CN110361822A - A kind of new structural air-blowing optical cable and its manufacturing method - Google Patents
A kind of new structural air-blowing optical cable and its manufacturing method Download PDFInfo
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- CN110361822A CN110361822A CN201910736719.4A CN201910736719A CN110361822A CN 110361822 A CN110361822 A CN 110361822A CN 201910736719 A CN201910736719 A CN 201910736719A CN 110361822 A CN110361822 A CN 110361822A
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- outer jacket
- pearl
- optical cable
- loose tube
- new structural
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- 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
-
- 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
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
-
- 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
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
- G02B6/52—Underground or underwater installation; Installation through tubing, conduits or ducts using fluid, e.g. air
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a kind of new structural air-blowing optical cable and its manufacturing methods, radial distribution is successively from inside to outside for its structure are as follows: the multifiber of innermost layer, wrap up the Loose tube of optical fiber, water blocking layer is filled in Loose tube, the Loose tube is equipped with tear rope, and the Loose tube outer wall wraps up outer jacket, several arcuation protrusions are equipped on outer jacket, this air-blowing optical cable scientific structure design, frictional force is small, and construction lays convenience, light weight, production and processing simply.
Description
Technical field
The invention patent relates to communications cable field more particularly to a kind of new structural air-blowing optical cable and its manufactures
Method.
Background technique
Currently, China broadband development of optical network into welcome with the mobile communication base station 5G fiber optic stretch and wide-band-message passback connect
Enter for opportunity, drives the fast development of the construction process such as metropolitan broadband network network and FTTH, network capacity requirements is caused constantly to be promoted.
Meanwhile urban land resource is increasingly deficient, urban duct resource is more and more nervous, therefore is badly in need of increasing light in limited pipeline
While fibre core number increase optical cable optical fiber packaging density, and air-blowing optical cable technology at important channel to solve this problem it
One.
Air-blowing optical cable is as component important in access net, and compared with conventional cable, the advantage of air-blowing optical cable is main
Be embodied in: the material utilization amount and processing charges of the optical cable stranding of same core number substantially reduce；Structure size is smaller, density of optic fibre in cable
It is high.Air-blowing optical cable is directly installed in existing cable run, pipeline resource is effectively saved, meets network capacity extension construction need
It asks.
Difficulty is laid to reduce air-blowing optical cable construction, it is desirable to reduce the frictional resistance of air-blowing optical cable.Common mentality of designing:
1, it minimizes the outer diameter of air-blowing optical cable or reduces the contact surface area of air-blowing optical cable.Compact central tubular knot can be passed through
Structure reduces air-blowing size；2, the quality of air-blowing optical cable is reduced.It is reduced using the modes such as nonmetal structure or thinned conductor assembly outer diameter
The total quality of air-blowing optical cable.3, the jacket surface of air-blowing optical cable uses hard slippery material, reduces the modes such as coefficient of friction.
Chinese patent CN103513377A discloses a kind of superminiature air-blowing optical cable, including at least one Loose tube, institute
It states and is wrapped in several optical fiber in Loose tube, fiber paste is filled in the Loose tube；Oversheath is arranged with outside Loose tube, it is described outer
The outside wall circular of sheath is provided with several jagged teeth, the trapezoidal shape in the cross section of the teeth.Patent China and foreign countries
Jagged teeth are set on sheath, and zigzag is face contact, therefore in the superminiature air-blowing optical cable and pipeline of this patent disclosure
And the contact area of other air-blowing optical cables is bigger than normal.
Summary of the invention
The object of the present invention is to provide a kind of scientific structure designs, and frictional force is small, and construction lays convenience, light weight, production
Process a kind of easy new structural air-blowing optical cable and its manufacturing method.
For achieving the above object, the technical scheme is that
A kind of new structural air-blowing optical cable, radial distribution is successively from inside to outside for structure are as follows: the multifiber of innermost layer, package
The Loose tube of optical fiber, is filled with water blocking layer in Loose tube, and the Loose tube is equipped with tear rope, the Loose tube outer wall package
Outer jacket is equipped with several arcuation protrusions on outer jacket.
Further, the water blocking layer is greasy for preventing water or water blocking yarn.
Further, the arcuation protrusion is the half micro glass pearl or hollow nylon pearl for being embedded in outer jacket.
Further, the outer jacket is the polyolefin sheath layer that surface is coated with thermosol adhesive, is coated in polyolefin and protects
Thermosol adhesive on jacket layer generally selects the EEA that the content of ethyl acrylate is 23% or so, and (ethylene-ethylacrylate is total
Polymers), other high temperature resistants and the strong ethylene and its copolymer analog thermosol adhesive of cementability also can be selected.
Further, the micro glass pearl or hollow nylon pearl shape are circle, and diameter is the mm of 0.15 mm~0.2.
Further, the depth of the micro glass pearl or hollow nylon pearl shape insertion outer jacket is greater than or is equal to micro-
The radius of type bead or hollow nylon.
Further, the tear rope is at least arranged 2, and is symmetrical arranged by symmetry axis of the diameter of Loose tube.
A kind of manufacturing method of new structural air-blowing optical cable, mainly comprises the steps that
Step 1: extrusion molding Loose tube outside the multifiber after coloring, Loose tube extrusion molding while fills in Loose tube to block water
Ointment lays water blocking yarn, and by control optical fiber payingoff speed and sink temperature, has the optical fiber in Loose tube stable
Remaining length, guaranteeing that the transmission performance of optical fiber is not expanded with heat and contract with cold by Loose tube influences；
Step 2: by the horizontal drag and drop of tear rope two sides outside Loose tube, and integral extrusion outer jacket；
Step 3: outer jacket is after extruding machine extrusion molding, before cooling, the just coating hot-melt adhesive stick on not yet cooling outer jacket；
Step 4: the outer jacket for being coated with hot melt adhesive passes through the hopper equipped with micro glass pearl or hollow nylon pearl；And
By sizing die by micro glass pearl or hollow nylon pearl uniform adhesion on outer jacket, then pass through trumpet type extrusion die
Tool, micro glass pearl or hollow nylon pearl are uniformly partly embedded on outer jacket, guarantee micro glass pearl or hollow nylon pearl
The uniformity and fastness of adherency；Using heat, cold rinse bank, the outer jacket of a large amount of micro glass pearls or hollow nylon pearl would be embedded with
Cooling and shaping.
Further, the coating of the extrusion molding, hot melt adhesive of outer jacket, the adherency of micro glass pearl or hollow nylon pearl and
Squeezing telescopiny is online successive continuous production.
Further, the die orifice of the sizing die is having a size of increasing by 0.3 mm~0.4 on the basis of outer jacket (5) outer diameter
mm。
Further, the die orifice of the trumpet type extrusion die is having a size of increasing by 0.15 mm on the basis of outer jacket (5) outer diameter
~0.2 mm.
The beneficial effects of the present invention are:
The present invention has following several features compared with traditional air-blowing optical cable:
1, frictional force is small, and construction is laid conveniently: a kind of new structure air-blowing optical cable product proposed by the present invention, micro- due to using
On the one hand type bead or hollow nylon pearl utilize the hard slippery surface of pearl, reduce the skin-friction coefficient of air-blowing optical cable；
Be point contact simultaneously also using the surface of micro glass pearl or hollow nylon pearl arcuation protrusion, reduce air-blowing optical cable and pipeline and
The contact area of other air-blowing optical cables, thus the whole frictional force reduced during air-blowing optical cable is laid, so that integral construction cloth
It puts more convenient.
2, light weight, outer diameter are small: for using the gas for being embedded in micro glass pearl or hollow nylon pearl on outer jacket surface half
Micro- cable is blown, therefore this air-blowing optical cable outer diameter compared with other air-blowing optical cables is small, the quality of air-blowing optical cable can be effectively reduced, and
The unobvious tensile strength for reducing air-blowing micro-cable is more advantageous to air-blowing construction and lays.
3, production and processing is simple: a kind of new structure air-blowing optical cable manufacturing method of the present invention is simple, it is only necessary to
Installed additional in outer jacket production equipment hot melt adhesive coating equipment, micro glass pearl or hollow nylon pearl hopper, sizing die and
Trumpet type extrusion die, optional equipment is at low cost, and structure is simple, and does not influence the continuity of production, is a kind of inexpensive, efficient
The production and processing mode of rate.
4, laying installation is convenient: air-blowing optical cable size of the present invention is smaller, light quality, stable structure, therefore pacifies
Dress laying is convenient, especially facilitates and uses in restricted clearance.
Detailed description of the invention
Fig. 1 sectional view of the present invention.
Fig. 2 longitudal section figure of the present invention.
In figure: 1 be optical fiber, 2 be Loose tube, 3 be water blocking layer, 4 be tear rope, 5 be oversheath, 6 be arcuation protrusion.
Specific embodiment
Below in conjunction with attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
A kind of new structural air-blowing optical cable, radial distribution is successively from inside to outside for structure are as follows: the multifiber of innermost layer
1, the Loose tube 2 of optical fiber 1 is wrapped up, water blocking layer 3 is filled in Loose tube 2, the Loose tube 2 is equipped with tear rope 4, the pine
2 outer wall of casing wraps up outer jacket 5, and several arcuation protrusions 6 are equipped on outer jacket 5.
Further, the water blocking layer 3 is greasy for preventing water or water blocking yarn.
Further, micro glass pearl or hollow nylon pearl that the arcuation protrusion 6 is embedded in outer jacket 5 for half.
Further, the outer jacket 5 is the polyolefin sheath layer that surface is coated with thermosol adhesive, is coated in polyolefin and protects
Thermosol adhesive on jacket layer generally selects the EEA that the content of ethyl acrylate is 23% or so, and (ethylene-ethylacrylate is total
Polymers), other high temperature resistants and the strong ethylene and its copolymer analog thermosol adhesive of cementability also can be selected.
Further, the micro glass pearl or hollow nylon pearl shape are circle, and diameter is the mm of 0.15 mm~0.2.
Further, the depth of the micro glass pearl or hollow nylon pearl shape insertion outer jacket 5 is greater than or is equal to
The radius of micro glass pearl or hollow nylon.
Further, the tear rope 4 is at least arranged 2, and is symmetrical arranged by symmetry axis of the diameter of Loose tube 2.
A kind of manufacturing method of new structural air-blowing optical cable, mainly comprises the steps that
Step 1: the outer extrusion molding Loose tube 2 of multifiber 4 after coloring, 2 extrusion molding of Loose tube while, fill in Loose tube 2
Greasy for preventing water lays water blocking yarn, and by control 1 payingoff speed of optical fiber and sink temperature, has the optical fiber 1 in Loose tube 2
Stable remaining length guarantees that the transmission performance of optical fiber 1 is not influenced by expanding with heat and contract with cold for Loose tube 2；
Step 2: by the horizontal drag and drop of tear rope 4 in the outer two sides of Loose tube 2, and integral extrusion outer jacket 5；
Step 3: outer jacket 5 is after extruding machine extrusion molding, and before cooling, just coating hot-melt adhesive is viscous on not yet cooling outer jacket 5
Agent；
Step 4: the outer jacket 5 for being coated with hot melt adhesive passes through the hopper equipped with micro glass pearl or hollow nylon pearl；And
By sizing die by micro glass pearl or hollow nylon pearl uniform adhesion on outer jacket 5, then pass through trumpet type extrusion die
Tool, micro glass pearl or hollow nylon pearl are uniformly partly embedded on outer jacket 5, guarantee micro glass pearl or hollow nylon pearl
The uniformity and fastness of adherency；Using heat, cold rinse bank, the outer jacket of a large amount of micro glass pearls or hollow nylon pearl would be embedded with
5 cooling and shapings.
Further, the coating of the extrusion molding, hot melt adhesive of outer jacket 5, the adherency of micro glass pearl or hollow nylon pearl
It is online successive continuous production with telescopiny is squeezed.
Further, the die orifice of the sizing die is having a size of increasing the mm of 0.3 mm~0.4 on the basis of 5 outer diameter of outer jacket.
Further, the die orifice of the trumpet type extrusion die having a size of increase on the basis of 5 outer diameter of outer jacket 0.15 mm~
0.2 mm。
Optical fiber 1 of the present invention is single mode optical fiber, for routinely G.652 single mode optical fiber or G.657 bend-insensitive single mode
Optical fiber, Ying Fuhe GB/T 9771.1-2008 " communication use single mode optical fiber part 1: dispersion-unshifted single mode fiber characteristic " or
GB/T 9771.7-2012's " the 7th part of single mode optical fiber is used in communication: access net bending loss insensitive single-mode fiber characteristic "
It is required that.
The Loose tube 2 is using conventional polybutylene terephthalate (PBT) (abbreviation PBT) or other suitable plastics.PBT
Material property should meet " the secondary coated material part 1 of optical fiber: polybutylene terephthalate (PBT) rule of YD/T 1118.1
It is fixed ".
The greasy for preventing water filled in Loose tube 2 or water blocking yarn are conventional cable material, and greasy for preventing water should meet
The regulation of YD/T 839.2 " communication cable and optical cable filling and coating compound Part III: fiber paste "；Water blocking yarn should meet
The regulation of YD/T 1115.2 " communication cable and optical cable material water-proof material second part: water blocking yarn ".
The tear rope 4 is to put down to drag in the outer two sides of Loose tube 2, when for facilitating 1 welding of optical fiber, the stripping of outer jacket 5, together
When also function to enhancing air-blowing optical cable entirety tensile resistance, laid convenient for the construction of air-blowing optical cable.
The outer jacket 5 uses high density polyolefins material, Ying Fuhe GB/T 15065-2009 " wire and cable black
Vinyon " it requires, 5 average thickness of outer jacket is not less than 0.35mm, and minimum thickness is not less than 0.3mm.
The micro glass pearl or hollow nylon pearl should be sphere, and outer diameter is 0.15mm ~ 0.2mm, wherein non-round or adhesion
Pearl should be less than the 10% of pearl quality.The micro glass pearl of selection can refer to GB/T 24722-2009 " pavement strip glass
Glass pearl " it requires, density are as follows: 2.4 g/cm3~4.3 g/cm3.Hollow nylon pearl is selected, the matter of air-blowing optical cable can be further decreased
Amount, and hollow nylon pearl bonding in half insertion high density polyolefins outer jacket is relatively more secured.Properties of nylons should meet YD
The requirement of T 1020.1-2004 " cable and optical cable ant proof sheath material characteristic first part: polyamide ", density should be less than
1.08 g/cm3。
It is online that one layer of heat is coated by mold after the extrusion of outer jacket 5 when carrying out air-blowing optical cable outer jacket production process
Melten gel stick, for the adhesiveness for guaranteeing hot melt adhesive and outer jacket, the general content for selecting ethyl acrylate is 23% or so
EEA (ethylene-ethyl acrylate copolymer), other high temperature resistants and the strong ethylene and its copolymer analog of cementability also can be selected
Thermosol adhesive；Then on the outer jacket 5 for being coated with hot melt adhesive, when outer jacket 5 is not yet completely cooling, dress is first passed through
There is the hopper of micro glass pearl or hollow nylon pearl, micro glass pearl or hollow nylon pearl are adhered to the heat on 5 surface of outer jacket
On melten gel stick, and by the sizing die mm of 0.3 mm~0.4 bigger than 5 outer diameter of air-blowing optical cable outer jacket produced, guarantee
Micro glass pearl or hollow nylon pearl uniform adhesion are on outer jacket 5；It then will be miniature by the extruding of trumpet type extrusion die
Pearl is partly embedded into 5 surface of outer jacket, and the die orifice size of trumpet type extrusion die is 0.15mm bigger than 5 outer diameter of optical cable outer jacket~
0.2 mm。
Traditional dies when sizing die and trumpet type extrusion die are conventional wire cable extrusion processings, mold specific size
It is according to this application claims customizations.The optical cable that outer jacket 5 is coated with hot melt adhesive is passed through equipped with micro glass pearl or hollow Buddhist nun
In the middle part of the hopper of imperial pearl, the on both sides of the middle aperture of hopper, open pore size can be adjusted according to the size of cable outer diameter.Optical cable passes through material
After bucket, 5 surface of optical cable outer jacket can adhere to a large amount of micro glass pearls or hollow nylon pearl, more using that will adhere to when sizing die
Remaining microscopic beads bead or hollow nylon pearl strikes off, and guarantees that only uniform adhesion has one layer of miniature glass on air-blowing optical cable outer jacket surface
Glass pearl or hollow nylon pearl, therefore the die orifice size of sizing die will increase by 0.3 mm~0.4 on the basis of 5 outer diameter of outer jacket
mm.The air-blowing optical cable of one layer of micro glass pearl or hollow nylon pearl will be stained with using trumpet type extrusion die, it is therefore an objective to will
Micro glass pearl or hollow nylon pearl gradually squeeze on half insertion outer jacket 5, guarantee micro glass pearl or hollow nylon pearl and light
Cable outer jacket 5 closely fits together, to guarantee that micro glass pearl or hollow nylon pearl are partially submerged into light more than or equal to half
Cable outer jacket 5, therefore trumpet type extrusion die die orifice size need to increase the mm of 0.15mm~0.2 on the basis of 5 outer diameter of outer jacket.
A kind of new structure air-blowing optical cable provided by the invention and its manufacturing method, excellent product performance, at low cost, processing
Conveniently, it is able to achieve mass production, and there are many similarities with existing air-blowing optical cable processing technology, the training of employee can be saved
The time is instructed, while having a wide range of application, having a extensive future, there is very big Social benefit and economic benefit.This product is compared to tradition
Air-blowing optical cable is more suitable for using in the pipeline resource anxiety environment of current city, while also having good product stability, side
Just construction and higher economic benefit are laid.
Above-mentioned described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Claims (11)
1. a kind of new structural air-blowing optical cable, it is characterised in that: radial distribution is successively from inside to outside for its structure are as follows: innermost layer
Multifiber (1) wraps up the Loose tube (2) of optical fiber (1), is filled with water blocking layer (3) in Loose tube (2), the Loose tube (2)
It is externally provided with tear rope (4), Loose tube (2) outer wall wraps up outer jacket (5), and several arcuation protrusions are equipped on outer jacket (5)
(6).
2. a kind of new structural air-blowing optical cable according to claim 1, it is characterised in that: the water blocking layer (3) is resistance
Water ointment or water blocking yarn.
3. a kind of new structural air-blowing optical cable according to claim 1, it is characterised in that: the arcuation raised (6) is
Half is embedded in the micro glass pearl or hollow nylon pearl of outer jacket (5).
4. a kind of new structural air-blowing optical cable according to claim 1, it is characterised in that: the outer jacket (5) is table
Face is coated with the polyolefin sheath layer of thermosol adhesive.
5. a kind of new structural air-blowing optical cable according to claim 3, it is characterised in that: the micro glass pearl or in
Empty nylon beads shape is circle, and diameter is the mm of 0.15 mm~0.2.
6. a kind of new structural air-blowing optical cable according to claim 3 or 5, it is characterised in that: the micro glass pearl
Or the depth of hollow nylon pearl shape insertion outer jacket (5) is greater than or equal to micro glass pearl or the radius of hollow nylon.
7. a kind of new structural air-blowing optical cable according to claim 1, it is characterised in that: the tear rope (4) is at least
Setting 2, and be symmetrical arranged by symmetry axis of the diameter of Loose tube (2).
8. a kind of manufacturing method of such as described in any item new structural air-blowing optical cables of claim 1-7, it is characterised in that: main
Include the following steps
Step 1: by the outer extrusion molding Loose tube (2) of multifiber (1) after coloring, in Loose tube while Loose tube (2) extrusion molding
(2) greasy for preventing water is filled in or lays water blocking yarn, and by control optical fiber payingoff speed and sink temperature, is made in Loose tube (2)
Optical fiber (1) there is stable remaining length, guarantee that the transmission performance of optical fiber (1) is not expanded with heat and contract with cold influence by Loose tube (2)；
Step 2: by tear rope (4) horizontal drag and drop in Loose tube (2) outer two sides, and integral extrusion outer jacket (5)；
Step 3: outer jacket (5) is after extruding machine extrusion molding, and before cooling, coating hot-melt adhesive is viscous on not yet cooling outer jacket (5)
Agent；
Step 4: the outer jacket (5) for being coated with hot melt adhesive passes through the hopper equipped with micro glass pearl or hollow nylon pearl；
And pass through sizing die by micro glass pearl or hollow nylon pearl uniform adhesion on outer jacket (5), it is then crowded by trumpet type
Micro glass pearl or hollow nylon pearl are uniformly partly embedded on outer jacket (5) by compression mould, guarantee micro glass pearl or hollow
The uniformity and fastness of nylon beads adherency；Using heat, cold rinse bank, a large amount of micro glass pearls or hollow nylon pearl would be embedded with
Outer jacket (5) cooling and shaping.
9. a kind of production method of new structural air-blowing optical cable according to claim 8, it is characterised in that: outer jacket
(5) coating of extrusion molding, hot melt adhesive, the adherency of micro glass pearl or hollow nylon pearl and extruding telescopiny are online first
Continuous production afterwards.
10. a kind of production method of new structural air-blowing optical cable according to claim 8, it is characterised in that: described fixed
The die orifice of diameter mold is having a size of increasing the mm of 0.3 mm~0.4 on the basis of outer jacket (5) outer diameter.
11. a kind of production method of new structural air-blowing optical cable according to claim 8, it is characterised in that: the loudspeaker
The die orifice of type extrusion die is having a size of increasing the mm of 0.15 mm~0.2 on the basis of outer jacket (5) outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736719.4A CN110361822A (en) | 2019-08-10 | 2019-08-10 | A kind of new structural air-blowing optical cable and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736719.4A CN110361822A (en) | 2019-08-10 | 2019-08-10 | A kind of new structural air-blowing optical cable and its manufacturing method |
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| CN110361822A true CN110361822A (en) | 2019-10-22 |
Family
ID=68223816
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|---|---|---|---|
| CN201910736719.4A Pending CN110361822A (en) | 2019-08-10 | 2019-08-10 | A kind of new structural air-blowing optical cable and its manufacturing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176641A (en) * | 2021-04-26 | 2021-07-27 | 长飞光纤光缆股份有限公司 | Butterfly-shaped optical cable for air-blowing laying and manufacturing method thereof |
| US20220128783A1 (en) * | 2020-10-27 | 2022-04-28 | Sterlite Technologies Limited | Gas leak proof corrugated sheath design for reducing friction in optical fiber cables |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004066008A1 (en) * | 2003-01-24 | 2004-08-05 | Lg Cable Ltd. | Optical fiber unit for air blown installation, method and apparatus for manufacturing the same |
| CN1720474A (en) * | 2003-01-07 | 2006-01-11 | Lg电线有限公司 | Optical fiber unit for air blown installation and manufacturing method thereof |
| CN1759338A (en) * | 2003-03-07 | 2006-04-12 | 英国电讯有限公司 | Optical fiber cable and blowing installation technique |
| CN201440181U (en) * | 2009-08-11 | 2010-04-21 | 深圳市特发信息光网科技股份有限公司 | Minitype air-blowing optical cable |
| CN102183831A (en) * | 2010-05-31 | 2011-09-14 | 四川汇源光通信有限公司 | Center-tube-type miniature air-blowing optical cable with concave and convex grain grooves on surface and manufacturing method |
| CN107577020A (en) * | 2017-10-27 | 2018-01-12 | 江苏法尔胜光通有限公司 | Strengthen miniature air-blowing fiber unit and manufacture method |
| CN210348010U (en) * | 2019-08-10 | 2020-04-17 | 江苏俊知技术有限公司 | Air-blowing optical cable with novel structure |
-
2019
- 2019-08-10 CN CN201910736719.4A patent/CN110361822A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1720474A (en) * | 2003-01-07 | 2006-01-11 | Lg电线有限公司 | Optical fiber unit for air blown installation and manufacturing method thereof |
| WO2004066008A1 (en) * | 2003-01-24 | 2004-08-05 | Lg Cable Ltd. | Optical fiber unit for air blown installation, method and apparatus for manufacturing the same |
| CN1759338A (en) * | 2003-03-07 | 2006-04-12 | 英国电讯有限公司 | Optical fiber cable and blowing installation technique |
| CN201440181U (en) * | 2009-08-11 | 2010-04-21 | 深圳市特发信息光网科技股份有限公司 | Minitype air-blowing optical cable |
| CN102183831A (en) * | 2010-05-31 | 2011-09-14 | 四川汇源光通信有限公司 | Center-tube-type miniature air-blowing optical cable with concave and convex grain grooves on surface and manufacturing method |
| CN107577020A (en) * | 2017-10-27 | 2018-01-12 | 江苏法尔胜光通有限公司 | Strengthen miniature air-blowing fiber unit and manufacture method |
| CN210348010U (en) * | 2019-08-10 | 2020-04-17 | 江苏俊知技术有限公司 | Air-blowing optical cable with novel structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220128783A1 (en) * | 2020-10-27 | 2022-04-28 | Sterlite Technologies Limited | Gas leak proof corrugated sheath design for reducing friction in optical fiber cables |
| US11624883B2 (en) * | 2020-10-27 | 2023-04-11 | Sterlite Technologies Limited | Gas leak proof corrugated sheath design for reducing friction in optical fiber cables |
| CN113176641A (en) * | 2021-04-26 | 2021-07-27 | 长飞光纤光缆股份有限公司 | Butterfly-shaped optical cable for air-blowing laying and manufacturing method thereof |
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