WO2011128813A1 - Optical fiber cable junction box - Google Patents

Optical fiber cable junction box Download PDF

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Publication number
WO2011128813A1
WO2011128813A1 PCT/IB2011/051484 IB2011051484W WO2011128813A1 WO 2011128813 A1 WO2011128813 A1 WO 2011128813A1 IB 2011051484 W IB2011051484 W IB 2011051484W WO 2011128813 A1 WO2011128813 A1 WO 2011128813A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
optical fiber
junction box
fiber cable
cable junction
Prior art date
Application number
PCT/IB2011/051484
Other languages
French (fr)
Inventor
Lujun Zhang
Original Assignee
Tyco Electronics (Shanghai) Co. Ltd.
Tyco Electronics Uk Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tyco Electronics (Shanghai) Co. Ltd., Tyco Electronics Uk Ltd filed Critical Tyco Electronics (Shanghai) Co. Ltd.
Priority to JP2013504367A priority Critical patent/JP5872542B2/en
Publication of WO2011128813A1 publication Critical patent/WO2011128813A1/en

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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
    • G02B6/4441—Boxes
    • G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
    • G02B6/4447—Cable boxes, e.g. splicing boxes with two or more multi fibre cables with divided shells

Definitions

  • the present invention relates to an optical fiber cable junction box, more particularly, relates to an optical fiber cable junction box with high water-tightness or air-tightness.
  • a conventional optical fiber cable junction box generally consists of an upper cover and a lower cover that can be closed together to constitute a whole box.
  • two rubber blocks are disposed at two end ports of the housing to seal the two end ports, respectively; and two rubber bars are respectively disposed at two edges extending in the length direction of the optical fiber cable junction box to seal the box as the upper and lower covers are ,mated with each other.
  • the upper and lower half covers are closed together, the two rubber blocks at two end ports and the two rubber bars at two engaging edges are compressed by the upper and lower covers, and ends of the two rubber bars are pressed against the circumferences of the two rubber blocks.
  • the conventional optical fiber cable junction box may be of water-tightness or air-tightness.
  • the present invention has been made to overcome or alleviate at least one aspect of the above mentioned disadvantages.
  • an object of the present invention to provide an optical fiber cable junction box which can effectively improve the water-tightness and the air-tightness.
  • an optical fiber cable junction box comprising: a housing consisting of a first housing and a second housing mated with each other; a pair of end seal blocks for sealing two end ports of the housing; and a pair of edge seal bars for sealing two edges extending in the length direction of the optical fiber cable junction box as the first housing is mated with the second housing.
  • a first gel layer is formed on at least part of the circumference of each of the pair of end seal blocks by injection molding.
  • the pair of edge seal bars each comprises a rubber bar and a second gel layer.
  • the second gel layer is formed on at least a portion of the rubber bar by injection molding to be tightly mated with the first gel layer of the end seal block.
  • the second gel layer is formed only on the bond portion of each end of the rubber bar mating with the end seal block.
  • at least one protrusion rib is formed on the bond portion of the rubber bar to be coated with the second gel layer
  • the protrusion rib surrounds the bond portion of the rubber bar in a ring shape.
  • At least one through hole is formed in the bond portion of the rubber bar to be bonded with the second gel layer coated on the bond portion.
  • the bond portion of the rubber bar is a depressed part that is lower than other parts of the rubber bar.
  • a longitudinal groove is formed in each mating edge of the first and second housings, when the first housing and the second housing are closed together, the pair of edge seal bars are embedded in longitudinal grooves of the first and second housings, respectively.
  • a ring socket is formed in each end portion of the first and second housings, when the first housing and the second housing are closed together, the pair of end seal blocks are embedded in ring sockets of the first and second housings, respectively.
  • the first and second housings are substantially symmetrical with each other, and a latch is formed on the first and second housings to lock them together.
  • the first and second gel layers both are made of a reusable gel material.
  • each of the pair of end seal blocks is formed with the first gel layer
  • the edge seal bars each is formed with the second gel layer to be bonded with the first gel layer of the end seal block. Since the first and second gel layers both are very soft and have good elasticity, the sealing performance between the end seal block and the edge seal barof the present invention is greatly improved as the first and second housings are closed together.
  • Fig.1 is an illustrative view of an optical fiber cable junction box according to an exemplary embodiment of the present invention
  • Fig.2 is a local enlarged view of the optical fiber cable junction box shown in Fig.l;
  • Fig.3 shows a edge seal baraccording to an exemplary embodiment of the present invention.
  • Fig.4 is a local enlarged view of the edge seal barshown in Fig.3.
  • Fig.1 is an illustrative view of an optical fiber cable junction box according to an exemplary embodiment of the present invention
  • Fig.2 is a local enlarged view of the optical fiber cable junction box shown in Fig.1.
