CN218525341U - Flexible mineral insulated cable - Google Patents
Flexible mineral insulated cable Download PDFInfo
- Publication number
- CN218525341U CN218525341U CN202221493987.1U CN202221493987U CN218525341U CN 218525341 U CN218525341 U CN 218525341U CN 202221493987 U CN202221493987 U CN 202221493987U CN 218525341 U CN218525341 U CN 218525341U
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- Prior art keywords
- layer
- wall
- retardant
- fire
- flame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 33
- 239000011707 mineral Substances 0.000 title claims abstract description 33
- 239000003063 flame retardant Substances 0.000 claims abstract description 103
- 229920001971 elastomer Polymers 0.000 claims abstract description 61
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 17
- 239000004677 Nylon Substances 0.000 claims abstract description 16
- 229920001778 nylon Polymers 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 10
- 239000001301 oxygen Substances 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 132
- 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 description 40
- 239000000779 smoke Substances 0.000 claims description 10
- 239000011241 protective layer Substances 0.000 claims description 5
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
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
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a flexible mineral insulated cable, including fire-retardant sheath, the outer wall of fire-retardant sheath is provided with fire-retardant phosphor strip, the inner wall of fire-retardant sheath is provided with rubber layer A, rubber layer A's inner wall connection has the PE waterproof layer, the inner wall of PE waterproof layer is provided with rubber layer B, rubber layer B's inner wall connection has the fire-retardant layer of mineral, the inner wall connection of the fire-retardant layer of mineral has the nylon layer, the inner wall connection of nylon layer has fire-retardant oxygen barrier, the inner wall connection on fire-retardant oxygen barrier has rubber layer C, the inner wall connection on the rubber layer C of telling has the elastic layer, the inner wall connection of elastic layer has rubber layer D, rubber layer D's inner wall connection has the armor, the inner wall connection of armor has around the covering, be provided with fire-retardant filler around the inside of covering, the inside of fire-retardant filler is provided with the sinle silk inoxidizing coating, the inner wall connection of sinle silk inoxidizing coating has the anaerobic copper core sinle silk, the utility model discloses a flexible mineral insulated cable has been made up to the material of each part.
Description
Technical Field
The utility model relates to an insulated cable field especially relates to a flexible mineral insulated cable.
Background
The mineral insulated cable can be divided into rigid and flexible cables according to the structure, and the rigid mineral insulated cable has high technological conditions and high installation difficulty, so that the flexible mineral insulated cable is a mainstream cable product, and the mineral insulated cable is widely applied to occasions such as high-rise buildings, petrochemical industry, airports, tunnels, ships, offshore oil platforms, aerospace, ferrous metallurgy, shopping centers, parking lots and the like.
Common flexible mineral insulated cable on the market has general fireproof and waterproof performance and poor impact resistance, easily causes the conductor to be damaged or even broken when being impacted, and has poor mechanical impact resistance and waterproof performance under the condition of fire, thereby bringing about accident potential.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a flexible mineral insulated cable.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a flexible mineral insulated cable, including fire-retardant sheath, the outer wall of fire-retardant sheath is provided with fire-retardant phosphor strip, the inner wall of fire-retardant sheath is provided with rubber layer A, leave the clearance between fire-retardant sheath and the rubber layer A and form cushion chamber A, rubber layer A's inner wall connection has the PE waterproof layer, the inner wall of PE waterproof layer is provided with rubber layer B, leave the clearance between PE waterproof layer and the rubber layer B and form cushion chamber B, rubber layer B's inner wall connection has the fire-retardant layer of mineral, the inner wall connection of the fire-retardant layer of mineral has the nylon layer, the inner wall connection of nylon layer has fire-retardant oxygen barrier, the inner wall connection of fire-retardant oxygen barrier has rubber layer C, the inner wall connection on rubber layer C of telling has the elastic layer, the inner wall connection of elastic layer has rubber layer D, rubber layer D's inner wall connection has the armor, the inner wall connection of armor has around the covering, the inside of covering is provided with fire-retardant filler, the inside of fire-retardant filler is provided with the sinle silk inoxidizing coating, the inner wall connection of sinle silk inoxidizing coating has the oxygen copper sinle silk.
As a further description of the above technical solution:
the inner wall fixedly connected with fire-retardant sheath of fire-retardant phosphor strip, the material of fire-retardant sheath is low smoke and zero halogen sheath.
As a further description of the above technical solution:
the inner wall fixed connection of fire-retardant phosphor strip is at the outer wall of fire-retardant sheath, and the shape of fire-retardant phosphor strip is the sparse arrow shape of fire control, and the quantity of fire-retardant phosphor strip has a plurality of.
As a further description of the above technical solution:
a buffer cavity A is formed by a gap between the inner wall of the flame-retardant sheath and the outer wall of the rubber layer A, a buffer cavity B is formed by a gap between the inner wall of the PE waterproof layer and the outer wall of the rubber layer B, and the buffer cavity A and the buffer cavity B are both annular in shape.
As a further description of the above technical solution:
and a mineral flame-retardant layer is arranged between the inner wall of the rubber layer B and the outer wall of the nylon layer, and is made of ceramic silicon rubber.
As a further description of the above technical solution:
and a flame-retardant oxygen-isolating layer is arranged between the inner wall of the nylon layer and the outer wall of the rubber layer C, and is an environment-friendly halogen-free low-smoke high-flame-retardant polyolefin material.
As a further description of the above technical solution:
the gap between the inner wall of the wrapping layer and the outer wall of the wire core protective layer is filled with flame-retardant filler, and the flame-retardant filler is magnesium oxide powder.
The utility model discloses following beneficial effect has: the utility model discloses a through fire-retardant sheath, the fire-retardant layer of mineral, fire-retardant oxygen layer that separates, these parts of fire-retardant filler have improved the fire behavior of cable, pass through cushion chamber A when the cable needs to be crooked, cushion chamber B, rubber layer A, rubber layer B, rubber layer C, these parts of rubber layer D and elastic layer make the cable flexible better, the cable is spouted electric leakage behind the water when the PE waterproof layer can prevent fire control fire fighting, fire-retardant phosphor strip not only has the suggestion passerby and reduces the risk of artificial electric shock in addition, also can prevent that the cable is impaired when ground friction, because this cable is applied to high-rise building more, the airport, the tunnel, shopping center, occasions such as parking area, so under the condition that unexpected conflagration or power failure take place, people can escape to correct fire control export through the arrow direction on the fire-retardant phosphor strip.
Drawings
Fig. 1 is a cross-sectional structural view of a flexible mineral insulated cable according to the present invention;
fig. 2 is a diagram of a flame-retardant sheath portion of a flexible mineral-insulated cable according to the present invention;
fig. 3 is a diagram of a PE waterproof layer part of a flexible mineral insulated cable according to the present invention;
fig. 4 is a view of a part of a mineral flame retardant layer of a flexible mineral insulated cable according to the present invention.
Illustration of the drawings:
1. a flame retardant jacket; 2. a flame retardant phosphor strip; 3. a rubber layer A; 4. a buffer chamber A; 5. a PE waterproof layer; 6. a rubber layer B; 7. a buffer chamber B; 8. a mineral flame retardant layer; 9. a nylon layer; 10. a flame retardant oxygen barrier layer; 11. a rubber layer C; 12. an elastic layer; 13. a rubber layer D; 14. an armor layer; 15. wrapping a covering; 16. a flame retardant filler; 17. a wire core protective layer; 18. an oxygen-free copper wire core.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a flexible mineral insulated cable, including fire-retardant sheath 1, the outer wall of fire-retardant sheath 1 is provided with fire-retardant phosphor strip 2, the inner wall of fire-retardant sheath 1 is provided with rubber layer A3, leave the clearance between fire-retardant sheath 1 and the rubber layer A3 and form cushion chamber A4, the inner wall of rubber layer A3 is connected with PE waterproof layer 5, the inner wall of PE waterproof layer 5 is provided with rubber layer B6, leave the clearance between PE waterproof layer 5 and the rubber layer B6 and form cushion chamber B7, the inner wall of rubber layer B6 is connected with the fire-retardant layer 8 of mineral, the inner wall of the fire-retardant layer 8 of mineral is connected with nylon layer 9, the inner wall of nylon layer 9 is connected with fire-retardant oxygen barrier layer 10, the inner wall of fire-retardant oxygen barrier layer 10 is connected with rubber layer C11, the inner wall of rubber layer C11 is connected with elastic layer 12, the inner wall of elastic layer 12 is connected with rubber layer D13, the inner wall of rubber layer D13 is connected with armor layer 14, the inner wall of armor layer 14 is connected with around covering 15, the inner wall of armor layer 15, the inside of armor layer is provided with fire-retardant filler 16, the inside of fire-retardant filler is provided with inoxidizing coating 17, the inner wall of winding covering 17 is connected with copper core 18 around the winding.
The flame-retardant sheath 1 of the inner wall fixedly connected with of the flame-retardant phosphor strip 2, the material of the flame-retardant sheath 1 is a low-smoke halogen-free sheath, and the flame-retardant sheath has the characteristics of low smoke, no toxicity, flame retardance, long service life and high temperature resistance, and can protect personnel and equipment from being contacted with toxic and corrosive gas.
Inner wall fixed connection at fire-retardant sheath 1's outer wall of fire-retardant phosphor strip 2, the shape of fire-retardant phosphor strip 2 is the sparse arrow shape of fire control, and the quantity of fire-retardant phosphor strip 2 has a plurality of for the suggestion passerby has the risk that the cable reduces the artificial electric shock, also can prevent that the cable is impaired when ground friction, under the condition that the conflagration that takes place to meet accident or have a power failure, people can escape to correct fire control export through the arrow direction on the fire-retardant phosphor strip 2.
The clearance between the inner wall of fire-retardant sheath 1 and the outer wall of rubber layer A3 forms cushion chamber A4, clearance between the inner wall of PE waterproof layer 5 and the outer wall of rubber layer B6 forms cushion chamber B7, cushion chamber A4 and cushion chamber B7's shape all forms the circularity, when the cable needs to be crooked, the structure that makes the 18 outsides of anaerobic copper conductor core has sufficient space of contracting in, deformation for the cable entity structure provides sufficient space, improve the softness of cable characteristic, be difficult for causing the cable fracture, the safety in utilization is higher.
The mineral flame-retardant layer 8 is arranged between the inner wall of the rubber layer B6 and the outer wall of the nylon layer 9, the mineral flame-retardant layer 8 is made of ceramic silicon rubber, has excellent characteristics of fire prevention, flame retardance, low smoke, no toxicity and the like, has a good insulating effect, is low in smoke toxicity, low in water absorption, stable in insulating property and good in environmental protection performance, and plays a role in reinforcing protection in electric power transportation under the condition of ensuring fire.
A flame-retardant oxygen-isolating layer 10 is arranged between the inner wall of the nylon layer 9 and the outer wall of the rubber layer C11, and the flame-retardant oxygen-isolating layer 10 is an environment-friendly halogen-free low-smoke high-flame-retardant polyolefin material and has the characteristics of small density, good water resistance, excellent low-temperature resistance, good chemical stability, good mechanical strength, electrical insulation and the like.
The gap between the inner wall of the wrapping layer 15 and the outer wall of the wire core protective layer 17 is filled with the flame-retardant filler 16, the flame-retardant filler 16 is magnesium oxide powder, more than 80% of death accidents in fire disasters are caused by dense smoke and toxic gas generated by material combustion, and the magnesium oxide has excellent alkali resistance and electric insulation property at high temperature, is odorless, tasteless and nontoxic, is fireproof and heat-insulating, and is energy-saving and environment-friendly.
The working principle is as follows: use during the cable, lay the installation by operating personnel, when the cable needs the bending, rubber layer A3, rubber layer B6, rubber layer C11, rubber layer D13, elastic layer 12 can increase the soft characteristic of cable, cushion chamber A4, cushion chamber B7 makes the structure in the 18 outside of anaerobic copper core have sufficient retraction space, make the difficult fracture of cable, high in use safety, when the conflagration breaing out, 1 protective personnel of flame retardant sheath and equipment can not contact the toxicity, corrosive gas, flame retardant phosphor strip 2 lets people can escape to the exact fire control export through the arrow point direction of flame retardant phosphor strip 2, PE waterproof layer 5 can prevent that fire fighter water spray from spouting on the cable when the fire fighting and lead to the electric leakage and cause the casualties, mineral flame retardant layer 8 has played reinforced protection effect in the electric power transportation under the conflagration circumstances, nylon layer 9 has wearability and better corrosion resistance, armor layer 14 has good machinery, resistance, antimagnetic fire prevention, performances such as easily can be prevented bent, it is the cigarette and the gaseously that the material burning produced and is the harm that the fire hazard in more than 80% of fire hazard, and the practicality can avoid in the conflagration dense casualties.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (7)
1. A flexible mineral-insulated cable comprising a flame-retardant sheath (1), characterized in that: the outer wall of the flame-retardant sheath (1) is provided with a flame-retardant fluorescent strip (2), the inner wall of the flame-retardant sheath (1) is provided with a rubber layer A (3), a gap is reserved between the flame-retardant sheath (1) and the rubber layer A (3) to form a buffer cavity A (4), the inner wall of the rubber layer A (3) is connected with a PE waterproof layer (5), the inner wall of the PE waterproof layer (5) is provided with a rubber layer B (6), a gap is reserved between the PE waterproof layer (5) and the rubber layer B (6) to form a buffer cavity B (7), the inner wall of the rubber layer B (6) is connected with a mineral flame-retardant layer (8), the inner wall of the mineral flame-retardant layer (8) is connected with a nylon layer (9), the inner wall of the nylon layer (9) is connected with a flame-retardant oxygen-insulating layer (10), the inner wall of the flame-retardant oxygen-insulating layer (10) is connected with a rubber layer C (11), the inner wall of the rubber layer C (11) is connected with an elastic layer (12), the inner wall of the elastic layer (12) is connected with a rubber layer D (13), the inner wall of the armor layer D (13) is connected with an armor layer (14), the inner wall of the armor layer (15) is connected with a filler (16), and the inner wall of the armor layer (15) is provided with a filler (17) and the filler (17) is arranged inside the armor layer (16), the inner wall of the wire core protective layer (17) is connected with an oxygen-free copper wire core (18).
2. A flexible mineral-insulated cable according to claim 1, characterized in that: the inner wall fixedly connected with fire-retardant sheath (1) of fire-retardant phosphor strip (2), the material of fire-retardant sheath (1) is low smoke and zero halogen sheath.
3. A flexible mineral-insulated cable according to claim 1, characterized in that: the inner wall fixed connection of fire-retardant phosphor strip (2) is at the outer wall of fire-retardant sheath (1), the shape of fire-retardant phosphor strip (2) is the fire control sparse arrow shape, the quantity of fire-retardant phosphor strip (2) has a plurality of.
4. A flexible mineral-insulated cable according to claim 1, characterized in that: a buffer cavity A (4) is formed in a gap between the inner wall of the flame-retardant sheath (1) and the outer wall of the rubber layer A (3), a buffer cavity B (7) is formed in a gap between the inner wall of the PE waterproof layer (5) and the outer wall of the rubber layer B (6), and the buffer cavity A (4) and the buffer cavity B (7) are both annular in shape.
5. A flexible mineral-insulated cable according to claim 1, characterized in that: and a mineral flame-retardant layer (8) is arranged between the inner wall of the rubber layer B (6) and the outer wall of the nylon layer (9), and the mineral flame-retardant layer (8) is made of a ceramic silicon rubber material.
6. A flexible mineral-insulated cable according to claim 1, characterized in that: be provided with fire-retardant oxygen layer (10) that separate between the inner wall of nylon layer (9) and the outer wall of rubber layer C (11), fire-retardant oxygen layer (10) that separate is the high fire-retardant polyolefin material of environmental protection halogen-free low smoke type.
7. A flexible mineral-insulated cable according to claim 1, characterized in that: the cable core is characterized in that a flame-retardant filler (16) is filled in a gap between the inner wall of the wrapping layer (15) and the outer wall of the cable core protective layer (17), and the flame-retardant filler (16) is magnesium oxide powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221493987.1U CN218525341U (en) | 2022-06-15 | 2022-06-15 | Flexible mineral insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221493987.1U CN218525341U (en) | 2022-06-15 | 2022-06-15 | Flexible mineral insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218525341U true CN218525341U (en) | 2023-02-24 |
Family
ID=85237175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221493987.1U Expired - Fee Related CN218525341U (en) | 2022-06-15 | 2022-06-15 | Flexible mineral insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218525341U (en) |
-
2022
- 2022-06-15 CN CN202221493987.1U patent/CN218525341U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230224 |