CN104765112A - Double-sealing optical cable joint box - Google Patents
Double-sealing optical cable joint box Download PDFInfo
- Publication number
- CN104765112A CN104765112A CN201410653279.3A CN201410653279A CN104765112A CN 104765112 A CN104765112 A CN 104765112A CN 201410653279 A CN201410653279 A CN 201410653279A CN 104765112 A CN104765112 A CN 104765112A
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- CN
- China
- Prior art keywords
- base
- optical cable
- seal
- cable
- turnover
- 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
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4453—Cassettes
- G02B6/4454—Cassettes with splices
-
- 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
- G02B6/4439—Auxiliary devices
- G02B6/4457—Bobbins; Reels
- G02B6/4458—Coiled, e.g. extensible helix
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention provides a double-sealing optical cable joint box comprising a base, a box body, and a fiber storage disc. The base comprises a base body, inlet and outlet optical cable conduits passing through the base and extending to the two sides of the base body, and outer and inner sealing mechanisms. The outer walls of the inlet and outlet optical cable conduits at the two sides of the base body are provided with threads. The outer sealing mechanism comprises an outer sealing plug, and an outer fastener matched with the threads of the inlet and outlet optical cable conduit at the outer side of the base. The inner sealing mechanism comprises an inner sealing plug, and an inner fastener matched with the threads of the inlet and outlet optical cable conduit at the inner side of the base. According to the optical fiber joint box provided by the invention, sealing between an optical cable and the base is realized by the sealing mechanisms, the traditional mode of heat shrinkable sealing by a heat shrinkable sleeve is replaced, optical cable installation is made simple and convenient, and the occurrence of improper installation caused by human factors in the installation process is reduced.
Description
Technical field
The present invention relates to optical cable installing area, particularly relate to a kind of dual seal cable splice closure.
Background technology
Cable splice closure is for providing optics, sealing and physical strength the successional protective device that continues between adjacent optical cable during a kind of optical cable is installed; or title optical cable connecting box, it is mainly applicable to the straight-through of system of laying such as built on stilts, pipeline, the direct-burried of various structure optical cable and is connected with branch.The base of cable splice closure is provided with wire inlet/outlet hole, wire inlet/outlet hole is cylindrical shroud bore, optical cable needs when passing in and out the base of cable splice closure to realize passing in and out the sealing between optical cable and base by heat-shrinkable T bush, thus need by a large amount of hot melting equipment, it is poor that this encapsulating method can cause sealing rear effect, further, seal construction operation and the later maintenance after having sealed all comparatively inconvenience.Meanwhile, adopt above-mentioned traditional sealing means, also can there is following defect: one, by the sealing chemical material factors of instability, cause the heat-shrinkable T bush fusing when high temperature to be flowed out thus make connector box gas leakage water inlet; Two, be subject to the factor of weather, particularly under the arctic weather condition of northern pole, hot melting temperature cannot be reached and carry out pyrocondensation sealing; Three, pyrocondensation sealing is the high technical profession of a technical requirement, current this kind of technician's famine.Four, when artificial extremely shortage now, the single cable splice closure running time is long.Five, the dependency degree of existing cable splice closure to instrument is higher, and during urgent construction, problem also needs specific purpose tool.
Summary of the invention
In view of this, the invention provides a kind of dual seal cable splice closure, the sealing between optical cable and base is realized by sealing mechanism, instead of traditional heat-shrinkable T bush that utilizes and realize the mode of pyrocondensation sealing, thus make optical cable installation operation simple and easy convenient, and then reduce the generation because of the Rig up error situation of human factor generation in installation process.
Dual seal cable splice closure provided by the invention comprises base, box body, fiber storage tray, described fiber storage tray is fixed on described base by the first fixed mechanism, described box body is fixed on described base by the second fixed mechanism, described fiber storage tray and the first fixed mechanism are positioned at the space of described base and box body formation, described base comprises pedestal, run through pedestal and extend to the turnover cable tube of pedestal both sides and outer side seal mechanism and inner seal mechanism, and the turnover cable tube outer wall of described pedestal both sides is provided with screw thread; Described outer side seal mechanism comprises outer side seal plug, and the outside securing member matched with the screw thread of the turnover cable tube being positioned at chassis outer side; Described inner seal mechanism comprises inner seal plug, and the outside securing member matched with the screw thread of the turnover cable tube be positioned at inside base.
Described base comprises multiple turnover cable tube.
Described turnover cable tube and described pedestal one-body molded.
Described sealing mechanism also comprises compressing member and/or pad.
Described sealing mechanism also comprises the sheath be set on turnover cable tube.
The internal diameter mouth of described turnover cable tube is provided with detent, and the external diameter mouth of described seal plug is provided with the positioning convex fastened with described detent.
Described first fixed mechanism comprises substrate, triangular prism is on the substrate set, and the support be arranged on described base, the upper edge place of described triangular prism is provided with fixed station, described fixed station is used for fixing described fiber storage tray, described substrate is also provided with multiple fixed orifice, described fixed orifice is corresponding with described hollow stent and connected by nut, for realizing fixing of described substrate and described base, described substrate is provided with the groove of accommodating optical cable, in described groove, is provided with wire clamp.
Described second fixed mechanism comprises left anchor ear, right anchor ear and O-ring seal.
The card of described fiber storage tray is provided with winding mechanism, wire binding mechanism, trying to get to the heart of a matter of described fiber storage tray is provided with entrance hole, and described fixed station is provided with the hole corresponding with described entrance hole, to ensure the turnover of optical cable.
Described connector box also comprises the fine dish group of the appearance be buckled in described fiber storage tray, and the fine dish group of described appearance comprises the appearance fibre dish of multiple mutual buckle.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the dual seal cable splice closure that Fig. 1 a-1b provides for one embodiment of the invention;
The structural representation of the base of the dual seal cable splice closure that Fig. 2 provides for Fig. 1 embodiment
The structural representation of the first fixed mechanism of the dual seal cable splice closure that Fig. 3 provides for Fig. 1 embodiment;
The structural representation of the second fixed mechanism of the dual seal cable splice closure that Fig. 4 a-4b provides for Fig. 1 embodiment;
The structural representation of the fiber storage tray of the dual seal cable splice closure that Fig. 5 provides for Fig. 1 embodiment.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear, complete description is carried out to the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
The structural representation of a kind of dual seal cable splice closure that Fig. 1 a-1b provides for one embodiment of the invention, wherein, Fig. 1 a is fiber storage tray 13, hold connector box structural representation when fine dish group 16 and the first fixed mechanism 14 are installed in described box body 12; In addition, in order to more clearly describe the structure being positioned at each parts of box body 12, now provide Fig. 1 b, Fig. 1 b is the connector box structural representation when omitting box body 12 and second fixed mechanism 15.Composition graphs 1a-1b is visible, a kind of dual seal cable splice closure 10 that one embodiment of the invention provides, comprise base 11, box body 12, fiber storage tray 13, described fiber storage tray 13 is fixed on described base 11 by the first fixed mechanism 14, described box body 12 to be fixed on described base 11 by the second fixed mechanism 15, and described fiber storage tray 13 and the first fixed mechanism 14 are positioned at the space that described base 11 and box body 12 are formed.Described connector box also comprises the fine dish group 16 of the appearance be buckled in described fiber storage tray 13, and described appearance fine dish group 16 comprises the appearance fibre dish 161 of multiple mutual buckle.
As shown in Figure 2, described base 11 comprises pedestal 111, run through pedestal 111 and extend to the turnover cable tube 112 of pedestal 111 both sides and outer side seal mechanism 113 and inner seal mechanism 114, and turnover cable tube 112 outer wall of described pedestal 111 both sides is provided with screw thread; Described outer side seal mechanism 113 comprises outer side seal plug 1131 and the outside securing member 1132, outside compressing member 1133, the outside pad 1134 that match with the screw thread of the turnover cable tube 112 be positioned at outside pedestal 111 and be set in the lateral sheathed 1135 passed in and out on cable tube 112; Inner side securing member 1142, inner side compressing member 1143, inboard washer 1144 that described inner seal mechanism 114 comprises inner seal plug 1141 and matches with the screw thread of the turnover cable tube 112 be positioned at inside pedestal 111.
Wherein, when penetrating without entry/exit optical cable, only described outer side seal plug 1131, outside compressing member 1133 and outside pad 1134 need be pushed in turn in turnover cable tube 112; When there being entry/exit optical cable to penetrate, need optical cable to be penetrated described outer side seal plug 1131, outside compressing member 1133 and outside pad 1134, then push together in turnover cable tube 112.Same, the use-pattern of inner seal plug 1141, inner side compressing member 1143 and inboard washer 1144 and the similar of described outer side seal plug 1131, outside compressing member 1133 and outside pad 1134.
Gap is there is not in order to ensure between optical cable and fiber cable joint box base 11, need the internal diameter close fit making the diameter of optical cable and described outer side seal plug 1131 and inner seal plug 1141, usually by impelling the rubber sleeve Light deformation of optical cable to realize fitting tightly of the internal diameter of optical cable and described seal plug 1131 internal diameter and inner seal plug 1141: when described seal plug is hollow circular cylinder, make its internal diameter be not more than the diameter of optical cable, be usually slightly less than the diameter of optical cable; When described seal plug is hollow round table body, make its minimum diameter be not more than the diameter of optical cable, usually make its minimum diameter be slightly less than the diameter of optical cable.Adopt the seal plug of hollow round table body design, penetrating of optical cable can be facilitated.Usually, the outside dimension of described seal plug needs to make seal plug can just be entrapped in the pipe of described turnover cable tube 112: when described seal plug is hollow circular cylinder, makes its external diameter be slightly less than the internal diameter of turnover cable tube 112; When described seal plug is hollow round table body, its maximum outside diameter is made to be slightly less than the internal diameter of turnover cable tube 112.
The outside securing member 1132 of the fiber cable joint box base 11 of the present embodiment and the inwall of inner side securing member 1142 are provided with internal thread, and one end of described outside securing member 1132 and inner side securing member 1142 is provided with end cap, described end cap is provided with the hole passed for optical cable, the diameter of described hole is less than external diameter or the minimum outer diameter (when adopting the seal plug of hollow round table body) of the seal plug matched.Described securing member is by matching with the screw thread on described turnover cable tube 112 outer wall, thus the operation being rotated down and being screwed into can be completed, and then promotion seal plug moves in the body of turnover cable tube 112, and guarantee that seal plug is positioned at the body of turnover cable tube 112 all the time.Described outside compressing member 1133 and outside pad 1134 outside securing member 1132 be rotated down be screwed into time, play the effect that outer side seal plug 1131 is compressed.Same, described inner side compressing member 1143 and inboard washer 1144 inner side securing member 1142 be rotated down be screwed into time, play the effect that inner seal plug 1141 is compressed.The external diameter of described compressing member and pad should be greater than the diameter of the end cap hole matched.
Under normal circumstances, described base can be provided with multiple turnover cable tube 112 varied in size, and each turnover cable tube 112 and the outer side seal plug 1131, outside securing member 1132, outside compressing member 1133, outside pad 1134, inner seal plug 1141, inner side securing member 1142, inner side compressing member 1143 and the inboard washer 1144 that use with its collocation all should meet above-mentioned dimensional requirement.
Usually, in order to ensure sealing effectiveness, described turnover cable tube should be one-body molded with described pedestal.
After construction, by checking whether whether have gap to judge outside securing member 1132 between lateral sheathed 1135 and outside securing member 1132 tightens.
The internal diameter mouth being positioned at the turnover cable tube 112 of pedestal 111 both sides is provided with detent 1121, and the external diameter mouth of described outer side seal plug 1131 is provided with the positioning convex 11311 fastened with the detent 1121 be positioned at outside pedestal 111; The external diameter mouth of described inner seal plug 1141 is provided with the positioning convex 11411 fastened with the detent 1121 be positioned at inside pedestal 111.
For the present embodiment, when optical cable being accessed dual seal fiber cable joint box base, first outside securing member 1132, inner side securing member 1142 are rotated from turnover cable tube 112 and take off, then take out outside pad 1134, outside compressing member 1133, the outer side seal plug 1131 in turnover cable tube 112 successively, and take out inboard washer 1144 successively, inner side compressing member 1143, inner seal plug 1141, by inlet wire optical cable successively through the end cap hole of outside securing member 1132, outside pad 1134, outside compressing member 1133, after outer side seal plug 1131, penetrate from the external port of turnover cable tube 112 again, pass from inner port, then inlet wire optical cable inner port passed is successively through inner seal plug 1141, inner side compressing member 1143, the end cap hole of inboard washer 1144 and inner side securing member 1142, finally by pressing, screw outside securing member 1132 and inner side securing member 1142, by seal plug, compressing member, in pad press-in turnover cable tube 112, until no longer have gap between lateral sheathed 1135 and outside securing member 1132.
When optical cable is picked out in self sealss fiber cable joint box base, first outside securing member 1132 and inner side securing member 1142 are taken off from the rotation of turnover cable tube 112, then take out outside pad 1134, outside compressing member 1133, the outer side seal plug 1131 in turnover cable tube 112 successively, and take out inboard washer 1144, inner side compressing member 1143, inner seal plug 1141 successively, by outlet optical cable successively through the end cap hole of inner side securing member 1142, inboard washer 1144, inner side compressing member 1143, after inner seal plug 1141, pierce into from the inner port of turnover cable tube 112, pass from external port, then successively through outer side seal plug 1131, outside compressing member 1133, outside pad 1134, the end cap hole of outside securing member 1132, finally by pressing, screw outside securing member 1132, inner side securing member 1142, by seal plug, compressing member, in pad press-in turnover cable tube 112, until no longer have gap between lateral sheathed 1135 and outside securing member 1132.
Before pressing, screwing securing member, need first the positioning convex of seal plug to be fastened in the detent 1121 on described turnover cable tube 112 internal diameter mouth.
As shown in Figure 3, described first fixed mechanism 14 comprises clamp 141, be arranged on the triangular prism 142 on described clamp 141, and the hollow stent 144 be arranged on described base 11, the upper edge place of described triangular prism 142 is provided with fixed station 143, described fixed station 143 is for fixing described fiber storage tray 13, described clamp 141 is also provided with multiple fixed orifice 1411, described fixed orifice 1411 is corresponding with described hollow stent 144 and connected by nut, for realizing fixing of described clamp 141 and described base 11, described clamp 141 is provided with the draw-in groove 1412 for engaging described cable tube 112, wire clamp 1413 is provided with in described draw-in groove 1412.
As shown in Fig. 4 a-4b, described second fixed mechanism 15 comprises left anchor ear 151, right anchor ear 152 and O-ring seal 153.During use, take off O-ring seal 153, open left anchor ear 151, right anchor ear 152, the base 11 on box body 12 can be taken out.
As shown in Figure 5, the card of described fiber storage tray 13 is provided with winding mechanism 131, wire binding mechanism 132, trying to get to the heart of a matter of described fiber storage tray 13 is provided with entrance hole 133, and described fixed station 143 is provided with the hole corresponding with described entrance hole 133, to ensure the turnover of optical cable.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or equivalent replacement is carried out to wherein portion of techniques feature, and these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a dual seal cable splice closure, comprise base, box body, fiber storage tray, described fiber storage tray is fixed on described base by the first fixed mechanism, described box body is fixed on described base by the second fixed mechanism, described fiber storage tray and the first fixed mechanism are positioned at the space of described base and box body formation, it is characterized in that, described base comprises pedestal, run through pedestal and extend to the turnover cable tube of pedestal both sides and outer side seal mechanism and inner seal mechanism, and the turnover cable tube outer wall of described pedestal both sides is provided with screw thread; Described outer side seal mechanism comprises outer side seal plug, and the outside securing member matched with the screw thread of the turnover cable tube being positioned at chassis outer side; Described inner seal mechanism comprises inner seal plug, and the outside securing member matched with the screw thread of the turnover cable tube be positioned at inside base.
2. dual seal cable splice closure according to claim 1, is characterized in that, described base comprises multiple turnover cable tube.
3. dual seal cable splice closure according to claim 2, is characterized in that, described turnover cable tube and described pedestal one-body molded.
4. dual seal cable splice closure according to claim 3, is characterized in that, described sealing mechanism also comprises compressing member and/or pad.
5. dual seal cable splice closure according to claim 4, is characterized in that, described sealing mechanism also comprises the sheath be set on turnover cable tube.
6. dual seal cable splice closure according to claim 5, is characterized in that, the internal diameter mouth of described turnover cable tube is provided with detent, and the external diameter mouth of described seal plug is provided with the positioning convex fastened with described detent.
7. dual seal cable splice closure according to claim 6, it is characterized in that, described first fixed mechanism comprises substrate, triangular prism is on the substrate set, and the hollow stent be arranged on described base, the upper edge place of described triangular prism is provided with fixed station, described fixed station is used for fixing described fiber storage tray, described substrate is also provided with multiple fixed orifice, described fixed orifice is corresponding with described hollow stent and connected by nut, for realizing fixing of described substrate and described base, described substrate is provided with the groove of accommodating optical cable, wire clamp is provided with in described groove.
8. dual seal cable splice closure according to claim 7, is characterized in that, described second fixed mechanism comprises left anchor ear, right anchor ear and O-ring seal.
9. dual seal cable splice closure according to claim 8, it is characterized in that, the card of described fiber storage tray is provided with winding mechanism, wire binding mechanism, trying to get to the heart of a matter of described fiber storage tray is provided with entrance hole, described fixed station is provided with the hole corresponding with described entrance hole, to ensure the turnover of optical cable.
10. dual seal cable splice closure according to claim 9, is characterized in that, described connector box also comprises the fine dish group of the appearance be buckled in described fiber storage tray, and the fine dish group of described appearance comprises the appearance fibre dish of multiple mutual buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410653279.3A CN104765112A (en) | 2014-11-17 | 2014-11-17 | Double-sealing optical cable joint box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410653279.3A CN104765112A (en) | 2014-11-17 | 2014-11-17 | Double-sealing optical cable joint box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104765112A true CN104765112A (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410653279.3A Pending CN104765112A (en) | 2014-11-17 | 2014-11-17 | Double-sealing optical cable joint box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104765112A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918888A (en) * | 2017-05-02 | 2017-07-04 | 常州太平通讯科技有限公司 | For the port sealing device of cable splice closure |
| CN109343184A (en) * | 2018-10-24 | 2019-02-15 | 中国电力科学研究院有限公司 | An optical cable junction box |
| CN113608310A (en) * | 2021-08-27 | 2021-11-05 | 国网浙江省电力有限公司信息通信分公司 | splice box |
| EP4427082A4 (en) * | 2021-11-01 | 2025-08-27 | Commscope Technologies Llc | FIBERGLASS HOUSING WITH FIBER TUBES SEALED OUTSIDE THE HOUSING |
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| CN201229426Y (en) * | 2008-07-23 | 2009-04-29 | 茹志康 | Optical fiber composite overhead ground wire optical cable coupling box |
| CN102841421A (en) * | 2012-09-05 | 2012-12-26 | 宁波余大通信技术有限公司 | Vertical well cable connector box |
| US20130077928A1 (en) * | 2010-03-03 | 2013-03-28 | Yu-Fen Chi | Wire connection and distribution casing with connecting part, hollow pipe columns and connected part for communication cables |
| CN104133276A (en) * | 2014-07-04 | 2014-11-05 | 宁波余大通信技术有限公司 | Cylindrical optical-cable fiber distribution box |
| CN204229022U (en) * | 2014-11-17 | 2015-03-25 | 宁波余大通信技术有限公司 | Dual seal cable splice closure |
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2014
- 2014-11-17 CN CN201410653279.3A patent/CN104765112A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201229426Y (en) * | 2008-07-23 | 2009-04-29 | 茹志康 | Optical fiber composite overhead ground wire optical cable coupling box |
| US20130077928A1 (en) * | 2010-03-03 | 2013-03-28 | Yu-Fen Chi | Wire connection and distribution casing with connecting part, hollow pipe columns and connected part for communication cables |
| CN102841421A (en) * | 2012-09-05 | 2012-12-26 | 宁波余大通信技术有限公司 | Vertical well cable connector box |
| CN104133276A (en) * | 2014-07-04 | 2014-11-05 | 宁波余大通信技术有限公司 | Cylindrical optical-cable fiber distribution box |
| CN204229022U (en) * | 2014-11-17 | 2015-03-25 | 宁波余大通信技术有限公司 | Dual seal cable splice closure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918888A (en) * | 2017-05-02 | 2017-07-04 | 常州太平通讯科技有限公司 | For the port sealing device of cable splice closure |
| CN106918888B (en) * | 2017-05-02 | 2023-05-16 | 常州太平通讯科技有限公司 | Port sealing device for optical cable joint box |
| CN109343184A (en) * | 2018-10-24 | 2019-02-15 | 中国电力科学研究院有限公司 | An optical cable junction box |
| CN109343184B (en) * | 2018-10-24 | 2022-04-29 | 中国电力科学研究院有限公司 | An optical cable junction box |
| CN113608310A (en) * | 2021-08-27 | 2021-11-05 | 国网浙江省电力有限公司信息通信分公司 | splice box |
| EP4427082A4 (en) * | 2021-11-01 | 2025-08-27 | Commscope Technologies Llc | FIBERGLASS HOUSING WITH FIBER TUBES SEALED OUTSIDE THE HOUSING |
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Application publication date: 20150708 |