CN109867932A - A kind of manufacturing method of novel SMC composite material open air distribution box - Google Patents
A kind of manufacturing method of novel SMC composite material open air distribution box Download PDFInfo
- Publication number
- CN109867932A CN109867932A CN201910258856.1A CN201910258856A CN109867932A CN 109867932 A CN109867932 A CN 109867932A CN 201910258856 A CN201910258856 A CN 201910258856A CN 109867932 A CN109867932 A CN 109867932A
- Authority
- CN
- China
- Prior art keywords
- composite material
- distribution box
- smc composite
- open air
- air distribution
- 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.)
- Pending
Links
Abstract
The present invention relates to a kind of manufacturing methods of distributed board outdoor, more particularly to a kind of manufacturing method of novel SMC composite material open air distribution box, on the basis of the main structure of conventional SMC composite material, glass fibre is subjected to plating metal on surface processing, a certain amount of Fe-based amorphous alloy powder is added in resin matrix simultaneously and iron-base nanometer crystal alloy powder is modified it, and novel SMC composite material lath is made by pultrude process and further novel SMC composite material open air distribution box is made in assembly by it.Compared with the existing technology, the present invention produce made from distributed board outdoor at low cost, it is corrosion-resistant, ageing-resistant beneficial features, have both that electric conductivity is excellent simultaneously, the anti-lightning strike and excellent feature of electromagnetic shielding performance, the manufacturing method for being much more desirable as distribution box uses.
Description
Technical field
The present invention relates to a kind of manufacturing methods of distributed board outdoor more particularly to a kind of novel SMC composite material open air to match
The manufacturing method of electronic box.
Background technique
Currently, its production material of common distributed board outdoor mainly has cold-rolled steel sheet, stainless steel plate and SMC composite material three
Kind.Wherein the distributed board outdoor of cold-rolled steel sheet material answers its cheap and most commonly seen, is widely used, and has accounted for domestic market
More than half, however due to the poor corrosion resistance of cold-rolled steel sheet, with the lengthening of service life, easy leak electric leakage exists
Biggish security risk.Distributed board outdoor of the distributed board outdoor of stainless steel plate material compared to cold-rolled steel sheet material, corrosion resistant
Lose functional therefore more durable, but it exists simultaneously higher, the easily stolen problem of manufacturing cost.
The distributed board outdoor of SMC composite material quality solves the problems, such as corrosion resistant performance, while having certain cost advantage,
Therefore in recent years, the distributed board outdoor of this kind of material has obtained exploitation energetically, but since SMC composite material is non-metallic material
Matter has congenital weak tendency on anti-lightning strike and electromagnetic shielding, needs to its modification.
103360779 B of patent CN discloses a kind of manufacturing method of compound resin sill 10KV distribution box, the manufacture
Method is by the way that unsaturated-resin, mountain flour, glass fibre, carbon dust, curing agent and promotor to be sufficiently mixed according to mass ratio
After slurry is made, lath is made by pultrusion, distribution box is spliced to form by lath, solve distribution box aging, breakage and
The technical issues of leak., can be conductive simultaneously added with carbon dust in polymer matrix composites, prevent the electromagnetic shielding that is struck by lightning and generates
Effect.However simple addition carbon dust, it is limited to the modification power of composite material, it can not efficiently promote composite material
Electric conductivity and electromagnetic shielding performance, however it remains some potential safety problems.
108155576 A of patent CN discloses a kind of power distributing cabinet, substitutes metal by Wood-plastic material to make distribution
Box enclosure improves the corrosion resistance of distribution box enclosure, while passing through the addition of carbon fiber and graphite, improves the electricity of distribution box
Magnetic shield performance.This method increases carbon fibre material on the basis of graphite, improves the electricity of distribution box to a certain extent
Magnetic Shielding Effectiveness, but with for the distribution box of metal material, shield effectiveness is still extremely limited.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention in the manufacture of original SMC composite material open air distribution box
On the basis of method, a kind of manufacturing method of novel SMC composite material open air distribution box is developed, it is compound to solve existing SMC
Material distributed board outdoor electric conductivity is poor, the bad problem of effectiveness.
To achieve the goals above, the present invention adopts the following technical scheme:
On the basis of the main structure of conventional SMC composite material, glass fibre is subjected to plating metal on surface processing, while setting
A certain amount of Fe-based amorphous alloy powder is added in aliphatic radical body and iron-base nanometer crystal alloy powder is modified it, is made up of pultrude process
Simultaneously novel SMC composite material open air distribution box is made in its further assembly by novel SMC composite material lath.
Specific technical solution is as follows:
Impregnating resin mass percent is formed by following component proportion: 100 parts of resin matrix, 5 ~ 15 parts of filler, release agent 3 ~ 5
Part, 0 ~ 3 part of curing agent, 5 ~ 15 parts of shrinking agent, 1 ~ 3 part of antioxidant, 1 ~ 5 part of Fe-based amorphous alloy powder, iron based nano crystal close
1 ~ 5 part of bronze, 1 ~ 5 part of graphite.
Further, the resin matrix can be unsaturated polyester resin, vinylite, epoxy resin and phenolic aldehyde tree
One of rouge；Preferably, the resin matrix is metaphenylene unsaturated polyester resin.
Further, the filler can be one of precipitated calcium carbonate, aluminium hydroxide and hollow glass micropearl；It is preferred that
, the filler is precipitated calcium carbonate.
Further, the release agent uses zinc stearate, and excellent stripping result can guarantee pultrusion molding process
It goes on smoothly.
Further, the curing agent can be one of anhydride, tertiary amine, imidazole curing agent, depending on resin matrix
Difference and adjust.
Further, the shrinking agent can be one of polystyrene and polyvinyl acetate；Preferably, described
Shrinking agent is polystyrene.
Further, the antioxidant can be secondary diarylamine, p-phenylenediamine, ketoamine, aldehyde amine, one in single phenol
Kind；Preferably, the antioxidant is secondary diarylamine.
Further, the glass fibre is carried out by one of Vacuum Coating method, vapor deposition process and hot dipping
Plating metal on surfaceization processing；Preferably, plating metal on surface processing is carried out to the glass fibre by vapor deposition process.
Further, the glass fibre coated layer metal can be it is zinc-plated, aluminize, nickel plating, it is silver-plated, in copper facing one
Kind；Preferably, the glass fiber coated layer metal is nickel plating coated layer.
Slurry is made in above-mentioned raw materials after mixing, is poured into the steeping vat of sandwich, by sending yarn, impregnation, pre-
Molding, solidifying and setting, traction, cut off operation, the hollow lath and strip of specification needed for being made.
It is combined by the clamping of the lath and strip, clamping is further combined at the panel for electricity distribution box of suitable size
The distribution box of suitable size.
Compared with the existing technology, the manufacturing method institute of a kind of novel SMC composite material open air distribution box of the present invention
Produce distributed board outdoor obtained have it is at low cost, it is corrosion-resistant, it is ageing-resistant, facilitate the beneficial features of installing and dismounting, have both simultaneously
Electric conductivity is excellent, the anti-lightning strike and excellent feature of electromagnetic shielding performance, and the manufacturing method for being much more desirable as distribution box uses.
Detailed description of the invention
It, below will be to attached used in specific embodiment in order to further clearly illustrate the specific embodiment of the invention
Figure is briefly described, it should be apparent that, be described below in attached drawing be some embodiments of the present invention, for this field
For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the manufacturing method middle plate strip and strip of a kind of novel SMC composite material open air distribution box provided by the invention
Structural section figure；
Fig. 2 is the manufacturing method middle plate strip and strip of the novel SMC composite material of another kind provided by the invention open air distribution box
Structural section figure
Fig. 3 be a kind of novel SMC composite material open air distribution box provided by the invention manufacturing method middle plate strip and strip it is outer
Shape structure chart；
Fig. 4 is the manufacturing method middle plate strip and strip of the novel SMC composite material of another kind provided by the invention open air distribution box
Shape assumption diagram；
Fig. 5 is that distributed board outdoor is made in a kind of manufacturing method of novel SMC composite material open air distribution box provided by the invention
Composite structural diagram.
In figure:
1-SMC lath；
2-SMC strip.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to guarantor of the present invention
The range of shield.
Embodiment 1:
The invention discloses a kind of manufacturing methods of novel SMC composite material open air distribution box, as shown in figures 1 and 3, in routine
On the basis of the main structure of SMC composite material, glass fibre is subjected to plating metal on surface processing, while adding in resin matrix
A certain amount of Fe-based amorphous alloy powder and iron-base nanometer crystal alloy powder is added to be modified it, it is multiple that novel SMC is made by pultrude process
Simultaneously novel SMC composite material open air distribution box is made in its further assembly by condensation material lath, as shown in Figure 5.
Specific technical solution is as follows:
Impregnating resin mass percent is formed by following component proportion: 100 parts of resin matrix, 3 parts of release agent, is consolidated 10 parts of filler
1 part of agent, 10 parts of shrinking agent, 2 parts of antioxidant, 4 parts of Fe-based amorphous alloy powder, 4 parts of iron-base nanometer crystal alloy powder, graphite 3
Part.
Further, resin matrix is metaphenylene unsaturated polyester resin.
Further, filler is precipitated calcium carbonate.
Further, release agent is zinc stearate.
Further, curing agent is acid anhydride type curing agent.
Further, shrinking agent is polystyrene.
Further, antioxidant is secondary diarylamine.
Further, plating metal on surface processing is carried out to glass fibre by vapor deposition process.
Further, glass fiber coated layer metal is nickel plating coated layer.
Slurry is made in above-mentioned raw materials after mixing, is poured into the steeping vat of sandwich, by sending yarn, impregnation, pre-
Molding, solidifying and setting, traction, cut off operation, the hollow lath and strip of specification needed for being made.
It is combined by the clamping of lath and strip, at the panel for electricity distribution box of suitable size, it is suitable to be further combined into for clamping
The distribution box of size, as shown in Figure 5.
Embodiment 2:
The invention discloses the manufacturing methods of another novel SMC composite material open air distribution box, as shown in figures 1 and 3, normal
On the basis of the main structure for advising SMC composite material, glass fibre is subjected to plating metal on surface processing, while in resin matrix
It adds a certain amount of Fe-based amorphous alloy powder and iron-base nanometer crystal alloy powder is modified it, novel SMC is made by pultrude process
Simultaneously novel SMC composite material open air distribution box is made in its further assembly by composite material lath, as shown in Figure 5.
Specific technical solution is as follows:
Impregnating resin mass percent is formed by following component proportion: 100 parts of resin matrix, 4 parts of release agent, is consolidated 10 parts of filler
3 parts of agent, 5 parts of shrinking agent, 1 part of antioxidant, 5 parts of Fe-based amorphous alloy powder, 5 parts of iron-base nanometer crystal alloy powder, graphite 2
Part.
Further, resin matrix is epoxy resin.
Further, filler is aluminium hydroxide.
Further, release agent is zinc stearate.
Further, curing agent is tertiary amines curing agent.
Further, shrinking agent is polystyrene.
Further, antioxidant is p-phenylenediamine.
Further, plating metal on surface processing is carried out to glass fibre by Vacuum Coating method.
Further, glass fiber coated layer metal is coated layer of aluminizing.
Slurry is made in above-mentioned raw materials after mixing, is poured into the steeping vat of sandwich, by sending yarn, impregnation, pre-
Molding, solidifying and setting, traction, cut off operation, the hollow lath and strip of specification needed for being made.
It is combined by the clamping of lath and strip, at the panel for electricity distribution box of suitable size, it is suitable to be further combined into for clamping
The distribution box of size, as shown in Figure 5.
Embodiment 3:
The invention discloses the manufacturing methods of another novel SMC composite material open air distribution box, as shown in Figure 2 and Figure 4, normal
On the basis of the main structure for advising SMC composite material, glass fibre is subjected to plating metal on surface processing, while in resin matrix
It adds a certain amount of Fe-based amorphous alloy powder and iron-base nanometer crystal alloy powder is modified it, novel SMC is made by pultrude process
Simultaneously novel SMC composite material open air distribution box is made in its further assembly by composite material lath, as shown in Figure 5.
Specific technical solution is as follows:
Impregnating resin mass percent is formed by following component proportion: 100 parts of resin matrix, 3 parts of release agent, is consolidated 10 parts of filler
1 part of agent, 10 parts of shrinking agent, 2 parts of antioxidant, 4 parts of Fe-based amorphous alloy powder, 4 parts of iron-base nanometer crystal alloy powder, graphite 3
Part.
Further, resin matrix is metaphenylene unsaturated polyester resin.
Further, filler is precipitated calcium carbonate.
Further, release agent is zinc stearate.
Further, curing agent is acid anhydride type curing agent.
Further, shrinking agent is polystyrene.
Further, antioxidant is secondary diarylamine.
Further, plating metal on surface processing is carried out to glass fibre by vapor deposition process.
Further, glass fiber coated layer metal is nickel plating coated layer.
Slurry is made in above-mentioned raw materials after mixing, is poured into the steeping vat of sandwich, by sending yarn, impregnation, pre-
Molding, solidifying and setting, traction, cut off operation, the hollow lath and strip of specification needed for being made.
It is combined by the clamping of lath and strip, at the panel for electricity distribution box of suitable size, it is suitable to be further combined into for clamping
The distribution box of size, as shown in Figure 5.
Embodiment 4:
The invention discloses the manufacturing methods of another novel SMC composite material open air distribution box, as shown in Figure 2 and Figure 4, normal
On the basis of the main structure for advising SMC composite material, glass fibre is subjected to plating metal on surface processing, while in resin matrix
It adds a certain amount of Fe-based amorphous alloy powder and iron-base nanometer crystal alloy powder is modified it, novel SMC is made by pultrude process
Simultaneously novel SMC composite material open air distribution box is made in its further assembly by composite material lath, as shown in Figure 5.
Specific technical solution is as follows:
Impregnating resin mass percent is formed by following component proportion: 100 parts of resin matrix, 4 parts of release agent, is consolidated 10 parts of filler
3 parts of agent, 5 parts of shrinking agent, 1 part of antioxidant, 5 parts of Fe-based amorphous alloy powder, 5 parts of iron-base nanometer crystal alloy powder, graphite 2
Part.
Further, resin matrix is epoxy resin.
Further, filler is aluminium hydroxide.
Further, release agent is zinc stearate.
Further, curing agent is tertiary amines curing agent.
Further, shrinking agent is polystyrene.
Further, antioxidant is p-phenylenediamine.
Further, plating metal on surface processing is carried out to glass fibre by Vacuum Coating method.
Further, glass fiber coated layer metal is coated layer of aluminizing.
Slurry is made in above-mentioned raw materials after mixing, is poured into the steeping vat of sandwich, by sending yarn, impregnation, pre-
Molding, solidifying and setting, traction, cut off operation, the hollow lath and strip of specification needed for being made.
It is combined by the clamping of lath and strip, at the panel for electricity distribution box of suitable size, it is suitable to be further combined into for clamping
The distribution box of size, as shown in Figure 5.
Still there are many embodiment, all technical sides formed using equivalents or equivalent transformation by the present invention
Case is within the scope of the present invention.
Claims (10)
1. a kind of manufacturing method of novel SMC composite material open air distribution box, which is characterized in that in conventional SMC composite material
On the basis of main structure, glass fibre is subjected to plating metal on surface processing, while a certain amount of iron is added in resin matrix
Base noncrystal alloy powder and iron-base nanometer crystal alloy powder are modified it, and novel SMC composite material lath is made simultaneously by pultrude process
By it, further novel SMC composite material open air distribution box is made in assembly.
2. a kind of manufacturing method of novel SMC composite material open air distribution box according to claim 1, which is characterized in that
Impregnating resin mass percent is formed by following component proportion: 100 parts of resin matrix, 3 ~ 5 parts of release agent, is consolidated 5 ~ 15 parts of filler
0 ~ 3 part of agent, 5 ~ 15 parts of shrinking agent, 1 ~ 3 part of antioxidant, 1 ~ 5 part of Fe-based amorphous alloy powder, iron-base nanometer crystal alloy powder 1 ~
5 parts, 1 ~ 5 part of graphite.
3. a kind of manufacturing method of novel SMC composite material open air distribution box according to claim 1, which is characterized in that
The resin matrix can be one of unsaturated polyester resin, vinylite, epoxy resin and phenolic resin；It is preferred that
, the resin matrix is metaphenylene unsaturated polyester resin.
4. a kind of manufacturing method of novel SMC composite material open air distribution box according to claim 1, which is characterized in that
The filler can be one of precipitated calcium carbonate, aluminium hydroxide and hollow glass micropearl；Preferably, the filler is lightweight
Calcium carbonate.
5. a kind of manufacturing method of novel SMC composite material open air distribution box according to claim 1, which is characterized in that
The release agent uses zinc stearate, and excellent stripping result can guarantee that pultrusion molding process is gone on smoothly.
6. a kind of manufacturing method of novel SMC composite material open air distribution box according to claim 1, which is characterized in that
The curing agent can be one of anhydride, tertiary amine, imidazole curing agent, depending on resin matrix difference and adjust.
7. a kind of manufacturing method of novel SMC composite material open air distribution box according to claim 1, which is characterized in that
The shrinking agent can be one of polystyrene and polyvinyl acetate；Preferably, the shrinking agent is polyphenyl second
Alkene.
8. a kind of manufacturing method of novel SMC composite material open air distribution box according to claim 1, which is characterized in that
The antioxidant can be one of secondary diarylamine, p-phenylenediamine, ketoamine, aldehyde amine, single phenol；Preferably, the antioxygen
Agent is secondary diarylamine.
9. a kind of manufacturing method of novel SMC composite material open air distribution box according to claim 1, which is characterized in that
Plating metal on surface processing is carried out to the glass fibre by one of Vacuum Coating method, vapor deposition process and hot dipping；
Preferably, plating metal on surface processing is carried out to the glass fibre by vapor deposition process.
10. a kind of manufacturing method of novel SMC composite material open air distribution box according to claim 1, which is characterized in that
The glass fibre coated layer metal can be it is zinc-plated, aluminize, nickel plating, one of silver-plated, copper facing；Preferably, the glass is fine
Dimension coated layer metal is nickel plating coated layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258856.1A CN109867932A (en) | 2019-04-01 | 2019-04-01 | A kind of manufacturing method of novel SMC composite material open air distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258856.1A CN109867932A (en) | 2019-04-01 | 2019-04-01 | A kind of manufacturing method of novel SMC composite material open air distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109867932A true CN109867932A (en) | 2019-06-11 |
Family
ID=66921743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910258856.1A Pending CN109867932A (en) | 2019-04-01 | 2019-04-01 | A kind of manufacturing method of novel SMC composite material open air distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109867932A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110669324A (en) * | 2019-10-25 | 2020-01-10 | 中国建筑材料科学研究总院有限公司 | Conductive glass fiber reinforced plastic, conductive glass fiber reinforced plastic plate and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3920603A (en) * | 1973-10-24 | 1975-11-18 | Vance A Stayner | Reinforced resin compositions and articles formed thereof |
| CN1772798A (en) * | 2005-08-03 | 2006-05-17 | 北京纳盛通新材料科技有限公司 | Conductive plastic and its processing method and apparatus |
| CN103360779A (en) * | 2013-06-08 | 2013-10-23 | 国家电网公司 | Manufacturing method for 10KV distribution boxes through composite resin material |
| CN105482399A (en) * | 2015-11-27 | 2016-04-13 | 四川迪弗电工科技有限公司 | Unsaturated polyester resin fiber reinforced sheet-shape molding compound and preparation method thereof |
| CN106601429A (en) * | 2017-01-19 | 2017-04-26 | 东莞易力禾电子有限公司 | High-permeability magnetic film and preparation method thereof |
-
2019
- 2019-04-01 CN CN201910258856.1A patent/CN109867932A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3920603A (en) * | 1973-10-24 | 1975-11-18 | Vance A Stayner | Reinforced resin compositions and articles formed thereof |
| CN1772798A (en) * | 2005-08-03 | 2006-05-17 | 北京纳盛通新材料科技有限公司 | Conductive plastic and its processing method and apparatus |
| CN103360779A (en) * | 2013-06-08 | 2013-10-23 | 国家电网公司 | Manufacturing method for 10KV distribution boxes through composite resin material |
| CN105482399A (en) * | 2015-11-27 | 2016-04-13 | 四川迪弗电工科技有限公司 | Unsaturated polyester resin fiber reinforced sheet-shape molding compound and preparation method thereof |
| CN106601429A (en) * | 2017-01-19 | 2017-04-26 | 东莞易力禾电子有限公司 | High-permeability magnetic film and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110669324A (en) * | 2019-10-25 | 2020-01-10 | 中国建筑材料科学研究总院有限公司 | Conductive glass fiber reinforced plastic, conductive glass fiber reinforced plastic plate and preparation method thereof |
| CN110669324B (en) * | 2019-10-25 | 2022-05-27 | 中国建筑材料科学研究总院有限公司 | Conductive glass fiber reinforced plastic, conductive glass fiber reinforced plastic plate and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103740050B (en) | The preparation method of a kind of air-conditioner base plate and air-conditioner base plate | |
| CN111101082B (en) | Metal ceramic composite material for new energy automobile brake pad and preparation method thereof | |
| CN101211677A (en) | Single-side reinforced small amount epoxy glue mica tape and method of manufacture and its uses | |
| CN105400130A (en) | Phenolic plastic | |
| CN103408903A (en) | High-strength insulating support beam and preparation method thereof | |
| CN109867932A (en) | A kind of manufacturing method of novel SMC composite material open air distribution box | |
| CN112746522A (en) | High-dielectric-property composite aramid paper | |
| CN1062509C (en) | Electric cable fibre reinforced moulding compound supporter and mfg. method thereof | |
| CN112745637A (en) | High-temperature-resistant and high-tracking-resistant rotary insulator and preparation method thereof | |
| CN103642171B (en) | A kind of suspension clamp SMC composite and production method | |
| CN113715422A (en) | High-wear-resistance epoxy glass fiber cloth laminated board and preparation method thereof | |
| CN103183902A (en) | Antibacterial phenolic moulding compound | |
| CN110670415A (en) | High-density aramid fiber paper laminated board and preparation method thereof | |
| CN103450688B (en) | A kind of conductive shield rubber composition and preparation method thereof and application | |
| CN110358253A (en) | For producing the composite material and preparation method of railway signal tank unit housings | |
| CN105315845A (en) | High-strength water-resistant corrosion-resistant epoxy resin powder coating | |
| CN102003480B (en) | Wind driven generator damping friction braking plate and preparation method thereof | |
| CN115386195A (en) | Insulating layer and molded structural part for large hydroelectric power generation equipment and preparation method thereof | |
| CN111286006B (en) | Epoxy resin condensate, composite material and preparation method thereof | |
| CN113801473A (en) | Wave-absorbing bismaleimide resin, wave-absorbing bismaleimide resin composite material and preparation method thereof | |
| CN107447584B (en) | High-performance conductive paper and preparation method thereof | |
| CN105131850A (en) | Self-adhesive and environment-friendly damping rubber plate and preparation method therefor | |
| CN108912597A (en) | A kind of antistatic phenolaldehyde moulding compound | |
| CN214449077U (en) | Graphitized carbon fiber composite hard felt | |
| CN104059323A (en) | Air conditioner chassis consisting of basalt fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190611 |
|
| WD01 | Invention patent application deemed withdrawn after publication |