CN209670097U - A kind of steel member surface heavy antisepsis seals the enclosed structure that is wrapped - Google Patents
A kind of steel member surface heavy antisepsis seals the enclosed structure that is wrapped Download PDFInfo
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- CN209670097U CN209670097U CN201920093591.XU CN201920093591U CN209670097U CN 209670097 U CN209670097 U CN 209670097U CN 201920093591 U CN201920093591 U CN 201920093591U CN 209670097 U CN209670097 U CN 209670097U
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- adhesive tape
- enclosed structure
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 230000003260 anti-sepsis Effects 0.000 title claims abstract description 21
- 239000010410 layer Substances 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 239000002390 adhesive tape Substances 0.000 claims abstract description 26
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 239000004922 lacquer Substances 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims description 17
- 239000002344 surface layer Substances 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 description 35
- 229920002620 polyvinyl fluoride Polymers 0.000 description 21
- 230000007797 corrosion Effects 0.000 description 15
- 239000000565 sealant Substances 0.000 description 13
- 238000010276 construction Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 10
- 238000000576 coating method Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 239000011505 plaster Substances 0.000 description 7
- 239000003707 silyl modified polymer Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 239000006071 cream Substances 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000011152 fibreglass Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 229940099259 vaseline Drugs 0.000 description 3
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 150000002632 lipids Chemical class 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001474374 Blennius Species 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 239000004526 silane-modified polyether Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The utility model discloses a kind of steel member surface heavy antisepsis and seals the enclosed structure that is wrapped, treated, and interior sealing protection layer is used above in base layer, external seal protective layer and PVF adhesive tape are wrapped layer or aqueous weather-proof lacquer coat, design brevity and lucidity, anodic protection and shield gasket work well, the Comprehensive Characteristics of high durable fouling resistance and clean and environmental protection, it can be in heavily contaminated chemical environment, marine environment, the steel member to work under the special harsh corrosive environment such as ocean submerged zone provides the protection service life of 20a or more, fundamentally solves chemical plant, the frequent maintenance problem of the field faces such as ocean engineering.
Description
Technical field
The utility model relates to steel structure surface corrosion protection technologies, and in particular to a kind of sealing of steel member surface heavy antisepsis
Be wrapped enclosed structure, belongs to antiseptic project technical field.
Background technique
Real-life metallurgy petroleum chemical enterprise, ocean engineering steel construction are all in very high corrosion rank C5 and extreme corrosive
In rank CX environment.Very under high corrosion rank environment, paint anticorrosion coat system even electric arc spraying anode metal is compound
Coating is also difficult meet demand, and a large amount of corrosion failure phenomenons has occurred in early stage structural steelwork, continues to give maintenance processing.
It is a kind of novel anticorrosion technology occurred in recent years, nineteen twenty-five Britain's invention vaseline antirust band that cladding, which coats aseptic technic,
(Denso), the Japanese sixties in last century introduce the technology after vaseline antirust band+synthetic rubber is developed in the seventies later period
Sheath guard technology (Denso-EPT), vaseline antirust band+fiberglass sheath guard technology (Denso-FRP), through continuously improving 80
PTC method anticorrosion new technology is formd at the beginning of age, it using anti-corrosion plaster and anti-corrosion belt as anti-corrosion protection applying material, be wrapped in
On steel iron facilities surface, polyethylene and glass reinforced plastic or reinforced glass fiber reinforced plastic corrosion protection cover are coated on as external protection coating
Steel iron facilities outer surface reaches long life anti corrosion effect, while glass outer steel protective cover can protect anti-corrosion belt, reach
Better protecting effect.The relevant technologies are such as: CN101078124 issues a kind of steel being arranged in ocean, lake and river
Coating and anti-corrosion method, the mineral lipid anticorrosion material in steel surface coating paste, and winding of band-type above it first
Mineral lipid anti-corrosion belt, later further with by protective cover and plastic foam material or rubber that the protection cover inner surface is arranged in
The padded coaming that glue is constituted is coated；CN105949890 invents a kind of cladded type electrical grid outdoor installation and its preparation side
Method forms comprehensive packet using Oxidation polymerization type anti-corrosion plaster, anti-daub and anti-corrosion belt, Oxidation polymerization type anti-corrosion plaster anti-corrosion belt
Cover type anti-corrosion method；CN106967982 invent it is a kind of in marine environment wind power plant Wind turbines support construction it is efficient anti-
Rotten method, steel construction are successively surface-treated, and anti-corrosion plaster is smeared, and paste anti-corrosion belt, coat shield, coat gel coat-glue
It is made of, is realized to its efficient corrosion resisting unsaturated polyester resin, promotor, curing agent and pigment.PCT construction technology construction technology
Mainly in four steps: 1, being surface-treated: removing steel surface shellfish, seaweed, planktonic organism, floating rust etc., meet ISOSt2 mark
Alignment request.2, it applies anti-corrosion plaster: uniformly smearing the dedicated anti-corrosion plaster of PTC in steel structure surface.3, anti-corrosion belt is wound: dedicated using PTC
Anti-corrosion belt, section start twine two layers, are then sequentially overlapped 1/2, guarantee has 2 layers or more anti-corrosion belt coverings everywhere.4, fixed protection
Cover: shield is fixed on steel construction facility, and with bolt fastening, both ends apply solidified resin in water shutoff, and construction is completed.On
Good protection effect is obtained since stating enclosed structure and Technique Popularizing application, but there is also some problems, anti-corrosion plaster lotion tools
Have certain mobility, with after substrate contact do not have adhesive strength；Anti-corrosion belt is also the same in this way, only investing by the effect system that is wrapped
Matrix surface, and surface layer armor, sheath or polyester resin gel coat, the protection that durability can not meet engineering 20a or more are wanted
It asks, and on-site personnel labor intensity is larger, cost is higher, when for large-size components, big plane or abnormity component, on
It is all the more prominent to state problem.
Summary of the invention
For prior art development and its there are many technical problems, invent a kind of sealing of steel member surface heavy antisepsis
Be wrapped enclosed structure, and steel construction matrix handles surface: first removing the original failed corrosion protection structure of steel construction matrix, so
Its surface corrosion object and other pollutants are cleaned using manually or mechanically mode afterwards, surface cleanness reaches Sa2 grades or same journey
Degree；
The utility model is achieved by the following technical solution, and a kind of heavy antisepsis sealing in steel member surface, which is wrapped, safeguards knot
Structure, including steel member matrix；
Heavy antisepsis seals the enclosed structure that is wrapped, and is equipped with several layers encapsulated by structures on steel member matrix, the several layers
Structure includes: interior sealing protection layer, external seal protective layer, surface layer from the inside to the outside；
The interior sealing protection layer, average thickness 0.05-0.5mm；
The external seal protective layer, average thickness 0.1-2mm；
The surface layer is that PVF adhesive tape is wrapped layer or aqueous weather-proof lacquer coat, the aqueous preferable water-based fluorocarbon finishing coat of weather-resisant paint
Or aqueous silicone covering lacquer
A kind of optimization side for the enclosed structure that is wrapped is sealed as a kind of steel member surface heavy antisepsis described in the utility model
Case: the PVF adhesive tape is wrapped layer, and by PVF adhesive tape spiral winding, and adjacent PVF adhesive tape overlapping widths are PVF adhesive tape bandwidth
10-50%, with a thickness of 0.125-0.5mm.
A kind of optimization side for the enclosed structure that is wrapped is sealed as a kind of steel member surface heavy antisepsis described in the utility model
Case: the thickness of the aqueous weather-proof lacquer coat is not less than 0.07mm.
Above-mentioned interior sealing protection layer is scratched using the unvulcanised silane modified polymer zinc powder cream of the prior art,
It can be prepared using solvent-free sprayable sealant spraying or brushing, spary coating type sealant is especially suitable for large area, abnormity
Realize quick closure in the surface of steel member；
Above-mentioned external seal protective layer is scratched using the prior art or solvent-free or aqueous sealant, is preferably had
Resistance erosion, heat-resisting, weather resistance silane modified polymer class sealant.
Above-mentioned external seal protection layer surface can also be weather resistant water-thinned lacquer coat, and thickness is not less than 0.07mm.
The above-mentioned PVF adhesive tape layer that is wrapped is closely wound using PVF adhesive tape or pastes formation；PVF adhesive tape spiral twines forward
Around when its overlapping widths be adhesive tape bandwidth 10-50%.
Silane modified polymer sealing compound, sealant, sealant and similar various resistance erosion type products emerge in large numbers one after another at present,
As CN106700940 discloses a kind of unvulcanised silane modified polymer zinc powder cream；Chinese patent CN101906247 discloses one
Kind corrosion inhibiting sealant,；CN10355525 discloses a kind of sprayable brush-on-type elastic water-proof sealant；CN102383619 discloses one
A kind of silane-terminated polyether is invented in the method for Tidal zone and the processing of splash zone concrete member corrosion prevention under kind marine environment
Sealant；CN101906246 discloses a kind of single-component heat resistant type silane modified polyether sealant etc..
Above-mentioned PVF adhesive tape is polyvinyl fluoride thin film adhesive tape, and band is extruded from by the copolymer of fluorine and fluorocarbon molecule, is had
Crystal structure, high electrical insulation performance, high toughness, good chemical product, anti-aging and corrosion resistance, PVF film counterglow,
Chemical solvent, acid and alkali corrosion, moisture and oxidation resistance and durability improve it is significant.
This structure can be used for chemical plant internal unit, pipeline, pipe fitting, workshop steel structure, and sea is bordered on the sea, coastal all kinds of steel
The steel that Structural Engineering and harbour, harbour, Oversea bridge, offshore wind farm, the offshore drilling platform etc. of Tidal zone work use
The maintenance of the steel structure surfaces such as stake, steel-pipe pile is handled.
Beneficial effect
The utility model steel member heavy antisepsis sealing be wrapped enclosed structure using interior sealing protection layer, external seal protective layer with
PVF adhesive tape, each structure sheaf are tightly combined, coordinate, and shielding, weatherability significantly improve, using unvulcanised silane modified polymer
Zinc powder cream can also take low prepared surface mode as interior sealing protection layer, and entire maintaining method can realize the initial maintenance service life
20a or more, even more than 30a；This structure process is succinct efficiently, does not use coatings volatile organic compounds, environmentally protective, also gives full play to PVF
The product excellent properties of adhesive tape and the convenience of construction, do not need later maintenance substantially, have significantly saved maintenance cost, have substantially mentioned
The economic and social benefits of high steel member operation.
For Tidal zone special operation condition, this structure can realize rapid construction, and completion is entire close within a tidal range time
The upkeep operation that is wrapped is sealed, not only ensure that upkeep operation quality, also significant decrease maintenance cost.
The utility model enclosed structure preparation process is convenient, energy saving, reliable, and entire inventive structure has excellent sealed screen
Anodic protection performance is covered, the durable protection to steel member under harsh corrosive environment is realized；Entire technology green clean and environmental protection, makes
Valence is low and energy conservation and consumption reduction effects are significant, and economic and social profit is significant, has good future in engineering applications.
Detailed description of the invention
Fig. 1 is that the steel member surface heavy antisepsis of the utility model seals the enclosed structure schematic diagram that is wrapped；
In figure: 1- steel member matrix；Sealing protection layer in 2-；3- external seal protective layer；4- surface layer.
Specific embodiment
The embodiment of the utility model and effect are furtherd elucidate below with reference to embodiment:
Embodiment 1
Enclosed structure, including steel member matrix 1 as shown in Figure 1, a kind of heavy antisepsis sealing in steel member surface is wrapped；Its feature
It is:
Heavy antisepsis seals the enclosed structure that is wrapped, and is equipped with several layers encapsulated by structures on steel member matrix 1, the several layers
Structure includes: interior sealing protection layer 2, external seal protective layer 3, surface layer 4 from the inside to the outside；
The interior sealing protection layer 2, average thickness 0.05-0.5mm；
The external seal protective layer 3, average thickness 0.1-2mm；
The surface layer 4 is that PVF adhesive tape is wrapped layer or aqueous weather-proof lacquer coat.
The PVF adhesive tape is wrapped layer, and by PVF adhesive tape spiral winding, and adjacent PVF adhesive tape overlapping widths are PVF glue
10-50% with bandwidth, with a thickness of 0.125-0.5mm.
Embodiment 2
Enclosed structure, including steel member matrix 1 as shown in Figure 1, a kind of heavy antisepsis sealing in steel member surface is wrapped；Its feature
It is:
Heavy antisepsis seals the enclosed structure that is wrapped, and is equipped with several layers encapsulated by structures on steel member matrix 1, the several layers
Structure includes: interior sealing protection layer 2, external seal protective layer 3, surface layer 4 from the inside to the outside；
The interior sealing protection layer 2, average thickness 0.05-0.5mm；
The external seal protective layer 3, average thickness 0.1-2mm；
The surface layer 4 is that PVF adhesive tape is wrapped layer or aqueous weather-proof lacquer coat.
The thickness of the aqueous weather-proof lacquer coat is not less than 0.07mm.
Embodiment 3
Certain petrochemical plant steel member surface heavy antisepsis seals the enclosed structure preparation method that is wrapped, and steps are as follows:
The processing of first step matrix
The paint anticorrosion coat that first the original peeling that failed of steel member matrix 1 is fallen off is removed, and manual polishing cleans it
Surface corrosion object and other pollutants, surface cleanness reach St3 grades；
Second step prepares interior sealing protection layer
After matrix surface cleaning is dry, the unvulcanised silane modified polymer zinc powder cream of one layer of prior art is scratched immediately,
And by 1 surface of steel member matrix because caused by corrosion etch pit, defect, rough surface fill and lead up, formed in sealing protection layer 2, it is average
Thickness about 0.1-0.3mm；
Third step prepares external seal protective layer
After the completion of interior 2 operation of sealing protection layer, 1h is stood, it is silane-modified that existing resistance erosion is scratched on interior sealing protection layer 2
Polymeric sealant forms external seal protective layer 3, average thickness 0.5-2mm；
4th step prepares aqueous weather-proof lacquer coat
After for 24 hours, 2 existing aqueous fluorine-carbon paints are brushed in outer sealing protection layer surface, aqueous fluorine-carbon paint total coating thickness is flat
About 0.08mm.
Embodiment 4
Certain sea port dock steel-pipe pile surface anticorrosion seals the enclosed structure preparation method that is wrapped:
The first step, pile body processing
It is selected in tidewater to increase to before a high position, by the original failed heavy antisepsis in steel-pipe pile (referring to steel member matrix 1) surface
Coating is rooted out, and test sanding machine polishing removes steel-pipe pile surface corrosion object, local marine growth, moss etc., and surface cleanness reaches
St3 grades, processing lower portion is close to low tide, beyond design and construction line range about 300mm；
Second step prepares interior sealing protection layer
It is silane-modified poly- to spray existing coating character less than 1% immediately for steel-pipe pile surface moisture content after measuring grinding process
Object sealant is closed, and by steel member surface because filling and leading up at uneven, interior sealing protection layer average thickness 0.2-0.4mm；
Third step prepares external seal protective layer
After the completion of interior sealing protection layer operation, about 1h is stood, existing resistance erosion vulcanization type silicon is scratched on interior sealing protection layer
The polymer-modified sealant of alkane, the modification of piling bar face seal glue-line is mellow and full, forms external seal protective layer, average thickness 0.5-1mm；
4th step prepares the layer that is wrapped
After the completion of external seal protective layer, 4h is stood, the PVF adhesive tape that is wrapped forms the layer that is wrapped, and the band that is wrapped is existing E.I.Du Pont Company
PVF product, 0.125mm after adhesive tape band, be wrapped a layer adjacent regions overlapping 10%, thickness about 0.125mm.
Claims (3)
- Enclosed structure, including steel member matrix (1) 1. a kind of heavy antisepsis sealing in steel member surface is wrapped；It is characterized by:Heavy antisepsis seals the enclosed structure that is wrapped, and is equipped with several layers structure and is coated on steel member matrix (1), the several layers knot Structure includes: interior sealing protection layer (2), external seal protective layer (3), surface layer (4) from the inside to the outside；The interior sealing protection layer (2), average thickness 0.05-0.5mm；The external seal protective layer (3), average thickness 0.1-2mm；The surface layer (4) is that PVF adhesive tape is wrapped layer or aqueous weather-proof lacquer coat.
- The enclosed structure 2. heavy antisepsis sealing in a kind of steel member surface according to claim 1 is wrapped, it is characterised in that: described PVF adhesive tape is wrapped layer, and by PVF adhesive tape spiral winding, and adjacent PVF adhesive tape overlapping widths are the 10- of PVF adhesive tape bandwidth 50%, with a thickness of 0.125-0.5mm.
- The enclosed structure 3. heavy antisepsis sealing in a kind of steel member surface according to claim 1 is wrapped, it is characterised in that: described The thickness of aqueous weather-proof lacquer coat is not less than 0.07mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920093591.XU CN209670097U (en) | 2019-01-21 | 2019-01-21 | A kind of steel member surface heavy antisepsis seals the enclosed structure that is wrapped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920093591.XU CN209670097U (en) | 2019-01-21 | 2019-01-21 | A kind of steel member surface heavy antisepsis seals the enclosed structure that is wrapped |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209670097U true CN209670097U (en) | 2019-11-22 |
Family
ID=68566242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920093591.XU Active CN209670097U (en) | 2019-01-21 | 2019-01-21 | A kind of steel member surface heavy antisepsis seals the enclosed structure that is wrapped |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209670097U (en) |
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- 2019-01-21 CN CN201920093591.XU patent/CN209670097U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A heavy anti-corrosion sealing wrapping maintenance structure for steel member surface Effective date of registration: 20211124 Granted publication date: 20191122 Pledgee: Industrial Bank Co.,Ltd. Shanghai Hongkou sub branch Pledgor: SHANGHAI QIHAI ANTI-CORROSION ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: Y2021980013286 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231117 Granted publication date: 20191122 Pledgee: Industrial Bank Co.,Ltd. Shanghai Hongkou sub branch Pledgor: SHANGHAI QIHAI ANTI-CORROSION ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: Y2021980013286 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A maintenance structure for heavy-duty anti-corrosion sealing and wrapping on the surface of steel components Effective date of registration: 20231122 Granted publication date: 20191122 Pledgee: Industrial Bank Co.,Ltd. Shanghai Hongkou sub branch Pledgor: SHANGHAI QIHAI ANTI-CORROSION ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: Y2023310000760 |