CN220604353U - Composite cable - Google Patents
Composite cable Download PDFInfo
- Publication number
- CN220604353U CN220604353U CN202322356682.7U CN202322356682U CN220604353U CN 220604353 U CN220604353 U CN 220604353U CN 202322356682 U CN202322356682 U CN 202322356682U CN 220604353 U CN220604353 U CN 220604353U
- Authority
- CN
- China
- Prior art keywords
- layer
- wall
- tube body
- cable
- cable tube
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 30
- 239000003063 flame retardant Substances 0.000 claims abstract description 22
- 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 21
- 239000000463 material Substances 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 6
- 239000011889 copper foil Substances 0.000 claims description 6
- 239000012188 paraffin wax Substances 0.000 claims description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 2
- 230000004927 fusion Effects 0.000 claims 4
- 239000004593 Epoxy Substances 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 11
- 238000005260 corrosion Methods 0.000 abstract description 11
- 230000002452 interceptive effect Effects 0.000 abstract description 7
- 239000004020 conductor Substances 0.000 description 7
- 238000005457 optimization Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005672 electromagnetic field Effects 0.000 description 5
- 239000003822 epoxy resin Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The utility model discloses a composite cable, which belongs to the technical field of composite cables and adopts the technical scheme that the composite cable comprises a cable tube body, wherein a conductive layer is arranged in the cable tube body, an insulating layer is arranged on the outer wall of the cable tube body, a shielding layer is arranged on the outer wall of the insulating layer, a filling layer is arranged on the outer wall of the shielding layer, a sheath layer is arranged on the outer wall of the filling layer, a reinforcing layer is arranged on the outer wall of the sheath layer, a flame-retardant layer is arranged on the outer wall of the reinforcing layer, the conductive layer can increase the conductivity of the cable tube body when the composite cable is used, the insulating layer can prevent current leakage, the shielding layer can prevent electromagnetic waves from interfering with the normal use of the cable tube body, the filling layer can fill the inner gaps of the sheath layer and the shielding layer, the sheath layer can protect the filling layer from mechanical damage and corrosion of the external environment, and the reinforcing layer can enhance the tensile strength and the pressure resistance of the cable tube body.
Description
Technical Field
The utility model relates to the technical field of composite cables, in particular to a composite cable.
Background
Composite cables and composite cables refer to a cable formed by combining a plurality of different kinds of cables, and in general, a composite cable is formed by combining two or more cables with different functions or characteristics, and may include various types of cables, such as power cables, communication cables, control cables, etc., which may be different in structure and use, but may satisfy more complex requirements by being combined together.
The insulation between the conductors of the existing cable is unstable, so that the problem of local short circuit occurs.
The current announcements are: the Chinese patent of CN218849096U discloses a composite cable, which is characterized in that an insulating layer is uniformly paved outside a first conductor and a plurality of second conductors, so that electric arcs are not generated outside the first conductor and the second conductors when the first conductors face high voltage, the short circuit is caused, the use safety of equipment is improved, the electric shock problem is avoided, the personal safety of a user is endangered, and steel wires are uniformly paved inside the cable, so that the penetration resistance of the cable to external sharp substances is improved, and the use safety and the practicability of the cable are improved.
For the above-mentioned problem, the prior art patent provides a solution, but it does not possess anti-electromagnetic interference function when using, can lead to the inside signal of telecommunication of cable to receive outside electromagnetic field's influence like this, lead to signal quality to drop or distortion, can also lead to communication interruption, data loss or mistake to influence cable transmission's reliability and stability.
For this purpose, a composite cable is proposed.
Disclosure of Invention
1. Technical problem to be solved
The utility model provides a composite cable, which aims to solve the problems that the existing composite cable does not have an electromagnetic interference resistance function when in use, so that an electric signal in the cable is influenced by an external electromagnetic field, the signal quality is reduced or distorted, communication interruption, data loss or errors are caused, and the reliability and stability of cable transmission are influenced.
2. Technical proposal
The utility model discloses a composite cable, which comprises a cable tube body, wherein a conductive layer is arranged in the cable tube body, an insulating layer is arranged on the outer wall of the cable tube body, a shielding layer is arranged on the outer wall of the insulating layer, a filling layer is arranged on the outer wall of the shielding layer, a sheath layer is arranged on the outer wall of the filling layer, a reinforcing layer is arranged on the outer wall of the sheath layer, and a flame-retardant layer is arranged on the outer wall of the reinforcing layer.
In order to increase the conductivity of the cable tube body, as a preferred composite cable of the present utility model, the conductive layer is made of copper foil, the conductive layer is filled in the cable tube body, and the conductive layer is used for increasing the conductivity of the cable tube body.
In order to prevent current leakage, as a preferred composite cable of the present utility model, the insulating layer is made of crosslinked polyethylene, the insulating layer is welded to the outer wall of the cable tube body, and the insulating layer is used for preventing current leakage.
In order to prevent electromagnetic waves from interfering with the normal use of the cable tube body, the composite cable of the utility model is preferably characterized in that the shielding layer is made of tin-plated copper wires, the shielding layer is welded on the outer wall of the insulating layer, and the shielding layer is used for preventing electromagnetic waves from interfering with the normal use of the cable tube body.
In order to fill the internal gaps of the sheath layer and the shielding layer and improve the mechanical strength, the composite cable is preferably characterized in that the filling layer is made of paraffin, the filling layer is welded on the outer wall of the shielding layer, and the filling layer is used for improving the mechanical strength of the cable tube body.
In order to protect the filling layer from mechanical damage and corrosion of the external environment, the material of the sheath layer is preferably epoxy resin, the sheath layer is welded on the outer wall of the filling layer, and the sheath layer is used for protecting the filling layer from mechanical damage and corrosion of the external environment.
In order to enhance the tensile strength and the pressure resistance of the cable tube body, the cable tube body is suitable for long-distance laying and high-voltage application, and as a composite cable, the material of the reinforcing layer is preferably glass fiber reinforced material, the reinforcing layer is welded on the outer wall of the sheath layer, and the reinforcing layer is used for enhancing the tensile strength and the pressure resistance of the cable tube body.
In order to improve flame resistance of the reinforcing layer, slow down flame propagation speed and reduce fire risk, the composite cable is preferably characterized in that the flame retardant layer is made of chlorinated polyethylene, the flame retardant layer is welded on the outer wall of the reinforcing layer, and the flame retardant layer is used for flame resistance of the reinforcing layer.
3. Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
according to the cable tube, the conductive layer, the insulating layer, the shielding layer, the filling layer, the sheath layer, the reinforcing layer and the flame-retardant layer are arranged, when the cable tube is used, the conductive layer can increase the conductivity of the cable tube body, the insulating layer can prevent current leakage, the shielding layer can prevent electromagnetic waves from interfering with normal use of the cable tube body, the filling layer can fill the internal gaps of the sheath layer and the shielding layer, the sheath layer can protect the filling layer from mechanical damage and corrosion of external environment, the reinforcing layer can enhance the tensile strength and the pressure resistance of the cable tube body, the flame-retardant layer can improve the flame resistance of the reinforcing layer, the effect of preventing external electromagnetic interference from causing the cable tube body is achieved, and further the problems that in the prior art, the electric signal inside the cable tube body is influenced by an external electromagnetic field, the signal quality is reduced or distorted, and communication is interrupted, data is lost or wrong are effectively solved, so that the reliability and stability of the transmission of the cable tube body are affected are solved.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is a perspective cross-sectional view of the utility model at A-A in FIG. 2;
FIG. 4 is a right side view of the present utility model;
fig. 5 is an enlarged view of the utility model at a in fig. 3.
The reference numerals in the figures illustrate:
1. a cable tube body; 2. a conductive layer; 3. an insulating layer; 4. a shielding layer; 5. a filling layer; 6. a sheath layer; 7. a reinforcing layer; 8. a flame retardant layer.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides a composite cable, includes cable tube body 1, and the inside of cable tube body 1 is provided with conducting layer 2, is provided with insulating layer 3 on the outer wall of cable tube body 1, sets up shielding layer 4 on the outer wall of insulating layer 3, sets up filling layer 5 on the outer wall of shielding layer 4, is provided with restrictive coating 6 on the outer wall of filling layer 5, is provided with enhancement layer 7 on the outer wall of restrictive coating 6, is provided with fire-retardant layer 8 on the outer wall of enhancement layer 7.
In this embodiment: through setting up conducting layer 2, insulating layer 3, shielding layer 4, filling layer 5, restrictive coating 6, strengthening layer 7 and flame retardant coating 8, conducting layer 2 can increase the electric conductivity of cable tube body 1 when using, insulating layer 3 can prevent that the electric current from revealing, shielding layer 4 can prevent electromagnetic wave from interfering the normal use of cable tube body 1, filling layer 5 can fill the inside space of restrictive coating 6 and shielding layer 4, the restrictive coating 6 can protect filling layer 5 from mechanical damage and the erosion of external environment, strengthening layer 7 can strengthen the tensile strength and the withstand voltage ability of cable tube body 1, flame retardant coating 8 can improve the flame resistance of strengthening layer 7, the effect that external electromagnetic interference leads to cable tube body 1 has been reached, and then the inside signal quality of signal received the influence of external electromagnetic field of cable tube body 1 that exists in the effectual solution prior art, lead to signal quality decline or distortion, still can lead to communication interruption, data loss or mistake, thereby influence cable tube body 1 transmission's reliability and stability problem.
As a technical optimization scheme of the utility model, the conductive layer 2 is made of copper foil, the conductive layer 2 is filled in the cable tube body 1, and the conductive layer 2 is used for increasing the conductivity of the cable tube body 1.
In this embodiment: through setting up the conducting layer 2 that the material is the copper foil, the copper foil is usually used as shielding material for reduce the electromagnetic interference of cable pipe body 1, it can provide efficient electromagnetic shield, blocks outside electromagnetic signal's interference, keeps the integrality of cable pipe body 1 internal signal, and the copper foil has good conductive property and corrosion resistance, and it is soft relatively, is convenient for fold and installation.
As a technical optimization scheme of the utility model, the insulating layer 3 is made of crosslinked polyethylene, the insulating layer 3 is welded on the outer wall of the cable tube body 1, and the insulating layer 3 is used for preventing current leakage.
In this embodiment: by providing the insulating layer 3 made of crosslinked polyethylene, the crosslinked polyethylene is mainly used as an insulating material of the cable tube body 1, is used for isolating the central conductor of the cable tube body 1, and prevents current leakage and electrical failure, and has excellent electrical insulating properties, thermal stability and chemical resistance. It also has high mechanical strength and durability, and is suitable for various application environments.
As a technical optimization scheme of the utility model, the shielding layer 4 is made of tinned copper wires, the shielding layer 4 is welded on the outer wall of the insulating layer 3, and the shielding layer 4 is used for preventing electromagnetic waves from interfering with the normal use of the cable tube body 1.
In this embodiment: through setting up the shielding layer 4 of material for tinned copper wire, tinned copper wire is usually used as the shielding layer 4 of cable pipe body 1 for provide electromagnetic shield effect, prevent electromagnetic wave's interference, tinned copper wire has good conductive properties and corrosion resistance, and tinned copper wire's compliance makes it easy to crooked and install.
As a technical optimization scheme of the utility model, the filling layer 5 is made of paraffin, the filling layer 5 is welded on the outer wall of the shielding layer 4, and the filling layer 5 is used for improving the mechanical strength of the cable tube body 1.
In this embodiment: through setting up the filling layer 5 that the material is paraffin, the inside space of restrictive coating 6 and shielding layer 4 can be filled to paraffin to promote mechanical strength and waterproof performance, paraffin has excellent sealing performance and insulating properties, and it can cushion the inside stress of cable pipe body 1 to a certain extent, prevents that cable pipe body 1 from producing the damage when extrusion and crooked.
As a technical optimization scheme of the utility model, the material of the sheath layer 6 is epoxy resin, the sheath layer 6 is welded on the outer wall of the filling layer, and the sheath layer 6 is used for protecting the filling layer 5 from mechanical damage and corrosion of the external environment.
In this embodiment: by providing the jacket layer 6 of epoxy resin as a material, epoxy resin is generally used as a jacket material for the cable duct body 1 for protecting the cable duct body 1 from mechanical damage and corrosion from the external environment, and epoxy resin has excellent mechanical strength, wear resistance and corrosion resistance, it can provide reliable protection against the influence of external pressure, friction and chemicals.
As a technical optimization scheme of the utility model, the reinforcing layer 7 is made of glass fiber reinforced materials, the reinforcing layer 7 is welded on the outer wall of the sheath layer 6, and the reinforcing layer 7 is used for enhancing the tensile strength and the pressure resistance of the cable tube body 1.
In this embodiment: by providing the reinforcing layer 7 of glass fiber reinforced material, which is generally used for reinforcing the tensile strength and the pressure resistance of the cable tube body 1, the cable tube body 1 is suitable for long-distance laying and high-pressure application, and the glass fiber reinforced material has light weight, high strength and excellent mechanical properties, and can increase the tensile strength and the pressure resistance of the cable tube body 1 and maintain the shape stability of the cable tube body 1.
As a technical optimization scheme of the utility model, the flame-retardant layer 8 is made of chlorinated polyethylene, the flame-retardant layer 8 is welded on the outer wall of the reinforced layer 7, and the flame-retardant layer 8 is used for flame resistance of the reinforced layer.
In this embodiment: through setting up the flame retardant coating 8 that the material is chlorinated polyethylene, chlorinated polyethylene is usually used as the flame retardant material of cable tube body 1 for improve the flame resistance of cable tube body 1, slow down the spread speed of flame, and reduce the conflagration risk, chlorinated polyethylene has good fire resistance, wearability and corrosion resistance, and it can not produce poisonous gas when being heated, and can keep apart the inside heat source of cable tube body 1 effectively.
Working principle: when the cable tube is used, the conducting layer 2 is arranged in the cable tube body 1, then the insulating layer 3, the shielding layer 4, the filling layer 5, the sheath layer 6, the reinforcing layer 7 and the flame retardant layer 8 are sequentially arranged outside the cable tube body 1, then the conducting layer 2 can increase the conductivity of the cable tube body 1, the insulating layer 3 can prevent current leakage, the shielding layer 4 can prevent electromagnetic waves from interfering with the normal use of the cable tube body 1, the filling layer 5 can fill the inner gaps of the sheath layer 6 and the shielding layer 4, the sheath layer 6 can protect the filling layer 5 from mechanical damage and corrosion of the external environment, the tensile strength and the pressure resistance of the cable tube body 1 can be enhanced by the reinforcing layer 7, the flame retardant layer 8 can improve the flame resistance of the reinforcing layer 7, the effect of preventing the external electromagnetic interference from causing the cable tube body 1 is achieved, further the problems that in the prior art, the electric signal inside the cable tube body 1 is influenced by the external electromagnetic field, the signal quality is reduced or distorted, the communication is interrupted, the data is lost or the error is caused, and the reliability and the stability of the transmission of the cable tube body 1 are affected are effectively solved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. Composite cable, including cable duct body (1), its characterized in that: the cable tube is characterized in that the conducting layer (2) is arranged inside the cable tube body (1), the insulating layer (3) is arranged on the outer wall of the cable tube body (1), the shielding layer (4) is arranged on the outer wall of the insulating layer (3), the filling layer (5) is arranged on the outer wall of the shielding layer (4), the sheath layer (6) is arranged on the outer wall of the filling layer (5), the reinforcing layer (7) is arranged on the outer wall of the sheath layer (6), and the flame retardant layer (8) is arranged on the outer wall of the reinforcing layer (7).
2. A composite cable according to claim 1, wherein: the material of conducting layer (2) is the copper foil, conducting layer (2) are filled in the inside of cable tube body (1), conducting layer (2) are used for increasing the electric conductivity of cable tube body (1).
3. A composite cable according to claim 1, wherein: the material of insulating layer (3) is crosslinked polyethylene, insulating layer (3) butt fusion is on the outer wall of cable tube body (1), insulating layer (3) are used for preventing electric current leakage.
4. A composite cable according to claim 1, wherein: the material of shielding layer (4) is tinned copper wire, shielding layer (4) butt fusion is on the outer wall of insulating layer (3), shielding layer (4) are used for preventing electromagnetic wave interference normal use of cable pipe body (1).
5. A composite cable according to claim 1, wherein: the material of filling layer (5) is paraffin, filling layer (5) butt fusion is on the outer wall of shielding layer (4), filling layer (5) are used for promoting the mechanical strength of cable pipe body (1).
6. A composite cable according to claim 1, wherein: the material of restrictive coating (6) is epoxy, restrictive coating (6) butt fusion is on the outer wall of filling layer, restrictive coating (6) are used for protecting filling layer (5) from mechanical damage and the erosion of external environment.
7. A composite cable according to claim 1, wherein: the material of the reinforcing layer (7) is glass fiber reinforced material, the reinforcing layer (7) is welded on the outer wall of the sheath layer (6), and the reinforcing layer (7) is used for enhancing the tensile strength and the pressure resistance of the cable tube body (1).
8. A composite cable according to claim 1, wherein: the flame-retardant layer (8) is made of chlorinated polyethylene, the flame-retardant layer (8) is welded on the outer wall of the reinforcing layer (7), and the flame-retardant layer (8) is used for flame resistance of the reinforcing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322356682.7U CN220604353U (en) | 2023-08-31 | 2023-08-31 | Composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322356682.7U CN220604353U (en) | 2023-08-31 | 2023-08-31 | Composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220604353U true CN220604353U (en) | 2024-03-15 |
Family
ID=90170598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322356682.7U Active CN220604353U (en) | 2023-08-31 | 2023-08-31 | Composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220604353U (en) |
-
2023
- 2023-08-31 CN CN202322356682.7U patent/CN220604353U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203689969U (en) | Temperature-resistant and fire-resistant cable comprising carbon fiber composite tape | |
| CN220604353U (en) | Composite cable | |
| CN213070657U (en) | Composite high-flame-retardance rubber jacketed flexible cable of metal shielding optical fiber of coal mining machine | |
| CN210575195U (en) | Novel sheathed flame-retardant cable | |
| CN213958659U (en) | Multifunctional reinforced overhead insulated cable | |
| CN212990755U (en) | Cable with flame-retardant interlayer | |
| CN213092876U (en) | Polyvinyl chloride insulation power cable | |
| CN209822340U (en) | Teflon coaxial cable | |
| CN210640007U (en) | Fireproof cable | |
| CN203773988U (en) | Armoured cable of carbon fiber composite tape | |
| CN213366231U (en) | Communication cable with good wear-resistant and flame-retardant effects | |
| CN220439256U (en) | Halogen-free low-smoke flame-retardant environment-friendly control cable | |
| CN217086224U (en) | Flame-retardant corrosion-resistant communication cable | |
| CN216793353U (en) | Practical wire and cable of resistance to compression heat resistance | |
| CN214152509U (en) | High-reliability crosslinked cable with compact structure | |
| CN214796848U (en) | High temperature resistant radiation-resistant isolated flexible mineral insulation fireproof cable | |
| CN220651691U (en) | Tensile flame-retardant fire-resistant power cable | |
| CN210837238U (en) | Environment-friendly fireproof mineral cable | |
| CN220710013U (en) | Novel communication cable | |
| CN219512856U (en) | Cable containing carbon fiber composite core | |
| CN216793366U (en) | High flame-retardant insulated wire and cable | |
| CN219657917U (en) | High-strength glass fiber optical cable reinforcing core | |
| CN211654390U (en) | Flame-retardant fireproof weak current cable | |
| CN219591169U (en) | Environment-friendly flame-retardant cable for metal and nonmetal mines | |
| CN210403276U (en) | Mineral cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |