CN112908527A - High heat dispersion fireproof cable - Google Patents
High heat dispersion fireproof cable Download PDFInfo
- Publication number
- CN112908527A CN112908527A CN201911218206.0A CN201911218206A CN112908527A CN 112908527 A CN112908527 A CN 112908527A CN 201911218206 A CN201911218206 A CN 201911218206A CN 112908527 A CN112908527 A CN 112908527A
- Authority
- CN
- China
- Prior art keywords
- layer
- cable
- heat dissipation
- fire
- fireproof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- 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
- H01B7/02—Disposition of insulation
-
- 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
-
- 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
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention provides a high-heat-dissipation-performance fireproof cable which comprises a cable core, wherein the cable core is formed by twisting insulating wire cores, each insulating wire core comprises a conductor, each conductor is wrapped by an insulating layer, gaps among a preset number of the insulating wire cores are provided with a filling layer, and a fire extinguishing layer, an inner flame retardant layer, a fireproof layer and an outer flame retardant layer are arranged outside the filling layers, so that the fireproof cable has the advantages of good heat resistance, flame retardance, fire prevention and fire extinguishing, multiple protection is carried out on the cable core, and the conductors in the cable core are prevented from being burnt out. Simultaneously the interior louvre of predetermined quantity is followed the flame retardant coating circumference interval sets up and runs through this flame retardant coating, and the outer louvre of predetermined quantity runs through in proper order outer fire-retardant layer reaches the oversheath, and follow outer fire-retardant layer reaches oversheath circumference interval sets up, and the inside heat of cable dispels the heat earlier via interior louvre, and the heat further carries out the outdiffusion through outer louvre simultaneously, has improved this fireproof cable's thermal diffusivity, has reduced the potential safety hazard.
Description
Technical Field
The invention relates to the technical field of electric wires and cables, in particular to a fireproof cable with high heat dissipation performance.
Background
In recent years, in order to improve the safety level of an electric circuit and reduce the occurrence and loss of electric fire accidents, the national ministry of construction, the public security department and some local governments have successively issued some electric design specifications and clearly stipulate that a high-heat-dissipation-performance fireproof cable must be adopted in some important electric circuits and places, so that the application range of the high-heat-dissipation-performance fireproof cable is further widened.
The existing common fireproof cable only has one fireproof insulating layer, and the fireproof efficiency is limited. Moreover, when the ordinary fireproof cable is used for a long time, a certain amount of heat can be generated, and due to the fact that no heat dissipation mechanism is arranged, after the ordinary fireproof cable is used for a long time, not only can the transmission efficiency of cable information be influenced, but also fire disasters can possibly occur.
In 04.2017.05.8, a chinese patent application No. CN201720483540.9 discloses a novel wear-resistant cable, which includes a cable core formed by twisting a plurality of insulated wire cores, an inner protective shell is wrapped around the periphery of the cable core, an insulating layer is wrapped around the outer side of the inner protective shell, a PVC protective layer is wrapped around the outer side of the insulating layer, a plurality of annular concave grains are uniformly arranged on the outer surface of the PVC protective layer along the length direction, and a nano ceramic resin hardened layer is uniformly coated in the annular concave grains. The high-hardness and wear-resistant nano inorganic ceramic resin is subjected to ring formation at intervals outside the cable, so that the cable can be effectively prevented from being further worn in the dragging process, and the nano inorganic ceramic resin is subjected to ring formation by curing on the surface of the cable, so that the production process is simpler, the bending and winding of the cable cannot be influenced, the fireproof performance of the cable is poorer, and the arrangement of a heat dissipation module is not included, so that the temperature is easily overhigh.
Disclosure of Invention
The invention aims to provide a fireproof cable with high heat dissipation performance, which has good fireproof performance and high heat dissipation performance.
The utility model provides a high heat dispersion fireproof cable, includes the cable core, the cable core is formed by the transposition of predetermined number's insulation core, insulation core includes the conductor, the conductor wraps up outward has an insulating layer, predetermined number clearance between the insulation core is equipped with a filling layer, be equipped with an isolation layer, a fire extinguishing layer, an inlayer fire-retardant layer, a flame retardant coating, an outer fire-retardant layer and an oversheath outside the filling layer in proper order, the flame retardant coating with be formed with a cavity between the outer fire-retardant layer, the cavity is provided with an elastic substance along its circumference predetermined interval, and wherein, predetermined number's interior louvre is followed this flame retardant coating is set up and run through in flame retardant coating circumference interval, and predetermined number's outer heat dissipation hole runs through in proper order outer fire-retardant layer reaches the oversheath, and follow outer fire-retardant layer reaches oversheath circumference interval sets up.
Preferably, the inner heat dissipation hole and the outer heat dissipation hole are filled with fireproof and breathable materials, and waterproof and breathable films are arranged at the ends, far away from the cable core, of the inner heat dissipation hole and the outer heat dissipation hole.
Preferably, the insulating layer is a ceramic low-smoke halogen-free polyolefin insulating layer and serves as an insulating material between conductors.
Preferably, the filling layer is a halogen-free flame-retardant filling layer, so that the roundness of the cable is ensured, and a certain flame-retardant effect can be achieved.
Preferably, the inner isolation layer is one of an aluminum alloy pipe isolation layer or an aluminum pipe isolation layer. Aluminium alloy pipe isolation layer or aluminium pipe isolation layer melting point is high, has fine fire behavior, when the conflagration breaing out, can keep apart insulating sinle silk and flame, plays the fixed action to the filling layer of inlayer moreover, has improved antidetonation, the compressive property of cable, avoids because of vibrations and the damage that strikes the production, keeps apart insulating sinle silk and water and vapor simultaneously, makes the cable have good waterproof performance.
Preferably, the inner flame-retardant layer and the outer flame-retardant layer are both high-flame-retardant glass fiber tape-wound claddings. The high flame-retardant glass fiber band can be decomposed into metal oxides and separated out crystal water at a certain temperature, so that the effects of adsorbing smoke, settling smoke particles, absorbing heat and blocking the flow of oxygen and combustible gas are achieved, and further the further combustion of the cable can be prevented.
Preferably, the elastic substance is one of thermoplastic polyurethane elastic spheres or springs. So that the cable has good pressure resistance.
Preferably, the fireproof layer is made of fireproof materials containing magnetic powder, magnesium oxide and ceramics. Has excellent fireproof performance.
Preferably, the fire extinguishing layer comprises an inner fire-resistant film and an outer fire-resistant film, the inner fire-resistant film and the outer fire-resistant film are separated into a plurality of cavities arranged in an array through a preset number of diaphragms, and the cavities are filled with fire extinguishing agents. The fire extinguishing agent in the fire extinguishing layer can achieve the fire extinguishing and flame retarding effects, and the cable core is prevented from being damaged.
Preferably, the outer sheath is a cross-linked polyolefin outer sheath.
Compared with the prior art, the invention has the following beneficial effects: according to the high-heat-dissipation-performance fireproof cable provided by the invention, the fire extinguishing layer, the inner flame-retardant layer, the fireproof layer and the outer flame-retardant layer are arranged, so that the fireproof cable has the characteristics of good heat resistance, flame retardance, fire prevention and fire extinguishing, multiple protection is carried out on a cable core, and a conductor in the cable core is prevented from being burnt out. Simultaneously the interior louvre of predetermined quantity is followed the flame retardant coating circumference interval sets up and runs through this flame retardant coating, and the outer louvre of predetermined quantity runs through in proper order outer fire-retardant layer reaches the oversheath, and follow outer fire-retardant layer reaches oversheath circumference interval sets up, and the inside heat of cable dispels the heat earlier via interior louvre, and the heat further carries out the outdiffusion through outer louvre simultaneously, has improved this fireproof cable's thermal diffusivity, has reduced the potential safety hazard. Therefore, the fireproof cable can endure 3 hours at the high temperature of 850 ℃ by setting fireproof and heat dissipation, and has good high-temperature working performance.
Drawings
Fig. 1 is a schematic structural view of a fireproof cable with high heat dissipation performance according to the present invention.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the fireproof cable with high heat dissipation performance comprises a cable core 1, wherein the cable core 1 is formed by stranding a predetermined number of insulation wire cores 11, and in this embodiment, the number of the insulation wire cores 11 is 4. The insulated wire core 11 comprises a conductor 111, an insulating layer 112 wraps the conductor 111, a predetermined number of gaps between the insulated wire cores 11 are provided with a filling layer 13, and an isolation layer 2, a fire extinguishing layer 3, an inner flame retardant layer 4, a fire retardant layer 5, an outer flame retardant layer 6 and an outer sheath 7 are sequentially arranged outside the filling layer 13.
In this embodiment, a cavity 8 is formed between the fire-retardant layer 5 and the outer fire-retardant layer 6, an elastic substance 9 is disposed in the cavity 8 at a predetermined interval along the circumference thereof, and the elastic substance 9 is one of a thermoplastic polyurethane elastic sphere or a spring. In-process such as cable transportation, the cable pressurized leads to inside cable core 1 to be destroyed easily, and this fireproof cable sets up this elastic substance 9 and makes the cable have good compressive property, and inside cable core 1 has obtained good protection.
This high heat dispersion fireproof cable makes to have good heat dispersion through setting up the interior louvre 10 of predetermined quantity and the outer louvre 20 of predetermined quantity, interior louvre 10 is followed 5 circumference intervals of flame retardant coating set up and run through this flame retardant coating 5, outer louvre 20 runs through in proper order outer fire retardant coating 6 reaches oversheath 7, and follows outer fire retardant coating 6 reaches oversheath 7 circumference intervals sets up. The inside heat of cable dispels the heat via interior louvre 10 earlier, and the heat looses 8 departments of cavity, and the heat of 8 departments of cavity further carries out the outdiffusion through outer radiating hole 20 simultaneously, has improved this fireproof cable's thermal diffusivity, has reduced the potential safety hazard. Preferably, fireproof and breathable materials are filled in the inner heat dissipation hole 10 and the outer heat dissipation hole 20, so that heat can be dissipated from the inner heat dissipation hole 10 and the outer heat dissipation hole 20, and the fireproof performance is good. And the ends of the inner heat dissipation hole 10 and the outer heat dissipation hole 20, which are far away from the cable core 1, are provided with waterproof breathable films, and the arrangement of the waterproof breathable films enables the heat dissipation holes to dissipate heat and have good waterproof performance. The number of the inner heat conduction holes is 4 to 8, and the outer heat conduction holes correspond to the inner heat conduction holes.
Preferably, the insulating layer 112 is a ceramic insulating layer 112 made of low smoke halogen-free polyolefin material, and serves as an insulating material between the conductors 111. The filling layer 13 is a halogen-free flame-retardant filling layer 13, so that the roundness of the cable is ensured, and a certain flame-retardant effect can be achieved. The inner isolation layer 2 is one of an aluminum alloy pipe isolation layer 2 or an aluminum pipe isolation layer 2. Aluminium alloy pipe isolation layer 2 or 2 melting points of aluminium pipe isolation layer are high, have fine fire behavior, when the conflagration breaing out, can keep apart insulating sinle silk 11 and flame, play the fixed action to the filling layer 13 of inlayer in addition, improved antidetonation, the compressive property of cable, avoid because of vibrations and the damage that strikes the production, keep apart insulating sinle silk 11 and water and vapor simultaneously, make the cable have good waterproof performance. The inner flame-retardant layer 4 and the outer flame-retardant layer 6 are both high-flame-retardant glass fiber tape winding layers. The high flame-retardant glass fiber band can be decomposed into metal oxides and separated out crystal water at a certain temperature, so that the effects of adsorbing smoke, settling smoke particles, absorbing heat and blocking the flow of oxygen and combustible gas are achieved, and further the further combustion of the cable can be prevented. The fireproof layer 5 is made of fireproof materials containing magnetic powder, magnesium oxide and ceramics. Has excellent fireproof performance. The fire extinguishing layer 3 comprises an inner fire-resistant film and an outer fire-resistant film, the inner fire-resistant film and the outer fire-resistant film are separated into a plurality of cavities 22 arranged in an array mode through a preset number of diaphragms 21, and fire extinguishing agents are filled in the cavities 22. The fire extinguishing agent in the fire extinguishing layer 3 can play a fire extinguishing and flame retarding effect, and the cable core 1 is prevented from being damaged. The outer sheath 7 is a cross-linked polyolefin outer sheath 7 and has good wear resistance.
According to the high-heat-dissipation-performance fireproof cable provided by the invention, the fire extinguishing layer 3, the inner flame-retardant layer 4, the fireproof layer 5 and the outer flame-retardant layer 6 are arranged, so that the fireproof cable has the characteristics of good heat resistance, flame retardance, fire prevention and fire extinguishing, multiple protection is carried out on the cable core 1, and the conductor 111 in the cable core 1 is prevented from being burnt out. Simultaneously predetermined number's interior louvre 10 is followed 5 circumference intervals of flame retardant coating set up and run through this flame retardant coating 5, and predetermined number's outer louvre 20 runs through in proper order outer fire-retardant layer 6 reaches oversheath 7, and follow outer fire-retardant layer 6 reaches oversheath 7 circumference intervals set up, and the inside heat of cable dispels the heat earlier via interior louvre 10, and the heat further carries out the outdiffusion through outer louvre 20 simultaneously, has improved this fireproof cable's thermal diffusivity, has reduced the potential safety hazard. Therefore, the fireproof cable can endure 3 hours at the high temperature of 850 ℃ by setting fireproof and heat dissipation, and has good high-temperature working performance.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. The utility model provides a high heat dispersion fireproof cable which characterized in that: the cable comprises a cable core, the cable core is formed by the transposition of predetermined number's insulation core, insulation core includes the conductor, the conductor wraps up outward has an insulating layer, predetermined number clearance between the insulation core is equipped with a filling layer, be equipped with an isolation layer, a fire extinguishing layer, an inlayer fire-retardant layer, a flame retardant coating, an outer fire-retardant layer and an oversheath outside the filling layer in proper order, the flame retardant coating with be formed with a cavity between the outer fire-retardant layer, the cavity is provided with an elastic substance along its circumference predetermined interval, and wherein, predetermined number's interior louvre is followed this flame retardant coating is set up and run through in flame retardant coating circumference interval, and predetermined number's outer heat dissipation hole runs through in proper order outer fire-retardant layer reaches the oversheath, and follows outer fire-retardant layer reaches oversheath circumference interval sets up.
2. The high heat dissipation performance fireproof cable of claim 1, wherein the inner heat dissipation hole and the outer heat dissipation hole are both filled with fireproof and breathable materials, and waterproof and breathable films are arranged at ends of the inner heat dissipation hole and the outer heat dissipation hole, which are far away from the cable core.
3. The fireproof cable with high heat dissipation performance according to claim 1, wherein the insulating layer is a ceramic low-smoke halogen-free polyolefin insulating layer.
4. The fireproof cable with high heat dissipation performance according to claim 1, wherein the filling layer is a halogen-free flame retardant filling layer.
5. The fireproof cable with high heat dissipation performance according to claim 1, wherein the inner insulation layer is one of an aluminum alloy tube insulation layer or an aluminum tube insulation layer.
6. The high heat dissipation performance fireproof cable of claim 1, wherein the inner flame retardant layer and the outer flame retardant layer are both high flame retardant glass fiber tape-wrapped claddings.
7. The high heat dissipation performance fireproof cable of claim 1, wherein the elastic substance is one of thermoplastic polyurethane elastic spheres or springs.
8. The fireproof cable with high heat dissipation performance according to claim 1, wherein the fireproof layer is made of fireproof materials containing magnetic powder, magnesium oxide and ceramics.
9. The fireproof cable with high heat dissipation performance according to claim 1, wherein the fire extinguishing layer comprises an inner fire-resistant film and an outer fire-resistant film, the inner fire-resistant film and the outer fire-resistant film are separated into a plurality of cavities arranged in an array through a predetermined number of diaphragms, and fire extinguishing agents are filled in the cavities.
10. The high heat dissipation performance fireproof cable of claim 1, wherein the outer sheath is a cross-linked polyolefin outer sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911218206.0A CN112908527A (en) | 2019-12-03 | 2019-12-03 | High heat dispersion fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911218206.0A CN112908527A (en) | 2019-12-03 | 2019-12-03 | High heat dispersion fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112908527A true CN112908527A (en) | 2021-06-04 |
Family
ID=76103748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911218206.0A Pending CN112908527A (en) | 2019-12-03 | 2019-12-03 | High heat dispersion fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112908527A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488249A (en) * | 2021-06-10 | 2021-10-08 | 安徽凌宇电缆科技有限公司 | Heat-resistant high-voltage cable |
| CN113851263A (en) * | 2021-11-03 | 2021-12-28 | 何建根 | Multifunctional cable |
| CN114864170A (en) * | 2022-05-07 | 2022-08-05 | 济南圣通电力线缆有限公司 | Explosion-proof cable for electric power engineering |
| CN114937519A (en) * | 2022-06-15 | 2022-08-23 | 贵阳中安科技集团有限公司 | Spring cable |
| CN116386948A (en) * | 2023-04-10 | 2023-07-04 | 河南庆州电缆有限公司 | Composite cable with high heat dissipation efficiency |
-
2019
- 2019-12-03 CN CN201911218206.0A patent/CN112908527A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488249A (en) * | 2021-06-10 | 2021-10-08 | 安徽凌宇电缆科技有限公司 | Heat-resistant high-voltage cable |
| CN113851263A (en) * | 2021-11-03 | 2021-12-28 | 何建根 | Multifunctional cable |
| CN113851263B (en) * | 2021-11-03 | 2024-01-19 | 江阴市伟澄特种电缆有限公司 | Multifunctional cable |
| CN114864170A (en) * | 2022-05-07 | 2022-08-05 | 济南圣通电力线缆有限公司 | Explosion-proof cable for electric power engineering |
| CN114864170B (en) * | 2022-05-07 | 2023-08-22 | 济南圣通电力线缆有限公司 | Explosion-proof cable for power engineering |
| CN114937519A (en) * | 2022-06-15 | 2022-08-23 | 贵阳中安科技集团有限公司 | Spring cable |
| CN114937519B (en) * | 2022-06-15 | 2023-06-30 | 贵阳中安科技集团有限公司 | Spring cable |
| CN116386948A (en) * | 2023-04-10 | 2023-07-04 | 河南庆州电缆有限公司 | Composite cable with high heat dissipation efficiency |
| CN116386948B (en) * | 2023-04-10 | 2024-02-06 | 河南庆州电缆有限公司 | Composite cable with high heat dissipation efficiency |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210925531U (en) | High heat dispersion fireproof cable | |
| CN112908527A (en) | High heat dispersion fireproof cable | |
| CN102842376B (en) | High-temperature fire-resistant insulated cable for ships and warships | |
| CN215007651U (en) | Mineral-filled flame-retardant fireproof isolated special cable for modern buildings | |
| CN201181601Y (en) | Irradiation cross-linking type low-smoke non-halogen flame-proof electric wire | |
| CN203150243U (en) | Halogen-free flame-retardation fireproof control cable | |
| CN105070394A (en) | Fire-proof and fire-resistant medium-voltage power cable | |
| CN212782841U (en) | Flame-retardant B1-grade fireproof single-core power cable with corrugated metal sheath | |
| CN104078123A (en) | Environment-friendly double-shielded low-voltage fire-resistant compound insulating high-flame-retardant flexible cable | |
| CN220137990U (en) | Shock-resistant fire-resistant cable | |
| CN205487497U (en) | Environmental protection interlocking armour fireproof cable | |
| CN220962877U (en) | Multi-core shielding flame-retardant computer cable | |
| CN110634608A (en) | Fire-fighting flame-retardant B1-grade wire and cable and manufacturing method thereof | |
| CN210606683U (en) | Fireproof cable | |
| CN104538094A (en) | Flexible fireproof cable | |
| CN219997930U (en) | Halogen-free low-smoke flame-retardant spray-resistant impact-resistant cable | |
| CN210606755U (en) | Fire-resistant low-voltage cable | |
| CN214226548U (en) | Crosslinked polyvinyl chloride insulation armored fireproof cable | |
| CN203013357U (en) | Low-smoke halogen-free five core fire-resisting cable | |
| CN216528093U (en) | Low-smoke low-halogen B2-level flame-retardant direct-current traction power cable | |
| CN208922771U (en) | A kind of flexible fire-proof cable of high fire protecting performance | |
| CN215988179U (en) | High flame retardant data cable | |
| CN220873295U (en) | Fireproof cable | |
| CN218471641U (en) | B1-level flame-retardant mineral insulated cable | |
| CN214279657U (en) | Halogen-free flame-retardant ceramic fire-resistant cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |