CN204257218U - A kind of pipeline nuclear radiation shield bandage - Google Patents
A kind of pipeline nuclear radiation shield bandage Download PDFInfo
- Publication number
- CN204257218U CN204257218U CN201420595229.XU CN201420595229U CN204257218U CN 204257218 U CN204257218 U CN 204257218U CN 201420595229 U CN201420595229 U CN 201420595229U CN 204257218 U CN204257218 U CN 204257218U
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- Prior art keywords
- fiber
- radiation protection
- pipeline
- nuclear
- sandwich layer
- 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.)
- Expired - Lifetime
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- 230000005855 radiation Effects 0.000 title claims abstract description 102
- 239000000835 fiber Substances 0.000 claims abstract description 116
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 15
- 229910000978 Pb alloy Inorganic materials 0.000 claims abstract description 12
- 239000004917 carbon fiber Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 9
- 229910001362 Ta alloys Inorganic materials 0.000 claims abstract description 9
- 238000009954 braiding Methods 0.000 claims abstract description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 8
- 230000002787 reinforcement Effects 0.000 claims abstract description 7
- 239000004952 Polyamide Substances 0.000 claims abstract description 6
- 239000004734 Polyphenylene sulfide Substances 0.000 claims abstract description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 6
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 5
- 229920002647 polyamide Polymers 0.000 claims abstract description 5
- 229920000069 polyphenylene sulfide Polymers 0.000 claims abstract description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 4
- 238000009941 weaving Methods 0.000 claims abstract description 3
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 229920004934 Dacron® Polymers 0.000 abstract description 2
- 238000005202 decontamination Methods 0.000 abstract description 2
- 230000003588 decontaminative effect Effects 0.000 abstract description 2
- 239000003063 flame retardant Substances 0.000 abstract description 2
- 239000004519 grease Substances 0.000 abstract description 2
- 239000005020 polyethylene terephthalate Substances 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 6
- 238000007731 hot pressing Methods 0.000 description 6
- 238000009940 knitting Methods 0.000 description 6
- 230000002285 radioactive effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000003460 anti-nuclear Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000005355 lead glass Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005025 nuclear technology Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Landscapes
- Woven Fabrics (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model relates to a kind of pipeline nuclear radiation shield bandage, comprises radiation protection inner sandwich layer and clad, and radiation protection inner sandwich layer is encapsulated in the middle of two pieces of clads, and radiation protection inner sandwich layer is formed by radiation protection composition fiber longitude and latitude or 3 D weaving; Radiation protection composition fiber is formed through automatic cored braiding by metal inside fiber and core-spun fiber, metal inside fiber at least comprises a lead alloy fiber or tungalloy fiber or tantalum alloy fiber, and core-spun fiber is carbon fiber or hdpe fiber or polytetrafluoroethylene fibre or polyphenylene sulfide fibre or polyamide fibre or dacron; Clad to be rolled through heat by thermoplastic resin and the netted cloth of reinforcement fibers that is positioned at described thermoplastic resin inside and is composited.This nuclear radiation protection bandage has excellent nuclear radiation protection performance, can possess the several functions such as fire-retardant, grease proofing, anti-puncture, easy decontamination, be applicable to the special-shaped component such as pipeline, valve, can be widely used in the fields such as nuclear power station, hospital, military nuclear armament.
Description
Technical field
The utility model relates to technical field of nuclear radiation protection, particularly relates to a kind of pipeline nuclear radiation shield bandage.
Background technology
Nuclear science technology has been widely used in multiple fields such as national defence, the energy, industry, medical treatment, bring huge economic and social benefit, too increase people and contact various radiation and the chance threatened by it, nuclear and radiation safety problem is outstanding day by day and receive much concern.Radiation protection material is the key ensureing radiation place staff and public security with equipment, is also the effective means dissolving nuclear accident crisis, is the important leverage of military and civilian radiological safety protection, has active demand.
Because lead has good nuclear radiation protection effect and lower cost, be widely applied in nuclear radiation protection field.China have accumulated certain technology and experience in conventional radiation protective materials, but far can not meet the new demand that current nuclear technology and nuclear industry develop safely and fast.Stereotype, lead brick etc. generally provide stationary radiation to protect as protection body of wall or nuclear facilities main body, do not possess movability.Lead shield, stereotype, lead glass etc. also can be applied to the place that moving protection body maybe needs to provide temporarily protection, but radiation leakage has a big risk, builds that difficulty is high, utilization factor is low, suitable type is poor, is not suitable with the radiation protection of the special-shaped components such as pipeline valve.Based on the flexible protective of lead powder rubber screen, protective clothing etc., possess that removable and detachability is strong, the advantage of good leak tightness, but protection efficiency low (linear attenuation coefficient is little), poor stability (matrix easily aging, lead powder easily comes off), recycling rate of waterused are low (repeatedly after folding use, folding line place is damaged), use cost high (for guaranteeing the validity of protecting, need frequently change).Above-mentioned deficiency will be overcome based on the pipeline nuclear radiation protection bandage with the metal fibre of radiation protection function, be more suitable for the radiation protection of the special-shaped component such as pipeline, valve.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, proposes a kind of pipeline nuclear radiation shield band, can be widely used in the fields such as nuclear power station, hospital, military nuclear armament.
The technical matters that the utility model solves is realized by following scheme: a kind of pipeline nuclear radiation shield bandage, comprise radiation protection inner sandwich layer and clad, described radiation protection inner sandwich layer is encapsulated in the middle of described two pieces of clads, and described radiation protection inner sandwich layer is formed by radiation protection composition fiber longitude and latitude or 3 D weaving; Described radiation protection composition fiber is formed through automatic cored braiding by interior core fibre and core-spun fiber, described interior core fibre at least comprises a lead alloy fiber or tungalloy fiber or tantalum alloy fiber, and described core-spun fiber is carbon fiber or hdpe fiber or polytetrafluoroethylene fibre or polyphenylene sulfide fibre or polyamide fibre or dacron; Described clad to be rolled through heat by thermoplastic resin and the netted cloth of reinforcement fibers that is positioned at described thermoplastic resin inside and is composited.
In such scheme, described radiation protection inner sandwich layer (1) is one or more layers.
In such scheme, the thickness range of described radiation protection inner sandwich layer is 0.03 ㎜-10 ㎜, and require product thickness according to client and produce, one deck is 0.03 ㎜, MULTILAYER COMPOSITE, maximal value 10 ㎜, and the thickness of described clad is no more than 3mm.
In such scheme, the thickness of described netted cloth of reinforcement fibers is no more than 1mm.
In such scheme, the diameter range of described radiation protection composition fiber is 0.03 ㎜-0.6 ㎜.
In such scheme, the diameter of described interior core fibre is 0.02 ㎜-0.5 ㎜; The radical of described core-spun fiber is 16-32, and the diameter of described core-spun fiber is 100-150D.
In such scheme, described thermoplastic resin is polyurethane or Polyvinylchloride, and described netted cloth of reinforcement fibers is nylon or carbon fiber.
In such scheme, the width of described pipeline nuclear radiation shield band is 50 ㎜-200 ㎜, and thickness is 0.1 ㎜-80 ㎜.
In such scheme, the unit D of appearance is DENIER(danier) abbreviation, be a kind of fineness expression of man-made fiber, refer to the weight grams of the silk of 9000 meters long when official regain, also referred to as dawn number.D is larger, represents that yarn is thicker.
A kind of method making multilayer radiation protection inner sandwich layer, it is characterized in that, respectively with multifunctional binder by every block radiation protection inner sandwich layer block-by-block coating, flexible metal inner core block-by-block overlap after every block coating is placed in the wooden model of, under hot press effect, compacting is dried, thus forms multilayer radiation protection inner sandwich layer.
The beneficial effects of the utility model are: this pipeline nuclear radiation protection bandage has excellent nuclear radiation protection performance and good flexibility, its protection effect regulates by optimizing metallic alloy fiber silk composition, it can possess anti-nuclear radiation, anti-electromagnetic radiation and anti-static electrification simultaneously, also can possess the several functions such as fire-retardant, grease proofing, easy decontamination, be applicable to the radiation protection of the special-shaped component such as pipeline, valve, the fields such as nuclear power station, hospital, military nuclear armament can be widely used in.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail.
Fig. 1 is pipeline nuclear radiation shield bandage schematic cross-section of the present utility model.
In figure: 1, radiation protection inner sandwich layer; 2, clad.
Embodiment
Below by the mode of embodiment, technical solutions of the utility model are described in detail, but protection domain of the present utility model is not limited to described embodiment.
embodiment 1
To choose 1 diameter be the lead alloy fiber of 0.4mm as interior core fibre, 16 diameters is
150Dcarbon fiber as core-spun fiber, carry out automatic cored braiding obtain lead alloy fiber/carbon fiber composition fiber silk that diameter is 0.5 ㎜.On automatic longitude and latitude or three dimensional knitting machine, lead alloy fiber/carbon fiber composition fiber silk is carried out longitude and latitude interlacing and form the radiation protection inner sandwich layer 1 that thickness is 1.5mm.Be that two layers of thermoplastic polyurethane put into by the netlike carbon fiber cloth of 0.3mm by thickness, hot pressing forms the clad 2 that thickness is 0.5mm.Be that the radiation protection inner sandwich layer 1 of 1.5mm is clipped in the middle of clad 2 that two pieces of thickness are 0.5mm and carries out secondary encapsulation by above-mentioned thickness, make the pipeline nuclear radiation shield bandage that thickness is 2.5mm.NaI spectrometer is tested its radiation protection performance, and radioactive source selects Cs-137.After tested, thickness is the pipeline nuclear radiation shield bandage of 2.5mm, and its radiation protection ability is 1.4mmPb.
embodiment 2
Interior core fibre chooses the tantalum alloy fiber that lead alloy fiber that 1 diameter is 0.3mm and 1 diameter are 0.1mm; Core-spun fiber selects 16 diameters to be
150Dpolyamide fibre, warp
automatic cored braidingobtain lead alloy fiber/tantalum alloy fiber/polyamide fibre composition fiber silk that diameter is 0.5mm.On automatic longitude and latitude or three dimensional knitting machine, lead alloy fiber/tantalum alloy fiber/polyamide fibre composition fiber silk is carried out longitude and latitude interlacing and form the radiation protection inner sandwich layer 1 that thickness is 1.5mm.Be that the netted nylon cloth of 0.3mm puts into two layers of thermoplastic Polyvinylchloride by thickness, hot pressing forms the clad 2 that thickness is 0.6mm.Be that the radiation protection inner sandwich layer 1 of 1.5mm is clipped in the middle of clad 2 that two pieces of thickness are 0.6mm and carries out secondary encapsulation by above-mentioned thickness, make the pipeline nuclear radiation shield bandage that thickness is 2.7mm.NaI spectrometer is tested its radiation protection performance, and radioactive source selects Cs-137.After tested, thickness is the pipeline nuclear radiation shield bandage of 2.7mm, and its radiation protection ability is 1.5mmPb.
embodiment 3
Interior core fibre chooses the tungalloy fiber that 1 diameter is 0.4mm, and core-spun fiber selects 16 diameters to be
150Dhdpe fiber, obtain through the braiding of automatic cored tungalloy fiber/hdpe fiber composition fiber silk that diameter is 0.5mm.On automatic longitude and latitude or three dimensional knitting machine, tungalloy fiber/hdpe fiber composition fiber silk is carried out longitude and latitude interlacing and form the radiation protection inner sandwich layer 1 that thickness is 1.5mm.Be that two layers of thermoplastic polyurethane put into by the netlike carbon fiber cloth of 0.3mm by thickness, hot pressing forms the clad 2 that thickness is 0.6mm.Be that the radiation protection inner sandwich layer 1 of 1.5mm is clipped in the middle of clad 2 that two pieces of thickness are 0.6mm and carries out secondary encapsulation by thickness, make the pipeline nuclear radiation shield bandage that thickness is 2.7mm.NaI spectrometer is tested its radiation protection performance, and radioactive source selects Cs-137.After tested, thickness is the pipeline nuclear radiation shield bandage of 2.7 mm, and its radiation protection ability is 1.6mmPb.
embodiment 4
Interior core fibre chooses the lead alloy fiber that 1 diameter is 0.6mm; Core-spun fiber selects 32 diameters to be
100Dpolytetrafluoroethylene fibre, warp
automatic cored braidingobtain lead alloy fiber/polytetrafluoroethylene fibre composition fiber silk that diameter is 0.7mm.On automatic longitude and latitude or three dimensional knitting machine, lead alloy fiber/polytetrafluoroethylene fibre composition fiber silk is carried out longitude and latitude interlacing and form the radiation protection inner sandwich layer that thickness is 2mm, then be the radiation protection inner sandwich layer of 2mm by 5 pieces of thickness, use multifunctional binder block-by-block coating respectively, flexible metal inner core block-by-block overlap after every block coating is placed in a special wooden model, under the hot press effect of temperature 300 degree, pressure 300 tons, compacting is dried, and forms the radiation protection inner sandwich layer 1 that thickness is 10mm; Be that the netted nylon cloth of 1mm puts into two layers of thermoplastic Polyvinylchloride by thickness, hot pressing forms the clad 2 that thickness is 1.5mm.Be that the radiation protection inner sandwich layer of 10mm is clipped in the middle of clad 2 that two pieces of thickness are respectively 1.5mm and carries out secondary encapsulation by above-mentioned thickness, make the pipeline nuclear radiation shield band that thickness is 13mm.NaI spectrometer is tested its radiation protection performance, and radioactive source selects Cs-137.After tested, thickness is the pipeline nuclear radiation shield bandage of 13mm, and its radiation protection ability is 9.9mmPb.
embodiment 5
Interior core fibre chooses the tantalum alloy fiber that 1 diameter is 0.01mm; Core-spun fiber selects 16 diameters to be
100Dpolyphenylene sulfide fibre, warp
automatic cored braidingobtain tantalum alloy fiber/polyphenylene sulfide fibre composition fiber silk that diameter is 0.015mm.On automatic longitude and latitude or three dimensional knitting machine, tantalum alloy fiber/polyphenylene sulfide fibre composition fiber silk is carried out longitude and latitude interlacing and form the radiation protection inner sandwich layer 1 that thickness is 0.03mm.Be that the netted nylon cloth of 0.2mm puts into two layers of thermoplastic Polyvinylchloride by thickness, hot pressing forms the clad 2 that thickness is 0.3mm.Be that the radiation protection inner sandwich layer 1 of 0.03mm is clipped in the middle of clad 2 that two pieces of thickness are 0.3mm and carries out secondary encapsulation by above-mentioned thickness, make the pipeline nuclear radiation shield band that thickness is 0.63mm.NaI spectrometer is tested its radiation protection performance, and radioactive source selects Cs-137.After tested, thickness is the pipeline nuclear radiation shield band of 0.63mm, and its radiation protection ability is 0.04mmPb.
embodiment 6
Interior core fibre chooses the tungalloy fiber that 1 diameter is 0.2mm, and core-spun fiber selects 16 diameters to be
150Dpolyester of high density fiber, obtain through the braiding of automatic cored tungalloy fiber/polyester of high density fiber composite filament that diameter is 0.3mm.On automatic longitude and latitude or three dimensional knitting machine, tungalloy fiber/polyester of high density fiber composite filament is carried out longitude and latitude interlacing and form the radiation protection inner sandwich layer that thickness is 1mm, then be the flexible metal inner core of 1mm by 5 pieces of thickness, use multifunctional binder block-by-block coating respectively, flexible metal inner core block-by-block overlap after every block coating is placed in a special wooden model, under the hot press effect of temperature 300 degree, pressure 300 tons, compacting is dried, and forms the radiation protection inner sandwich layer 1 that thickness is 5mm; .Be that two layers of thermoplastic polyurethane put into by the netlike carbon fiber cloth of 0.3mm by thickness, hot pressing forms the clad 2 that thickness is 0.5mm.Be that the radiation protection inner sandwich layer 1 of 5mm is clipped in the middle of clad 2 that two pieces of thickness are respectively 0.5mm and carries out secondary encapsulation by thickness, make the pipeline nuclear radiation shield band that thickness is 6 mm.NaI spectrometer is tested its radiation protection performance, and radioactive source selects Cs-137.After tested, thickness is the pipeline nuclear radiation shield bandage of 6mm, and its radiation protection ability is 5.3mmPb.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a pipeline nuclear radiation shield bandage, it is characterized in that: comprise radiation protection inner sandwich layer (1) and clad (2), described radiation protection inner sandwich layer (1) is encapsulated in the middle of described two pieces of clads (2), and described radiation protection inner sandwich layer is formed by radiation protection composition fiber longitude and latitude or 3 D weaving; Described radiation protection composition fiber is formed through automatic cored braiding by metal inside fiber and core-spun fiber, described metal inside fiber at least comprises a lead alloy fiber or tungalloy fiber or tantalum alloy fiber, and described core-spun fiber is carbon fiber or hdpe fiber or polytetrafluoroethylene fibre or polyphenylene sulfide fibre or polyamide fibre or polyester of high density fiber; Described clad to be rolled through heat by thermoplastic resin and the netted cloth of reinforcement fibers that is positioned at described thermoplastic resin inside and is composited.
2. a kind of pipeline nuclear radiation shield bandage according to claim 1, is characterized in that: described radiation protection inner sandwich layer (1) is one or more layers.
3. a kind of pipeline nuclear radiation shield bandage according to claim 2, is characterized in that: the thickness of described radiation protection inner sandwich layer (1) is 0.03 ㎜-10 ㎜, and the thickness of described clad (2) is no more than 3mm.
4. a kind of pipeline nuclear radiation shield bandage according to claim 3, is characterized in that: the thickness of described netted cloth of reinforcement fibers is no more than 1mm.
5. a kind of pipeline nuclear radiation shield bandage according to claim 3 or 4, is characterized in that: the diameter of described radiation protection composition fiber is 0.03 ㎜-0.6 ㎜.
6. a kind of pipeline nuclear radiation shield bandage according to claim 5, is characterized in that: the diameter of described metal inside fiber is 0.02 ㎜-0.5 ㎜; The radical of described core-spun fiber is 16-32, and the diameter of described core-spun fiber is 100-150D.
7. a kind of pipeline nuclear radiation shield bandage according to claim 1 or 2 or 3 or 4 or 6, it is characterized in that: described thermoplastic resin is polyurethane or Polyvinylchloride, described netted cloth of reinforcement fibers is nylon cloth or carbon cloth.
8. a kind of pipeline nuclear radiation shield bandage according to claim 1 or 2 or 3 or 4 or 6, is characterized in that: the width of described pipeline nuclear radiation shield band is 50 ㎜-200 ㎜, and thickness is 0.1 ㎜-80 ㎜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595229.XU CN204257218U (en) | 2014-10-15 | 2014-10-15 | A kind of pipeline nuclear radiation shield bandage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595229.XU CN204257218U (en) | 2014-10-15 | 2014-10-15 | A kind of pipeline nuclear radiation shield bandage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204257218U true CN204257218U (en) | 2015-04-08 |
Family
ID=52961501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420595229.XU Expired - Lifetime CN204257218U (en) | 2014-10-15 | 2014-10-15 | A kind of pipeline nuclear radiation shield bandage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204257218U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361919A (en) * | 2014-10-15 | 2015-02-18 | 扬州锦江有色金属有限公司 | Pipeline nuclear radiation shielding bandage |
| WO2020010953A1 (en) * | 2018-07-12 | 2020-01-16 | 同方威视技术股份有限公司 | Shielding structure and safety inspection channel of safety inspection device |
-
2014
- 2014-10-15 CN CN201420595229.XU patent/CN204257218U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361919A (en) * | 2014-10-15 | 2015-02-18 | 扬州锦江有色金属有限公司 | Pipeline nuclear radiation shielding bandage |
| WO2020010953A1 (en) * | 2018-07-12 | 2020-01-16 | 同方威视技术股份有限公司 | Shielding structure and safety inspection channel of safety inspection device |
| US11385377B2 (en) | 2018-07-12 | 2022-07-12 | Nuctech Company Limited | Shielding structure of safety inspection equipment and safety inspection channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212322 Jiangsu Yangzhou Gaoyou city Linze town industrial concentration area Patentee after: Yangzhou brocade technology Co., Ltd. Address before: 212322 Jiangsu Yangzhou Gaoyou city Linze town industrial concentration area Patentee before: Yangzhou Jinjiang Nonferrous Metal Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |