CN105023639B - Intelligent optical fiber composite cable with optical unit laid later - Google Patents
Intelligent optical fiber composite cable with optical unit laid later Download PDFInfo
- Publication number
- CN105023639B CN105023639B CN201510333574.5A CN201510333574A CN105023639B CN 105023639 B CN105023639 B CN 105023639B CN 201510333574 A CN201510333574 A CN 201510333574A CN 105023639 B CN105023639 B CN 105023639B
- Authority
- CN
- China
- Prior art keywords
- layer
- optical fiber
- hollow micro
- composite cable
- pipe
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1895—Internal space filling-up means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Graft Or Block Polymers (AREA)
Abstract
The invention discloses an intelligent optical fiber composite cable with an optical unit laid later, which comprises four round conductive units and one hollow micro pipe. Each conductive unit comprises a conductive wire core and an insulated layer coating the outer surface of the conductive wire core sequentially from inside to outside; a wrapping belt wraps the outer surface of the four round conductive units and the one hollow micro pipe; a filling part fills gaps between the conductive unit, the hollow micro pipe and the wrapping belt; the hollow micro pipe is composed of a tensile layer, an aramid fiber-braided layer and a polyethylene layer, the aramid fiber-braided layer is located between the tensile layer and the polyethylene layer, and the tensile layer is composed of the following components: polyamide 6 resin, polyhexamethylene sebacamide, ethylene and norbornene copolymer, polyolefin-g-MAH, antioxidant DNP, alkanox P-24, polyethylene glycol and acetin. Bearing resistance is greatly improved, the tensile strength is improved significantly, resistance of the optical fiber in the hollow micro pipe in the case of gas blowing is reduced, and the optical fiber can be blown in an irregular and long-distance hollow micro pipe.
Description
Technical field
The present invention relates to lay Intelligent optical fiber composite cable after a kind of optical fiber composite cable, more particularly to a kind of light unit.
Background technology
Common air-blown installation is horizontal laying, is conveyed by mechanically-propelled device and air compressor air-flow, only
Micro- cable level is blown into into special default pipeline.But cable when for the optical fiber composite rope of this blow arc-extinguishing mode, constructing, laying
Horizontal positioned is tended not to, the various situations such as poling, turning, pendency can be faced, before even requiring to lay sometimes on disk tool
Direct air-blown installation.Cable completes air-blowing on cable hank, and whole air-blown installation process, the resistance that light unit is subject to is bigger, OK
Direction, the position all no regularity entered.Traditional air-blowing mode cannot meet the requirement that optical fiber composite cable is laid after light unit,
So the subject matter that optical fiber composite cable is laid after light unit is exactly to solve light unit in big resistance, irregular, long range bar
How the air-blown installation of light unit is solved the problems, such as under part, for the requirement of air-blown installation is also greatly improved.
The content of the invention
The present invention to be provided and lay Intelligent optical fiber composite cable after a kind of light unit, Intelligent optical fiber is laid after this light unit and is combined
Cable both causes the resistance for bearing to greatly improve, and tensile strength is significantly improved, and also reduces in air-blowing optical fiber in hollow micro-pipe
Resistance, optical fiber when being conducive to the air-blowing in irregular, long range hollow micro-pipe.
To reach above-mentioned purpose, the technical solution used in the present invention is：Intelligent optical fiber compound electric is laid after a kind of light unit
Cable, including：The conductive unit of 4 circles and 1 hollow micro-pipe, this conductor element from inside to outside includes successively conductor wire core, bag
The insulating barrier of conductor wire core outer surface is overlying on, a twining package tape is described hollow micro- around the conductive unit and 1 for being wrapped in 4 circles
Tube outer surface, the twining package tape outer surface is coated with an inner restrictive coating, and an armor is coated on inner restrictive coating outer surface, the armour
Dress layer outer surface is coated with an external sheath layer；Filling part is filled between the conductive unit, hollow micro-pipe and twining package tape；
The hollow micro-pipe is made up of tensile layer, aramid fiber braided layer and polyethylene layer, the aramid fiber braided layer
Between tensile layer and polyethylene layer；
The tensile layer is composed of the following components：
100 parts of polyamide 6,
35 ~ 38 parts of polyhexamethylene sebacamide,
10 ~ 12 parts of ethene and norbornene copolymer,
Maleic anhydride is grafted 2.8 ~ 3.5 parts of amorphous polyolefin,
1 ~ 1.2 part of N, N'- bis- (betanaphthyl) p-phenylenediamine,
Double 0.5 ~ 0.8 part of (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites,
0.8 ~ 1.2 part of polyethylene glycol,
0.5～0.8 part of acetin；
The polyamide 6 relative viscosity is below 2.5；
The ethene and norbornene copolymer density are 1.01 ± 0.01g/cm3；
The maleic anhydride is grafted amorphous polyolefin by unformed polyolefin, maleic anhydride, lauroyl peroxide and second
Support bis-stearamides in proportion 100：0.4~3：0.03~1：0.1 ~ 0.3 render to double screw extruder carry out glycerol polymerization be obtained,
Its percent grafting is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
Relevant content in above-mentioned technical proposal is explained as follows：
1st, in such scheme, the thickness ratio of the tensile layer and polyethylene layer is 10：3~5.
2nd, in such scheme, the conductor wire core is formed by some copper wires are stranded.
3rd, in such scheme, the tensile layer, aramid fiber braided layer and polyethylene layer thickness are 1.2 ~ 1.8mm.
Because above-mentioned technical proposal is used, the present invention has compared with prior art following advantages：
Intelligent optical fiber composite cable is laid after light unit of the present invention, its hollow micro-pipe is by tensile layer, aramid fiber braided layer
With polyethylene layer composition, with the tensile layer of light contacts using 100 parts of polyamide 6,35 ~ 38 parts of polyhexamethylene sebacamide,
Ethene and 10 ~ 12 parts of norbornene copolymer, maleic anhydride 2.8 ~ 3.5 parts of amorphous polyolefin of grafting, N, N'- bis- (betanaphthyl)
1 ~ 1.2 part of p-phenylenediamine, had both caused the resistance for bearing to greatly improve, and tensile strength is significantly improved, and is also reduced in the air-blowing time
The fine resistance in hollow micro-pipe, optical fiber when being conducive to the air-blowing in irregular, long range hollow micro-pipe, overcomes common gas
Blow to lay and be only suitable for parallel lay-up, it is impossible to directly apply to lay Intelligent optical fiber composite cable after light unit（Plastic micro is quick-fried
Split）, the air pressure of air compressor can be increased, it is final to realize bending air-blown installation function；Secondly, its middle tensile layer is further
Double 0.5 ~ 0.8 part of (2,4- di-tert-butyl-phenyls) pentaerythritol diphosphites of addition, 0.8 ~ 1.2 part of polyethylene glycol, acetic acid are sweet
0.5～0.8 part of grease, had both improve and Intelligent optical fiber composite cable mechanical strength, bending property had been laid after light unit, improve again
Bonding force between aramid fiber braided layer and polyethylene layer, it is to avoid lamination occur in construction.
Description of the drawings
Accompanying drawing 1 is to lay Intelligent optical fiber composite cable structural representation after light unit of the present invention；
Accompanying drawing 2 is to lay hollow micro-tubular structure schematic diagram in Intelligent optical fiber composite cable after light unit of the present invention.
In the figures above：1st, conductive unit；2nd, hollow micro-pipe；21st, tensile layer；22nd, aramid fiber braided layer；23rd, poly- second
Alkene layer；3rd, conductor wire core；4th, insulating barrier；5th, twining package tape；6th, inner restrictive coating；7th, armor；8th, external sheath layer；9th, filling part.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment：Intelligent optical fiber composite cable is laid after a kind of light unit, including：The conductive unit 1 of 4 circles and 1
Hollow micro-pipe 2, this conductor element 1 from inside to outside includes successively conductor wire core 3, is coated on the insulating barrier of the outer surface of conductor wire core 3
4, a twining package tape 5 around the outer surface of hollow micro-pipe 2 of the conductive unit 1 and 1 for being wrapped in 4 circles, outside the twining package tape 5
Surface coating has an inner restrictive coating 6, and an armor 7 is coated on the outer surface of inner restrictive coating 6, and the outer surface of the armor 7 is coated with
One external sheath layer 8；Filling part 9 is filled between the conductive unit 1, hollow micro-pipe 2 and twining package tape 5；
The hollow micro-pipe 2 is made up of tensile layer 21, aramid fiber braided layer 22 and polyethylene layer 23, the aramid fiber
Braiding layer 22 is located between tensile layer 21 and polyethylene layer 23；
The tensile layer 21 of above-described embodiment 1 ~ 5 is composed of the following components, as shown in table 1：
Table 1
Above-mentioned polyamide 6 relative viscosity is below 2.5；
Above-mentioned ethene and norbornene copolymer density are 1.01 ± 0.01g/cm3；
Above-mentioned maleic anhydride is grafted amorphous polyolefin by unformed polyolefin, maleic anhydride, lauroyl peroxide and second
Support bis-stearamides in proportion 100：0.4~3：0.03~1：0.1 ~ 0.3 render to double screw extruder carry out glycerol polymerization be obtained,
Its percent grafting is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
The performance of hollow micro-pipe 2 in Intelligent optical fiber composite cable is laid after the light unit of embodiment 1 ~ 5 and is shown in Table 2：
Table 2
The polyamide 6 relative viscosity is below 2.5；
The ethene and norbornene copolymer density are 1.01 ± 0.01g/cm3；
The maleic anhydride grafting amorphous polyolefin is caused by unformed polyolefin, maleic anhydride, lauroyl peroxide
Agent and ethylene bis stearamide lubricant in proportion 100：0.4~3：0.03~1：0.1 ~ 0.3 renders to double screw extruder is carried out
Glycerol polymerization is obtained, and its percent grafting is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
The thickness ratio of above-mentioned tensile layer 21 and polyethylene layer 23 is 10：3~5.
Above-mentioned conductor wire core is formed by some copper wires are stranded.
Above-mentioned tensile layer 21, aramid fiber braided layer 22 and the thickness of polyethylene layer 23 are 1.2 ~ 1.8mm.
During using laying Intelligent optical fiber composite cable after above-mentioned light unit, its hollow micro-pipe is compiled by tensile layer, aramid fiber
Tissue layer and polyethylene layer are constituted, and with the tensile layer of light contacts 100 parts of polyamide 6, polyhexamethylene sebacamide 35 ~ 38 are adopted
10 ~ 12 parts of part, ethene and norbornene copolymer, maleic anhydride 2.8 ~ 3.5 parts of amorphous polyolefin of grafting, the N, (β-naphthalene of N'- bis-
Base) 1 ~ 1.2 part of p-phenylenediamine, the resistance for bearing is greatly improved, tensile strength is significantly improved, and is also reduced in air-blowing
In the resistance of hollow micro-pipe, optical fiber when being conducive to the air-blowing in irregular, long range hollow micro-pipe overcomes common optical fiber
Air-blown installation is only suitable for parallel lay-up, it is impossible to directly apply to lay Intelligent optical fiber composite cable after light unit（Plastic micro is quick-fried
Split）, the air pressure of air compressor can be increased, it is final to realize bending air-blown installation function；Secondly, its middle tensile layer is further
Double 0.5 ~ 0.8 part of (2,4- di-tert-butyl-phenyls) pentaerythritol diphosphites of addition, 0.8 ~ 1.2 part of polyethylene glycol, acetic acid are sweet
0.5～0.8 part of grease, had both improve and Intelligent optical fiber composite cable mechanical strength, bending property had been laid after light unit, improve again
Bonding force between aramid fiber braided layer and polyethylene layer, it is to avoid lamination occur in construction.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implement according to this, can not be limited the scope of the invention with this.It is all according to the present invention
Equivalence changes or modification that Spirit Essence is made, all should be included within the scope of the present invention.
Claims (4)
1. Intelligent optical fiber composite cable is laid after a kind of light unit, it is characterised in that：Including：The conductive unit of 4 circles（1）With
1 hollow micro-pipe（2）, this conductive unit（1）From inside to outside include conductor wire core successively（3）, be coated on conductor wire core（3）Appearance
The insulating barrier in face（4）, a twining package tape（5）Around the conductive unit for being wrapped in 4 circles（1）Hollow micro-pipe described with 1（2）Outward
Surface, the twining package tape（5）Outer surface is coated with an inner restrictive coating（6）, an armor（7）It is coated on inner restrictive coating（6）Appearance
Face, the armor（7）Outer surface is coated with an external sheath layer（8）；The conductive unit（1）, hollow micro-pipe（2）With twining package tape
（5）Between be filled with filling part（9）；
The hollow micro-pipe（2）By tensile layer（21）, aramid fiber organization level（22）And polyethylene layer（23）Composition, the aramid fiber
Fiber organization level（22）Positioned at tensile layer（21）And polyethylene layer（23）Between；
The tensile layer（21）It is composed of the following components：
100 parts of polyamide 6,
35 ~ 38 parts of polyhexamethylene sebacamide,
10 ~ 12 parts of ethene and norbornene copolymer,
Maleic anhydride is grafted 2.8 ~ 3.5 parts of amorphous polyolefin,
1 ~ 1.2 part of N, N'- bis- (betanaphthyl) p-phenylenediamine,
Double 0.5 ~ 0.8 part of (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites,
0.8 ~ 1.2 part of polyethylene glycol,
0.5～0.8 part of acetin；
The polyamide 6 relative viscosity is below 2.5；
The ethene and norbornene copolymer density are 1.01 ± 0.01g/cm3；
The maleic anhydride grafting amorphous polyolefin is double by unformed polyolefin, maleic anhydride, lauroyl peroxide and ethylene
Stearmide in proportion 100：0.4~3：0.03~1：0.1 ~ 0.3 render to double screw extruder carry out glycerol polymerization be obtained, it connects
Branch rate is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
2. Intelligent optical fiber composite cable is laid after light unit according to claim 1, it is characterised in that：The tensile layer
（21）And polyethylene layer（23）Thickness ratio be 10：3~5.
3. Intelligent optical fiber composite cable is laid after light unit according to claim 1, it is characterised in that：The tensile layer
（21）, aramid fiber organization level（22）And polyethylene layer（23）Thickness is 1.2 ~ 1.8mm.
4. Intelligent optical fiber composite cable is laid after light unit according to claim 1, it is characterised in that：The conductor wire core
Formed by some copper wires are stranded.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510333574.5A CN105023639B (en) | 2015-06-16 | 2015-06-16 | Intelligent optical fiber composite cable with optical unit laid later |
| CN201610498027.7A CN106433105A (en) | 2015-06-16 | 2015-06-16 | Bending-resistant optical fiber composite power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510333574.5A CN105023639B (en) | 2015-06-16 | 2015-06-16 | Intelligent optical fiber composite cable with optical unit laid later |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610498027.7A Division CN106433105A (en) | 2015-06-16 | 2015-06-16 | Bending-resistant optical fiber composite power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105023639A CN105023639A (en) | 2015-11-04 |
| CN105023639B true CN105023639B (en) | 2017-05-03 |
Family
ID=54413537
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610498027.7A Pending CN106433105A (en) | 2015-06-16 | 2015-06-16 | Bending-resistant optical fiber composite power cable |
| CN201510333574.5A Active CN105023639B (en) | 2015-06-16 | 2015-06-16 | Intelligent optical fiber composite cable with optical unit laid later |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610498027.7A Pending CN106433105A (en) | 2015-06-16 | 2015-06-16 | Bending-resistant optical fiber composite power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106433105A (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5740208A (en) * | 1980-08-25 | 1982-03-05 | Nippon Telegr & Teleph Corp <Ntt> | Optical cable |
| JPS59113403A (en) * | 1982-12-21 | 1984-06-30 | Nippon Telegr & Teleph Corp <Ntt> | High strength optical fiber unit |
| US20120145453A1 (en) * | 2010-12-14 | 2012-06-14 | General Cable Technologies Corporation | Power cable with microduct |
| CN202230775U (en) * | 2011-08-29 | 2012-05-23 | 江苏中辰电缆有限公司 | Carbon fiber composite material bearing type signal transmitting cable |
| CN203082393U (en) * | 2012-10-08 | 2013-07-24 | 孟庆义 | Flexible compound oil pipe |
| CN203465978U (en) * | 2013-08-26 | 2014-03-05 | 国家电网公司 | Photoelectric composite power cable for intelligent power grid |
| CN203871070U (en) * | 2014-04-30 | 2014-10-08 | 江苏亨通电力电缆有限公司 | Novel cable for laying optical unit later |
| CN204288903U (en) * | 2014-12-05 | 2015-04-22 | 人民电缆集团有限公司 | Photoelectric compound cable |
| CN204288904U (en) * | 2014-12-09 | 2015-04-22 | 江苏宏图高科技股份有限公司 | A kind of light self-supporting optical fiber composite overhead low-voltage cable |
-
2015
- 2015-06-16 CN CN201610498027.7A patent/CN106433105A/en active Pending
- 2015-06-16 CN CN201510333574.5A patent/CN105023639B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105023639A (en) | 2015-11-04 |
| CN106433105A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105118554B (en) | Facilitate implementation the Intelligent optical fiber composite cable of bending air-blowing optical fiber | |
| CN102097164A (en) | Walking control cable and preparation method thereof | |
| CN104795139B (en) | High reliability communication power supply flexible cable | |
| CN106898419A (en) | A kind of optoelectronic composite cable | |
| CN203910302U (en) | Flexible flat cable | |
| CN105023639B (en) | Intelligent optical fiber composite cable with optical unit laid later | |
| CN204010765U (en) | Environmental protection resistance to compression optoelectronic composite cable | |
| CN104700953A (en) | Manufacture method of optical and electric composite cable with special-shaped filling ropes | |
| CN105006290B (en) | Fiber after-laying intelligent composite three-phase medium-voltage cable | |
| CN102097177B (en) | Traveling power cable and preparation method thereof | |
| CN205264409U (en) | High voltage dc cable | |
| CN214476484U (en) | Vibration-resistant flexible high-voltage cable used in new energy vehicle | |
| CN206312615U (en) | The compound naval vessel medium-pressure power cable of one kind control | |
| CN104766656B (en) | High abrasion phone lead-in | |
| CN103971840A (en) | Photovoltaic composite cable for power system | |
| CN209216613U (en) | A kind of light-duty crosslinked polyethylene insulated aerial cable with steel core carrying | |
| CN104835591A (en) | Anti-mouse telephone lead-in line | |
| CN112259282A (en) | Photoelectric composite flexible cable, extrusion equipment for producing same and preparation method thereof | |
| CN201307441Y (en) | Novel rectangular anti-interference shielded cable | |
| CN108538490B (en) | Composite optical cable and processing technology thereof | |
| CN205751564U (en) | A kind of flexible robot's multicore cable | |
| CN206412117U (en) | A kind of cable with litzendraht wire | |
| CN206098049U (en) | Elevator retinue photoelectricity compound cable | |
| CN106409406A (en) | Bending-resistant four-core telephone lead-in wire | |
| CN202855376U (en) | Reinforced corrosion-resistant wire cable used in fixation and arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |