CN101915972A - Anti-contraction optical cable and production method thereof - Google Patents
Anti-contraction optical cable and production method thereof Download PDFInfo
- Publication number
- CN101915972A CN101915972A CN 201010226908 CN201010226908A CN101915972A CN 101915972 A CN101915972 A CN 101915972A CN 201010226908 CN201010226908 CN 201010226908 CN 201010226908 A CN201010226908 A CN 201010226908A CN 101915972 A CN101915972 A CN 101915972A
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- loose sleeve
- protective seam
- groove
- loose
- 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
Images
Landscapes
- Communication Cables (AREA)
Abstract
The invention relates to the technical field of optical transmission communication carrier, in particular to an anti-contraction optical cable. The anti-contraction optical cable comprises a loose tube arranged at the center of the optical cable, a protection layer (3) covering the loose tube, a sheath layer (1) covering the protection layer, an reinforcer (2) arranged between the sheath layer and the protection layer and a plurality of optical fibers (6) arranged in the loose tube. The anti-contraction optical cable is characterized in that tube bodies (4) and grooves (5) are alternately distributed on the outer surface of the loose tube in sequence, the inner surface of the protection layer is provided with corresponding bulges, and the gap between the loose tube and the protection layer is stuffed with water blocking matters. The invention also discloses a production method of the anti-contraction optical cable. The invention has the advantages that the cable has less contraction, easier stripping, wide temperature adaptation scope, simple production process and high finished product yield.
Description
Technical field
The present invention relates to light transmission communications carrier technical field, particularly can prevent the optical cable and the manufacture method thereof of shrinking.
Background technology
Optical cable contains much information owing to transmission and is applied to field of communication transmission increasingly extensively.Optical cable commonly used in the communications field has central beam tube type, layer-twisted type and skeleton; The central tubular optical cable is a kind of version in the existing optical cable, it comprises the loose sleeve pipe that is positioned at optical cable central authorities, pine comprises multifiber in the sleeve pipe, and loose sleeve pipe also coats protective seam outward and enters behind the optical cable along the optical cable longtitudinal dispersion to prevent water and moisture, puts the coating restrictive coating outside protective seam; This class optical cable is when ambient temperature changes, and loose sleeve pipe will produce contraction to a certain degree, and this contraction will cause optic fibre force in the pipe, and when light system is laid in big regional of the temperature difference, the further aggravation of this kind situation, even can cause the communication disruption accident.Till, studied the optical cable that prevents loose sleeve pipe retraction in the industry; The applying date is that 2005.8.25, application number are 200520106358.9, Granted publication number is called for CN 2824073Y, name: a kind of anti-retraction, block water entirely, easy stripping fiber optic cables, adopted the waterproof viscose glue evenly also to be coated in continuously on the beam tube of center, the center beam tube has been bonded at realizes anti-the contraction on the oversheath; Though this mode has reached the purpose of anti-contraction, optical cable is difficult for out stripping.The applying date is that 2000.12.27, application number are 00264096.1, Granted publication number is called for, name for CN 2456180Y: the central tubular optical cable that prevents the beam tube retraction, adopt longitudinally to be provided with at interval between plastic-steel sheath and the center beam tube and realize preventing retraction, the same drawback that exists with above-mentioned patent with both allo hot melt adhesive rings; The applying date is that 2006.1.13, application number are 200680005231.15, publication number is CN 101120277A, name is called: low shrink telecommunications cable and manufacture method thereof, the contraction of adopting liquid crystal polymer to make reduce part and are placed on and realize anti-the contraction between overcoat and the cushion; Though reached the function of anti-contraction since liquid crystal polymer itself cost an arm and a leg and process in be difficult for to place, so practicality is very poor, cost is very high, yield rate is very low.
Summary of the invention
In order to address the above problem, the invention provides a kind of anti-contraction optical cable, it is to adopt following technical scheme to realize:
Anti-contraction optical cable, it comprises: a loose sleeve pipe that is positioned at optical cable central authorities; Envelope the protective seam 3 of loose sleeve pipe; Be coated on the restrictive coating 1 outside the protective seam; Reinforcement 2 between restrictive coating and protective seam; And be positioned at the many light transmitting fibers 6 of loose inside pipe casing; It is characterized in that: be intervally distributed with body 4 and groove 5 on the described loose bushing outer surface successively; The inside surface of protective seam has corresponding projection; Be filled with water-blocking material in the gap between pine sleeve pipe and the protective seam.
Anti-contraction optical cable, it comprises: a loose sleeve pipe that is positioned at optical cable central authorities; Stranded and be positioned at multi reinforcements 2 outside the loose sleeve pipe around loose sleeve pipe; Be coated on the protective seam 3 outside the reinforcement; Be coated on the restrictive coating 1 outside the protective seam; And be positioned at the many light transmitting fibers 6 of loose inside pipe casing; It is characterized in that: be intervally distributed with body 4 and groove 5 on the described loose bushing outer surface successively; The inside surface of protective seam has corresponding projection; Be filled with water-blocking material in the gap between pine sleeve pipe and the protective seam.
Anti-contraction optical cable, it comprises: a reinforcement 2 that is positioned at optical cable central authorities; Stranded and be positioned at many loose sleeve pipes outside the reinforcement around reinforcement; Be coated on the protective seam 3 outside the loose sleeve pipe; Be coated on the restrictive coating 1 outside the protective seam; And be positioned at the many light transmitting fibers 6 of loose inside pipe casing; It is characterized in that: be intervally distributed with body 4 and groove 5 on the described loose bushing outer surface successively; The inside surface of protective seam has corresponding projection; Be filled with water-blocking material in the gap between pine sleeve pipe and the protective seam.
Above-mentioned described anti-contraction optical cable is characterized in that described groove is annular pass-through or the loose bushing outer surface of local cutting, and does not run through the tube wall of loose sleeve pipe.
Above-mentioned described anti-contraction optical cable, the degree of depth that it is characterized in that described groove are the 5%-20% or the 0.05mm-0.15mm of the pipe thickness of loose sleeve pipe.
Above-mentioned described anti-contraction optical cable, the width that it is characterized in that described groove is 0.05mm-3.0mm.
Above-mentioned described anti-contraction optical cable is characterized in that described arbitrary groove is vertical with the axis of loose sleeve pipe.
Above-mentioned described anti-contraction optical cable, the material that it is characterized in that described loose sleeve pipe is polybutylene terephthalate or modified polypropene.
The manufacture method of anti-contraction optical cable is characterized in that comprising the following operation of carrying out successively:
The first step: painted, the true qualities optical fiber surface is coated the color that needs, coating thickness is 5 microns-10 microns;
Second step: secondary coated, draw loose sleeve pipe by extruding machine, and many painted good optical fiber are put into loose sleeve pipe, and in the gap of loose sleeve pipe, fill greasy for preventing water, the compactedness of greasy for preventing water is 90%-100%;
The 3rd step, make groove, the loose sleeve pipe of making is passed through the indentation device, make loose sleeve surface form groove; The degree of depth of groove is the 5%-20% or the 0.05mm-0.15mm of the pipe thickness of loose sleeve pipe; The width of groove is 0.05mm-3.0mm; Groove is vertical with the axis of loose sleeve pipe;
In the 4th step, oversheath extrudes, and loose sleeve pipe that the 3rd step was made and starting material reinforcement, protective seam pass the mould on the head that is installed in the sheath extruding machine, and traction, and the protective cover material of molten condition is extruded equably outside protective seam; Protective seam carries out embossing earlier by embossing calender before entering mould; And the gap between loose sleeve pipe and protective seam is filled with water-blocking material.
The manufacture method of anti-contraction optical cable is characterized in that comprising the following operation of carrying out successively:
The first step: painted, the true qualities optical fiber surface is coated the color that needs, coating thickness is 5 microns-10 microns;
Second step: secondary coated, draw loose sleeve pipe by extruding machine, and many painted good optical fiber are put into loose sleeve pipe, and in the gap of loose sleeve pipe, fill greasy for preventing water, the compactedness of greasy for preventing water is 90%-100%;
The 3rd step, make groove, the loose sleeve pipe of making is passed through the indentation device, make loose sleeve surface form groove; The degree of depth of groove is the 5%-20% or the 0.05mm-0.15mm of the pipe thickness of loose sleeve pipe; The width of groove is 0.05mm-3.0mm; Groove is vertical with the axis of loose sleeve pipe;
The 4th step was twisted into cable core, and the loose sleeve pipe that the 3rd step was made passes armoring machine, loose sleeve pipe outside stranded on multi reinforcements formation cable core;
In the 5th step, oversheath extrudes, and cable core that the 4th step was made and starting material protective seam pass the mould on the head that is installed in the sheath extruding machine, and traction, and the protective cover material of molten condition is extruded equably outside protective seam; Protective seam carries out embossing earlier by embossing calender before entering mould; And fill water-blocking material in the gap between loose sleeve pipe and protective seam.
The manufacture method of anti-contraction optical cable is characterized in that comprising the following operation of carrying out successively:
The first step: painted, the true qualities optical fiber surface is coated the color that needs, coating thickness is 5 microns-10 microns;
Second step: secondary coated, draw loose sleeve pipe by extruding machine, and many painted good optical fiber are put into loose sleeve pipe, and in the gap of loose sleeve pipe, fill greasy for preventing water, the compactedness of greasy for preventing water is 90%-100%;
The 3rd step, make groove, the loose sleeve pipe of making is passed through the indentation device, make loose sleeve surface form groove; The degree of depth of groove is the 5%-20% or the 0.05mm-0.15mm of the pipe thickness of loose sleeve pipe; The width of groove is 0.05mm-3.0mm; Groove is vertical with the axis of loose sleeve pipe;
The 4th step was twisted into cable core, and the loose sleeve pipe that the 3rd step was made is by the SZ stranding machine, outside reinforcement stranded many loose sleeve-shaped become cable core;
In the 5th step, oversheath extrudes, and cable core that the 4th step was made and starting material protective seam pass the mould on the head that is installed in the sheath extruding machine, and traction, and the protective cover material of molten condition is extruded equably outside protective seam; Protective seam carries out embossing earlier by embossing calender before entering mould; And fill water-blocking material in the gap between loose sleeve pipe and protective seam.
Anti-contraction optical cable of the present invention owing to have groove on the loose sleeve pipe, matches with embossing on the protective seam, forms the mutual restriction effect, therefore, even temperature variation is very big, can guarantees that also loose sleeve pipe does not reclaim, and easily open stripping.
Therefore, the present invention has following beneficial effect: the retraction of optical cable is littler, open that stripping is more convenient, temperature adaptation is wider; The production process of optical cable is simple, and product qualified rate is higher.
Description of drawings
Fig. 1 is the perspective view of opening after the invention process example one intercepts a section under the stripping state;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the left view of Fig. 1 at groove;
Fig. 4 is the perspective view of opening after the invention process example two intercepts a section under the stripping state;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the left view of Fig. 4 at groove;
Fig. 7 is the perspective view of opening after the invention process example three intercepts a section under the stripping state;
Fig. 8 is the cross-sectional structure synoptic diagram of the invention process example four;
Fig. 9 is the cross-sectional structure synoptic diagram of the invention process example five.
Embodiment
Below in conjunction with accompanying drawing, describe embodiment in detail; Embodiment one to embodiment five is the embodiment of optical cable of the present invention; Embodiment six is to the embodiment of embodiment eight for the manufacture method of optical cable of the present invention.
Embodiment one
See also Fig. 1-Fig. 3, anti-contraction optical cable, it comprises: a loose sleeve pipe that is positioned at optical cable central authorities; Envelope the protective seam 3 of loose sleeve pipe; Be coated on the restrictive coating 1 outside the protective seam; Reinforcement 2 between restrictive coating and protective seam; And be positioned at the many light transmitting fibers 6 of loose inside pipe casing; It is characterized in that: be intervally distributed with body 4 and groove 5 on the described loose bushing outer surface successively; The inside surface of protective seam has corresponding projection; Be filled with water-blocking material in the gap between pine sleeve pipe and the protective seam.Described groove is an annular pass-through pine bushing outer surface, and does not run through the tube wall of loose sleeve pipe.
Embodiment two
See also Fig. 4-Fig. 6, with embodiment one, difference is substantially: described groove is the loose bushing outer surface of local cutting, and does not run through the tube wall of loose sleeve pipe.
Embodiment three
See also Fig. 7, and with reference to figure 5 and Fig. 6, with embodiment two, difference is substantially: the width of groove is narrower, and the degree of depth is more shallow.
Embodiment four
See also Fig. 8, anti-contraction optical cable, it comprises: a loose sleeve pipe that is positioned at optical cable central authorities; Stranded and be positioned at multi reinforcements 2 outside the loose sleeve pipe around loose sleeve pipe; Be coated on the protective seam 3 outside the reinforcement; Be coated on the restrictive coating 1 outside the protective seam; And be positioned at the many light transmitting fibers 6 of loose inside pipe casing; It is characterized in that: be intervally distributed with body 4 and groove 5 on the described loose bushing outer surface successively; The inside surface of protective seam has corresponding projection; Be filled with water-blocking material in the gap between pine sleeve pipe and the protective seam.
Embodiment five
See also Fig. 9, anti-contraction optical cable, it comprises: a reinforcement 2 that is positioned at optical cable central authorities; Stranded and be positioned at many loose sleeve pipes outside the reinforcement around reinforcement; Be coated on the protective seam 3 outside the loose sleeve pipe; Be coated on the restrictive coating 1 outside the protective seam; And be positioned at the many light transmitting fibers 6 of loose inside pipe casing; It is characterized in that: be intervally distributed with body 4 and groove 5 on the described loose bushing outer surface successively; The inside surface of protective seam has corresponding projection; Be filled with water-blocking material in the gap between pine sleeve pipe and the protective seam.
The described anti-contraction optical cable of above-mentioned arbitrary embodiment is characterized in that described groove is annular pass-through or the loose bushing outer surface of local cutting, and does not run through the tube wall of loose sleeve pipe.
The described anti-contraction optical cable of above-mentioned arbitrary embodiment, the degree of depth that it is characterized in that described groove are the 5%-20% or the 0.05mm-0.15mm of the pipe thickness of loose sleeve pipe.
The described anti-contraction optical cable of above-mentioned arbitrary embodiment, the width that it is characterized in that described groove is 0.05mm-3.0mm.
The described anti-contraction optical cable of above-mentioned arbitrary embodiment is characterized in that described arbitrary groove is vertical with the axis of loose sleeve pipe.
The described anti-contraction optical cable of above-mentioned arbitrary embodiment, the material that it is characterized in that described loose sleeve pipe is polybutylene terephthalate or modified polypropene.
Embodiment six
The manufacture method of anti-contraction optical cable is characterized in that comprising the following operation of carrying out successively:
The first step: painted, the true qualities optical fiber surface is coated the color that needs, coating thickness is 5 microns-10 microns;
Second step: secondary coated, draw loose sleeve pipe by extruding machine, and many painted good optical fiber are put into loose sleeve pipe, and in the gap of loose sleeve pipe, fill greasy for preventing water, the compactedness of greasy for preventing water is 90%-100%;
The 3rd step, make groove, the loose sleeve pipe of making is passed through the indentation device, make loose sleeve surface form groove; The degree of depth of groove is the 5%-20% or the 0.05mm-0.15mm of the pipe thickness of loose sleeve pipe; The width of groove is 0.05mm-3.0mm; Groove is vertical with the axis of loose sleeve pipe;
In the 4th step, oversheath extrudes, and loose sleeve pipe that the 3rd step was made and starting material reinforcement, protective seam pass the mould on the head that is installed in the sheath extruding machine, and traction, and the protective cover material of molten condition is extruded equably outside protective seam; Protective seam carries out embossing earlier by embossing calender before entering mould; And the gap between loose sleeve pipe and protective seam is filled with water-blocking material.
Embodiment seven
The manufacture method of anti-contraction optical cable is characterized in that comprising the following operation of carrying out successively:
The first step: painted, the true qualities optical fiber surface is coated the color that needs, coating thickness is 5 microns-10 microns;
Second step: secondary coated, draw loose sleeve pipe by extruding machine, and many painted good optical fiber are put into loose sleeve pipe, and in the gap of loose sleeve pipe, fill greasy for preventing water, the compactedness of greasy for preventing water is 90%-100%;
The 3rd step, make groove, the loose sleeve pipe of making is passed through the indentation device, make loose sleeve surface form groove; The degree of depth of groove is the 5%-20% or the 0.05mm-0.15mm of the pipe thickness of loose sleeve pipe; The width of groove is 0.05mm-3.0mm; Groove is vertical with the axis of loose sleeve pipe;
The 4th step was twisted into cable core, and the loose sleeve pipe that the 3rd step was made passes armoring machine, loose sleeve pipe outside stranded on multi reinforcements formation cable core;
In the 5th step, oversheath extrudes, and cable core that the 4th step was made and starting material protective seam pass the mould on the head that is installed in the sheath extruding machine, and traction, and the protective cover material of molten condition is extruded equably outside protective seam; Protective seam carries out embossing earlier by embossing calender before entering mould; And fill water-blocking material in the gap between loose sleeve pipe and protective seam.
Embodiment eight
The manufacture method of anti-contraction optical cable is characterized in that comprising the following operation of carrying out successively:
The first step: painted, the true qualities optical fiber surface is coated the color that needs, coating thickness is 5 microns-10 microns;
Second step: secondary coated, draw loose sleeve pipe by extruding machine, and many painted good optical fiber are put into loose sleeve pipe, and in the gap of loose sleeve pipe, fill greasy for preventing water, the compactedness of greasy for preventing water is 90%-100%;
The 3rd step, make groove, the loose sleeve pipe of making is passed through the indentation device, make loose sleeve surface form groove; The degree of depth of groove is the 5%-20% or the 0.05mm-0.15mm of the pipe thickness of loose sleeve pipe; The width of groove is 0.05mm-3.0mm; Groove is vertical with the axis of loose sleeve pipe;
The 4th step was twisted into cable core, and the loose sleeve pipe that the 3rd step was made is by the SZ stranding machine, outside reinforcement stranded many loose sleeve-shaped become cable core;
In the 5th step, oversheath extrudes, and cable core that the 4th step was made and starting material protective seam pass the mould on the head that is installed in the sheath extruding machine, and traction, and the protective cover material of molten condition is extruded equably outside protective seam; Protective seam carries out embossing earlier by embossing calender before entering mould; And fill water-blocking material in the gap between loose sleeve pipe and protective seam.
Anti-contraction optical cable of the present invention owing to have groove on the loose sleeve pipe, matches with embossing on the protective seam, forms the mutual restriction effect, therefore, even temperature variation is very big, can guarantees that also loose sleeve pipe does not reclaim, and easily open stripping.
Therefore, the present invention has following beneficial effect: the retraction of optical cable is littler, open that stripping is more convenient, temperature adaptation is wider; The production process of optical cable is simple, and product qualified rate is higher.
The above only is the present invention typical case specific embodiment; everyly be familiar with this skill personage and make various modifications or change very easily in view of the above; therefore, all equivalence replacements that claim spirit of the present invention is done that do not break away from all should be included in this patent protection domain.
Claims (9)
1. anti-contraction optical cable, it comprises: a loose sleeve pipe that is positioned at optical cable central authorities; Envelope the protective seam (3) of loose sleeve pipe; Be coated on the restrictive coating (1) outside the protective seam; Reinforcement between restrictive coating and protective seam (2); And be positioned at the many light transmitting fibers (6) of loose inside pipe casing; It is characterized in that: be intervally distributed with body (4) and groove (5) on the described loose bushing outer surface successively; The inside surface of protective seam has corresponding projection; Be filled with water-blocking material in the gap between pine sleeve pipe and the protective seam.
2. anti-contraction optical cable, it comprises: a loose sleeve pipe that is positioned at optical cable central authorities; Stranded and be positioned at multi reinforcements (2) outside the loose sleeve pipe around loose sleeve pipe; Be coated on the protective seam (3) outside the reinforcement; Be coated on the restrictive coating (1) outside the protective seam; And be positioned at the many light transmitting fibers (6) of loose inside pipe casing; It is characterized in that: be intervally distributed with body (4) and groove (5) on the described loose bushing outer surface successively; The inside surface of protective seam has corresponding projection; Be filled with water-blocking material in the gap between pine sleeve pipe and the protective seam.
3. anti-contraction optical cable, it comprises: a reinforcement (2) that is positioned at optical cable central authorities; Stranded and be positioned at many loose sleeve pipes outside the reinforcement around reinforcement; Be coated on the protective seam (3) outside the loose sleeve pipe; Be coated on the restrictive coating (1) outside the protective seam; And be positioned at the many light transmitting fibers (6) of loose inside pipe casing; It is characterized in that: be intervally distributed with body (4) and groove (5) on the described loose bushing outer surface successively; The inside surface of protective seam has corresponding projection; Be filled with water-blocking material in the gap between pine sleeve pipe and the protective seam.
4. according to claim 1 or 2 or 3 described anti-contraction optical cables, it is characterized in that: described groove is annular pass-through or the loose bushing outer surface of local cutting, and does not run through the tube wall of loose sleeve pipe.
5. according to claim 1 or 2 or 3 described anti-contraction optical cables, it is characterized in that: the degree of depth of described groove is the 5%-20% or the 0.05mm-0.15mm of the pipe thickness of loose sleeve pipe.
6. according to claim 1 or 2 or 3 described anti-contraction optical cables, be characterised in that: the width of described groove is 0.05mm-3.0mm.
7. according to claim 1 or 2 or 3 described anti-contraction optical cables, it is characterized in that: described arbitrary groove is vertical with the axis of loose sleeve pipe.
8. the manufacture method of anti-contraction optical cable is characterized in that comprising the following operation of carrying out successively:
The first step: painted, the true qualities optical fiber surface is coated the color that needs, coating thickness is 5 microns-10 microns;
Second step: secondary coated, draw loose sleeve pipe by extruding machine, and many painted good optical fiber are put into loose sleeve pipe, and in the gap of loose sleeve pipe, fill greasy for preventing water, the compactedness of greasy for preventing water is 90%-100%;
The 3rd step, make groove, the loose sleeve pipe of making is passed through the indentation device, make loose sleeve surface form groove; The degree of depth of groove is the 5%-20% or the 0.05mm-0.15mm of the pipe thickness of loose sleeve pipe; The width of groove is 0.05mm-3.0mm; Groove is vertical with the axis of loose sleeve pipe;
In the 4th step, oversheath extrudes, and loose sleeve pipe that the 3rd step was made and starting material reinforcement, protective seam pass the mould on the head that is installed in the sheath extruding machine, and traction, and the protective cover material of molten condition is extruded equably outside protective seam; Protective seam carries out embossing earlier by embossing calender before entering mould; And the gap between loose sleeve pipe and protective seam is filled with water-blocking material.
9. the manufacture method of anti-contraction optical cable is characterized in that comprising the following operation of carrying out successively:
The first step: painted, the true qualities optical fiber surface is coated the color that needs, coating thickness is 5 microns-10 microns;
Second step: secondary coated, draw loose sleeve pipe by extruding machine, and many painted good optical fiber are put into loose sleeve pipe, and in the gap of loose sleeve pipe, fill greasy for preventing water, the compactedness of greasy for preventing water is 90%-100%;
The 3rd step, make groove, the loose sleeve pipe of making is passed through the indentation device, make loose sleeve surface form groove; The degree of depth of groove is the 5%-20% or the 0.05mm-0.15mm of the pipe thickness of loose sleeve pipe; The width of groove is 0.05mm-3.0mm; Groove is vertical with the axis of loose sleeve pipe;
The 4th step was twisted into cable core, and the loose sleeve pipe that the 3rd step was made passes armoring machine, loose sleeve pipe outside stranded on multi reinforcements formation cable core;
In the 5th step, oversheath extrudes, and cable core that the 4th step was made and starting material protective seam pass the mould on the head that is installed in the sheath extruding machine, and traction, and the protective cover material of molten condition is extruded equably outside protective seam; Protective seam carries out embossing earlier by embossing calender before entering mould; And fill water-blocking material in the gap between loose sleeve pipe and protective seam.10, the manufacture method of anti-contraction optical cable is characterized in that comprising the following operation of carrying out successively:
The first step: painted, the true qualities optical fiber surface is coated the color that needs, coating thickness is 5 microns-10 microns;
Second step: secondary coated, draw loose sleeve pipe by extruding machine, and many painted good optical fiber are put into loose sleeve pipe, and in the gap of loose sleeve pipe, fill greasy for preventing water, the compactedness of greasy for preventing water is 90%-100%;
The 3rd step, make groove, the loose sleeve pipe of making is passed through the indentation device, make loose sleeve surface form groove; The degree of depth of groove is the 5%-20% or the 0.05mm-0.15mm of the pipe thickness of loose sleeve pipe; The width of groove is 0.05mm-3.0mm; Groove is vertical with the axis of loose sleeve pipe;
The 4th step was twisted into cable core, and the loose sleeve pipe that the 3rd step was made is by the SZ stranding machine, outside reinforcement stranded many loose sleeve-shaped become cable core;
In the 5th step, oversheath extrudes, and cable core that the 4th step was made and starting material protective seam pass the mould on the head that is installed in the sheath extruding machine, and traction, and the protective cover material of molten condition is extruded equably outside protective seam; Protective seam carries out embossing earlier by embossing calender before entering mould; And fill water-blocking material in the gap between loose sleeve pipe and protective seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010226908 CN101915972A (en) | 2010-07-03 | 2010-07-03 | Anti-contraction optical cable and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010226908 CN101915972A (en) | 2010-07-03 | 2010-07-03 | Anti-contraction optical cable and production method thereof |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103052545A Division CN102798952A (en) | 2010-07-03 | 2010-07-03 | Shrinkage preventing optical fiber cable and manufacturing method thereof |
| CN2012103052634A Division CN102798953A (en) | 2010-07-03 | 2010-07-03 | Shrinkage preventing optical fiber cable and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101915972A true CN101915972A (en) | 2010-12-15 |
Family
ID=43323524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010226908 Pending CN101915972A (en) | 2010-07-03 | 2010-07-03 | Anti-contraction optical cable and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101915972A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103042672A (en) * | 2012-12-26 | 2013-04-17 | 青岛中能集团有限公司 | Stranded outdoor special optical cable sheath extruding process |
| CN105204133A (en) * | 2015-11-03 | 2015-12-30 | 江苏亨通光电股份有限公司 | Preparation method of flat-shaped self-supporting access optical fiber ribbon optical cable and optical cable prepared through preparation method |
| CN105676382A (en) * | 2014-06-26 | 2016-06-15 | 灏圭孩 | Method for manufacturing photoelectric composite cable with compact structure |
| CN106932874A (en) * | 2017-04-13 | 2017-07-07 | 通鼎互联信息股份有限公司 | The preparation method of filling type optical cable |
| CN107193092A (en) * | 2015-04-23 | 2017-09-22 | 龚利芬 | Butterfly leading in cable and preparation method |
| CN107894634A (en) * | 2017-11-20 | 2018-04-10 | 广东中天科技光缆有限公司 | A kind of single armour optical cable production technology |
| CN107942454A (en) * | 2017-11-20 | 2018-04-20 | 广东中天科技光缆有限公司 | A kind of center type optical cable production technology |
| CN108051894A (en) * | 2017-11-20 | 2018-05-18 | 广东中天科技光缆有限公司 | A kind of double armour optical cable production technologies |
| CN111965774A (en) * | 2020-08-25 | 2020-11-20 | 宏安集团有限公司 | Low-temperature-resistant special optical cable and production process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6474269A (en) * | 1987-09-16 | 1989-03-20 | Nippon Telegraph & Telephone | Molecularly oriented thermoplastic resin composition and reinforcing support for optical fiber cable |
| WO2009110177A1 (en) * | 2008-03-07 | 2009-09-11 | Fujikura Ltd. | Optical fiber cable and method of mid-span access thereof |
| CN101644804A (en) * | 2009-06-24 | 2010-02-10 | 沈群华 | Composite optical cable of fiber ribbon and loose fiber |
| CN101650458A (en) * | 2009-06-24 | 2010-02-17 | 沈群华 | Center beam tube type cable |
| CN101697028A (en) * | 2009-10-17 | 2010-04-21 | 沈群华 | Method for producing layer-stranded cables in two steps and device therefor |
| CN101706607A (en) * | 2009-12-11 | 2010-05-12 | 沈群华 | Central loose tube type optical cable with deformed reinforcer |
-
2010
- 2010-07-03 CN CN 201010226908 patent/CN101915972A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6474269A (en) * | 1987-09-16 | 1989-03-20 | Nippon Telegraph & Telephone | Molecularly oriented thermoplastic resin composition and reinforcing support for optical fiber cable |
| WO2009110177A1 (en) * | 2008-03-07 | 2009-09-11 | Fujikura Ltd. | Optical fiber cable and method of mid-span access thereof |
| CN101644804A (en) * | 2009-06-24 | 2010-02-10 | 沈群华 | Composite optical cable of fiber ribbon and loose fiber |
| CN101650458A (en) * | 2009-06-24 | 2010-02-17 | 沈群华 | Center beam tube type cable |
| CN101697028A (en) * | 2009-10-17 | 2010-04-21 | 沈群华 | Method for producing layer-stranded cables in two steps and device therefor |
| CN101706607A (en) * | 2009-12-11 | 2010-05-12 | 沈群华 | Central loose tube type optical cable with deformed reinforcer |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103042672A (en) * | 2012-12-26 | 2013-04-17 | 青岛中能集团有限公司 | Stranded outdoor special optical cable sheath extruding process |
| CN105676382A (en) * | 2014-06-26 | 2016-06-15 | 灏圭孩 | Method for manufacturing photoelectric composite cable with compact structure |
| CN105676382B (en) * | 2014-06-26 | 2018-11-16 | 山东特发光源光通信有限公司 | A method of manufacturing compact-sized optoelectrical cable |
| CN107193092A (en) * | 2015-04-23 | 2017-09-22 | 龚利芬 | Butterfly leading in cable and preparation method |
| CN105204133A (en) * | 2015-11-03 | 2015-12-30 | 江苏亨通光电股份有限公司 | Preparation method of flat-shaped self-supporting access optical fiber ribbon optical cable and optical cable prepared through preparation method |
| CN106932874A (en) * | 2017-04-13 | 2017-07-07 | 通鼎互联信息股份有限公司 | The preparation method of filling type optical cable |
| CN107894634A (en) * | 2017-11-20 | 2018-04-10 | 广东中天科技光缆有限公司 | A kind of single armour optical cable production technology |
| CN107942454A (en) * | 2017-11-20 | 2018-04-20 | 广东中天科技光缆有限公司 | A kind of center type optical cable production technology |
| CN108051894A (en) * | 2017-11-20 | 2018-05-18 | 广东中天科技光缆有限公司 | A kind of double armour optical cable production technologies |
| CN111965774A (en) * | 2020-08-25 | 2020-11-20 | 宏安集团有限公司 | Low-temperature-resistant special optical cable and production process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101915972A (en) | Anti-contraction optical cable and production method thereof | |
| CN105278066A (en) | Double layer co-extrusion method for extremely micro air-blowing optical cable, and the extremely micro air-blowing optical cable | |
| US7742668B2 (en) | Semi-tight optical fiber unit | |
| JPH05341162A (en) | Multiple waveguide type cylindrical photoconductor for communication cable | |
| CA3222457A1 (en) | Overhead ribbon cable, manufacturing method and manufacturing system for overhead ribbon cable | |
| EP3074802B1 (en) | High installation performance blown optical fibre unit, manufacturing method and apparatus | |
| CN101592766A (en) | Layer-stranding cable with two-layer loose sleeve | |
| CN204009177U (en) | Four parallel reinforcements of a kind of dry type are without bushing type optical fibre band optical cable | |
| CN101446664B (en) | Hollow quartz plastic special optical fiber | |
| CN105632602A (en) | Photoelectric composite cable comprising coaxial electrical units | |
| CN102798952A (en) | Shrinkage preventing optical fiber cable and manufacturing method thereof | |
| CN102798953A (en) | Shrinkage preventing optical fiber cable and manufacturing method thereof | |
| CN101614842B (en) | Indoor-laying optical fiber | |
| US20050117858A1 (en) | Optical fiber cable and method of manufacturing therefor | |
| CN106847389A (en) | A kind of optoelectrical cable | |
| CN203745700U (en) | Structure-improved central-tube ribbon optic cable | |
| CN107193093A (en) | A kind of radiation hardness fire-retardant cable and its manufacture method | |
| CN209281025U (en) | Large core number air-blowing micro-cable based on fiber bundle structure | |
| CN116338883A (en) | Optical cable and manufacturing method thereof | |
| CN104730666A (en) | Layer-stranding cable and manufacturing method | |
| CN101666895A (en) | Micro-fiber bundle unit and optical cable taking micro-fiber bundle unit as basic structure | |
| CN103837954A (en) | Central-tube-type ribbon optical fiber cable with improved structure | |
| CN211348765U (en) | Groove frame type primary-secondary optical cable | |
| CN207586495U (en) | A kind of access optical cable | |
| CN107076943B (en) | Optical cable with retractable modules and method for manufacturing modules |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20101215 |