  • the optical fiber cable junction box mainly comprises a first and a second housings 1 1, 12, a pair of end seal blocks 21 , 22, and a pair of edge seal bars 31 , 32.
  • the first housing 11 and the second housing 12 can be closed together to form a whole housing.
  • the first housing 11 and the second housing 12 are substantially symmetrical with each other, and a latch is formed on the first and second housings 11, 12 to lock them together.
  • the present invention is not limited to this, the first housing and the second housing may be not symmetrical with each other as soon as they can be mated together to form a whole housing defining a chamber therein.
  • the pair of end seal blocks 21, 22 are respectively disposed in two end ports of the housing, for sealing the two end ports of the housing.
  • the pair of edge seal bars 31, 32 are disposed in two edges extending in the length direction of the optical fiber cable junction box as the first housing 11 is mated with the second housing 12, for sealing the two edges between the first and second housings 11, 12.
  • each of the end seal blocks 21, 22 may mainly comprises a rubber block and a first gel layer formed on a circumference of the rubber block, for example, by injection molding.
  • Fig.3 shows a edge seal bar according to an exemplary embodiment of the present invention
  • Fig.4 is a local enlarged view of the edge seal barshown in Fig.3.
  • each of the edge seal bars 31, 32 mainly comprises a rubber bar 311, 321 and a second gel layer 312, 322 formed on at least a portion of the rubber bar 31 1, 321 to be tightly mated with the first gel layer of the end seal block 21, 22.
  • the second gel layer 312, 322 is formed on the rubber bar 311 , 321 by injection molding.
  • the second gel layer 312, 322 is formed on only a bond portion at each end of the rubber bar 311, 321 corresponding to the end seal block 21, 22. But please be noted that the present invention is not limited to this, the second gel layer 312, 322 may be formed on the whole rubber bar 311, 321.
  • the pair of end seal blocks 21, 22 in the two end ports and the pair of edge seal bars 31, 32 in the two edges are compressed by the first and second housings 11, 12, and the pair of edge seal bars 31, 32 are compressed on circumferences of the pair of end seal blocks 21, 22. In this way, it achieves water-tightness or air-tightness of the optical fiber cable junction box.
  • each of the pair of end seal blocks 21, 22 is formed with the first gel layer and the edge seal bars 31, 32 each is formed with the second gel layer to be bonded with the first gel layer of the end seal block 21, 22.
  • the first and second gel layers both are very soft and have good elasticity, as the first and second housings are closed together, the first gel layer of the end seal block 21, 22 can be tightly bonded with the second gel layer of the edge seal bar 31, 32. Accordingly, in the present invention, the sealing performance between the end seal block 21, 31 and the edge seal bar31, 32 can be greatly improved.
  • the first and second gel layers both are made of a reusable gel material. In this way, it can protect environment, save cost and material.
  • At least one protrusion rib 311a, 321a is formed on the bond portion of the rubber bar 311, 321 to be bonded with the second gel layer 312, 322 formed on the bond portion.
  • the bonding strength between the second gel layer 312, 322 and the rubber bar 311, 321 can be increased to prevent a relative movement of the second gel layer 312, 322 and the rubber bar 311, 321.
  • three protrusion ribs 311a, 321a are formed on the bond portion of the rubber bar 311, 321.
  • the present invention is not limited to this, there may be one, two, four or more protrusion ribs 31 1a, 321a formed on the bond portion of the rubber bar 311, 321.
  • the protrusion rib 311a, 321a surrounds the bond portion of the rubber bar 311, 321 in a ring shape.
  • the protrusion rib 31 la, 321a may be a web-shaped protrusion rib protruded outward from at least one part of the circumference of the rubber bar 311, 321.
  • At least one through hole 311b, 321b is formed in the bond portion of the rubber bar 311, 321 to be bonded with the second gel layer 312, 322 formed on the bond portion.
  • the bonding strength between the second gel layer 312, 322 and the rubber bar 311, 321 can be further increased to prevent a relative movement of the second gel layer 312, 322 and the rubber bar 311 , 321.
  • two through holes 311b, 321b are formed in the bond portion of the rubber bar 311, 321.
  • the present invention is not limited to this, there may be one, three, four or more through holes 311b, 321b formed in the bond portion of the rubber bar 311 , 321.
  • the bond portion of the rubber bar 311 , 321 where the second gel layer 312, 322 is formed is a depressed part that is lower than other parts of the rubber bar 311, 321.
  • the bonding strength between the second gel layer 312, 322 and the rubber bar 31 1, 321 can be further increased to prevent a relative movement of the second gel layer 312, 322 and the rubber bar 311, 321.
  • a longitudinal groove is formed in each lip of the first and second housings 11, 12. When the first housing 11 and the second housing 12 are closed together, the pair of edge seal bars 31, 32 are embedded in longitudinal grooves of the first and second housings 11, 12, respectively. In this way, it can further improve the air or water tightness between the first and second housings 11, 12.
  • a ring groove is formed in each end portion of the first and second housings 11, 12.
  • the pair of end seal blocks 21, 22 are embedded in ring grooves of the first and second housings 11, 12, respectively. In this way, it can further improve the air or water tightness between the first and second housings 11, 12.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Cable Accessories (AREA)

Abstract

The present invention discloses an optical fiber cable junction box, comprising: a housing consisting of a first housing and a second housing mated with each other; a pair of end seal blocks for sealing two end ports of the housing; and a pair of edge seal bars for sealing two edges extending in the length direction of the optical fiber cable junction box as the first housing is mated with the second housing. A first gel layer is formed on a circumference of each of the pair of end seal blocks by injection molding. The pair of edge seal bars each comprises a rubber bar and a second gel layer. The second gel layer is formed on at least a portion of the rubber bar by injection molding to be tightly mated with the first gel layer of the end seal block. In the present invention, since the first and second gel layers both are very soft and have good elasticity, the sealing performance between the end seal block and the edge seal bar is greatly improved as the first and second housings are closed together.

Description

OPTICAL FIBER CABLE JUNCTION BOX CROSS-REFERENCE TO RELATED APPLICATION
This application claims the benefit of Chinese Patent Application No. 201010153048.8 filed on April 16, 2010 in the State Intellectual Property Office of China, the whole disclosure of which is incorporated herein by reference.
BACKGROUND OF THE INVENTION
Field of the Invention
The present invention relates to an optical fiber cable junction box, more particularly, relates to an optical fiber cable junction box with high water-tightness or air-tightness.
Description of the Related Art
A conventional optical fiber cable junction box generally consists of an upper cover and a lower cover that can be closed together to constitute a whole box. In the conventional optical fiber cable junction box, two rubber blocks are disposed at two end ports of the housing to seal the two end ports, respectively; and two rubber bars are respectively disposed at two edges extending in the length direction of the optical fiber cable junction box to seal the box as the upper and lower covers are ,mated with each other. When the upper and lower half covers are closed together, the two rubber blocks at two end ports and the two rubber bars at two engaging edges are compressed by the upper and lower covers, and ends of the two rubber bars are pressed against the circumferences of the two rubber blocks. In this way, the conventional optical fiber cable junction box may be of water-tightness or air-tightness. However, because the rubber block and the rubber bar both are relative hard and have poor elasticity, the sealing performance between the rubber block and the rubber bar of the conventional optical fiber cable junction box is not desirable. Moreover, the rubber block and the rubber bar of the conventional optical fiber cable junction box can not be reused. Considering above disadvantages of the conventional optical fiber cable junction box, it needs to develop a new optical fiber cable junction box capable of overcoming or alleviating at least one aspect of the above mentioned disadvantages.
SUMMARY OF THE INVENTION
The present invention has been made to overcome or alleviate at least one aspect of the above mentioned disadvantages.
Accordingly, it is an object of the present invention to provide an optical fiber cable junction box which can effectively improve the water-tightness and the air-tightness.
Accordingly, it is another object of the present invention to provide an optical fiber cable junction box with reusable end seal blocks and reusable edge seal bars.
According to an aspect of the present invention, there is provided an optical fiber cable junction box, comprising: a housing consisting of a first housing and a second housing mated with each other; a pair of end seal blocks for sealing two end ports of the housing; and a pair of edge seal bars for sealing two edges extending in the length direction of the optical fiber cable junction box as the first housing is mated with the second housing. A first gel layer is formed on at least part of the circumference of each of the pair of end seal blocks by injection molding. The pair of edge seal bars each comprises a rubber bar and a second gel layer. The second gel layer is formed on at least a portion of the rubber bar by injection molding to be tightly mated with the first gel layer of the end seal block.
In an exemplary embodiment according to the present invention, the second gel layer is formed only on the bond portion of each end of the rubber bar mating with the end seal block. In another exemplary embodiment according to the present invention, at least one protrusion rib is formed on the bond portion of the rubber bar to be coated with the second gel layer In another exemplary embodiment according to the present invention, the protrusion rib surrounds the bond portion of the rubber bar in a ring shape.
In another exemplary embodiment according to the present invention, at least one through hole is formed in the bond portion of the rubber bar to be bonded with the second gel layer coated on the bond portion.
In another exemplary embodiment according to the present invention, the bond portion of the rubber bar is a depressed part that is lower than other parts of the rubber bar.
In another exemplary embodiment according to the present invention, a longitudinal groove is formed in each mating edge of the first and second housings, when the first housing and the second housing are closed together, the pair of edge seal bars are embedded in longitudinal grooves of the first and second housings, respectively.
In another exemplary embodiment according to the present invention, a ring socket is formed in each end portion of the first and second housings, when the first housing and the second housing are closed together, the pair of end seal blocks are embedded in ring sockets of the first and second housings, respectively.
In another exemplary embodiment according to the present invention, the first and second housings are substantially symmetrical with each other, and a latch is formed on the first and second housings to lock them together.
In another exemplary embodiment according to the present invention, the first and second gel layers both are made of a reusable gel material.
In various exemplary embodiments of the present invention, the circumference of each of the pair of end seal blocks is formed with the first gel layer, and the edge seal bars each is formed with the second gel layer to be bonded with the first gel layer of the end seal block. Since the first and second gel layers both are very soft and have good elasticity, the sealing performance between the end seal block and the edge seal barof the present invention is greatly improved as the first and second housings are closed together.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig.1 is an illustrative view of an optical fiber cable junction box according to an exemplary embodiment of the present invention;
Fig.2 is a local enlarged view of the optical fiber cable junction box shown in Fig.l;
Fig.3 shows a edge seal baraccording to an exemplary embodiment of the present invention; and
Fig.4 is a local enlarged view of the edge seal barshown in Fig.3.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE IVENTION
Exemplary embodiments of the present disclosure will be described hereinafter in detail with reference to the attached drawings, wherein the like reference numerals refer to the like elements. The present disclosure may, however, be embodied in many different forms and should not be construed as being limited to the embodiment set forth herein; rather, these embodiments are provided so that the present disclosure will be thorough and complete, and will fully convey the concept of the disclosure to those skilled in the art.
Fig.1 is an illustrative view of an optical fiber cable junction box according to an exemplary embodiment of the present invention; and Fig.2 is a local enlarged view of the optical fiber cable junction box shown in Fig.1.
As shown in Fig. l and Fig.2, in one exemplary embodiment of the present invention, the optical fiber cable junction box mainly comprises a first and a second housings 1 1, 12, a pair of end seal blocks 21 , 22, and a pair of edge seal bars 31 , 32.
Referring to Figs.1-2, the first housing 11 and the second housing 12 can be closed together to form a whole housing. In one exemplary embodiment of the present invention, the first housing 11 and the second housing 12 are substantially symmetrical with each other, and a latch is formed on the first and second housings 11, 12 to lock them together. But the present invention is not limited to this, the first housing and the second housing may be not symmetrical with each other as soon as they can be mated together to form a whole housing defining a chamber therein.
As shown in Figs.1-2, in one exemplary embodiment of the present invention, the pair of end seal blocks 21, 22 are respectively disposed in two end ports of the housing, for sealing the two end ports of the housing.
Referring to Figs.1-2 again, in one exemplary embodiment of the present invention, the pair of edge seal bars 31, 32 are disposed in two edges extending in the length direction of the optical fiber cable junction box as the first housing 11 is mated with the second housing 12, for sealing the two edges between the first and second housings 11, 12. With this configuration, when the first housing 11 is tightly mated with the second housing 12, the end seal blocks 21, 22 and the edge seal bars 31 , 32 are pressed by the housing, and become in contact with each other to further reliably seal the whole housing of the optical fiber cable junction box.
Although it is not shown, in one exemplary embodiment of the present invention, each of the end seal blocks 21, 22 may mainly comprises a rubber block and a first gel layer formed on a circumference of the rubber block, for example, by injection molding.
Fig.3 shows a edge seal bar according to an exemplary embodiment of the present invention; and Fig.4 is a local enlarged view of the edge seal barshown in Fig.3.
As shown in Fig.3 and Fig.4, in one exemplary embodiment of the present invention, each of the edge seal bars 31, 32 mainly comprises a rubber bar 311, 321 and a second gel layer 312, 322 formed on at least a portion of the rubber bar 31 1, 321 to be tightly mated with the first gel layer of the end seal block 21, 22. For example, the second gel layer 312, 322 is formed on the rubber bar 311 , 321 by injection molding.
Referring to Figs.3-4, in one exemplary embodiment of the present invention, the second gel layer 312, 322 is formed on only a bond portion at each end of the rubber bar 311, 321 corresponding to the end seal block 21, 22. But please be noted that the present invention is not limited to this, the second gel layer 312, 322 may be formed on the whole rubber bar 311, 321.
As shown in Figs.1-4, in the present invention, when the first and second housings 11, 12 are closed together, the pair of end seal blocks 21, 22 in the two end ports and the pair of edge seal bars 31, 32 in the two edges are compressed by the first and second housings 11, 12, and the pair of edge seal bars 31, 32 are compressed on circumferences of the pair of end seal blocks 21, 22. In this way, it achieves water-tightness or air-tightness of the optical fiber cable junction box.
Furthermore, in the present invention, the circumference of each of the pair of end seal blocks 21, 22 is formed with the first gel layer and the edge seal bars 31, 32 each is formed with the second gel layer to be bonded with the first gel layer of the end seal block 21, 22. In the present invention, because the first and second gel layers both are very soft and have good elasticity, as the first and second housings are closed together, the first gel layer of the end seal block 21, 22 can be tightly bonded with the second gel layer of the edge seal bar 31, 32. Accordingly, in the present invention, the sealing performance between the end seal block 21, 31 and the edge seal bar31, 32 can be greatly improved.
In one exemplary embodiment of the present invention, the first and second gel layers both are made of a reusable gel material. In this way, it can protect environment, save cost and material.
As shown in Fig.4, in one exemplary embodiment of the present invention, at least one protrusion rib 311a, 321a is formed on the bond portion of the rubber bar 311, 321 to be bonded with the second gel layer 312, 322 formed on the bond portion. In this way, the bonding strength between the second gel layer 312, 322 and the rubber bar 311, 321 can be increased to prevent a relative movement of the second gel layer 312, 322 and the rubber bar 311, 321.
In the exemplary embodiment shown in Fig.4, three protrusion ribs 311a, 321a are formed on the bond portion of the rubber bar 311, 321. However, please be noted that the present invention is not limited to this, there may be one, two, four or more protrusion ribs 31 1a, 321a formed on the bond portion of the rubber bar 311, 321.
Referring to Fig.4, in one exemplary embodiment of the present invention, the protrusion rib 311a, 321a surrounds the bond portion of the rubber bar 311, 321 in a ring shape. However, please be noted that the present invention is not limited to this, the protrusion rib 31 la, 321a may be a web-shaped protrusion rib protruded outward from at least one part of the circumference of the rubber bar 311, 321.
As shown in Fig.4, in one exemplary embodiment of the present invention, at least one through hole 311b, 321b is formed in the bond portion of the rubber bar 311, 321 to be bonded with the second gel layer 312, 322 formed on the bond portion. In this way, the bonding strength between the second gel layer 312, 322 and the rubber bar 311, 321 can be further increased to prevent a relative movement of the second gel layer 312, 322 and the rubber bar 311 , 321.
In the exemplary embodiment shown in Fig.4, two through holes 311b, 321b are formed in the bond portion of the rubber bar 311, 321. However, please be noted that the present invention is not limited to this, there may be one, three, four or more through holes 311b, 321b formed in the bond portion of the rubber bar 311 , 321.
As shown in Fig.4, in one exemplary embodiment of the present invention, the bond portion of the rubber bar 311 , 321 where the second gel layer 312, 322 is formed is a depressed part that is lower than other parts of the rubber bar 311, 321. In this way, the bonding strength between the second gel layer 312, 322 and the rubber bar 31 1, 321 can be further increased to prevent a relative movement of the second gel layer 312, 322 and the rubber bar 311, 321. Although it is not shown, in one exemplary embodiment of the present invention, a longitudinal groove is formed in each lip of the first and second housings 11, 12. When the first housing 11 and the second housing 12 are closed together, the pair of edge seal bars 31, 32 are embedded in longitudinal grooves of the first and second housings 11, 12, respectively. In this way, it can further improve the air or water tightness between the first and second housings 11, 12.
Although it is not shown, in one exemplary embodiment of the present invention, a ring groove is formed in each end portion of the first and second housings 11, 12. When the first housing 11 and the second housing 12 are closed together, the pair of end seal blocks 21, 22 are embedded in ring grooves of the first and second housings 11, 12, respectively. In this way, it can further improve the air or water tightness between the first and second housings 11, 12.
Although several exemplary embodiments have been shown and described, it would be appreciated by those skilled in the art that various changes or modifications may be made in these embodiments without departing from the principles and spirit of the disclosure, the scope of which is defined in the claims and their equivalents.

Claims

What is claimed is,
1. An optical fiber cable junction box, comprising:
a housing consisting of a first housing (11) and a second housing (12) that can be mated with each other;
a pair of end seal blocks (21, 22) for sealing two end ports of the housing; and
a pair of edge seal bars (31, 32) for sealing two edges extending in the length direction of the optical fiber cable junction box as the first housing (11) is mated with the second housing
(12),
wherein a first gel layer is formed on the circumference of each of the pair of end seal blocks (21, 22) by injection molding,
wherein the pair of edge seal bars (31, 32) each comprises:
a rubber bar (311, 321); and
a second gel layer (312, 322) formed on at least a portion of the rubber bar (311, 321) by injection molding to be tightly mated with the first gel layer of the end seal block (21, 22).
2. The optical fiber cable junction box according to claim 1, wherein
the second gel layer (312, 322) is formed on only a bond portion at each end of the rubber bar (311, 321) corresponding to the end seal block (21, 22).
3. The optical fiber cable junction box according to claim 2, wherein
at least one protrusion rib (311 a, 321 a) is formed on the bond portion of the rubber bar (311, 321) to be bonded with the second gel layer (312, 322) formed on the bond portion.
4. The optical fiber cable junction box according to claim 3, wherein
the protrusion rib (311a, 321a) surrounds the bond portion of the rubber bar (311, 321) in a ring shape.
5. The optical fiber cable junction box according to claim 2 or 3, wherein
at least one through hole (311b, 321b) is formed in the bond portion of the rubber bar (311, 321) to be bonded with the second gel layer (312, 322) formed on the bond portion.
6. The optical fiber cable junction box according to claim 2 or 3, wherein
the bond portion of the rubber bar (311, 321) is a depressed part that is lower than other parts of the rubber bar (311, 321).
7. The optical fiber cable junction box according to claim 1, wherein
a longitudinal groove is formed in each lip of the first and second housings (11, 12), when the first housing (11) and the second housing (12) are closed together, the pair of edge seal bars (31, 32) are embedded in longitudinal grooves of the first and second housings (11, 12), respectively.
8. The optical fiber cable junction box according to claim 1, wherein
a ring groove is formed in each end portion of the first and second housings (11, 12), when the first housing (11) and the second housing (12) are closed together, the pair of end seal blocks (21, 22) are embedded in ring grooves of the first and second housings (11, 12), respectively.
9. The optical fiber cable junction box according to claim 1, wherein
the first and second housings (11, 12) are substantially symmetrical with each other, and a latch is formed on the first and second housings (1 1, 12) to lock them together.
10. The optical fiber cable junction box according to claim 1, wherein the first and second gel layers both are made of a reusable gel material.
PCT/IB2011/051484 2010-04-16 2011-04-06 Optical fiber cable junction box WO2011128813A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013504367A JP5872542B2 (en) 2010-04-16 2011-04-06 Optical fiber cable and junction box

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010153048.8 2010-04-16
CN201010153048.8A CN102221735B (en) 2010-04-16 2010-04-16 Cable connector box

Publications (1)

Publication Number Publication Date
WO2011128813A1 true WO2011128813A1 (en) 2011-10-20

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CN (1) CN102221735B (en)
WO (1) WO2011128813A1 (en)

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CN104142548A (en) * 2014-05-09 2014-11-12 杭州华宏通信设备有限公司 Intelligent buoyancy waterproof optical cable cross-connecting box
CN111474653A (en) * 2020-05-25 2020-07-31 新三科技有限公司 Junction box for laying optical cable

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CN103995327B (en) * 2014-01-10 2017-01-11 杭州华宏通信设备有限公司 Optical cable splice box
WO2017167819A1 (en) * 2016-04-01 2017-10-05 CommScope Connectivity Belgium BVBA Multi-component seal and enclosure
CN106655031B (en) * 2017-01-18 2018-06-15 威立雅环保设备江苏有限公司 A kind of cable insulation rubber and plastic built-in fitting

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CN102221735A (en) 2011-10-19

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