CN111175918A - Butterfly-shaped optical cable optical fiber heating and steel wire heating wiping arrangement - Google Patents
Butterfly-shaped optical cable optical fiber heating and steel wire heating wiping arrangement Download PDFInfo
- Publication number
- CN111175918A CN111175918A CN201911393136.2A CN201911393136A CN111175918A CN 111175918 A CN111175918 A CN 111175918A CN 201911393136 A CN201911393136 A CN 201911393136A CN 111175918 A CN111175918 A CN 111175918A
- Authority
- CN
- China
- Prior art keywords
- heating
- wire
- butterfly
- wiping
- optical fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 78
- 239000010959 steel Substances 0.000 title claims abstract description 78
- 239000013307 optical fiber Substances 0.000 title claims abstract description 73
- 238000010438 heat treatment Methods 0.000 title claims abstract description 72
- 230000003287 optical effect Effects 0.000 title claims abstract description 31
- 230000004888 barrier function Effects 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 9
- 239000000853 adhesive Substances 0.000 abstract description 8
- 230000001070 adhesive effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cleaning In General (AREA)
Abstract
The application relates to a butterfly-shaped optical cable optical fiber heating and steel wire heating wiping device, which comprises a line converging component, a heating component, a wiping component and a line dividing component which are sequentially arranged; the wire converging assembly comprises a guide wheel (1) and a wire passing barrier strip (2) which are sequentially arranged, a plurality of first through holes are formed in the wire passing barrier strip (2), and optical fibers and steel wires pass through the first through holes in the wire passing barrier strip (2) after being guided by the guide wheel (1); the heating component comprises a plurality of heated conduits (3) and a heating body (4). The optical fiber heating and steel wire heating wiping device for the butterfly-shaped optical cable is ingenious in design and simple in structure, can heat optical fibers and steel wires and further wipe the steel wires, well improves the adhesive force between a sheath layer and the steel wires or the optical fibers in later-stage processing, contributes to butterfly-shaped optical cable construction due to good adhesive force, prevents the steel wires or the optical fibers from being separated in the construction process of finished optical cables, and improves the durability and the service life of products.
Description
Technical Field
The application belongs to the field of optical fiber manufacturing equipment, and particularly relates to a butterfly-shaped optical cable optical fiber heating and steel wire heating wiping device.
Background
The butterfly-shaped optical cable is composed of optical fibers, a low-smoke halogen-free material (LSZH) sheath layer, an optical cable reinforcement (common steel wires), an optical cable suspension wire (steel wire) and the like. The adhesion between the steel wires and the optical fibers and the LSZH jacket layer is a very important technical index for the butterfly-shaped optical cable. The good adhesion contributes to the construction and durability improvement of the butterfly-shaped optical cable.
The surface temperature of steel wires and optical fibers is low and the surfaces of the steel wires and the optical fibers are wet due to the environmental temperature and the humidity, and in the extrusion molding process of the butterfly-shaped optical cable sheath layer, hot sheath materials meet cold wet steel wires and optical fibers suddenly, so that poor adhesive force between the sheath layer and the steel wires or the optical fibers is caused, the finished optical cables and the optical fibers are stripped, the steel wires are easy to separate in the construction process, and the like, so that the service life of a product and the construction process are greatly influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the butterfly-shaped optical cable optical fiber heating and steel wire heating wiping device is provided for solving the problem of insufficient adhesive force of the steel wire or the optical fiber inside the optical fiber in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a butterfly-shaped optical cable optical fiber heating and steel wire heating wiping device comprises a line converging component, a heating component, a wiping component and a line dividing component which are sequentially arranged; the wire converging assembly comprises a guide wheel and a wire passing barrier strip which are sequentially arranged, a plurality of first through holes are formed in the wire passing barrier strip, and the optical fibers and the steel wires pass through the first through holes in the wire passing barrier strip after being guided by the guide wheel; the heating assembly comprises a plurality of heated guide pipes and heating bodies, the heating bodies are arranged between the heated guide pipes and heat the heated guide pipes, and the optical fibers and the steel wires penetrate through the wire passing barrier strips and then penetrate into and penetrate out of the heated guide pipes; the wiping component comprises a felt, and a steel wire which penetrates out of the heated conduit is tightly attached to and penetrates through the felt; the distributing component comprises a distributing plate, a plurality of second through holes are formed in the distributing plate, the optical fibers penetrate out of the heated conduit, the steel wires penetrate through the felt, and then the optical fibers and the steel wires penetrate through the second through holes in the distributing plate.
In one embodiment, the wire collecting assembly includes a pair of guide wheels, and the optical fiber and the steel wire are respectively guided by one of the guide wheels and then pass through the first through hole of the wire passing barrier.
In one embodiment, the optical fiber or the steel wire is attached to at least a part of the arc surface of the guide wheel, and the guide wheel slidably supports the optical fiber or the steel wire to complete guidance.
In one embodiment, the first through hole comprises a steel wire through hole and at least one optical fiber through hole, and the diameter of the steel wire through hole is larger than that of the optical fiber through hole.
In one embodiment, the first via comprises two fiber vias.
In one embodiment, the heating device further comprises a box body, the heated conduit and the heating body are arranged in the box body, and the penetrating end of the optical fiber or the steel wire of the heated conductor are respectively positioned on the front wall and the rear wall of the box body, which are opposite.
In one embodiment, the rear wall of the box body is fixed with wiping tubes corresponding to the penetrating ends one by one, and the felt is attached to the inner wall of the wiping tube.
In one embodiment, the box body is provided with a plurality of through ends, the through ends are provided with a plurality of felt heads, and the felt heads are fixed on the back wall of the box body.
In one embodiment, the second through hole comprises a steel wire through hole and at least one optical fiber through hole.
In one embodiment, the heating assembly comprises three heat receiving pipes arranged at intervals and two heating bodies arranged between two adjacent heat receiving pipes one by one, and a plurality of air holes are further formed in the heat receiving pipes.
The invention has the beneficial effects that: the optical fiber heating and steel wire heating wiping device for the butterfly-shaped optical cable is ingenious in design and simple in structure, can heat optical fibers and steel wires and further wipe the steel wires, well improves the adhesive force between a sheath layer and the steel wires or the optical fibers in later-stage processing, contributes to butterfly-shaped optical cable construction due to good adhesive force, prevents the steel wires or the optical fibers from being separated in the construction process of finished optical cables, and improves the durability and the service life of products.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
FIG. 1 is a schematic structural diagram of a butterfly-shaped optical cable optical fiber heating and steel wire heating wiping device according to an embodiment of the present application;
FIG. 2 is a schematic view of a wire-passing barrier of a butterfly-shaped optical cable fiber heating and wire heating wiping device according to an embodiment of the present application;
FIG. 3 is a schematic view of a wiping clip of a butterfly cable fiber heating and wire heating wiping device according to an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood by those of ordinary skill in the art through specific situations.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a butterfly-shaped optical cable optic fibre heating and steel wire heating wiping arrangement, includes the assembly of converging, heating element, cleans the subassembly and divides the line subassembly that set gradually in production process space, and above-mentioned subassembly can be closely or the certain distance relatively fixed of interval, can all fix on a flat board, can set up from left to right or from right to left order, can also be outdoor at indoor.
The wire collecting assembly comprises a guide wheel 1 and a wire passing barrier strip 2 which are sequentially arranged, and the relative positions of the wire passing barrier strip 2 and the guide wheel 1 are fixed and can be fixed together through a fixing frame. A plurality of first through holes are formed in the wire passing barrier strip 2, and the aperture of each through hole is matched with the optical fiber and the steel wire and used for enabling the optical fiber and the steel wire to pass through. The optical fiber and the steel wire are led in from the outside of the device, enter the device in a state of being tightly attached to the guide wheel 1, are guided by the guide wheel 1 and then pass through the first through hole on the wire passing barrier strip 2, and then are heated.
The heating assembly comprises a plurality of heated conduits 3 and a heating body 4. The heating body 4 is arranged between the heated guide pipes 3 and used for heating the heated guide pipes 3, the optical fibers and the steel wires penetrate through the cross wire barrier strips 2 and then penetrate through one end of the heated guide pipe 3 and penetrate out of the other end of the heated guide pipe 3, and the optical fibers and the steel wires are heated. The wiping assembly comprises a felt 5 against which the wire emerging from the heated conduit 3 is applied and passes, the wire being wiped thereby. The branching assembly comprises a branching plate 6, a plurality of second through holes are formed in the branching plate 6, the optical fibers penetrate out of the heated conduit 3, the steel wires penetrate through the felt 5, and then the optical fibers and the steel wires penetrate through the second through holes in the branching plate 6. The distributing board 6 can position the steel wires and the optical fibers, and the steel wires and the optical fibers are ensured to pass through the extrusion molding die in order.
In one embodiment, the line collecting assembly comprises a pair of guide wheels 1, and the optical fiber and the steel wire are respectively guided by one of the guide wheels 1 and then pass through the first through hole on the line passing barrier 2. The guide wheels 1 can be arranged up and down respectively, the steel wire is guided by the upper guide wheel 1, and the optical fiber is guided by the lower guide wheel. In one embodiment, there is only one guide wheel 1 for guiding the wire and at least one guide wheel 1 for guiding the fiber.
In one embodiment, the optical fiber or the steel wire is attached to at least a part of the arc surface of the guide wheel 1, and the guide wheel 1 slidably supports the optical fiber or the steel wire to complete the guidance.
In one embodiment, the first through hole comprises a steel wire through hole and at least one optical fiber through hole, and the diameter of the steel wire through hole is larger than that of the optical fiber through hole. Preferably, in one embodiment, the first through hole comprises two fiber through holes.
In order to prevent the optical fiber and the steel wire from being polluted and improve the heat preservation effect of the device, in one embodiment, the device further comprises a box body 7, the heated conduit 3 and the heating body 4 are arranged in the box body 7, and the penetrating end of the optical fiber or the steel wire of the heated conduit 3 are respectively positioned on the front wall and the rear wall of the box body 7 which are opposite.
In order to ensure the wiping effect, in one embodiment, a wiping tube 8 corresponding to the penetrating end is fixed on the rear wall of the box body 7, and the felt 5 is attached to the inner wall of the wiping tube 8. The length of the wiping pipe 8 can be extended as required to enhance the wiping effect.
In order to improve the application range of the device and achieve better wiping effect, in one embodiment, a wiping clamp 9 corresponding to the penetrating end is fixed on the rear wall of the box body 7, and the felt 5 is attached to a clamping head of the wiping clamp 9. The wiping clip 9 has elasticity relatively, can adapt to steel wires with different diameters, can also be tightly attached to the steel wires, and improves the wiping effect.
Preferably, in one embodiment, the second through hole includes a steel wire through hole and at least one optical fiber through hole. Preferably, in one embodiment, the heating assembly includes three heat receiving pipes 3 arranged at intervals, and two heating bodies 4 arranged one by one between two adjacent heat receiving pipes 3. In one embodiment, in order to improve the heating effect, the heated conduit 3 is further provided with a plurality of air holes.
The invention has the beneficial effects that: the optical fiber heating and steel wire heating wiping device for the butterfly-shaped optical cable is ingenious in design and simple in structure, can heat optical fibers and steel wires and further wipe the steel wires, well improves the adhesive force between a sheath layer and the steel wires or the optical fibers in later-stage processing, contributes to butterfly-shaped optical cable construction due to good adhesive force, prevents the steel wires or the optical fibers from being separated in the construction process of finished optical cables, and improves the durability and the service life of products.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A butterfly-shaped optical cable optical fiber heating and steel wire heating wiping device is characterized by comprising a line converging component, a heating component, a wiping component and a line dividing component which are sequentially arranged; the wire converging assembly comprises a guide wheel (1) and a wire passing barrier strip (2) which are sequentially arranged, a plurality of first through holes are formed in the wire passing barrier strip (2), and optical fibers and steel wires pass through the first through holes in the wire passing barrier strip (2) after being guided by the guide wheel (1); the heating assembly comprises a plurality of heated guide tubes (3) and heating bodies (4), the heating bodies (4) are arranged between the heated guide tubes (3) and heat the heated guide tubes (3), and the optical fibers and the steel wires penetrate through the wire passing barrier strips (2) and then penetrate into and penetrate out of the heated guide tubes (3); the wiping component comprises a felt (5), and a steel wire which penetrates out of the heated conduit (3) is tightly attached to and penetrates through the felt (5); the branching assembly comprises a branching plate (6), a plurality of second through holes are formed in the branching plate (6), the optical fibers penetrate out of the heated conduit (3), the steel wires penetrate through the felt (5), and then the optical fibers and the steel wires penetrate through the second through holes in the branching plate (6).
2. The butterfly cable optical fiber heating and wire heating wiping device as claimed in claim 1, wherein the wire collection assembly comprises a pair of guide wheels (1), and the optical fiber and the wire are respectively guided by one of the guide wheels (1) and then pass through the first through hole of the wire passing barrier (2).
3. The butterfly-shaped optical cable optical fiber heating and steel wire heating wiping device as claimed in claim 1, wherein the optical fiber or the steel wire is attached to at least a part of the arc surface of the guide wheel (1), and the guide wheel (1) slidably supports the optical fiber or the steel wire to complete guidance.
4. The butterfly cable fiber heating and wire heating wiper device of claim 1, wherein said first through hole comprises a wire through hole and at least one fiber through hole, and wherein said wire through hole has a larger diameter than said fiber through hole.
5. The butterfly cable fiber heating and wire heating wiping device of claim 4, wherein the first through hole comprises two fiber through holes.
6. The butterfly-shaped optical cable optical fiber heating and steel wire heating wiping device as claimed in claim 1, further comprising a box body (7), wherein the heated conduit (3) and the heating body (4) are arranged in the box body (7), and an optical fiber or steel wire penetrating end and a penetrating end of the heated conduit (3) are respectively located on the front wall and the rear wall of the box body (7) which are opposite.
7. The butterfly-shaped optical cable optical fiber heating and steel wire heating wiping device as claimed in claim 6, wherein a wiping tube (8) corresponding to the one of the through ends is fixed on the rear wall of the box body (7), and the felt (5) is attached to the inner wall of the wiping tube (8).
8. The device for heating and wiping butterfly optical cable fibers and wires according to claim 6, characterized in that wiping clips (9) corresponding to the through ends are fixed on the rear wall of the box body (7), and the felt (5) is attached to the clamping heads of the wiping clips (9).
9. The butterfly cable fiber heating and wire heating wiper device of claim 1, wherein the second through hole comprises a wire through hole and at least one fiber through hole.
10. The optical fiber heating and steel wire heating wiping device for the butterfly optical cable according to claim 1, wherein the heating assembly comprises three spaced heated conduits (3) and two heating bodies (4) disposed one by one between two adjacent heated conduits (3), and the heated conduits (3) are further provided with a plurality of air holes.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911393136.2A CN111175918A (en) | 2019-12-30 | 2019-12-30 | Butterfly-shaped optical cable optical fiber heating and steel wire heating wiping arrangement |
| PCT/CN2020/079133 WO2021134920A1 (en) | 2019-12-30 | 2020-03-13 | Butterfly optical-cable fiber heating and steel wire heating and wiping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911393136.2A CN111175918A (en) | 2019-12-30 | 2019-12-30 | Butterfly-shaped optical cable optical fiber heating and steel wire heating wiping arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111175918A true CN111175918A (en) | 2020-05-19 |
Family
ID=70624335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911393136.2A Pending CN111175918A (en) | 2019-12-30 | 2019-12-30 | Butterfly-shaped optical cable optical fiber heating and steel wire heating wiping arrangement |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111175918A (en) |
| WO (1) | WO2021134920A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0113377A1 (en) * | 1982-07-05 | 1984-07-18 | The Furukawa Electric Co., Ltd. | Coated optical fiber |
| US20130112342A1 (en) * | 2001-10-31 | 2013-05-09 | Thomas P. Hager | Compact, Hybrid Fiber Reinforced Rods For Optical Cable Reinforcements And Method For Making Same |
| CN205388657U (en) * | 2016-03-11 | 2016-07-20 | 富通集团有限公司 | Butterfly -shaped optical cable steel wire heating wiping arrangement |
| CN108761677A (en) * | 2018-04-26 | 2018-11-06 | 上海富瑞电缆股份有限公司 | Optical cable production equipment and system |
| CN211577503U (en) * | 2019-12-30 | 2020-09-25 | 通鼎互联信息股份有限公司 | Butterfly-shaped optical cable optical fiber heating and steel wire heating wiping arrangement |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479160A (en) * | 2015-04-23 | 2017-12-15 | 龚利芬 | Layer-stranding cable and preparation method |
| CN207268804U (en) * | 2017-10-11 | 2018-04-24 | 无锡市华翎电工机械设备有限公司 | Butterfly optical cable product line device |
| CN108387985A (en) * | 2018-04-17 | 2018-08-10 | 广东宏凯光缆设备科技有限公司 | The production line of steel wire coating |
-
2019
- 2019-12-30 CN CN201911393136.2A patent/CN111175918A/en active Pending
-
2020
- 2020-03-13 WO PCT/CN2020/079133 patent/WO2021134920A1/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0113377A1 (en) * | 1982-07-05 | 1984-07-18 | The Furukawa Electric Co., Ltd. | Coated optical fiber |
| US20130112342A1 (en) * | 2001-10-31 | 2013-05-09 | Thomas P. Hager | Compact, Hybrid Fiber Reinforced Rods For Optical Cable Reinforcements And Method For Making Same |
| CN205388657U (en) * | 2016-03-11 | 2016-07-20 | 富通集团有限公司 | Butterfly -shaped optical cable steel wire heating wiping arrangement |
| CN108761677A (en) * | 2018-04-26 | 2018-11-06 | 上海富瑞电缆股份有限公司 | Optical cable production equipment and system |
| CN211577503U (en) * | 2019-12-30 | 2020-09-25 | 通鼎互联信息股份有限公司 | Butterfly-shaped optical cable optical fiber heating and steel wire heating wiping arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021134920A1 (en) | 2021-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2013122825A1 (en) | Visual tracer system for fiber optic cable | |
| WO2007053371A1 (en) | Fiber optic cables suitable for automated preconnectorization | |
| CN211577503U (en) | Butterfly-shaped optical cable optical fiber heating and steel wire heating wiping arrangement | |
| CN111007613B (en) | Bundling forming butterfly-shaped optical cable | |
| CN111175918A (en) | Butterfly-shaped optical cable optical fiber heating and steel wire heating wiping arrangement | |
| CN209281035U (en) | A kind of symmetrical parallel butterfly optical cable | |
| WO2019114462A1 (en) | Bulit-in wire sorting box device of optical fiber tank | |
| CN106646795A (en) | Multi-scenario indoor wiring optical cable | |
| CN207366803U (en) | A kind of protection against rodents resistance to compression is prefabricated into connecting line | |
| CN213302620U (en) | Miniature air-blowing optical cable | |
| CN100412591C (en) | Novel optical cable | |
| CN105974545A (en) | Pre-terminated dual-core armored bow-type drop cable | |
| CN2629052Y (en) | Central bundle type optical cable with excellent bending performance | |
| CN201222110Y (en) | Furcation-easy type covered wire optical cable | |
| CN204705753U (en) | A kind of fibre ribbon leading in cable | |
| CN222784609U (en) | PPO groove for optical fiber routing | |
| CN209896275U (en) | Insulating thermal shrinkage rubber sleeve | |
| CN110780408B (en) | Novel structure optical cable or photoelectric composite cable | |
| CN201773207U (en) | Pipeline type FTTH butterfly optical cable | |
| CN202393956U (en) | Butterfly-shaped introducing optical cable for clustering | |
| CN222926896U (en) | Flexible loose tube optical cable | |
| CN213544898U (en) | Novel high-density high-optical-fiber-cost-performance ribbon access optical cable | |
| CN209955256U (en) | Device for solving casing bulge | |
| CN223205699U (en) | A high-strength flame-retardant armored optical fiber jumper | |
| CN223022433U (en) | An optical cable that is easy to strip and connect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200519 |
|
| RJ01 | Rejection of invention patent application after publication |