CN215577780U - Cable easy to disassemble and assemble - Google Patents
Cable easy to disassemble and assemble Download PDFInfo
- Publication number
- CN215577780U CN215577780U CN202122067106.1U CN202122067106U CN215577780U CN 215577780 U CN215577780 U CN 215577780U CN 202122067106 U CN202122067106 U CN 202122067106U CN 215577780 U CN215577780 U CN 215577780U
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- protective layer
- electric
- sheath
- electric unit
- conductor
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Abstract
The utility model belongs to the field of cables, and particularly relates to a cable easy to disassemble and assemble, which is provided with an outer protective layer, at least three electric units and a central reinforcing piece, and is characterized in that the electric units are composed of a first electric unit protective layer, a first electric conductor, a second electric conductor and a second electric unit protective layer, the first electric conductor is positioned in the first electric unit protective layer, the second electric conductor is positioned in the second electric unit protective layer, the upper ends of the first electric unit protective layer and the second electric unit protective layer are connected through a connecting part, a clamping groove is formed between the first electric unit protective layer and the second electric unit protective layer, a first opening is formed on the first electric unit protective layer, a second opening is formed on the second electric unit protective layer, and clamping strips with the same number as the electric units are arranged on the outer edge of the central reinforcing piece The novel high-pressure-resistant cable has the beneficial effects of convenience in maintenance, large current-carrying capacity, good pressure resistance and the like.
Description
Technical Field
The utility model belongs to the field of cables, and particularly relates to a cable easy to disassemble and assemble.
Background
With the continuous development of domestic power grid construction, more and more cables need to be maintained and laid every year, and whether the cables can be quickly decomposed is receiving more and more attention of customers.
For example, CN203376503U discloses a loose-jacketed stranded cable, which comprises: the cable comprises a cable core, a composite belt arranged outside the cable core and water-blocking cable paste filled between the composite belt and the cable core, wherein the cable core comprises a plurality of loose tubes and optical fibers arranged in the loose tubes, the loose tubes are filled with the water-blocking fiber paste, a reinforced core is arranged at the center of the cable core, the loose tubes are twisted around the reinforced core, the composite belt and an outer sleeve are sequentially arranged outside the cable core, the outer sleeve comprises an inner sheath and an outer sheath, and a double-sided plastic-coated steel wire sheath is arranged between the inner sheath and the outer sheath.
The above prior art has the following disadvantages: 1. when the cable is constructed, the internal electric unit can be removed only by destroying the electric unit protective layer; after construction is finished, the concrete cannot be installed back and forth, and binding with a binding belt and the like is needed; the cable is inconvenient to peel and separate.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses a cable easy to disassemble and assemble, which is implemented by the following technical solution.
A cable easy to disassemble and assemble is provided with an outer protective layer, at least three electric units and a central reinforcing piece, wherein the electric units are positioned outside the central reinforcing piece, and the outer protective layer is extruded outside the electric units, and is characterized in that the electric units are composed of a first electric unit protective layer, a first electric conductor, a second electric conductor and a second electric unit protective layer, a first electric conductor containing cavity is formed inside the first electric unit protective layer, a second electric conductor containing cavity is formed inside the second electric unit protective layer, the first electric conductor is positioned in the first electric unit protective layer, the second electric conductor is positioned in the second electric unit protective layer, the upper ends of the first electric unit protective layer and the second electric unit protective layer are connected through a connecting part, a clamping groove is formed between the first electric unit protective layer and the second electric unit protective layer, a first opening is formed on the first electric unit protective layer, a second opening is formed on the second electric unit protective layer, and the central reinforcing piece is composed of a central reinforcing piece main body, the outer edge of the central reinforcing part main body is also provided with clamping strips with the same number as the electric units.
The cable easy to disassemble and assemble is characterized in that the first electric conductor and the second electric conductor are in an arc shape, the first electric unit sheath is in an arc shape, the first electric conductor accommodating cavity is in an arc shape, the second electric unit sheath is in an arc shape, the second electric conductor accommodating cavity is in an arc shape, the first opening is located at the intersection of the arc edge of the first electric unit sheath and the left straight edge, the second opening is located at the intersection of the arc edge of the second electric unit sheath and the right straight edge, and the outer edges of the arc edge of the first electric unit sheath and the second electric unit sheath and the outer edge of the connecting part are located on the same circle.
The cable easy to disassemble and assemble is characterized in that the first electric conductor and the second electric conductor are fan-shaped, the first electric unit sheath is fan-shaped, the first electric conductor accommodating cavity is fan-shaped, the second electric unit sheath is fan-shaped, the second electric conductor accommodating cavity is fan-shaped, the first opening is located at the intersection of the upper arc edge and the left straight edge of the first electric unit sheath, the second opening is located at the intersection of the upper arc edge and the right straight edge of the second electric unit sheath, and the outer edges of the upper arc edges of the first electric unit sheath and the second electric unit sheath and the outer edge of the connecting part are located on the same circle.
According to the cable easy to disassemble and assemble, as the electric unit is fan-shaped, the space between the outer protective layer and the central reinforcement main body is fully utilized, the sectional area of the conductor is increased, and the current-carrying capacity of the cable is increased; meanwhile, the contact area between the electric unit and the outer protective layer is larger, and the compression resistance of the cable is improved.
The cable of easy dismouting installation, its characterized in that form a first spacing groove on the first electric unit sheath of draw-in groove one side, form a second spacing groove on the second electric unit sheath of opposite side, card strip one side is equipped with a first stopper that corresponds with first spacing groove, and first stopper card is gone into corresponding first spacing groove, and opposite side card strip is equipped with a second stopper that corresponds with the second spacing groove, and second stopper card is gone into corresponding second spacing groove, distance between two adjacent electric units is greater than the degree of depth of first spacing groove and second spacing groove, separates electric unit from central reinforcement during the construction of being convenient for.
According to the cable easy to disassemble and assemble, the electric unit is combined with the central reinforcing piece through the first limiting block, the second limiting block and the central reinforcing piece, so that the electric unit cannot be separated from the central reinforcing piece under the condition that the electric unit is not bundled by binding yarns or wrapped by a wrapping tape; and a gap is formed between every two adjacent electric units, so that the heat dissipation performance of the cable is enhanced, the current passing through the electric units under the condition of emitting the same heat is larger, the current-carrying capacity of the cable is indirectly increased, the thermal aging time of the first electric unit protective layer and the second electric unit protective layer is prolonged, and the service life of the outer protective layer is prolonged.
The cable easy to disassemble and assemble is characterized in that the clamping strip is clamped into the clamping groove of the corresponding electric unit, and the outer edge of the outer protective layer forms an opening.
The cable easy to disassemble and assemble is characterized in that the outer protective layer material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The cable easy to disassemble and assemble is characterized in that the first electric unit protective layer, the second electric unit protective layer and the connecting component are integrally formed.
The cable easy to disassemble and assemble is characterized in that the first electric unit protective layer, the second electric unit protective layer and the connecting component are made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The cable easy to disassemble and assemble is characterized in that the central reinforcing piece is made of steel.
The cable easy to disassemble and assemble is characterized in that the depth of the clamping groove is greater than or equal to the height of the clamping strip.
The electric unit is fixed on the central reinforcement through the clamping strip and the clamping groove, and is used for positioning the electric unit and facilitating the electric unit to be taken down from the central reinforcement; the first opening and the second opening are formed on the first electric unit protective layer and the second electric unit protective layer, so that the first electric conductor and the second electric conductor inside can be quickly taken out and put back without damaging the first electric unit protective layer and the second electric unit protective layer, the construction efficiency is improved, and after the construction is finished, the construction is not required to be bound by a binding tape, only the electric units are required to be inserted back into the clamping strips, and the electric units cannot be wound, so that the wire arrangement is facilitated; meanwhile, the first conductor and the second conductor can be placed in the later period, so that later maintenance is facilitated.
When the cable core is constructed, the outer protective layer can be broken to a required length from the stripping opening, the cable core inside the cable core is taken out, the electric unit is taken down from the central reinforcing piece, the first electric conductor and the second electric conductor are taken out from the first electric unit protective layer and the second electric unit protective layer, the electric conductors are placed back into the corresponding protective layers after connection is completed, and then the electric units are inserted back into the clamping strips.
Therefore, the cable core has the advantages of simple structure, convenience in disassembly, capability of installing the cable core back, high construction efficiency, convenience in maintenance, large carrying capacity, good compression resistance and the like.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of an electrical unit in embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of an electrical unit in embodiment 2 of the present invention.
Fig. 5 is a schematic structural view of a central reinforcing member according to embodiments 1 and 2 of the present invention.
Fig. 6 is a schematic structural diagram of embodiment 3 of the present invention.
Fig. 7 is a schematic structural diagram of an electrical unit according to embodiment 3 of the present invention.
Fig. 8 is a schematic structural view of a central reinforcing member according to embodiment 3 of the present invention.
In the figure: 1. the cable comprises an outer protection layer, 11, a stripping opening, 2, an electric unit, 21, a first electric unit protection layer, 22, a first conductor containing cavity, 23, a clamping groove, 24, a first opening, 251, a first conductor, 252, a second conductor, 261, a first limiting groove, 262, a second limiting groove, 27, a second opening, 28, a second electric unit protection layer, 29, a second conductor containing cavity, 3, a central reinforcing member, 31, a central reinforcing member main body, 32, a clamping strip, 331, a first limiting block, 332 and a second limiting block.
Detailed Description
Example 1
Referring to fig. 1, 2 and 5, an easy-to-disassemble and assemble cable includes an outer sheath 1, at least three electrical units 2 and a central reinforcement 3, the electrical units 2 are located outside the central reinforcement 3, the outer sheath 1 is extruded outside the electrical units 2, and the cable is characterized in that the electrical units 2 are composed of a first electrical unit sheath 21, a first conductor 251, a second conductor 252 and a second electrical unit sheath 28, the first conductor 251 and the second conductor 252 are arc-shaped, the first electrical unit sheath 21 is arc-shaped and forms an arc-shaped first conductor cavity 22 inside, the second electrical unit sheath 28 is arc-shaped and forms an arc-shaped second conductor cavity 29 inside, the first conductor 251 is located in the first electrical unit sheath 21, the second conductor 252 is located in the second electrical unit sheath 28, the upper ends of the first electrical unit sheath 21 and the second electrical unit sheath 28 are connected through a connecting component, form draw-in groove 23 between first electric unit sheath 21 and the second electric unit sheath 28, first opening 24 is formed to first electric unit sheath 21 arc limit and left straight flange intersection, and second electric unit sheath 28 arc limit and the right side straight flange intersection on right side form second opening 27, the arc limit outer fringe of first electric unit sheath 21 and second electric unit sheath 28 and adapting unit's outer fringe are located same circle, central reinforcement 3 constitutes with central reinforcement main part 31, central reinforcement main part 31 outer fringe still is equipped with the card strip 32 the same with electric unit 2 quantity, card strip 32 card is gone into to correspond in electric unit 2's the draw-in groove 23, outer jacket 1 outer fringe forms one and opens and shells mouth 11.
Example 2
Referring to fig. 3, 4 and 5, an easy-to-disassemble and assemble cable includes an outer sheath 1, at least three electrical units 2 and a central reinforcement 3, the electrical units 2 are located outside the central reinforcement 3, the outer sheath 1 is extruded outside the electrical units 2, and the cable is characterized in that the electrical units 2 are composed of a first electrical unit sheath 21, a first conductor 251, a second conductor 252 and a second electrical unit sheath 28, the first conductor 251 and the second conductor 252 are fan-shaped, the first electrical unit sheath 21 is fan-shaped and forms a fan-shaped first conductor cavity 22 inside, the second electrical unit sheath 28 is fan-shaped and forms a fan-shaped second conductor cavity 29 inside, the first conductor 251 is located in the first electrical unit sheath 21, the second conductor 252 is located in the second electrical unit sheath 28, the upper ends of the first electrical unit sheath 21 and the second electrical unit sheath 28 are connected through a connecting component, form draw-in groove 23 between first electric unit sheath 21 and the second electric unit sheath 28, first opening 24 is formed to first electric unit sheath 21 upper end arc limit and left side straight flange intersection, and second electric unit sheath 28 upper end arc limit and right side straight flange intersection form second opening 27, the upper end arc limit outer fringe of all first electric unit sheaths 21 and second electric unit sheath 28 and adapting unit's outer fringe are located same circle, central reinforcement 3 constitutes with central reinforcement main part 31, central reinforcement main part 31 outer fringe still is equipped with the card strip 32 the same with electric unit 2 quantity, card strip 32 card is gone into in the draw-in groove 23 that corresponds electric unit 2, outer jacket 1 outer fringe forms one and peels off mouth 11, two adjacent electric unit 2 hug closely each other.
Compared with embodiment 1, because the electrical unit 2 is fan-shaped, the space between the outer protective layer 1 and the central reinforcement main body 31 is fully utilized, the sectional area of the conductor is increased, and the current-carrying capacity of the cable is increased; meanwhile, the contact area between the electric unit 2 and the outer protective layer 1 is larger, and the compression resistance of the cable is improved.
Example 3
Referring to fig. 6, 7 and 8, an easy-to-disassemble and assemble cable includes an outer sheath 1, at least three electrical units 2 and a central reinforcement 3, the electrical units 2 are located outside the central reinforcement 3, the outer sheath 1 is extruded outside the electrical units 2, and the cable is characterized in that the electrical units 2 are composed of a first electrical unit sheath 21, a first conductor 251, a second conductor 252 and a second electrical unit sheath 28, the first conductor 251 and the second conductor 252 are fan-shaped, the first electrical unit sheath 21 is fan-shaped and forms a fan-shaped first conductor cavity 22 inside, the second electrical unit sheath 28 is fan-shaped and forms a fan-shaped second conductor cavity 29 inside, the first conductor 251 is located in the first electrical unit sheath 21, the second conductor 252 is located in the second electrical unit sheath 28, the upper ends of the first electrical unit sheath 21 and the second electrical unit sheath 28 are connected through a connecting component, a clamping groove 23 is formed between the first electric unit sheath 21 and the second electric unit sheath 28, a first opening 24 is formed at the intersection of the upper end arc edge and the left side straight edge of the first electric unit sheath 21, a second opening 27 is formed at the intersection of the upper end arc edge and the right side straight edge of the second electric unit sheath 28, the upper end arc edge outer edges of all the first electric unit sheaths 21 and the second electric unit sheaths 28 and the outer edges of the connecting parts are positioned on the same circle, the central reinforcement 3 and the central reinforcement main body 31 are formed, the outer edge of the central reinforcement main body 31 is further provided with clamping strips 32 with the same number as that of the electric units 2, the clamping strips 32 are clamped into the clamping grooves 23 corresponding to the electric units 2, the outer edge of the outer sheath 1 forms a stripping opening 11, a first limiting groove 261 is formed on the first electric unit sheath 21 on one side of the clamping groove 23, and a second limiting groove 262 is formed on the second electric unit sheath 28 on the other side, card strip 32 one side is equipped with a first stopper 331 that corresponds with first spacing groove 261, and first stopper 331 blocks into corresponding first spacing groove 261, and opposite side card strip 32 is equipped with a second stopper 332 that corresponds with second spacing groove 262, and second stopper 332 blocks into corresponding second spacing groove 262, the distance between two adjacent electric unit 2 is greater than the degree of depth of first spacing groove 261 and second spacing groove 262, separates electric unit 2 from center reinforcement 3 during the construction of being convenient for.
Compared with embodiment 2, the electric unit 2 enhances the bonding strength between the electric unit 2 and the central reinforcement member 3 through the first limiting block 331, the second limiting block 332 and the central reinforcement member 3, so that the electric unit 2 does not separate from the central reinforcement member 3 under the condition that the electric unit 2 is not bundled by binding yarns or coated by binding tapes; and a gap is formed between two adjacent electric units 2, so that the heat dissipation performance of the cable is enhanced, the current passing through the electric units 2 under the condition of emitting the same heat is larger, the current-carrying capacity of the cable is indirectly increased, the thermal aging time of the first electric unit protective layer 21 and the second electric unit protective layer 28 is prolonged, and the service life of the outer protective layer 1 is prolonged.
The cable easy to disassemble and assemble in any embodiment is characterized in that the outer sheath layer 1 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
An easy-to-disassemble and assemble cable according to any of the above embodiments, wherein the first electrical unit sheath 21, the second electrical unit sheath 28 and the connecting component are integrally formed.
The cable of any embodiment is characterized in that the first electrical unit sheath 21, the second electrical unit sheath 28 and the connecting component are made of low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
The cable easy to disassemble and assemble according to any embodiment is characterized in that the central reinforcing member 3 is made of steel.
The cable easy to disassemble and assemble according to any of the above embodiments is characterized in that the depth of the clamping groove 23 is greater than or equal to the height of the clamping strip 32.
According to the utility model, the electric unit 2 is fixed on the central reinforcing part 3 through the clamping strip 32 and the clamping groove 23, so that the electric unit 2 is positioned and the electric unit 2 is conveniently taken down from the central reinforcing part 3; the first opening 24 and the second opening 27 are formed on the first electric unit protective layer 21 and the second electric unit protective layer 28, so that the first conductor 251 and the second conductor 252 inside can be quickly taken out and put back without damaging the first electric unit protective layer 21 and the second electric unit protective layer 28, the construction efficiency is improved, and after the construction is finished, the construction is not required to be bound by a binding tape, only the electric unit 2 needs to be inserted back into the clamping strip 32, and all the electric units cannot be wound, so that the wire arrangement is convenient; meanwhile, the first conductor 251 and the second conductor 252 can be placed at a later stage, so that later maintenance is facilitated.
During construction, the outer sheath 1 can be broken to a required length from the stripping opening 11, the cable core inside the cable core is taken out, the electric unit 2 is taken down from the central reinforcement 3, the first electric conductor 251 and the second electric conductor 252 are taken out from the first electric unit sheath 21 and the second electric unit sheath 28, the electric conductors are placed back into the corresponding protective layers after connection is completed, and the electric unit 2 is inserted back into the clamping strip 32.
The utility model solves the problems that the cable is not easy to disassemble and the cable unit is not easy to install and return during the construction in the prior art.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.
Claims (10)
1. A cable easy to disassemble and assemble is provided with an outer protective layer (1), at least three electric units (2) and a central reinforcing piece (3), wherein the electric units (2) are positioned outside the central reinforcing piece (3), the outer protective layer (1) is extruded outside the electric units (2), and the cable is characterized in that the electric units (2) are composed of a first electric unit protective layer (21), a first conductor (251), a second conductor (252) and a second electric unit protective layer (28), a first conductor containing cavity (22) is formed inside the first electric unit protective layer (21), a second conductor containing cavity (29) is formed inside the second electric unit protective layer (28), the first conductor (251) is positioned in the first electric unit protective layer (21), the second conductor (252) is positioned in the second electric unit protective layer (28), the upper ends of the first electric unit protective layer (21) and the second electric unit protective layer (28) are connected through a connecting part, a clamping groove (23) is formed between the first electric unit protective layer (21) and the second electric unit protective layer (28), a first opening (24) is formed on the first electric unit protective layer (21), a second opening (27) is formed on the second electric unit protective layer (28), the central reinforcer (3) and the central reinforcer main body (31) are formed, and clamping strips (32) with the same number as the electric units (2) are further arranged on the outer edge of the central reinforcer main body (31).
2. The cable easy to disassemble and assemble as claimed in claim 1, wherein the first conductor (251) and the second conductor (252) are both arc-shaped, the first electrical unit sheath (21) is arc-shaped, the first conductor cavity (22) is arc-shaped, the second electrical unit sheath (28) is arc-shaped, the second conductor cavity (29) is arc-shaped, the first opening (24) is located at the intersection of the arc edge of the first electrical unit sheath (21) and the straight edge on the left side, the second opening (27) is located at the intersection of the arc edge of the second electrical unit sheath (28) and the straight edge on the right side, and the arc edge outer edges of the first electrical unit sheath (21) and the second electrical unit sheath (28) and the outer edge of the connecting component are located on the same circle.
3. The cable of claim 1, wherein the first conductor (251) and the second conductor (252) are both in a fan shape, the first electrical element sheath (21) is in a fan shape, the first conductor cavity (22) is in a fan shape, the second electrical element sheath (28) is in a fan shape, the second conductor cavity (29) is in a fan shape, the first opening (24) is located at a junction of an upper arc edge and a left straight edge of the first electrical element sheath (21), the second opening (27) is located at a junction of an upper arc edge and a right straight edge of the second electrical element sheath (28), and outer edges of the upper arc edges and outer edges of the connecting members of the first electrical element sheath (21) and the second electrical element sheath (28) are located on the same circle.
4. The cable easy to disassemble and assemble according to claim 3, wherein a first limiting groove (261) is formed on the first electric unit sheath (21) on one side of the clamping groove (23), a second limiting groove (262) is formed on the second electric unit sheath (28) on the other side of the clamping groove, a first limiting block (331) corresponding to the first limiting groove (261) is arranged on one side of the clamping strip (32), the first limiting block (331) is clamped into the corresponding first limiting groove (261), a second limiting block (332) corresponding to the second limiting groove (262) is arranged on the clamping strip (32) on the other side of the clamping strip, the second limiting block (332) is clamped into the corresponding second limiting groove (262), and the distance between two adjacent electric units (2) is greater than the depths of the first limiting groove (261) and the second limiting groove (262).
5. An easily demountable electrical cable according to claim 1 or claim 2 or claim 3 or claim 4, wherein said snap strip (32) snaps into a snap groove (23) of a corresponding electrical unit (2), said outer edge of said outer sheath (1) forming a peel-open (11).
6. An easy-to-disassemble and assemble cable according to claim 5, wherein the material of the outer sheath (1) is low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
7. An easily disassembled and assembled cable according to claim 6, wherein said first electric unit sheath (21), said second electric unit sheath (28) and said connecting member are integrally formed.
8. An easy-to-dismount-mount cable according to claim 7, wherein said first electrical unit sheath (21), said second electrical unit sheath (28) and said connecting member are made of low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
9. An easily disassembled and assembled cable according to claim 8, wherein said central reinforcing member (3) is made of steel.
10. An easily detachable cable according to claim 9, wherein the depth of the locking groove (23) is greater than or equal to the height of the locking strip (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067106.1U CN215577780U (en) | 2021-08-29 | 2021-08-29 | Cable easy to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067106.1U CN215577780U (en) | 2021-08-29 | 2021-08-29 | Cable easy to disassemble and assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215577780U true CN215577780U (en) | 2022-01-18 |
Family
ID=79844251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122067106.1U Expired - Fee Related CN215577780U (en) | 2021-08-29 | 2021-08-29 | Cable easy to disassemble and assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215577780U (en) |
-
2021
- 2021-08-29 CN CN202122067106.1U patent/CN215577780U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |