CN115755294A - Self-supporting optical cable and manufacturing method - Google Patents
Self-supporting optical cable and manufacturing method Download PDFInfo
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- CN115755294A CN115755294A CN202211300296.XA CN202211300296A CN115755294A CN 115755294 A CN115755294 A CN 115755294A CN 202211300296 A CN202211300296 A CN 202211300296A CN 115755294 A CN115755294 A CN 115755294A
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- 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
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- Y02A30/00—Adapting or protecting infrastructure or their operation
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Abstract
The invention discloses a self-supporting optical cable and a manufacturing method thereof, and belongs to the technical field of communication optical cables. The self-supporting optical cable comprises a self-supporting part, a connecting part and an optical cable part. The self-supporting part comprises a first sheath layer and a self-supporting reinforcing piece, and the self-supporting reinforcing piece is inserted into the first sheath layer. The optical cable part comprises a second sheath layer and a plurality of optical fiber units, and the optical fiber units are inserted in the second sheath layer. First restrictive coating and second restrictive coating are connected respectively to the both sides limit of connecting portion, and connecting portion are provided with a plurality of couple holes along the direction interval of connecting portion length, and each couple hole extends along the length direction of connecting portion, first restrictive coating, connecting portion and the integrative extrusion molding of second restrictive coating. The self-supporting optical cable provided by the embodiment of the invention not only can be suitable for a non-self-supporting scene, but also can be suitable for an existing self-supporting scene, and can be used for conveniently and quickly connecting the optical cable and a suspension wire, so that the construction progress is improved and the construction cost is reduced in the existing self-supporting scene.
Description
Technical Field
The invention belongs to the technical field of communication optical cables, and particularly relates to a self-supporting optical cable and a manufacturing method thereof.
Background
With the advent of the information age, the amount of information transferred has increased explosively. As an effective means for large-capacity, long-distance transmission, optical fiber cables are used in a large number of applications. The rapid development of information technology also puts higher requirements on the optical fiber cable, such as convenient arrangement, construction reduction, corresponding infrastructure cost reduction, optical cable laying cost reduction and the like. Self-supporting optical cable is as optical cable that present stage large tracts of land was used, and it includes self-supporting portion, connecting portion and optical cable portion, and self-supporting portion and optical cable portion pass through connecting portion and connect, through self-supporting portion realize hanging (need not to set up the suspension wire in addition) of optical cable portion between two poles to realize outdoor walking the line.
Currently, when the self-supporting optical cable is applied to an existing self-supporting scene (provided with a suspension wire, such as a suspension stranded wire), the self-supporting optical cable can be hung on the suspension wire to improve the construction progress. However, since the self-supporting optical cable has a large dead weight, in order to ensure the load bearing of the suspension wire, the self-supporting portion is usually removed, and then the optical cable without the self-supporting portion is connected to the suspension wire in a suspended manner by winding the wire.
However, in the construction site, a great deal of manpower and material resources are needed to be spent in a manner of additionally removing the self-supporting part and binding, hanging and connecting the self-supporting part by the winding wire, so that the construction progress of the self-supporting optical cable is greatly reduced, and the construction cost is increased.
Disclosure of Invention
Aiming at the defects or improvement requirements in the prior art, the invention provides a self-supporting optical cable and a manufacturing method thereof, aiming at being applicable to not only a scene without self-supporting but also the existing self-supporting scene, thereby improving the construction progress and reducing the construction cost under the existing self-supporting scene.
In a first aspect, the present invention provides a self-supporting optical cable comprising a self-supporting portion, a connecting portion and a cable portion;
the self-supporting part comprises a first sheath layer and a self-supporting reinforcing piece, and the self-supporting reinforcing piece is inserted into the first sheath layer;
the optical cable part comprises a second sheath layer and a plurality of optical fiber units, and the optical fiber units are inserted in the second sheath layer;
the utility model discloses a plastic sheath, including connecting portion, first restrictive coating, second restrictive coating, connecting portion, first restrictive coating, second restrictive coating, connecting portion's both sides limit is connected respectively first restrictive coating with the second restrictive coating, connecting portion follow the direction interval of connecting portion length is provided with a plurality of couple holes, and each the couple hole is followed the length direction of connecting portion extends, first restrictive coating connecting portion with the integrative extrusion molding of second restrictive coating.
Optionally, one side of the connecting portion facing the first sheath layer is provided with a plurality of hook positioning holes, the plurality of hook positioning holes are arranged at intervals along the length direction of the connecting portion, the plurality of hook positioning holes and the plurality of hook holes are in one-to-one correspondence, and each hook positioning hole is communicated with the corresponding hook hole.
Optionally, the diameter of the hook positioning hole in the direction from the second sheathing layer to the first sheathing layer gradually decreases.
Optionally, each hook positioning hole is of a conical structure or a semicircular structure.
Optionally, the optical cable part further includes a central strength unit coaxially inserted in the second sheath layer, the plurality of optical fiber units are arranged at intervals along the circumference of the central strength unit, and the plurality of optical fiber units are twisted on the central strength unit.
Optionally, each optical fiber unit includes an optical fiber, a water blocking layer, and a sleeve, and the water blocking layer and the sleeve are sequentially sleeved outside the optical fiber.
Optionally, the self-supporting reinforcement is a phosphated steel wire, a copper steel wire, or a steel strand.
Optionally, the distance between any two adjacent hook holes is 0.1-1m, and the length of each hook hole is 0.4-5m.
In a second aspect, the present invention provides a method of manufacturing a self-supporting optical cable, the method of manufacturing being based on the self-supporting optical cable according to the first aspect, the method of manufacturing comprising:
continuously feeding the self-supporting reinforcement and the optical fiber unit, and integrally extruding and molding a protective layer outside the self-supporting reinforcement and the optical fiber unit in the feeding process to obtain an intermediate optical cable, wherein the protective layer comprises the first sheath layer, the connecting part and the second sheath layer;
arranging a cutting device, wherein the cutting device comprises a rotating shaft and a plurality of blades positioned on the peripheral wall of the rotating shaft, and the blades are uniformly arranged at intervals along the circumferential direction of the rotating shaft;
continuously feeding the intermediate optical cable, and rotating the rotating shaft at one side of the intermediate optical cable to drive the blades to sequentially cut the connecting part, so that a plurality of hook holes are formed;
and cooling the intermediate optical cable with a plurality of hook holes to obtain the self-supporting optical cable.
Optionally, the cutting device further includes a plurality of protruding blades, the plurality of protruding blades correspond to the plurality of blades one to one, and each protruding blade is located on one side surface of each blade to cut out a hook positioning hole communicated with each hook hole.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
for the self-supporting optical cable provided by the embodiment of the invention, when no self-supporting scene (no suspension wire) exists, the self-supporting part comprises the first sheath layer and the self-supporting reinforcing part, and the self-supporting reinforcing part is inserted into the first sheath layer. The optical cable part comprises a second sheath layer and a plurality of optical fiber units, and the optical fiber units are inserted in the second sheath layer. First restrictive coating and second restrictive coating are connected respectively to the both sides limit of connecting portion to can hang optical cable portion between two poles through self-supporting portion. Wherein the self-supporting reinforcement serves to increase the structural strength of the self-supporting part.
And to having self-supporting scene (possessing the suspension wire) now, because connecting portion are provided with a plurality of couple holes along the direction interval of connecting portion length, and each couple hole extends along the length direction of connecting portion, thereby through arranging the couple on the suspension wire, pass couple hole after the couple is hooked through each couple (perhaps self-supporting portion), evenly hang optical cable portion on the suspension wire, not only can realize the convenient connection of optical cable and suspension wire, and make optical cable portion evenly atress through the even connection, avoid using the winding wire to bind the mode of hanging the connection. In addition, the whole dead weight of the self-supporting optical cable can be effectively reduced through the plurality of hook holes, the bearing of the suspension wire can be ensured, and the self-supporting part does not need to be removed, so that the construction progress is improved, and the construction cost is reduced.
That is to say, the self-supporting optical cable provided by the embodiment of the invention can be suitable for not only a non-self-supporting scene but also an existing self-supporting scene, can realize convenient connection between the optical cable and the suspension wire, effectively reduces the overall self weight of the self-supporting optical cable, can ensure the bearing of the suspension wire, and does not need to remove a self-supporting part, thereby improving the construction progress and reducing the construction cost in the existing self-supporting scene.
Drawings
FIG. 1 is a schematic structural diagram of a self-supporting optical cable according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method of manufacturing a self-supporting fiber optic cable according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating the manufacture of a self-supporting fiber optic cable according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a protruding blade according to an embodiment of the present invention.
The symbols in the figures represent the following:
1. a self-supporting portion; 11. a first jacket layer; 12. a self-supporting reinforcement; 2. a connecting portion; 21. a hook hole; 22. hook positioning holes; 3. an optical cable section; 31. a second jacket layer; 32. an optical fiber unit; 33. a central reinforcing unit; 4. a cutting device; 41. a rotating shaft; 42. a blade; 43. projecting the blade; 100. a self-supporting optical cable; 200. an intermediate optical cable; 300. a plastic extruding machine; 400. a tractor; 500. a cooling water tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic structural diagram of a self-supporting optical cable according to an embodiment of the present invention, and as shown in fig. 1, a self-supporting optical cable 100 includes a self-supporting portion 1, a connection portion 2, and a cable portion 3.
The self-supporting part 1 comprises a first sheath layer 11 and a self-supporting reinforcing member 12, wherein the self-supporting reinforcing member 12 is inserted in the first sheath layer 11.
The optical cable portion 3 includes a second sheath layer 31 and a plurality of optical fiber units 32, and the plurality of optical fiber units 32 are inserted into the second sheath layer 31.
First restrictive coating 11 and second restrictive coating 31 are connected respectively to the both sides limit of connecting portion 2, and connecting portion 2 is provided with a plurality of couple holes 21 along the direction interval of 2 length of connecting portion, and each couple hole 21 extends along the length direction of connecting portion 2, the integrative extrusion moulding of first restrictive coating 11, connecting portion 2 and second restrictive coating 31.
For the self-supporting optical cable provided by the embodiment of the invention, when no self-supporting scene (no suspension wire) exists, the self-supporting part 1 comprises the first sheath layer 11 and the self-supporting reinforcing member 12, and the self-supporting reinforcing member 12 is inserted into the first sheath layer 11. The optical cable portion 3 includes a second sheath layer 31 and a plurality of optical fiber units 32, and the plurality of optical fiber units 32 are inserted into the second sheath layer 31. Both side edges of the connecting portion 2 are connected to the first sheath layer 11 and the second sheath layer 31, respectively, so that the optical cable portion 3 can be suspended between two poles through the self-supporting portion 1. Among them, the self-supporting reinforcement 12 plays a role of increasing the structural strength of the self-supporting part 1.
And to having self-supporting scene (possessing the suspension wire) now, because connecting portion 2 is provided with a plurality of couple holes 21 along the direction interval of connecting portion 2 length, and each couple hole 21 extends along the length direction of connecting portion 2, thereby through arranging the couple on the suspension wire, pass couple hole 21 through each couple and hook connecting portion 2 (or self-supporting portion 1) after, evenly hang optical cable portion 3 on the suspension wire, not only can realize the convenient connection of optical cable and suspension wire, and make optical cable portion 3 evenly atress through even connection, avoid using the winding wire to bind the mode of hanging the connection. In addition, the whole self weight of the self-supporting optical cable 100 can be effectively reduced through the plurality of hook holes 21, the bearing of a suspension wire can be ensured, and the self-supporting part 1 does not need to be removed, so that the construction progress is improved, and the construction cost is reduced.
That is to say, the self-supporting optical cable provided by the embodiment of the present invention is not only applicable to a non-self-supporting scene, but also applicable to an existing self-supporting scene, and can implement convenient connection between an optical cable and a suspension wire, effectively reduce the overall self-weight of the self-supporting optical cable 100, ensure the bearing of the suspension wire, and do not need to remove the self-supporting portion 1, thereby improving the construction progress in the existing self-supporting scene and reducing the construction cost.
With continued reference to fig. 1, the connecting portion 2 has a plurality of hook positioning holes 22 on a side facing the first sheath layer 11, the plurality of hook positioning holes 22 are arranged at intervals along the length direction of the connecting portion 2, the plurality of hook positioning holes 22 correspond to the plurality of hook holes 21 one by one, and each hook positioning hole 22 communicates with the corresponding hook hole 21.
In the above embodiment, the hook positioning hole 22 can position the hook, and prevent the hook from moving in the hook hole 21, so that the abrasion of the connecting portion 2 caused by the movement during use can be avoided.
Further, the diameter of couple locating hole 22 from second restrictive coating 31 to the direction of first restrictive coating 11 reduces gradually to further realize the location to the couple under the effect of gravity.
Illustratively, each hook positioning aperture 22 is a tapered or semi-circular configuration.
In this embodiment, the optical cable portion 3 further includes a central strength unit 33, the central strength unit 33 is coaxially inserted into the second sheath layer 31, the plurality of optical fiber units 32 are arranged at intervals along the circumference of the central strength unit 33, and the plurality of optical fiber units 32 are twisted on the central strength unit 33.
In the above embodiment, the central reinforcing unit 33 reinforces the entire optical cable section 3, and can increase the structural strength of the entire optical cable section 3. In addition, a plurality of optical fiber units 32 are stranded on the central reinforcing unit 33, which can support and position the optical fiber units 32.
Illustratively, each optical fiber unit 32 includes an optical fiber, a water-blocking layer, and a sleeve, which are sequentially sleeved outside the optical fiber.
In the above embodiment, the water-blocking layer plays a role of blocking water, and may specifically be a water-blocking tape or water-blocking powder. The water barrier layer expands the gel immediately upon contact with water. Therefore, when the optical fiber is coated with the water-blocking layer containing the water-absorbent resin, the super-absorbent resin in the wound portion exerts a sealing effect due to swelling in the event of breakage of the outer wall of the optical cable, and the entry of water can be prevented to the minimum. The sleeve plays a role in protecting the optical fiber and the water-resistant layer.
Illustratively, the self-supporting reinforcement 12 is a phosphated steel wire, a copper steel wire, or a steel strand.
It should be noted that in other embodiments of the present invention, the self-supporting reinforcement 12 may also be GFRP or KFRP.
With continued reference to fig. 1, the distance L between any two adjacent hook holes 21 may be 0.1 to 1M, and the length M of the hook holes 21 may be 0.4 to 5M, so that the overall self weight can be reduced under the condition of ensuring the overall connection strength.
Fig. 2 is a flowchart of a manufacturing method of a self-supporting optical cable according to an embodiment of the present invention, and as shown in fig. 2, the manufacturing method is based on the self-supporting optical cable 100 as described above, and the manufacturing method includes:
s201, continuously feeding the self-supporting reinforcing member 12 and the optical fiber unit 32, and in the feeding process, integrally extruding and forming a protective layer outside the self-supporting reinforcing member 12 and the optical fiber unit 32 to obtain the intermediate optical cable 200, wherein the protective layer comprises a first sheath layer 11, a connecting part 2 and a second sheath layer 31.
It should be noted that the protective layer may be made of polyethylene, flame retardant PE, LSZH, AT material, or other materials. The protective layer is extruded by an extruder 300.
S202, a cutting device 4 is arranged, wherein the cutting device 4 comprises a rotating shaft 41 and a plurality of blades 42 positioned on the peripheral wall of the rotating shaft 41, and the plurality of blades 42 are uniformly arranged at intervals along the circumferential direction of the rotating shaft 41.
Illustratively, the number of blades 42 may be 3-6, and each blade 42 may have a corresponding circumferential angle of 30-60 ° on the shaft 41.
S203, continuously feeding the intermediate optical cable 200, and sequentially cutting the connection part 2 by rotating the rotation shaft 41 on one side of the intermediate optical cable 200 to drive the plurality of blades 42, thereby forming a plurality of hook holes 21 (see fig. 3).
It should be noted that the self-supporting cable 100 may be drawn by a tractor 400 to ensure uniformity of the extruded protective layer. Further, the linear velocity V of the rotating shaft 41 1 And the pull velocity V of self-supporting cable 100 2 In the same direction. V 1 ≥V 2 Or V 1 ≤V 2 Cutting can be achieved.
It is easily understood that the circumferential angle α of the blade 42 and the number of blades 42 determine the ratio of the pitch L and the pitch P (P = L + M) between the hooking holes 21, and the linear velocity V of the rotating shaft 41 1 And the pulling speed V of self-supporting cable 100 2 The ratio of (a) determines the pitch P and the spacing L between the hooking holes 21. Therefore, the specific values of the pitch L and the pitch P on the self-supporting optical cable 100 can be reasonably adjusted according to the cutting device 4 and the pulling speed.
Illustratively, the cutting device 4 further comprises a motor, which is rotatably connected to the rotating shaft 41 to drive the rotating shaft 41 to rotate.
And S204, cooling the intermediate optical cable 200 with the plurality of hook holes 21, and obtaining the self-supporting optical cable 100.
Illustratively, the self-supporting fiber optic cable 100 is cooled by a cooling water bath 500.
Fig. 4 is a schematic structural diagram of a protruding blade according to an embodiment of the present invention, and as shown in fig. 4, the cutting device 4 further includes a plurality of protruding blades 43, the plurality of protruding blades 43 corresponds to the plurality of blades 42 one by one, and each protruding blade 43 is located on one side surface of the blade 42 to cut the hook positioning hole 22 communicating with each hook hole 21.
In the above embodiment, by providing the protruding blade 43, the blade 42 drives the protruding blade 43 to rotate in the rotating process, so as to cut the connecting portion 2, obtain the hook positioning hole 22, and further realize the positioning of the hook through the hook positioning hole 22.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A self-supporting optical cable, characterized in that the self-supporting optical cable (100) comprises a self-supporting part (1), a connection part (2) and an optical cable part (3);
the self-supporting part (1) comprises a first sheath layer (11) and a self-supporting reinforcing piece (12), and the self-supporting reinforcing piece (12) is inserted into the first sheath layer (11);
the optical cable part (3) comprises a second sheath layer (31) and a plurality of optical fiber units (32), and the optical fiber units (32) are inserted into the second sheath layer (31);
the both sides limit of connecting portion (2) is connected respectively first restrictive coating (11) with second restrictive coating (31), connecting portion (2) are followed the direction interval of connecting portion (2) length is provided with a plurality of couple holes (21), and each couple hole (21) are followed the length direction of connecting portion (2) extends, first restrictive coating (11) connecting portion (2) with second restrictive coating (31) integrated extrusion.
2. A self-supporting optical cable according to claim 1, wherein the connecting portion (2) has a plurality of hooking positioning holes (22) on a side facing the first sheath layer (11), the plurality of hooking positioning holes (22) are arranged at intervals along a length direction of the connecting portion (2), the plurality of hooking positioning holes (22) and the plurality of hooking holes (21) are in one-to-one correspondence, and each hooking positioning hole (22) is communicated with the corresponding hooking hole (21).
3. A self-supporting optical cable according to claim 2, wherein the diameter of the hooking location holes (22) decreases gradually in the direction from the second sheath layer (31) to the first sheath layer (11).
4. A self-supporting optical cable as claimed in claim 3, wherein each hook locating hole (22) is of a tapered configuration or a semi-circular configuration.
5. A self-supporting optical cable according to claim 1, wherein the cable portion (3) further comprises a central strength member (33), the central strength member (33) is coaxially inserted into the second jacket layer (31), a plurality of the optical fiber units (32) are circumferentially spaced along the central strength member (33), and a plurality of the optical fiber units (32) are stranded on the central strength member (33).
6. A self-supporting optical cable according to claim 5, wherein each optical fibre unit (32) comprises an optical fibre, a water-resistant layer and a sleeve, the water-resistant layer and the sleeve being arranged around the optical fibre in turn.
7. A self-supporting optical cable according to any one of claims 1 to 6, wherein the self-supporting strength member (12) is a phosphated steel wire, a copper steel wire or a steel strand.
8. A self-supporting optical cable according to any one of claims 1 to 6, wherein the distance between any two adjacent hook holes (21) is 0.1 to 1m, and the length of the hook holes (21) is 0.4 to 5m.
9. A method of manufacturing a self-supporting optical cable, characterized in that the method of manufacturing is based on a self-supporting optical cable (100) according to any one of claims 1 to 8, the method of manufacturing comprising:
continuously feeding the self-supporting reinforcing member (12) and the optical fiber unit (32), and integrally extruding and molding a protective layer outside the self-supporting reinforcing member (12) and the optical fiber unit (32) in the feeding process to obtain an intermediate optical cable (200), wherein the protective layer comprises the first sheath layer (11), the connecting part (2) and the second sheath layer (31);
providing a cutting device (4), wherein the cutting device (4) comprises a rotating shaft (41) and a plurality of blades (42) positioned on the peripheral wall of the rotating shaft (41), and the plurality of blades (42) are uniformly arranged at intervals along the circumferential direction of the rotating shaft (41);
continuously feeding the intermediate optical cable (200), and driving a plurality of blades (42) to sequentially cut the connecting part (2) by rotating the rotating shaft (41) at one side of the intermediate optical cable (200) so as to form a plurality of hook holes (21);
and cooling the intermediate optical cable (200) with the plurality of hook holes (21) processed to obtain the self-supporting optical cable (100).
10. A method for manufacturing a self-supporting optical cable according to claim 9, wherein the cutting device (4) further comprises a plurality of protruding blades (43), a plurality of the protruding blades (43) and a plurality of the blades (42) are in one-to-one correspondence, and each of the protruding blades (43) is located on one side surface of the blade (42) to cut the hook positioning hole (22) communicating with each of the hook holes (21).
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| CN202211300296.XA CN115755294A (en) | 2022-10-24 | 2022-10-24 | Self-supporting optical cable and manufacturing method |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1090570A (en) * | 1996-09-18 | 1998-04-10 | Hitachi Cable Ltd | Self-supporting type optical cable with slit and its production |
| JP2002063818A (en) * | 2000-08-23 | 2002-02-28 | Sumitomo Electric Ind Ltd | Manufacturing device and method of self-supporting cable with slit having subplus length |
| US20080302743A1 (en) * | 2007-06-07 | 2008-12-11 | Terence Chen | Simplified rotatable anti-theft tool rack |
| CN103971836A (en) * | 2014-05-26 | 2014-08-06 | 戴丽芬 | Self-supporting cable easy to install |
| CN204731456U (en) * | 2015-04-23 | 2015-10-28 | 龚利芬 | A kind of self-support cable |
| CN110133347A (en) * | 2019-06-27 | 2019-08-16 | 广东电网有限责任公司 | A kind of laborsaving pusher metering electric energy meter top articulated device |
| US20190317289A1 (en) * | 2016-12-28 | 2019-10-17 | Fujikura Ltd. | Method for manufacturing intermittently-fixed optical fiber ribbon |
| CN215340466U (en) * | 2021-07-01 | 2021-12-28 | 铜陵市铜都特种线缆有限公司 | Self-supporting composite optical cable |
| US20220047099A1 (en) * | 2020-08-11 | 2022-02-17 | Chin-Chen Huang | Hanging structure for painting tool |
-
2022
- 2022-10-24 CN CN202211300296.XA patent/CN115755294A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1090570A (en) * | 1996-09-18 | 1998-04-10 | Hitachi Cable Ltd | Self-supporting type optical cable with slit and its production |
| JP2002063818A (en) * | 2000-08-23 | 2002-02-28 | Sumitomo Electric Ind Ltd | Manufacturing device and method of self-supporting cable with slit having subplus length |
| US20080302743A1 (en) * | 2007-06-07 | 2008-12-11 | Terence Chen | Simplified rotatable anti-theft tool rack |
| CN103971836A (en) * | 2014-05-26 | 2014-08-06 | 戴丽芬 | Self-supporting cable easy to install |
| CN204731456U (en) * | 2015-04-23 | 2015-10-28 | 龚利芬 | A kind of self-support cable |
| US20190317289A1 (en) * | 2016-12-28 | 2019-10-17 | Fujikura Ltd. | Method for manufacturing intermittently-fixed optical fiber ribbon |
| CN110133347A (en) * | 2019-06-27 | 2019-08-16 | 广东电网有限责任公司 | A kind of laborsaving pusher metering electric energy meter top articulated device |
| US20220047099A1 (en) * | 2020-08-11 | 2022-02-17 | Chin-Chen Huang | Hanging structure for painting tool |
| CN215340466U (en) * | 2021-07-01 | 2021-12-28 | 铜陵市铜都特种线缆有限公司 | Self-supporting composite optical cable |
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