CN203950602U - Optical fiber composite fire cable - Google Patents
Optical fiber composite fire cable Download PDFInfo
- Publication number
- CN203950602U CN203950602U CN201420251604.9U CN201420251604U CN203950602U CN 203950602 U CN203950602 U CN 203950602U CN 201420251604 U CN201420251604 U CN 201420251604U CN 203950602 U CN203950602 U CN 203950602U
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- Prior art keywords
- layer
- cable
- flame retardant
- optical fiber
- core
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 16
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 239000010410 layer Substances 0.000 claims abstract description 67
- 238000000576 coating method Methods 0.000 claims abstract description 40
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000003063 flame retardant Substances 0.000 claims abstract description 39
- 239000011248 coating agent Substances 0.000 claims abstract description 37
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 20
- 239000001301 oxygen Substances 0.000 claims abstract description 20
- 230000004888 barrier function Effects 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 239000011241 protective layer Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 33
- 238000009413 insulation Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000010445 mica Substances 0.000 claims description 9
- 229910052618 mica group Inorganic materials 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 6
- 239000012784 inorganic fiber Substances 0.000 claims description 6
- 229920001187 thermosetting polymer Polymers 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 230000009970 fire resistant effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010292 electrical insulation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000005439 thermosphere Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
Optical fiber composite fire cable, belongs to cable technology field.Comprise cable core, band and restrictive coating, it is characterized in that, cable core is made up of light unit block, electric power core, and light unit block is made up of monomode fiber, packed layer, inner sheath, comprehensive flame retardant coating, high flame retardant oxygen barrier protective layer; Electric power core is made up of conductor, core flame retardant coating, insulating barrier; Cable core is provided with belting layer, restrictive coating by oxygen barrier layer is set, sheath forms.The utility model has guaranteed that cable can continue normal transmission electric energy and light signal in the time that fire occurs, rational in infrastructure, electric power core and light unit block are effectively attached in a cable, when having reduced cable and optical fiber and using simultaneously, lay space, reduce installation cost, improved security of system.
Description
Technical field
The utility model relates to a kind of structure of cable, and especially a kind of structure of optical fiber composite fire cable, belongs to cable technology field.
Background technology
In recent years along with the sharp increase of urban population, skyscraper, Large-scale Hotel, supermarket, hospital, station, the continuous increase on airport, subway, the construction of urban track traffic, construction of the especially national intelligent grid of the construction of large common facility etc., the importance of security against fire highlights, in building, the amount of laying of cable is doubled and redoubled, in small space, lay not only consumptive material but also consume energy of too much cable, therefore building starts to adopt fire-resisting cable to power, as fire-resisting cable, flame retardant coating is under flame temperature, not only fire-resistant, and to there is higher thermal insulation not damage built-in electrical insulation and light unit block to ensure extraneous high temperature, ensure cable integrality of circuit in certain hour after catching fire, continue power supply to the device and signal transmission, strive for valuable escape time.
Common fire-resisting cable is mostly the hard cable of bending property extreme difference, and bending radius is larger, conventionally at least need 20 times of cable sizes, and cable weight is large, is unfavorable for that transport and construction lay, and can only be used for major diameter, large space lays, and difficulty is installed.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, provide a kind of fire-resistant, flexibility good, after catching fire, anti-fire capability is strong, can keep long period safe power supply and the optical fiber composite fire cable of communicating by letter.
The purpose of this utility model is achieved through the following technical solutions: optical fiber composite fire cable, comprise cable core, band and restrictive coating, it is characterized in that, described cable core is made up of light unit block and four electric power cores, four electric power cores are evenly arranged on around light unit block, band is wrapped on cable core, and restrictive coating is extruded on band;
Described smooth unit block is made up of monomode fiber, water uptake expansion material packed layer, inner sheath, comprehensive flame retardant coating, high flame retardant oxygen barrier protective layer, monomode fiber arranges water uptake expansion material packed layer outward, water uptake expansion material packed layer arranges inner sheath outward, inner sheath arranges comprehensive flame retardant coating outward, on comprehensive flame retardant coating, extrudes high flame retardant oxygen barrier protective layer;
Described electric power core by setting gradually mica flame retardant coating on conductor, crosslinked polyetylene insulated layer forms, mica flame retardant coating is repeated wrappedly on conductor, to form by synthetic mica tape, extrudes crosslinked polyetylene insulated layer on mica flame retardant coating.
Described comprehensive flame retardant coating forms by being arranged on the armour arranging on cooling layer on gear fire bed of gear fire bed that the soft type thermosetting elastomer material that arranges on inorfil thermal insulation layer outside inner sheath, inorfil thermal insulation layer makes, extrusion molding, cooling layer.
Described inorfil thermal insulation layer is made up of inorganic fibers packed layer and wrapped inorfil belting layer on inorganic fibers packed layer.
Described conductor forms by copper wire is stranded, and its cross section is fan-shaped or corrugated type structure.
Described restrictive coating by being arranged on oxygen barrier layer outside band, be extruded in the sheath that the LSOH anti-flaming material in oxygen barrier layer makes and form.
The utility model has designed the comprehensive fire-resistant layer structure of four-in-one in light unit block, ensures the stable transfer of light signal when fire occurs.Light unit block is different from general optical cable, because the fire resistance of this type of cable is had relatively high expectations, must from structure to material, be optimized design, stop as much as possible the infiltration of flame, the utility model adopts material and the structure of high thermal resistivity, reduces the diffusion of temperature ecto-entad.
In the utility model, adopt the monomode fiber of transmission performance excellence, and around it, fill water uptake expansion material, ensure the block-water performance of fiber section; Adopt the metal pipe material of extrusion molding or the inner sheath that high strength organic material is made, can protect internal optical fiber not to be subject to outside destroy, and provide effective passage for the replacing of optical fiber later.
Four-in-one composite fire structure in the utility model (comprehensive flame retardant coating) is made up of thermal insulation layer (inorfil thermal insulation layer), gear fire bed, cooling layer, armour.Thermal insulation layer employing inorganic fibers filling and inorfil band are wrapped, in the time that flame attacks cable, high flame retardant inorfil is filled and band resolves into metal oxide crystallization water, after decomposing, metal oxide forms network structure, flue gas is had to certain suction-operated, the crystallization water of separating out not only plays obvious settlement action to soot, but also has good endothermic effect.Gear fire bed adopts soft type thermosetting elastomer material, this material is met fire and is changed gear fire screen thermosphere into, in the time meeting fire or high temperature, change rapidly package shape refractory heat-insulating structure into, in fire fighting environment, still can maintain certain hour and not be destroyed, effectively stop the damage to primary insulation of flame or high temperature.Cooling layer by extrusion molding with Al (OH)
3, Mg (OH)
2for the oxygen barrier layer material of main body, the crystallization water molecule producing after this material at high temperature or burning, will lower the temperature with its adjacent layers, fully ensure that being transmitted to internal layer temperature is suitably reduced, and ensures that cable has the characteristic of high flame retardant and high current-carrying simultaneously.Armour is the protective layer of making by appropriate process, and guarantee cable is in use protected internal structure, and the temperature of flame propagation is dispelled the heat timely, avoids heat to concentrate the destruction producing.
High flame retardant oxygen barrier protective layer in the utility model adopts the halogen-free anti-flaming polyolefin material of high oxygen index to extrude; avoid in cable production installation process; the destruction that the problems such as the surperficial steel band burr of light unit may cause power line core insulation, and improve the heat resistance of light unit block under flame.
The conductor of electric power core adopts copper wire, ensures that product has certain flexibility in having good electrical properties, is convenient to mounting and installation, and in Design and manufacture process, pair cross-section is reasonably controlled.The degree of pressing of conductor reaches more than 90%, and roundness reaches more than 98%, and conductive surface is bright and clean, without burr, cut, and can adopt fan-shaped or corrugated type structure according to cable core number and cross section scope, further to reduce the outside diameter of cable, reduce cable production cost, facilitate cable install and lay.
The requirement that the core flame retardant coating (mica flame retardant coating) of electric power core uses according to cable and fire-resistant characteristic, select high performance synthetic mica tape to carry out overlapping wrapped, ensures that cable circuit after flame combustion insulation breakdown continues safe operation.
The insulating material of electric power core adopts has the good crosslinked polyethylene insulation material of pliability, mechanical strength and electric property, when ensureing cable electrical insulation property, and the tensile strength of reinforced insulation layer and anti-extrusion performance.
Because low smoke, zero halogen cable requires smoke density and light transmittance problem in the time burning, must design a kind of effectively structure prevention flame to internal communication, the utility model is provided with the oxygen barrier layer sheath of high oxygen index, reaches the requirement of this type of cable.Sheath of the present utility model also uses the extrusion molding of LSOH anti-flaming material, its production technology outbalance, due to cable laying indoors or outdoor, very important cable stands daylight direct irradiation for a long time, and its oversheath expressing technique is improper, and face checking will occur, simultaneously, because inorganic anti-flaming material is filled in a large number, the machinery of material and processing characteristics are declined to a great extent, extrusion temperature scope and distribution are had relatively high expectations.The utility model, according to a large amount of engineer testings, has been determined rational extrusion temperature, and for the smaller situation of material extending, mould is adjusted, and has realized the balance of speed of production, presentation quality, mechanical performance and LSOH anti-flaming performance.
The utility model has guaranteed that cable can continue normal transmission electric energy and light signal in the time that fire occurs.Light unit block adopts special four-in-one composite fire structure (inorfil thermal insulation layer, gear fire bed, cooling layer, armour), stability, the reliability of light unit block in the time that fire occurs in fully ensureing.Internal layer is inorfil thermal insulation layer; The inferior outer soft type thermosetting elastomer that adopts independent research, this material is met fire and is changed gear fire screen thermosphere into, in the time meeting fire or high temperature, change rapidly package shape refractory heat-insulating structure into, in fire fighting process, still can maintain certain hour and can not destroy, effectively stop the damage of flame high temperature to primary insulation; Outermost layer employing cooling layer, this material, by high temperature or the rear crystallization water molecule producing of burning, will be lowered the temperature with its adjacent layers, fully ensure that being transmitted to internal layer temperature is suitably reduced, and reach good flame retardant effect, the ampacity of raising cable.
Soft type thermo-setting elastomer material-ceramic macromolecule composite fire silicon rubber of gear fire bed is taking silicon rubber as base-material, add inorganic silica flour filler, constitution controller and other auxiliary agent, form through banburying, kneading, mixing, calendering, it has excellent elasticity, flexibility, anti-flammability, electrical property, also possesses remarkable resistant of high or low temperature simultaneously, resistance to ozone, heat-resisting oxygen and ultraviolet ray ageing performance, special surface property, has certain oil resistant, waterproof, solvent resistance.Under the high temperature ablation of 1200 DEG C-1500 DEG C, form hard ceramic-like housing, possess certain mechanical strength and good electrical insulation capability.
In the whole construction of cable, material therefor is environmental type, under normal work and fire working, all can not produce toxic flue gas, and the performance such as pH value, light transmittance, smoke density, poisonous gas release, content of beary metal all meets ECO requirement, when guaranteeing cable reliability service, support personnel's safety to greatest extent.
The utility model is rational in infrastructure, and electric power core and light unit block are effectively attached in a cable, when having reduced cable and optical fiber and using simultaneously, lays space, has reduced installation cost, improves security of system.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
In figure: 1 monomode fiber, 2 inner sheaths, 3 comprehensive flame retardant coatings, 4 high flame retardant oxygen barrier protective layers, 5 conductors, 6 mica flame retardant coatings, 7 crosslinked polyetylene insulated layers, 8 bands, 9 restrictive coatings.
Embodiment
Optical fiber composite fire cable, comprise cable core, band 8 and restrictive coating 9, band is wrapped on cable core, and restrictive coating is extruded on band, restrictive coating 9 by being arranged on the outer field oxygen barrier layer of belting layer, be extruded in the sheath that the LSOH anti-flaming material in oxygen barrier layer makes and form.Cable core is made up of light unit block and four electric power cores, and four electric power cores are evenly arranged on around light unit block.
Water uptake expansion material packed layer that light unit block is around arranged by monomode fiber 1, monomode fiber, be extruded in inner sheath 2 that metal outside water uptake expansion material packed layer or high strength organic material make, be arranged on comprehensive flame retardant coating 3 outside inner sheath, be extruded in the high flame retardant oxygen barrier protective layer 4 that the halogen-free anti-flaming polyolefin material on comprehensive flame retardant coating makes and form.
Comprehensive flame retardant coating 3 forms by being arranged on the armour arranging on cooling layer on gear fire bed of gear fire bed that the soft type thermosetting elastomer material that arranges on inorfil thermal insulation layer on inner sheath skin, inorfil thermal insulation layer makes, extrusion molding, cooling layer.Thermal insulation layer is made up of inorganic fibers packed layer, wrapped inorfil belting layer on packed layer.
Electric power core repeats the wrapped core flame retardant coating forming (mica flame retardant coating) 6, is arranged on crosslinked polyetylene insulated layer 7 formation on core flame retardant coating on conductor by conductor 5, with synthetic mica tape.Conductor forms by copper wire is stranded, and its cross section is fan-shaped or corrugated type structure.
Claims (5)
1. an optical fiber composite fire cable, comprises cable core, band and restrictive coating, it is characterized in that, described cable core is made up of light unit block and four electric power cores, four electric power cores are evenly arranged on around light unit block, and band is wrapped on cable core, and restrictive coating is extruded on band;
Described smooth unit block is made up of monomode fiber, water uptake expansion material packed layer, inner sheath, comprehensive flame retardant coating, high flame retardant oxygen barrier protective layer, monomode fiber arranges water uptake expansion material packed layer outward, water uptake expansion material packed layer arranges inner sheath outward, inner sheath arranges comprehensive flame retardant coating outward, on comprehensive flame retardant coating, extrudes high flame retardant oxygen barrier protective layer;
Described electric power core by setting gradually mica flame retardant coating on conductor, crosslinked polyetylene insulated layer forms, mica flame retardant coating is repeated wrappedly on conductor, to form by synthetic mica tape, extrudes crosslinked polyetylene insulated layer on mica flame retardant coating.
2. optical fiber composite fire cable according to claim 1, it is characterized in that, described comprehensive flame retardant coating forms by being arranged on the armour arranging on cooling layer on gear fire bed of gear fire bed that the soft type thermosetting elastomer material that arranges on inorfil thermal insulation layer outside inner sheath, inorfil thermal insulation layer makes, extrusion molding, cooling layer.
3. optical fiber composite fire cable according to claim 2, is characterized in that, described inorfil thermal insulation layer is made up of inorganic fibers packed layer and wrapped inorfil belting layer on inorganic fibers packed layer.
4. optical fiber composite fire cable according to claim 1, is characterized in that, described conductor forms by copper wire is stranded, and its cross section is fan-shaped or corrugated type structure.
5. optical fiber composite fire cable according to claim 1, is characterized in that, described restrictive coating by being arranged on oxygen barrier layer outside band, be extruded in the sheath that the LSOH anti-flaming material in oxygen barrier layer makes and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420251604.9U CN203950602U (en) | 2014-05-16 | 2014-05-16 | Optical fiber composite fire cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420251604.9U CN203950602U (en) | 2014-05-16 | 2014-05-16 | Optical fiber composite fire cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950602U true CN203950602U (en) | 2014-11-19 |
Family
ID=51892625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420251604.9U Expired - Fee Related CN203950602U (en) | 2014-05-16 | 2014-05-16 | Optical fiber composite fire cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203950602U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223666A (en) * | 2015-10-12 | 2016-01-06 | 中天科技装备电缆有限公司 | The fire-retardant water-fast flame cable of a kind of radioresistance |
| CN108597669A (en) * | 2018-04-02 | 2018-09-28 | 安徽鼎龙网络传媒有限公司 | A kind of communication cable |
-
2014
- 2014-05-16 CN CN201420251604.9U patent/CN203950602U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223666A (en) * | 2015-10-12 | 2016-01-06 | 中天科技装备电缆有限公司 | The fire-retardant water-fast flame cable of a kind of radioresistance |
| CN108597669A (en) * | 2018-04-02 | 2018-09-28 | 安徽鼎龙网络传媒有限公司 | A kind of communication cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20210516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |