunting outer shell, 72-a shunting inner shell, 73-a water inlet ring, 74-a water outlet ring, 81-a powder outlet clamping block, 82-a powder feeding pipe, 821-a powder pipe, 822-an air pipe, 811-a clamping block inner ring, 812-a clamping block outer ring, 813-a threaded part, 8211-a counter bore, 101-a front end plate, 102-a rear end plate, 103-a connecting plate and 104-a nozzle magnetic ring winding plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
A helicon wave plasma gun head that combines that fig. 1-5 show, including spray gun main part 1, main part 1 includes shell 2, press from both sides chamber 3, inner chamber 4, the rifle bottom 5, helicon wave discharge device 6, water cooling system 7 and play powder system 8, shell 2 is the column metal casing, shell 2 is connected through spout 9 with 4 chamber walls of inner chamber, be equipped with between 4 chamber walls of inner chamber and the 2 inner walls of shell and press from both sides chamber 3, be equipped with water cooling system 7 and helicon wave discharge device 6 in pressing from both sides the chamber 3, 4 chamber walls of inner chamber connect out powder clamp splice 81, clamp splice 81 is close to spout 9 one side and connects tungsten alloy and strengthens wall 91.
The water cooling system 7 comprises a flow dividing outer shell 71, a flow dividing inner shell 72, a water inlet ring 73 and a water outlet ring 74, the water inlet ring 73 is arranged at the interval between the flow dividing outer shell 71 and the flow dividing inner shell 72, and the water outlet ring 74 is arranged at the position of the flow dividing inner shell 72 opposite to the outer side of the inner cavity 4.
Reposition of redundant personnel inner shell 72 one end is equipped with spacing shell 10 of electromagnetism, spacing shell 10 of electromagnetism is equipped with front end plate 101, back end plate 102, connecting plate 103 and shower nozzle magnetosphere winding board 104, back end plate 102 middle part is connected perpendicularly in reposition of redundant personnel inner shell 72 one end, the perpendicular connecting plate 103 of back end bottom, front end plate 101 is parallel with back end plate 102 and the perpendicular connecting plate 103 in bottom, connecting plate 103 outside winding helical antenna 61, the helical antenna 61 outside is twined and is had solenoid 62, shower nozzle magnetosphere winding board 104 is connected to front end plate 101 one side laminating solenoid 62 opposite side.
The powder discharging system 8 comprises a powder discharging clamping block 81 and a powder feeding pipe 82, the clamping block 81 and the powder feeding pipe 82 are identical in cross section, the powder feeding pipe 82 is divided into a powder pipe 821 and a gas pipe 822, the powder pipe 821 is arranged in the gas pipe 822, the powder discharging clamping block 81 is provided with a clamping block inner ring 811 and a clamping block outer ring 812, the powder pipe 821 and the clamping block 81 are connected through a thread portion 813, one end of the powder pipe 821 is provided with a counter bore 8211, the surface of the counter bore 821 is provided with threads, the thread portion 813 is screwed with the counter bore 8211, and spiral gas nozzles with the same inclination radian are arranged in the clamping block outer ring.
The bottom of the spray gun main body 1 is located to the rifle 5, and the rifle 5 is equipped with a pair of inlet opening 51 and a pair of apopore 52 at the bottom of the rifle, and inlet opening 51 communicates water ring 73, and apopore 52 communicates water ring 74, all is equipped with the water cable in inlet opening 51 and the apopore 52, and the water cable is connected to the spiral ripples discharging device 6, and inlet opening 51, apopore 52 should be equipped with two sets at least, two holes of every group.
Waterproof paint is coated outside the spiral antenna 61, the electromagnetic coil 62 and the nozzle electromagnetic coil 63.
The showerhead electromagnetic coils 63 are stator three (or more) phase windings and each has at least three sets.
The electromagnetic coil of the spray head is a dynamic magnetic field coil, and when the plasma arc tip rotates, the rotating frequency is accelerated along with the enhancement of the magnetic field. The rotation of the arc tip is particularly beneficial to mixing chemical components in plasma, so that the components of the film prepared by a chemical vapor deposition method are uniform, and the length, the luminous intensity and the heat flux density of the sprayed plasma beam are correspondingly improved in the presence of a dynamic magnetic field.
The black rectangular square in the figure is a schematic mark of a sealing gasket, dust and working gas in a powder conveying pipe are blown into an inner cavity of a gun head during actual work, argon or nitrogen with certain pressure and flow is introduced after ionization in the inner expansion, cold airflow uniformly surrounds an electric arc, so that the periphery of the electric arc is intensively cooled, charged particles are forced to concentrate towards the center of an arc column, the arc column is further compressed, the directionally moved electric ion flow is a mutually parallel current-carrying conductor, the generated electromagnetic force enables the arc column to further contract under the action of a magnetic field generated by the current of the arc column, and finally the arc column is sprayed out from the nozzle to achieve the purpose of spraying.
The working principle is as follows: the current flows through the helical antenna to excite a magnetic field which changes along with time so as to generate an electric field, the electric field accelerates free electrons in the gas until the free electrons are ionized to form helical wave plasma, the ions are accelerated to form high-speed ion beams to be sprayed out based on the non-current double-layer effect of the helical wave plasma in an expansion magnetic field, the generated plasma makes helical motion along magnetic lines of force, then the generated plasma enters the magnetic field at an outlet, the high-speed ion beams are accelerated by the electric double layer and are sprayed out from a gun mouth after being restrained by a dynamic magnetic field coil, and the spraying powder can be sprayed out together with the plasma from the axial direction because the gun body is of a hollow structure. In the design of plasma torches, it is always desirable to increase the discharge power of the plasma torch by increasing the arc voltage of the arc in the plasma torch to avoid the ablation of the cathode and anode of the plasma torch and the increased difficulty of water cooling due to the strong arc current in the plasma torch. The purpose can be realized by adding external magnetic field restraint, and the arc state is relatively stable during discharging. In the experiment, the length, the luminous intensity and the heat flux density of the ejected plasma beam are correspondingly improved when the external magnetic field exists. More importantly, the existence of the external magnetic field enables the arc tip of the sprayed plasma to rotate, and the rotating frequency is accelerated along with the enhancement of the magnetic field. This rotation of the arc tips is particularly advantageous for mixing chemical components in the plasma, resulting in a uniform composition of the film produced by chemical vapor deposition. In addition, the rotation of the arc tip indicates that the arc root of the arc is also rotating. The arc root is rotated to avoid the formation of electrode spots, so that the electrode is heated more uniformly, and the service life of the electrode is prolonged.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A kind of helicon wave plasma gun head, characterized by: including spray gun main part (1), main part (1) includes shell (2), presss from both sides chamber (3), inner chamber (4), the rifle at the bottom (5), helicoid wave discharging device (6), water cooling system (7) and go out powder system (8), shell (2) are cylindrical metal casing, shell (2) with inner chamber (4) chamber wall passes through spout (9) and connects, inner chamber (4) chamber wall with be equipped with between shell (2) inner wall and press from both sides chamber (3), be equipped with water cooling system (7) and helicoid wave discharging device (6) in pressing from both sides chamber (3), inner chamber (4) chamber wall is connected out powder clamp splice (81), clamp splice (81) are close to spout (9) one side is connected tungsten alloy and is strengthened wall (91).
2. The helicon plasma gun head according to claim 1, wherein: water cooling system (7) are including reposition of redundant personnel shell (71), reposition of redundant personnel inner shell (72), water ring (73) and go out water ring (74), reposition of redundant personnel shell (71) with reposition of redundant personnel inner shell (72) interval department is equipped with it encircles to go into water ring (73), reposition of redundant personnel inner shell (72) with the relative department in inner chamber (4) outside does it encircles to go out water ring (74).
3. The helicon plasma gun head according to claim 2, wherein: the utility model discloses a novel high-voltage switch power supply, including reposition of redundant personnel inner shell (72), reposition of redundant personnel inner shell (72) one end is equipped with spacing shell of electromagnetism (10), spacing shell of electromagnetism (10) is equipped with front end plate (101), rear end plate (102), connecting plate (103) and shower nozzle magnetosphere winding board (104), rear end plate (102) middle part connect perpendicularly in reposition of redundant personnel inner shell (72) one end, the bottom of rear end plate (102) is connected perpendicularly connecting plate (103), connecting plate (103) are connected perpendicularly to front end plate (101) parallel and bottom, spiral antenna (61) are twined in the connecting plate (103) outside, solenoid (62) have been twined in spiral antenna (61) outside, laminating of front end plate (101) one side solenoid (62) opposite side is connected shower nozzle magnetosphere winding board (104), shower nozzle magnetosphere winding board (104) have divided conical surface and limiting plate, the bottom with front end plate one side is connected the opposite side and is, and the outer side of the nozzle magnetic ring winding plate (104) is wound with a nozzle electromagnetic coil (63).
4. The helicon plasma gun head according to claim 3, wherein: go out powder system (8) and include go out powder clamp splice (81) and send powder pipe (82), clamp splice (81) with send powder pipe (82) cross-section the same, send powder pipe (82) to divide into powder pipe (821), trachea (822), powder pipe (821) is located in trachea (822), it is equipped with clamp splice inner ring (811) and clamp splice outer ring (812) to go out powder clamp splice (81), powder pipe (821) with clamp splice (81) are connected through screw thread portion (813), powder pipe (821) one end is equipped with counter bore (8211), counter bore (8211) surface is equipped with the screw thread, screw thread portion (813) with counter bore (8211) connect soon, be equipped with the same spiral gas nozzle of slope radian in clamp splice outer ring (812).
5. The helicon plasma gun head according to claim 4, wherein: the utility model discloses a spray gun, including spray gun main part (1), rifle end (5) are located the bottom of spray gun main part (1), rifle end (5) are equipped with a pair of inlet opening (51) and a pair of apopore (52), inlet opening (51) intercommunication water ring (73), apopore (52) intercommunication water ring (74), inlet opening (51) reach all be equipped with the water cable in apopore (52), helicon wave discharging device (6) are connected the water cable, rifle end (5) middle part is equipped with through-hole (53), wear in through-hole (53) and send whitewashed pipe (82).
6. The helicon plasma gun head according to claim 5, wherein: waterproof paint is coated outside the spiral antenna (61), the electromagnetic coil (62) and the spray head electromagnetic coil (63).
7. The helicon plasma gun head according to claim 5, wherein: the spray head electromagnetic coils (63) are stator multi-phase windings, and each spray head electromagnetic coil is provided with at least two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020659335.5U CN213222804U (en) | 2020-04-27 | 2020-04-27 | Spiral wave plasma gun head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020659335.5U CN213222804U (en) | 2020-04-27 | 2020-04-27 | Spiral wave plasma gun head |
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| Publication Number | Publication Date |
|---|---|
| CN213222804U true CN213222804U (en) | 2021-05-18 |
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| CN202020659335.5U Active CN213222804U (en) | 2020-04-27 | 2020-04-27 | Spiral wave plasma gun head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570119A (en) * | 2020-04-27 | 2020-08-25 | 江苏镭明新材料科技有限公司 | Spiral wave plasma gun head |
-
2020
- 2020-04-27 CN CN202020659335.5U patent/CN213222804U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570119A (en) * | 2020-04-27 | 2020-08-25 | 江苏镭明新材料科技有限公司 | Spiral wave plasma gun head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A spiral wave plasma gun head Effective date of registration: 20220901 Granted publication date: 20210518 Pledgee: Jiangsu SINOSURE technology microfinance Co.,Ltd. Pledgor: Jiangsu Radium Ming New Materials Technology Co.,Ltd. Registration number: Y2022980014218 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210518 Pledgee: Jiangsu SINOSURE technology microfinance Co.,Ltd. Pledgor: Jiangsu Radium Ming New Materials Technology Co.,Ltd. Registration number: Y2022980014218 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |