CN110295360A - Based on quality, cost and the multi-faceted improved plater of operation readiness - Google Patents
Based on quality, cost and the multi-faceted improved plater of operation readiness Download PDFInfo
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- CN110295360A CN110295360A CN201910711505.1A CN201910711505A CN110295360A CN 110295360 A CN110295360 A CN 110295360A CN 201910711505 A CN201910711505 A CN 201910711505A CN 110295360 A CN110295360 A CN 110295360A
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- thermostat
- plater
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- faceted
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- 239000011248 coating agent Substances 0.000 claims abstract description 50
- 238000000576 coating method Methods 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 238000007747 plating Methods 0.000 claims abstract description 11
- 239000011241 protective layer Substances 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 238000007772 electroless plating Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 239000003814 drug Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1619—Apparatus for electroless plating
- C23C18/1621—Protection of inner surfaces of the apparatus
- C23C18/1625—Protection of inner surfaces of the apparatus through chemical processes
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1619—Apparatus for electroless plating
- C23C18/1632—Features specific for the apparatus, e.g. layout of cells and of its equipment, multiple cells
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1646—Characteristics of the product obtained
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1675—Process conditions
- C23C18/1676—Heating of the solution
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemically Coating (AREA)
Abstract
The present invention relates to one kind to be based on quality, cost and the multi-faceted improved plater of operation readiness, belongs to electroless plating technology field.The plater by coating bath, the thermostat of coating bath periphery is set and is made up of with thermostat the heating tank that heat medium pipeline is connected, for plating the coat of metal on the part of touch screen, have the advantages that service life is long, cost of material is low, heating is more evenly stable with coating quality.
Description
Technical field
The present invention relates to electroless plating technology fields, and in particular to one kind is based on quality, cost and operation readiness is multi-faceted changes
Into plater.
Background technique
The part of touch screen needs to plate the coat of metal, to realize various effects such as wire-conducting performance, protective.
Existing coating bath structural reference Fig. 1, coating bath are made of PP material or PVA material, and heating electricity is provided in coating bath
Resistance, after such coating bath through a long time use, easily there is the abnormal deposition of metallic nickel in the inner wall of slot, and lead to the coating bath uses the longevity
Life is lasting to be shortened, and the service life of coating bath is a kind of calculation in liquid medicine service life, the daily additive amount of main salt by 1.2MTO(MTO
Reaching 1 to build bath amount is 1MTO, i.e. liquid medicine a service life) present 0.3MTO is dropped to, cause very big raw material
Waste.
Meanwhile the coating bath is heated using electric heater pair slot heating method, uses liquid medicine itself as heat-conducting medium, liquid medicine
Bath volume 330L is built, the liquid medicine of actual participation reaction only has 200L, and in addition there is no sufficiently participate in what coating was formed for 130L liquid medicine
Reaction, equally causes very big waste.
Also, the heating uniformity of existing coating bath is bad, and liquid medicine caused by hot-spot point easily occurs in adding thermal resistance periphery
The problem of solution and stability difference, influences product quality.
Summary of the invention
In view of the above-mentioned problems, the present invention provides one kind based on quality, cost and the multi-faceted improved coating dress of operation readiness
Set, for plating the coat of metal on the part of touch screen, it is long with service life, cost of material is low, heating it is more equal
The stable advantage of uniform coating quality.
Technical proposal that the invention solves the above-mentioned problems is as follows:
Based on quality, cost and the multi-faceted improved plater of operation readiness, include:
At least one coating bath is provided with protective layer in the coating bath for providing the first space of accommodating plating solution and plating piece；
The protective layer is not that groove body just has originally, but about 38% nitric acid is used impregnate 4 hours, in groove body
What 316 stainless steel materials of wall generated, and this layer of protective layer needs nitre again as groove body is using can slowly fail after failure
Acid soak generates；
At least one thermostat is set to the outside of the coating bath, for forming accommodating heating between the outer wall of the coating bath
The second space of medium；
Heating tank is independently disposed to outside the thermostat, for heating to heat medium, is provided with and is added in the heating tank
Hot portion and the third space that heat medium can be accommodated；
Using conventional controller-, temperature sensor-heating device is chain can be realized for temperature control；
Heat medium pipeline is provided with control on the heat medium pipeline for being connected to the thermostat and the heating tank
Pump is for the heat medium in the heating tank to be delivered in the thermostat.
Heat medium generallys use hot water, and after the heating of independent heating tank, the outer surface of coating bath is heated than existing
Technology is uniformly very much, effectively improves the stability of coating, and makes the effective component in plating solution will not be due to hot-spot
And decompose, it is fully utilized.
As a preferred embodiment of the above technical solution, the coating bath is groove body made of stainless steel, and the protective layer is the plating
Passivating film on slot inner wall.
Coating bath described in the prior art is made of PP material or PVA material, although corrosion that can be acidproof, in it
Wall can cause roughness higher and higher, roughness is got over during metallic nickel is adsorbed, grown by a degree of destruction
Height, metallic nickel is easier to be adsorbed above, forms vicious circle, finally results in the abnormal absorption of nickel, and the production cycle substantially contracts
It is short, cause the waste of raw material
As a preferred embodiment of the above technical solution, the coating bath is the groove body of rectangular shape.
The groove body of rectangular shape is conducive to the dispersion of components, without being brought together.
As a preferred embodiment of the above technical solution, the thermostat is the groove body of rectangular parallelepiped structure.
As a preferred embodiment of the above technical solution, it is additionally provided on the thermostat and heat medium is back to the heating tank
Interior return line.
As a preferred embodiment of the above technical solution, the heating part in the heating tank is electric heater or steam heater.
As a preferred embodiment of the above technical solution, the quantity of the coating bath is two or more, two or more
The coating bath share one described in heating tank.
As a preferred embodiment of the above technical solution, the collocation of thermostat described in each described coating bath and one uses.
As a preferred embodiment of the above technical solution, thermostat described in every two or more than two coating baths and one is taken
With use.
As a preferred embodiment of the above technical solution, insulating layer is provided on the outer wall of the thermostat.
Dismountable insulation board can be set into the insulating layer, convenient for being dismantled when needing fast cooling.
In conclusion the invention has the following advantages:
The present invention provides one kind based on quality, cost and the multi-faceted improved plater of operation readiness, compared with the existing technology
Coating bath:
1. service life is promoted to 3MTO by 1.2MTO, and will not decay；
2. metallic nickel will not adsorb extremely, the supplement burden of liquid medicine is reduced, liquid medicine cost is reduced；
3. improving the service efficiency of effective component in liquid medicine；
4. heating more uniform, the stability of product coating is improved；
5. improving into plater described herein to existing coating bath, was calculated according to each nickel slot using 15 days, only need 3
A nickel slot about 45 days i.e. recoverable improvement cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of coating bath in the prior art；
Fig. 2 is plater structural schematic diagram described in the embodiment of the present application 1；
Fig. 3 is plater structural schematic diagram described in the embodiment of the present application 2；
In figure, 1- coating bath, 1-1- protective layer, 2- thermostat, 2-1- insulating layer, 3- heating tank, the heating part 3-1-, 4- heat medium
Pipeline, 4-1- control pump, 4-2- extend pipeline, 4-2.1- tap hole, the first space a-, b- second space, c- third space.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Embodiment in the present invention, ordinary skill
Personnel's all other embodiment obtained under the premise of not doing creative work, shall fall within the protection scope of the present invention.
With embodiment, the present invention is described in detail with reference to the accompanying drawing.
Embodiment 1: referring to Fig. 2, is based on quality, cost and the multi-faceted improved plater of operation readiness, is plated by one
Slot 1, one thermostat 2 that 1 periphery of coating bath is set and a heating being connected with thermostat 2 by heat medium pipeline 4
Slot 3 is constituted.
Wherein, coating bath 1 is made of SUS316L stainless steel material, is rectangular-shape, it contains for providing accommodating plating
First space a of liquid and plating piece is additionally provided with the protective layer 1-1 of passivating film composition on inner wall；
Thermostat 2 is also the groove body for the cubic being made of stainless steel, and heat preservation made of foamed plastic is provided on outer wall
Layer 2-1, and the second space b for accommodating heat medium hot water is formed between the inner wall of thermostat 2 and the outer wall of coating bath 1；
Heating tank 3 is independently arranged, and heating part 3-1 and add for accommodating that electric heater or steam heater are constituted is arranged inside
The third space c of thermal medium；
Control pump 4-1 is provided on heat medium pipeline 4 to be used to the heat medium in heating tank 3 being delivered to the thermostat 2
It is interior.
Preferably, be additionally provided with return line heat medium being back in heating tank 3 on thermostat 2.
Preferably, the quantity of coating bath 1 be two or more, and share one described in heating tank 3.
It is further preferred that each coating bath 1 and a collocation of thermostat 2 use.
It is further preferred that every two or more than two coating baths 1 and a collocation of thermostat 2 use.
Embodiment 2: referring to Fig. 3, quality, cost and the multi-faceted improved plater of operation readiness is based on, with embodiment 1
The difference is that: the extension pipeline 4-2 being additionally provided on the heat medium pipeline 4 inside the thermostat 2, institute
Stating extension pipeline 4-2 is several, and interval is distributed in inside the thermostat 2, and several extension pipeline 4-2 are by institute
The bottom for stating thermostat 2 enters, and extends to the top of the thermostat 2；
It is described to extend the tap hole 4-2.1 that several heat mediums are provided on pipeline 4-2；
The caliber for extending pipeline 4-2 is gradually expanded from the bottom of the thermostat 2 to the top of the thermostat 2, accordingly
, the aperture of the tap hole 4-2.1 is gradually increased from the bottom of the thermostat 2 to the top of the thermostat 2.
Heat medium is usually hot water, and the heating method that embodiment 1 uses is no doubt than technical side described in background technology
Case is more uniform, however it remains the temperature near heating medium inlet is higher, temperature far from heating medium inlet region
Lower defect, in view of this point, inventor devises technical solution as described in example 2:
The caliber for extending pipeline 4-2 is gradually expanded from the bottom of the thermostat 2 to the top of the thermostat 2, so that heating
When entering extension pipeline 4-2, part potential energy (hydraulic pressure) is converted into kinetic energy (flow velocity) medium, the flowing that heat medium can be spontaneous
The problem of top spray to thermostat 2 gets off, and effectively improves temperature distributing disproportionation；
Meanwhile the aperture of the top tap hole 4-2.1 by increasing thermostat 2 (reduces the bottom tap hole 4-2.1 of thermostat 2
Aperture), to spray again after encouraging more heat mediums to flow to the top of thermostat 2, by the top of thermostat,
Multiple temperature sensors are arranged to characterize Temperature Distribution in bottom and middle part, measure the temperature difference maximum inside thermostat 2 and are no more than
0.06 DEG C, i.e., technical solution through this embodiment is effective, further enhances the homogeneity of temperature in thermostat 2, together
When also further improve the quality of coating of plating piece.
Claims (10)
1. being based on quality, cost and the multi-faceted improved plater of operation readiness, which is characterized in that include:
At least one coating bath (1) is provided in the coating bath (1) for providing the first space (a) of accommodating plating solution and plating piece
Protective layer (1-1)；
At least one thermostat (2), is set to the outside of the coating bath (1), for being formed between the outer wall of the coating bath (1)
Accommodate the second space (b) of heat medium；
Heating tank (3) is independently disposed to the thermostat (2) outside, for being heated to heat medium, the heating tank (3)
It is inside provided with heating part (3-1) and the third space (c) of heat medium can be accommodated；
Heat medium pipeline (4), for being connected to the thermostat (2) and the heating tank (3), the heat medium pipeline (4)
On be provided with control pump (4-1) and be used to for the heat medium in the heating tank (3) being delivered in the thermostat (2).
2. according to claim 1 existed based on quality, cost and the multi-faceted improved plater of operation readiness, feature
In: the coating bath (1) is groove body made of stainless steel, and the protective layer (1-1) is the passivating film on the coating bath (1) inner wall.
3. according to claim 1 or 2 be based on quality, cost and the multi-faceted improved plater of operation readiness, spy
Sign is: the coating bath (1) is the groove body of rectangular shape.
4. according to claim 3 existed based on quality, cost and the multi-faceted improved plater of operation readiness, feature
In: the thermostat (2) is the groove body of rectangular parallelepiped structure.
5. according to claim 1 existed based on quality, cost and the multi-faceted improved plater of operation readiness, feature
In: on the thermostat (2) be additionally provided with return line heat medium being back in the heating tank (3).
6. according to claim 1 existed based on quality, cost and the multi-faceted improved plater of operation readiness, feature
In: the heating part (3-1) in the heating tank (3) is electric heater or steam heater.
7. according to claim 1 existed based on quality, cost and the multi-faceted improved plater of operation readiness, feature
In: the quantity of the coating bath (1) is two or more, and two or more coating baths (1) share described in one
Heating tank (3).
8. according to claim 7 existed based on quality, cost and the multi-faceted improved plater of operation readiness, feature
The collocation of the thermostat (2) described in: each described coating bath (1) and one uses.
9. according to claim 7 existed based on quality, cost and the multi-faceted improved plater of operation readiness, feature
The collocation of the thermostat (2) described in: every two or more than two coating baths (1) and one uses.
10. according to claim 1 be based on quality, cost and the multi-faceted improved plater of operation readiness, feature
It is: is provided with insulating layer (2-1) on the outer wall of the thermostat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910711505.1A CN110295360B (en) | 2019-08-02 | 2019-08-02 | Multi-azimuth improved coating device based on quality, cost and convenient operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910711505.1A CN110295360B (en) | 2019-08-02 | 2019-08-02 | Multi-azimuth improved coating device based on quality, cost and convenient operation |
Publications (2)
| Publication Number | Publication Date |
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| CN110295360A true CN110295360A (en) | 2019-10-01 |
| CN110295360B CN110295360B (en) | 2024-04-26 |
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| CN201910711505.1A Active CN110295360B (en) | 2019-08-02 | 2019-08-02 | Multi-azimuth improved coating device based on quality, cost and convenient operation |
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