GB2522343A - Connecting device for a cable housing arrangement - Google Patents

Connecting device for a cable housing arrangement Download PDF

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Publication number
GB2522343A
GB2522343A GB1500613.3A GB201500613A GB2522343A GB 2522343 A GB2522343 A GB 2522343A GB 201500613 A GB201500613 A GB 201500613A GB 2522343 A GB2522343 A GB 2522343A
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GB
United Kingdom
Prior art keywords
arrangement
cable housing
holding
connecting device
communication
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.)
Granted
Application number
GB1500613.3A
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GB2522343B (en
GB201500613D0 (en
Inventor
David Hawkins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eden Ltd
Original Assignee
Eden Ltd
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Filing date
Publication date
Application filed by Eden Ltd filed Critical Eden Ltd
Publication of GB201500613D0 publication Critical patent/GB201500613D0/en
Publication of GB2522343A publication Critical patent/GB2522343A/en
Application granted granted Critical
Publication of GB2522343B publication Critical patent/GB2522343B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B6/4459—Ducts; Conduits; Hollow tubes for air blown fibres
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

A connecting device 10 for connecting an article to a cable housing arrangement (12, fig 2), where the cable housing arrangement may be a coaxial fibre optic cable and has an inner cable housing (14, fig 2) and an outer cable housing (16, fig 2). The connecting device comprises a body 18 defining a main conduit 24 to receive the cable housing arrangement, a first holding arrangement 34 for holding the inner cable housing, and a second holding arrangement 50 for holding the outer cable housing. The connecting device may also have a communication conduit 26 with a through aperture 32 for the cable that may be a fibre optic cable. The first holding arrangement may have a first collet 36 with a radially outwardly extending flange 40 and a first sealing o-ring member 47. The second holding arrangement may have a second collet and a second sealing o-ring member 56.

Description

Connecting Device for a Cable Housing Arrangement This invention relates to connecting devices for cable housing arrangements. More particularly, but not exclusively, this invention relates to connecting devices for connecting two cable housing arrangements to each other.
Fibre optic cables can be housed within coaxial cable housing arrangements. The coaxial cable housing arrangement comprises an inner cable housing, in which the fibre optic cable is held, and an outer cable housing surrounding the inner cable housing. The outer cable housing provides protection, strength and rigidity to the overall cable housing arrangement. When installing fibre optic cables, the cable housing arrangements often need to be connected to one another to ensure there is sufficient length of cable. Known connecting devices do not adequately connect the cable housing arrangements to one another.
According to one aspect of this invention, there is provided a connecting device for connecting an article to a cable housing arrangement comprising inner and outer cable housings, wherein the connecting device comprises a body defining a main conduit to receive the cable housing arrangement, a first holding arrangement for holding the inner cable housing, and a second holding arrangement for holding the outer cable housing.
According to another aspect of this invention, there is provided a method of connecting an article to a cable housing arrangement comprising inner and outer cable housings, wherein the method comprises providing a connecting device as described above, cutting a pre-determined length of an end region of the outer cable housing and removing said pre-determined length from the inner cable housing to provide an exposed end region of the inner cable housing, disposing the cable housing arrangement into the main conduit of the connecting device so that the inner cable housing is held by the first holding arrangement and the outer cable housing is secured by the second holding arrangement.
I
The connecting device may further include communication arrangement to provide communication from the cable housing arrangement to the article. The communication arrangement may define a communication conduit for receiving a portion of the inner cable housing. The communication arrangement may define a communication aperture to provide the communication from the cable housing arrangement to the article. Thus, in one embodiment, the cable housed by the cable housing arrangement can extend from the cable housing arrangement through the communication arrangement to the article.
The connecting device may comprise a spacing arrangement to maintain the end of the outer cable housing spaced from an end of the inner cable housing. The spacing arrangement may be mountable on the inner cable housing.
The step of cutting the pre-determined length of the end region of the outer cable housing and removing said pre-determined length may comprise providing a cut end of the outer cable housing and mounting the spacing arrangement on the inner cable housing. The spacing arrangement may be mounted on the inner cable housing in abutment with the cut end of the outer cable housing.
Desirably, the spacing arrangement is mountable on the inner cable housing at a pre-determined distance from the end of the inner cable housing. The cut end of the outer cable housing may abut against the spacing arrangement.
The spacing arrangement may comprise a main portion for securing the spacing arrangement to the inner cable housing, thereby preventing the spacing arrangement moving along the aforesaid end region of the inner cable housing towards the end thereof.
A cutting assembly may be provided to cut said pre-determined length of the outer cable housing from the inner cable housing to provide the exposed end region of the inner cable housing.
The body may define an opening. The main conduit may extend from the opening to the communication arrangement. The first holding arrangement may be provided in the main conduit adjacent the communication arrangement. The second holding arrangement may be provided within the main conduit adjacent the opening.
The first holding arrangement may be disposed adjacent the communication arrangement. In one embodiment, the first holding arrangement may comprise a collet. The first holding arrangement may further include a first sealing member, such as an 0' ring, to seal the inner cable housing to the body. The first sealing member may be disposed adjacent the communication arrangement.
The first collet may comprise a main part for receiving the inner cable housing therethrough. The main part may engage the inner cable housing. The first collet may comprise a radially outwardly extending flange portion. The flange portion may extend circumferentially around the main part of the first collet. In use, the spacing arrangement may engage the first flange portion.
The second holding arrangement may be disposed adjacent the opening. The second holding arrangement may comprise a second collet. The second collet may be configured to receive the cable housing arrangement therethrough, and may be configured to engage the outer cable housing.
The second holding arrangement may comprise a gripping device, for example at least one grab ring, for gripping the outer cable housing. The gripping device may comprise formations to secure the gripping device to the second collet, thereby securing the cable housing arrangement to the connecting device. The second holding arrangement may comprise a second sealing member, such as a second 0' ring to seal the outer cable housing to the body. The second sealing member may be disposed between the second collet and the gripping device.
The first holding arrangement may be arranged inwardly of the second holding arrangement. The first holding arrangement may be arranged radially inwardly of the second holding arrangement. The first holding arrangement may be an inner holding arrangement. The second holding arrangement may be an outer holding arrangement.
The first holding arrangement may have a circular end profile. The second holding arrangement may have a circular end profile.
In one embodiment, the body comprises two end regions, each defining a respective main conduit. In this embodiment, the connecting device may comprise two of the first and second holding arrangements. a respective one of the first holding arrangements and a respective one of the second holding arrangements may be provided in each of the two main conduits. In this embodiment, the connecting device is configured to connect two of the aforesaid cable housing arrangements to one another in axial alignment.
In this embodiment, the communication arrangement may be provided between the two main conduits to provide communication between the two main conduits. An aperture may be defined in the communication arrangement to provide the aforesaid communication between the two main conduits.
An embodiment of the invention will now be described by way of example only, with reference to the accompanying drawings, in which: Figure 1 is a sectional side view of a connecting device for a cable housing arrangement; Figure 2 shows an end region of the cable housing arrangement for use with the connecting device shown in Figure 1.
Figure 1 shows a connecting device 10 for connecting two cable housing arrangements 12 to each other in axial alignment. Each of the cable housing arrangements 12 comprises an inner cable housing 14 and an outer cable housing 16. An end portion of the cable housing arrangement 12 is shown in Figure 2. The connecting device 10 comprises a body 18 having opposite first and second end regions 20, 22. Each end region 20, 22 defines a main conduit 24 therethrough. A communication arrangement 26 is provided between the two main conduits 24.
The communication arrangement 26 defines two aligned communication conduits 28A, 28B for receiving the inner cable housings 14. A radially inwardly extending flange portion 30 is provided between the two communication conduits 28A, 28B and defines a through aperture 32 to provide communication between the two main conduits 24.
The ends of the two inner cable housings 14 abut against the inwardly extending flange member 30. The through aperture 32 allows a fibre optic cable extending through the inner cable housings 14 to extend from the inner cable housing 14 in the main conduit 24 of the first end region 20 to the inner cable housing 14 in the main conduit 24 of the second end region 22.
A first holding arrangement 34 is provided within each main conduit 24 adjacent the communication arrangement 26. The first holding arrangement 34 comprises a first collet 36 defining a through bore 38 for receiving the inner cable housing 14, and a radially outwardly extending flange portion 40 to engage a first shoulder 42 of the main conduit 24.
An 0' ring 47 is provided between the first collet 36 and the communication arrangement 26 to seal the inner cable housing to the body 18. Interference formations 46 secure the first collet 36 to the body 18.
Each of the first and second end regions 20, 22 has an opening 48 to provide access to the respective main conduits. The cable housing arrangements 12 can be inserted through the openings 48 into the respective main conduits 24.
A second holding arrangement 50 comprises a second collet 52 disposed adjacent the opening 48. The second collet 52 defines a through bore 54 through which the cable housing arrangement 12 can extend. The second collet 52 engages the outer cable housing 16. The second collet 52 engages the outer cable housing 16. An 0' ring 56 is provided adjacent the second collet 52 to seal the outer cable housing 16 to the body 18.
The second holding arrangement 50 comprises a gripping device 60, in the form of grab rings, to secure the cable housing arrangement 12 to the second holding arrangement 50 and, thereby to the connecting device 10.
A cutting device (not shown) is provided for cutting and removing an end portion of the outer cable housing 16 away from an end region 68 of the inner cable housing 14. Thus, the end region 68 of the inner cable housing 14 is left exposed. The cutting device leaves a cut end 70 of the outer cable housing 16, whereby the inner cable housing 14 has an end 72 spaced from the cut end 70 of the outer cable housing 16. A spacing arrangement 62 is provided to maintain the cut end 70 of the outer cable housing 16 spaced from the end 72 of the inner cable housing 14. The spacing arrangement 62 comprises a main portion 64 and a securing arrangement (not shown) within the main portion 64. The securing arrangement is provided to secure the spacing arrangement 62 to the inner cable housing 14. The securing arrangement comprises a grab ring. An end cap 66 is provided on the main portion 64 to hold the securing arrangement within the main portion 64.
The length of end portion of the outer cable housing 16 removed by the cutting device is pre-determined to be at least the distance to allow the inner cable housing 14 to be received within the communication conduit 28A or 28B.
The spacing arrangement 62 on the inner cable housing 14 is arranged in abutment with the cut end 70 of the outer cable housing 16. In this position of the spacing arrangement 62, the length of the end region 68 of the inner cable housing 14 extending from the spacing arrangement 62 is sufficient to be received in the communication conduit 28A or 28B to abut against the radially inwardly extending flange portion 30 in the communication arrangement 26.
The outer cable housing 16 is received through the second holding arrangement 50 so that the spacing arrangement 62 abuts against the flange member 40 of the first C) collet 36. Thus, the inner cable housing 14 is received within the communication conduit 25A or 28B and held by the first securing arrangement 34. The outer cable housing 16 is received in the main conduit 24 and is secured therein by the second holding arrangement 50.
There is thus described a connecting device 10 for connecting two cable housing arrangements 12 to each other in axial alignment. The connecting device 10 holds both of the inner cable housing 14 and the outer cable housing 16 sufficiently securely to ensure that any danger of damage to the fibre optic cable eventually held therein is significantly reduced.
Various modifications can be made without departing from the scope of the invention.

Claims (38)

  1. Claims 1. A connecting device for connecting an article to a cable housing arrangement comprising inner and outer cable housings, wherein the connecting device comprises a body defining a main conduit to receive the cable housing arrangement, a first holding arrangement for holding the inner cable housing, and a second holding arrangement for holding the outer cable housing.
  2. 2. A connecting device according to claim 1, further including a communication arrangement to provide communication from the cable housing arrangement to the article, the communication arrangement defining a communication conduit for receiving a portion of the inner cable housing.
  3. 3. A connecting device according to claim 2, wherein the communication arrangement defines a communication aperture to provide the communication from the cable housing arrangement to the article, whereby the cable housed by the cable housing arrangement can extend from the cable housing arrangement through the communication arrangement to the article.
  4. 4. A connecting device according to claim 1, 2 or 3, comprising a spacing arrangement to maintain an end of the outer cable housing spaced from an end of the inner cable housing, the spacing arrangement may be mountable on the inner cable housing.
  5. 5. A connecting device according to claim 4, wherein the spacing arrangement is mountable on an end region of the inner cable housing at a pre-determined distance from said end of the inner cable housing.
  6. 6. A connecting device according to claim 5, wherein the spacing arrangement comprises a main portion for securing the spacing arrangement to the inner cable housing.
  7. 7. A connecting device according to any preceding claim, wherein the body defines an opening, the main conduit extending from the opening to the communication arrangement.
  8. 8. A connecting device according to claim 7, wherein the first holding arrangement is provided within the main conduit adjacent the communication arrangement, and wherein the second holding arrangement is provided within the main conduit adjacent the opening.
  9. 9. A connecting device according to claim 8, wherein the first holding arrangement comprises a first collet and a first sealing member to seal the inner cable housing to the body, and wherein the second holding arrangement comprises a second collet and a second sealing member to seal the outer cable housing to the body.
  10. 10. A connecting device according to claim 9, wherein the first sealing member is disposed adjacent the communication arrangement.
  11. 11. A connecting device according to any of claims 7 to 10, wherein the first holding arrangement comprises a main part for receiving the inner cable housing therethrough, and a radially outwardly extending flange portion, the flange portion extending circumferentially around the main part of the first holding arrangement.
  12. 12. A connecting device according to any of claims 7 to 11, wherein the second holding arrangement is disposed adjacent the opening, and the second holding arrangement is configured to receive the cable housing arrangement therethrough, and is configured to engage the outer cable housing.
  13. 13. A connecting device according to claim 12, wherein the second holding arrangement comprises a gripping device for gripping the outer cable housing, the gripping device comprising formations to secure the gripping device to the second holding arrangement, thereby securing the cable housing arrangement to the connecting device.
  14. 14. A connecting device according to claim 13 when dependent upon claim 9, wherein the second sealing member is disposed between the second collet and the gripping device.
  15. 15. A connecting device according to any preceding claim, wherein the body comprises two end regions, each defining a respective main conduit, and wherein the connecting device comprises two of each of the first and second holding arrangements, a respective one of the first holding arrangements and a respective one of the second holding arrangements being provided in each of the two main conduits.
  16. 16. A connecting device according to claim 15, wherein the communication arrangement is provided between the two main conduits to provide communication between the two main conduits, and wherein an aperture is defined in the communication arrangement to provide the aforesaid communication between the two main conduits.
  17. 17. A connecting device according to any preceding claim, wherein the first holding arrangement is arranged radially inwardly of the second holding arrangement.
  18. 18. A connecting device according to any preceding claim, wherein the first holding arrangement is an inner holding arrangement and the second holding arrangement is an outer holding arrangement.
  19. 19. A connecting device according to any preceding claim, wherein each of the first and second holding arrangements has a substantially circular end profile.
  20. 20. A method of connecting an article to a cable housing arrangement comprising inner and outer cable housings, wherein the method comprises providing a connecting device as claimed in claim 1, cutting a pre-determined length of an end region of the outer cable housing and removing said pre-determined length from the inner cable housing to provide an exposed end region of the inner cable housing, disposing the cable housing arrangement into the main conduit of the connecting device so that the inner cable housing is held by the first holding arrangement and the outer cable housing is secured by the second holding arrangement.
  21. 21. A method according to claim 20, wherein the connecting device further includes a communication arrangement to provide communication from the cable housing arrangement to the article, the communication arrangement defining a communication conduit, and the method includes receiving a portion of the inner cable housing in said conduit.
  22. 22. A method according to claim 20 or 21, comprising mounting a spacing arrangement on the inner cable housing to maintain the end of the outer cable housing spaced from an end of the inner cable housing.
  23. 23. A method according to claim 22, wherein the step of cutting said pre-determined length of the end region of the outer cable housing and removing said pre-determined length comprises providing a cut end of the outer cable housing and mounting the spacing arrangement on the inner cable housing, the spacing arrangement being mounted on the inner cable housing in abutment with the cut end of the outer cable housing.
  24. 24. A method according to claim 23, comprising mounting the spacing arrangement on the inner cable housing at a pre-determined distance from the end of the inner cable housing.
  25. 25. A method according to claim 24, comprising mounting the spacing arrangement on the inner cable housing so that the cut end of the outer cable housing abuts against the spacing arrangement.
  26. 26. A method according to any of claims 22 to 25, wherein the spacing arrangement comprises a main portion, and the method comprises securing the main portion to the inner cable housing.
  27. 27. A method according to any of claims 22 to 26, comprising providing a cutting assembly to cut said pre-determined length of the outer cable housing from the inner cable housing to provide the exposed end region of the inner cable housing.
  28. 28. A method according to any of claims 22 to 27, wherein the body defines an opening, and the main conduit extends from the opening to the communication arrangement, the method comprising disposing the first holding arrangement within the main conduit adjacent the communication arrangement, and the method further comprising disposing the second holding arrangement within the main conduit adjacent the opening.
  29. 29. A method according to claim 28, wherein the method comprises disposing the first holding arrangement adjacent the communication arrangement and disposing the second holding arrangement adjacent the opening.
  30. 30. A method according to claim 29, comprising providing a first sealing member to seal the inner cable housing to the body, and the method further comprises disposing the first sealing member adjacent the communication arrangement.
  31. 31. A method according to claim 30, wherein the first holding arrangement comprises a main portion and a radially outwardly extending flange portion, and the method comprises receiving the inner cable housing through the main portion in engagement with the main portion, and disposing the flange portion in engagement with the spacing arrangement.
  32. 32. A method according to claim 30 or 31, comprising receiving the cable housing arrangement through the second holding arrangement in engagement with the second outer cable housing.
  33. 33. A method according to claim 32, wherein the second holding arrangement comprises a gripping device, and the method comprises arranging the outer cable housing so that it is gripped by the gripping device.
  34. 34. A method according to claim 33, wherein the gripping device comprises formations to secure the gripping device to the second holding arrangement, thereby securing the cable housing arrangement to the connecting device.
  35. 35. A method according to claim 32, 33 or 34, wherein the second holding arrangement comprises a second sealing member to seal the outer cable housing to the body, and the method comprises disposing the second sealing member between the second holding arrangement and the gripping device.
  36. 36. A method according to any of claims 20 to 35, wherein the body comprises two end regions, each defining a respective main conduit, and the connecting device comprising two of each of the first and second holding arrangements, a respective one of the first holding arrangements and a respective one of the second holding arrangements being provided in each of the two main conduits, and the method comprises the connecting two of the aforesaid cable housing arrangements to one another in axial alignment.
  37. 37. A method according to claim 36, wherein the communication arrangement is provided between the two main conduits to provide communication between the two main conduits.
  38. 38. A method according to claim 36 or 37, wherein an aperture is defined in the communication arrangement to provide the aforesaid communication between the two main conduits.
GB1500613.3A 2014-01-15 2015-01-15 Connecting device for a cable housing arrangement Active GB2522343B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201400687A GB201400687D0 (en) 2014-01-15 2014-01-15 Connecting device for a cable housing arrangement

Publications (3)

Publication Number Publication Date
GB201500613D0 GB201500613D0 (en) 2015-03-04
GB2522343A true GB2522343A (en) 2015-07-22
GB2522343B GB2522343B (en) 2018-01-31

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GB201400687A Ceased GB201400687D0 (en) 2014-01-15 2014-01-15 Connecting device for a cable housing arrangement
GB1500613.3A Active GB2522343B (en) 2014-01-15 2015-01-15 Connecting device for a cable housing arrangement

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Application Number Title Priority Date Filing Date
GB201400687A Ceased GB201400687D0 (en) 2014-01-15 2014-01-15 Connecting device for a cable housing arrangement

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WO (1) WO2015107343A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5253315A (en) * 1990-12-24 1993-10-12 Fentress Vernon A Method and apparatus for installing a fiber optic cable by capture of a coupling nut or coupling nut assembly
US5287425A (en) * 1993-02-26 1994-02-15 Foxconn International, Inc. Optical fiber SC type connector assembly with partly pre-assembled components
US5668904A (en) * 1996-07-25 1997-09-16 Northwest Fiberoptic Technologies Inc. Fiber optic cable connector apparatus and method
GB2448935A (en) * 2007-05-04 2008-11-05 Miniflex Ltd Optical fibre connector
GB2483498A (en) * 2010-09-10 2012-03-14 Miniflex Ltd A water-resistant optical fibre connector with an elastomer sleeve providing both a water seal and a coupling force

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2227483B1 (en) * 1973-04-24 1975-08-22 Legris France Sa
GB2123504B (en) * 1982-07-08 1985-09-18 Smiths Industries Plc Conduit end fittings
US5208427A (en) * 1992-01-31 1993-05-04 Thomas & Betts Corporation Connector for terminating electrical cable assemblies of multiple configurations
AU2004297597A1 (en) * 2003-12-04 2005-06-23 Eaton Corporation Quick connect tube coupling
DE202005014138U1 (en) * 2005-09-07 2005-11-10 Anton Hummel Verwaltungs-Gmbh Cable gland set for fixing cables has two or more differently proportioned types of screwed cable glands for holding/fixing cables of different diameters
FR2920887B1 (en) * 2007-09-07 2009-11-20 Legris Sa DEVICE FOR CONNECTING END OF GUIDE TUBES AND PROTECTING A CABLE
GB201007171D0 (en) * 2010-04-30 2010-06-09 I3 Group Ltd Watertight cable connections

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5253315A (en) * 1990-12-24 1993-10-12 Fentress Vernon A Method and apparatus for installing a fiber optic cable by capture of a coupling nut or coupling nut assembly
US5287425A (en) * 1993-02-26 1994-02-15 Foxconn International, Inc. Optical fiber SC type connector assembly with partly pre-assembled components
US5668904A (en) * 1996-07-25 1997-09-16 Northwest Fiberoptic Technologies Inc. Fiber optic cable connector apparatus and method
GB2448935A (en) * 2007-05-04 2008-11-05 Miniflex Ltd Optical fibre connector
GB2483498A (en) * 2010-09-10 2012-03-14 Miniflex Ltd A water-resistant optical fibre connector with an elastomer sleeve providing both a water seal and a coupling force

Also Published As

Publication number Publication date
GB2522343B (en) 2018-01-31
GB201500613D0 (en) 2015-03-04
WO2015107343A1 (en) 2015-07-23
GB201400687D0 (en) 2014-03-05

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