CN107399068B - Self-supporting aerial wiring lead-in optical fiber ribbon optical cable forming die - Google Patents
Self-supporting aerial wiring lead-in optical fiber ribbon optical cable forming die Download PDFInfo
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- CN107399068B CN107399068B CN201710666682.3A CN201710666682A CN107399068B CN 107399068 B CN107399068 B CN 107399068B CN 201710666682 A CN201710666682 A CN 201710666682A CN 107399068 B CN107399068 B CN 107399068B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 55
- 239000013307 optical fiber Substances 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims description 6
- 238000007373 indentation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 2
- 239000011241 protective layer Substances 0.000 description 27
- 239000000463 material Substances 0.000 description 8
- 239000012768 molten material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0075—Light guides, optical cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention provides a self-supporting aerial wiring lead-in optical fiber ribbon optical cable forming die, which comprises an inner die and an outer die, wherein the outer die is sleeved outside the inner die, the inner die comprises an inner die cylinder part and an inner die frustum part connected with the inner die cylinder part, and the middle part of the inner die is of a cavity structure; the top end of the inner die frustum part is sequentially provided with a bearing steel wire hole, a first steel wire hole, an optical fiber hole and a second steel wire hole; the end part of the inner die frustum part is also provided with a C-shaped cavity forming body protruding out of the top end surface; the inner part of the outer mold is a conical cavity, and the inner wall of the outer mold is separated from the outer wall of the inner mold; the C-shaped cavity forming body is propped against the top of the inner cavity of the outer mold; the top of the outer die is provided with a bearing part forming opening and an optical cable main body forming opening; the invention makes up the blank of the production mould of the self-supporting cable; the structure is simple, the molding effect is good, and the optical cable structure with uniform outer surface can be rapidly extruded and molded; the forming die has high production efficiency and high quality uniformity of the formed optical cable.
Description
Technical Field
The invention belongs to the field of optical cable manufacturing, and particularly relates to a self-supporting aerial distribution lead-in optical fiber ribbon optical cable forming die.
Background
With the development of optical fiber technology, optical cables are widely applied to various information transmission fields, the existing optical cables mainly have no self-supporting structure, the optical cables are mainly supported by the strength of thin steel wires in the optical cables after overhead laying, the optical cable structure is easily affected by natural environment, and the self-supporting optical cables are poor in self-structural strength, so that the self-supporting optical cables also become a trend of optical cable technology development, and the existing technology is lack of a mould for producing and manufacturing the self-supporting optical cables, so that the development of a mould suitable for the self-supporting optical cables is necessary.
Disclosure of Invention
In view of the above, the invention aims to provide a self-supporting aerial distribution lead-in optical fiber ribbon optical cable forming die for producing and manufacturing self-supporting optical fiber cables, which makes up for the blank of the production technology of the self-supporting optical fiber cables, and meanwhile, the designed die has high reliability, can accurately form, and has high production efficiency and good quality.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the self-supporting aerial wiring lead-in optical fiber ribbon cable forming die comprises an inner die and an outer die, wherein the outer die is sleeved outside the inner die, the inner die comprises an inner die cylinder part and an inner die frustum part connected with the inner die cylinder part, and the middle part of the inner die is of a cavity structure; the top end of the inner die frustum part is sequentially provided with a bearing steel wire hole, a first steel wire hole, an optical fiber hole and a second steel wire hole; the end part of the inner die frustum part is also provided with a C-shaped cavity forming body protruding out of the top end surface and used for forming a C-shaped cavity on the optical cable; the bearing steel wire hole is used for penetrating through the bearing steel wire, the first steel wire hole and the second steel wire hole are respectively used for penetrating through the first steel wire and the second steel wire, and the optical fiber hole is used for penetrating through the optical fiber; the inner part of the outer mold is a conical cavity, the inner wall of the outer mold is separated from the outer wall of the inner mold, and the separated space is a flow passage of the protective layer molten material; the C-shaped cavity forming body is propped against the top of the inner cavity of the outer mold; the top of the outer die is provided with a bearing part forming opening and an optical cable main body forming opening; the bearing part forming opening is used for bearing steel wires coated by the protective layer; the optical cable main body forming port is used for the first steel wire, the second steel wire and the optical fiber which are coated by the protective layer;
preferably, the C-shaped cavity forming body comprises a first C-shaped hole die and a second C-shaped hole die, and the two hole dies are respectively used for forming a C-shaped cavity at a first steel wire and a C-shaped cavity at a second steel wire on the optical cable; the C cavity is convenient for stripping the optical cable protective layer;
preferably, the C-shaped cavity forming body further comprises a connecting plate die, the connecting plate die connects the first C-shaped hole die with the second C-shaped hole die to form a closed rectangular frame or round frame or frame body with other shapes, the rectangular frame or round frame or frame body with other shapes is matched with the optical fiber holes and is used for penetrating the optical fibers, and the frame body structure can effectively prevent fusion materials of the protective layer from being fused between the optical fibers to cause adhesion between the optical fibers and light;
the first C-shaped hole die and the second C-shaped hole die comprise an opening end part of the C-shaped hole die, a middle part of the C-shaped hole die and a bottom part of the C-shaped hole die, the outer parts of the bottoms of the two C-shaped hole dies are respectively connected with two opposite end parts of the connecting plate die, and the opening end parts of the two C-shaped hole dies face to the outer sides respectively; the tearing forming part is opposite to the middle part of the C-shaped hole die, so that the tearing opening on the produced optical cable can be opposite to the C-shaped cavity, and the stripping tool can be conveniently and accurately inserted into the C-shaped cavity;
preferably, a diversion notch is arranged on the inner die frustum part, namely, the inner die frustum part is cut off to form a diversion notch, and the diversion notch is convenient for the molten material of the protective layer to flow in;
preferably, a positioning groove for accurately aligning the inner die hole and the outer die hole is formed in the outer wall of the inner die cylinder part; meanwhile, the inner die is convenient to install;
preferably, a pair of tearing port forming parts are arranged in the optical cable main body forming port at the top of the outer die; the tearing port forming part is used for forming a tearing port outside the protective layer, and the tearing port is convenient for the stripper to position and strip;
preferably, a connecting shrinkage part with a narrowed size is arranged between the bearing part forming opening and the optical cable main body forming opening, the connecting shrinkage part is used for forming the shape of the protective layer connecting part on the optical cable, and the arrangement of the connecting shrinkage part greatly reduces the use of protective layer melting materials and reduces the production cost of the optical cable;
preferably, the aperture of the bearing steel wire hole is 1.3-1.6mm, and most preferably, when the material selection of the bearing steel wire is 1.2mm, the aperture of the bearing steel wire hole is 1.4mm; the aperture of the bearing steel wire hole is 0.2-0.3mm larger than that of the bearing steel wire according to actual requirements;
preferably, the diameters of the first steel wire hole and the second steel wire hole are equal and range from 0.5mm to 0.8mm; when the diameters of the first steel wire and the second steel wire are 0.5mm, the corresponding steel wire pore diameters are 0.6mm; the diameter of the steel wire is 0.1-0.2mm larger than the diameter of the steel wire according to actual requirements;
preferably, when the connecting plate die is rectangular, the length range is 1.1-1.3mm, the width range is 0.55-0.6mm, and the gap between the connecting plate die and the optical fibers can be controlled to be 0.1-0.15mm according to the number of the optical fibers actually passing through the optical fiber holes;
compared with the prior art, the self-supporting aerial wiring lead-in optical fiber ribbon optical cable forming die has the following advantages:
(1) The invention makes up the blank of the production mould of the self-supporting cable; the structure is simple, the molding effect is good, and the optical cable structure with uniform outer surface can be rapidly extruded and molded; the molding die has high production efficiency and high uniformity of the quality of the molded optical cable;
(2) The self-supporting type optical cable is reasonable in design and convenient to use, can realize the production of the self-supporting type optical cable, makes up for the manufacturing production of the self-supporting type optical cable, and meanwhile, when the self-supporting type optical cable is produced by a reasonable structure, the use of protective layer molten materials is greatly reduced, the cost is saved, the protruding C-shaped cavity forming body avoids the adhesion between optical fibers caused by the dispersion of the molten materials between the optical fibers, and the stripping of an outer protective layer of the optical fibers is facilitated; the tearing position is also conveniently identified in the setting of tearing mouth shaping portion, improves tearing efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a perspective view of an inner mold according to an embodiment of the present invention;
FIG. 2 is a front view of an inner mold according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an internal mold according to an embodiment of the present invention;
FIG. 4 is a C-shaped body according to an embodiment of the present invention;
FIG. 5 is a perspective view of an outer mold according to an embodiment of the present invention;
FIG. 6 is an external cross-sectional view of an embodiment of the present invention;
FIG. 7 is a schematic view of an optical cable according to an embodiment of the present invention;
reference numerals illustrate:
1-internal mold; 10-an inner mold cylinder part; 11-positioning grooves; 20-an internal mold frustum portion; 21-a diversion gap; 30-bearing steel wire holes; 31-a first wire hole; 32-a second wire hole; 33-fiber holes; a 40-C-shaped cavity shaped body; 41-a first C-shaped hole die; 42-a second C-shaped hole die; 411-C shaped aperture die open end; 412-C shaped hole mould middle part; 413-C shaped hole die valley bottoms; 43-connecting plate die; 5-outer die; 50-the inner wall of the outer mold; 500-tear-port molding; 530-a load bearing portion forming port; 531-connecting the pinch portion; 532-cable body forming port; 6-an optical cable; 60-bearing steel wires; 61-a first steel wire; 62-second steel wire; 63-C cavity; 64-optical fiber; 65-a protective layer; 66-protective layer connection; 67-tear.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1, 3, 5, 6 and 7, a self-supporting aerial wiring lead-in optical fiber ribbon cable forming die comprises an inner die 1 and an outer die 5, wherein the outer die 5 is sleeved outside the inner die 1, the inner die 1 comprises an inner die cylinder part 10 and an inner die frustum part 20 connected with the inner die cylinder part, and the middle part of the inner die 1 is of a cavity structure; a bearing wire hole 30, a first wire hole 31, an optical fiber hole 33 and a second wire hole 32 are sequentially arranged at the top end of the inner die frustum portion 20; the end part of the inner die frustum portion 20 is also provided with a C-shaped cavity forming body 40 protruding out of the top end surface for forming a C-shaped cavity 63 on the optical cable 6; wherein the bearing wire hole 30 is used for passing through the bearing wire 60, the first wire hole 31 and the second wire hole 32 are used for passing through the first wire 61 and the second wire 62 respectively, and the optical fiber hole 33 is used for passing through the optical fiber 64; the inside of the outer mold 5 is a conical cavity, the inner wall 50 of the outer mold is separated from the outer wall of the inner mold 1, and the separated space is a flow channel of protective layer melting materials; the C-shaped cavity forming body 40 is propped against the top of the inner cavity of the outer mold 5; a bearing part forming opening 530 and an optical cable main body forming opening 532 are formed at the top of the outer mold 5; the bearing part forming port 530 is used for the bearing steel wire covered by the protective layer; the cable body forming port 532 is for the first steel wire, the second steel wire and the optical fiber covered by the protective layer; wherein, a diversion gap 21 is arranged on the inner die frustum portion 20, namely, the inner die frustum portion 20 is cut off to form a diversion gap 21, and the diversion gap 21 is convenient for the molten material of the protective layer 65 to flow in; wherein, a positioning groove 11 for accurately aligning the inner die hole with the outer die hole is arranged on the outer wall of the inner die cylinder part 10; meanwhile, the inner die is convenient to install; wherein, a pair of tearing port forming parts 500 are provided in the optical cable body forming port 532 at the top of the outer mold 5; the tearing port forming part 500 is used for forming a tearing port 67 outside the protective layer 65, and the tearing port 67 is convenient for the stripper to position and strip;
referring to fig. 4, the C-shaped cavity forming body 40 includes a first C-shaped hole die 41 and a second C-shaped hole die 42, which are respectively used to form a C-shaped cavity 63 at a first steel wire 61 and a C-shaped cavity 63 at a second steel wire 62 on the optical cable 6; the C cavity 63 facilitates stripping of the optical cable protective layer; the C-cavity forming body 40 further includes a connecting plate mold 43, where the connecting plate mold 43 connects the first C-cavity forming body 41 with the second C-cavity forming body 42 to form a closed rectangular frame or a circular frame or a frame with other shapes, and the rectangular frame or the circular frame or the frame with other shapes is matched with the optical fiber hole 33, so as to pass through the optical fiber 6, and the frame structure can effectively prevent the fusion material of the protective layer from being fused between the optical fibers, so as to cause adhesion between the optical fiber and the light;
as shown in fig. 5, a connecting shrinkage part 531 with a narrowed size is arranged between the bearing part forming opening 530 and the optical cable main body forming opening 532, the connecting shrinkage part 531 is used for forming the shape of the protective layer connecting part 66 on the optical cable 6, and the arrangement of the connecting shrinkage part 531 greatly reduces the use of protective layer melting materials and reduces the production cost of the optical cable;
wherein, the first C-shaped hole die 41 and the second C-shaped hole die 42 each comprise a C-shaped hole die opening end 411, a C-shaped hole die middle 412 and a C-shaped hole die bottom 413, the outer parts of the two C-shaped hole die bottoms 413 are respectively connected with the two opposite ends of the connecting plate die 43, and the two C-shaped hole die opening ends 411 are respectively facing to the outer sides; the tearing port forming part 500 is opposite to the middle part 412 of the C-shaped hole die, so that the tearing port 67 on the produced optical cable is opposite to the C-shaped cavity 63, and the stripping tool is convenient to accurately insert into the C-shaped cavity 63;
wherein the aperture of the bearing steel wire hole 30 is 1.3-1.6mm, and when the material selection of the bearing steel wire is 1.2mm, the aperture of the bearing steel wire hole 30 is 1.4mm; the aperture of the bearing steel wire hole is 0.2-0.3mm larger than that of the bearing steel wire according to actual requirements; wherein the diameters of the first steel wire hole 31 and the second steel wire hole 32 are equal and in the range of 0.5-0.8; when the diameters of the first steel wire and the second steel wire are 0.5mm, the corresponding steel wire pore diameters are 0.6mm; the diameter of the steel wire is 0.1mm-0.2mm larger than the diameter of the steel wire according to actual requirements; wherein, the gap distance of the connecting shrinkage part 531 is 0.2-0.4mm, namely, the protective layer connecting part 66 with the thickness of 0.2-0.4mm is formed; the numerical range can ensure the connection strength between the protective layer outside the bearing steel wire and the protective layer of the optical cable main body part, and can reduce the material cost for manufacturing the optical cable;
referring to FIG. 2, wherein the protrusion height of the C-shaped cavity formed body 40 is 0.3-0.6mm, 0.5mm is usually selected; when the connection plate mold 43 is rectangular, the length range is 1.1-1.3mm, the width range is 0.55-0.6mm, and the gap between the connection plate mold 43 and the optical fibers can be controlled to be 0.1-0.15mm according to the number of the optical fibers actually passing through the optical fiber holes;
the self-supporting type optical cable is reasonable in design and convenient to use, can realize the production of the self-supporting type optical cable, makes up for the manufacturing production of the self-supporting type optical cable, and meanwhile, when the self-supporting type optical cable is produced by a reasonable structure, the use of protective layer molten materials is greatly reduced, the cost is saved, the protruding C-shaped cavity forming body avoids the adhesion between optical fibers caused by the dispersion of the molten materials between the optical fibers, and the stripping of an outer protective layer of the optical fibers is facilitated; the tearing position is also conveniently identified in the setting of tearing mouth shaping portion, improves tearing efficiency.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The self-supporting aerial wiring lead-in optical fiber ribbon optical cable forming die is characterized by comprising an inner die (1) and an outer die (5), wherein the outer die (5) is sleeved outside the inner die (1), the inner die (1) comprises an inner die cylinder part (10) and an inner die frustum part (20) connected with the inner die cylinder part, and the middle part of the inner die (1) is of a cavity structure; a bearing wire hole (30), a first wire hole (31), an optical fiber hole (33) and a second wire hole (32) are sequentially arranged at the top end of the inner die frustum portion (20); the end part of the inner die frustum part (20) is also provided with a C-shaped cavity forming body (40) protruding out of the top end surface; the inside of the outer mold (5) is a conical cavity, and the inner wall (50) of the outer mold is separated from the outer wall of the inner mold (1); the C-shaped cavity forming body (40) is propped against the top of the inner cavity of the outer mold (5); a bearing part forming opening (530) and an optical cable main body forming opening (532) are formed at the top of the outer mold (5).
2. The self-supporting aerial wiring drop fiber optic ribbon cable forming mold of claim 1, wherein the C-cavity forming body (40) comprises a first C-shaped hole die (41) and a second C-shaped hole die (42).
3. A self-supporting aerial wiring drop fiber optic ribbon cable forming die as in claim 2, wherein the C-cavity forming body (40) further comprises a connecting plate die (43), the connecting plate die (43) connecting the first C-shaped hole die (41) with the second C-shaped hole die (42) to form a closed frame that mates with the fiber optic hole (33).
4. A self-supporting aerial wiring lead-in fiber optic ribbon cable forming die as claimed in claim 1 wherein a diversion indentation (21) is provided on the inner die frustum portion (20).
5. A self-supporting aerial wiring lead-in optical fiber ribbon cable forming die as claimed in claim 1 wherein a locating groove (11) is provided in the outer wall of the inner die cylindrical portion (10).
6. A self-supporting air-wiring-introducing optical fiber ribbon cable forming mold according to claim 1, wherein a pair of tear-open forming portions (500) are provided in a cable body forming opening (532) at the top of the outer mold (5).
7. The self-supporting air-wire-guided optical fiber ribbon cable forming mold according to claim 6, wherein the first C-shaped hole mold (41) and the second C-shaped hole mold (42) each comprise a C-shaped hole mold opening end portion (411), a C-shaped hole mold middle portion (412) and a C-shaped hole mold valley bottom portion (413), the outer portions of the two C-shaped hole mold valley bottom portions (413) are respectively connected to the opposite end portions of the connecting plate mold (43), and the two C-shaped hole mold opening end portions (411) are respectively directed to the outside; the tear port forming portion (500) is opposite the C-shaped hole die middle portion (412).
8. The self-supporting air-wiring-introducing optical fiber ribbon cable molding die according to claim 1, wherein a connecting shrinkage portion (531) of a narrowed size is provided between the bearing portion forming port (530) and the cable main body forming port (532).
9. The self-supporting aerial wiring lead-in fiber optic ribbon cable forming die of claim 1 wherein the diameter of the load-bearing wire holes (30) is 1.3-1.6mm, the diameter of the load-bearing wire holes (30) being greater than 0.2-0.3mm of the load-bearing wires; the diameters of the first steel wire hole (31) and the second steel wire hole (32) are equal, and the range of the diameters is 0.5-0.8mm; the diameter of the two steel wires is 0.1-0.2mm larger than that of the two steel wires.
10. A self-supporting air-wiring-introducing optical fiber ribbon cable forming mold as claimed in claim 3, wherein the connecting plate mold (43) has a rectangular frame body with a length in the range of 1.1 to 1.3mm and a width in the range of 0.55 to 0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666682.3A CN107399068B (en) | 2017-08-07 | 2017-08-07 | Self-supporting aerial wiring lead-in optical fiber ribbon optical cable forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666682.3A CN107399068B (en) | 2017-08-07 | 2017-08-07 | Self-supporting aerial wiring lead-in optical fiber ribbon optical cable forming die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107399068A CN107399068A (en) | 2017-11-28 |
| CN107399068B true CN107399068B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710666682.3A Active CN107399068B (en) | 2017-08-07 | 2017-08-07 | Self-supporting aerial wiring lead-in optical fiber ribbon optical cable forming die |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110126231A (en) * | 2019-06-05 | 2019-08-16 | 西安西古光通信有限公司 | A kind of easily branched optical cable of self-bearing type indoor and outdoor and its extrusion die |
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| JP2006154640A (en) * | 2004-12-01 | 2006-06-15 | Hitachi Cable Ltd | Optical fiber cable and its manufacturing method |
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2017
- 2017-08-07 CN CN201710666682.3A patent/CN107399068B/en active Active
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|---|---|---|---|---|
| JP2006154640A (en) * | 2004-12-01 | 2006-06-15 | Hitachi Cable Ltd | Optical fiber cable and its manufacturing method |
| CN103149651A (en) * | 2012-12-28 | 2013-06-12 | 江苏亨通光电股份有限公司 | Easily-branching type multistrand rubber-insulated wire optical cable system and wiring method thereof |
| CN204178018U (en) * | 2014-09-05 | 2015-02-25 | 宁波鑫通信息科技有限公司 | A kind of twin-core butterfly optical cable mould |
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| CN107399068A (en) | 2017-11-28 |
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