WO2004088379A1 - Spleissschutz für lichtleiter mit einer trägerfolie und vorrichtung zum anbringen des spleissschutzes an den lichtleiter - Google Patents
Spleissschutz für lichtleiter mit einer trägerfolie und vorrichtung zum anbringen des spleissschutzes an den lichtleiter Download PDFInfo
- Publication number
- WO2004088379A1 WO2004088379A1 PCT/EP2004/002772 EP2004002772W WO2004088379A1 WO 2004088379 A1 WO2004088379 A1 WO 2004088379A1 EP 2004002772 W EP2004002772 W EP 2004002772W WO 2004088379 A1 WO2004088379 A1 WO 2004088379A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- splice protection
- light guide
- adhesive
- splice
- adhesive tapes
- Prior art date
Links
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
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2558—Reinforcement of splice joint
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
Definitions
- the invention relates to a splice protection for light guides with a carrier film and an adhesive layer attached thereon, which can be connected to the ends of the two uncoated individual light guides, and to a device for connecting the splice protection to the light guide.
- Such splice protection is e.g. made known by DE 4343944 A.
- the flexible splice protection then consists of a carrier film which has an adhesive layer on its inside and whose carrier film is reinforced by supporting threads.
- the pre-rolled sleeve-like splice protection can be pushed through a longitudinal slot on the ends of the light guide and then rolls due to
- the interior adhesive layer is activated by heating and glues both the splice protection with the optical waveguide and the overlapping parts of the outer surface.
- the application of the splice protector is so difficult that this process is difficult to automate.
- the invention has for its object to provide a splice protection that can be applied with a simple auxiliary device and with little manual effort.
- the spliced light guide can first be placed on a lower adhesive tape.
- the second adhesive tape is placed over it in a simple manner and glued to the lower carrier film by pressing.
- the flat adhesive tapes can be pulled off a supply roll and cut off.
- the supply rolls can be arranged on the auxiliary device in the vicinity of the splice, whereby the
- the pull-off direction can extend longitudinally or transversely to the light guide axis.
- thermoplastic adhesive layer according to claim 2 has the advantage that, when heated, it lies closely around the light guide and connects to it.
- the transparent adhesive tape according to claim 3 makes it possible to check the condition of the coated light guide at the splice.
- the light guide according to claim 4 heats and presses the two adhesive tapes together and with the light guides, so that a secure material connection is achieved.
- the recess according to claim 5 ensures that the light guide is kept free of immediate compressive forces, so that in particular the splice point remains relieved. Due to the supply rolls and the separating device according to claim 6, the handling during the completion of the splice protector is considerably simplified.
- the pressure bar When the pressure bar is open, you can first pull the adhesive tape to its place. Then the light guide is put on and the second adhesive tape is pulled over it.
- the separator can be operated before or after gluing.
- the cutting knife according to claim 7 act in the manner of a
- Figure 1 shows schematically an axial section through a device for producing a
- Figure 2 shows a section along the line II-II in Figure 1
- Figure 3 shows the parts of Figure 2 in a later processing phase.
- FIGS 1 and 2 show the splice protection and the uncoated light guide immediately before completion.
- a device 1 for producing the splice protection connection consists of a lower and an upper pressure beam 2, cutting knives 3 and holders 4 for supply rolls 5, which store adhesive tapes 6.
- the lower adhesive tape 6 is pulled off the lower supply roll 5 and placed on the lower pressure bar 2.
- the rolling direction of the adhesive tapes 6 is parallel to the longitudinal direction of the light guide here oriented, but can also be perpendicular to these. In this case, the cutting knives are outside the light guide, which cannot be injured.
- a spliced light guide 7 is placed on the lower adhesive tape 6.
- the upper adhesive tape 6 is pulled off the upper supply roll 5 and pulled over the lower adhesive tape 6 and the light guide 7.
- the upper clamping bar is located at a distance above the upper adhesive tape 6.
- the adhesive tapes 6 consist of a carrier film 8 and a thermoplastic adhesive layer 9, the adhesive layers 9 of the two adhesive tapes 6 facing the light guide.
- the pressure bars 2 have groove-like clearances 10 in the overlap region of the light guide 7.
- the cutting knives are attached on the side of the pressure bars 2 facing the supply rolls 5 so as to protrude.
- At least one of the two pressure bars 2 is provided with a heating device 11, by means of which the contact surface of the pressure bars 2 with the adhesive tapes 6 can be heated to such an extent that the thermoplastic adhesive layer 9 softens.
- the heated upper pressure bar 2 has already been lowered and pressed onto the upper adhesive tape 6 according to the vertical movement arrow in FIG. 1.
- the adhesive layer 9 softens so that the pressure bars are compressed even further.
- the light guide 7 presses into the adhesive layer 1 and is thus completely enclosed. A tight material connection is created between the two adhesive layers 9 with one another and between the adhesive layers 9 and the light guide 7.
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Adhesive Tapes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10314843.4 | 2003-04-01 | ||
DE10314843 | 2003-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004088379A1 true WO2004088379A1 (de) | 2004-10-14 |
Family
ID=33103160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/002772 WO2004088379A1 (de) | 2003-04-01 | 2004-03-17 | Spleissschutz für lichtleiter mit einer trägerfolie und vorrichtung zum anbringen des spleissschutzes an den lichtleiter |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2004088379A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020061452A1 (en) | 2018-09-20 | 2020-03-26 | Commscope Technologies Llc | Laminate splice protector |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57204506A (en) * | 1981-06-12 | 1982-12-15 | Nippon Telegr & Teleph Corp <Ntt> | Reinforcing method for connection part of optical fiber core |
JPS6281608A (ja) * | 1985-10-05 | 1987-04-15 | Nippon Telegr & Teleph Corp <Ntt> | 線材接続部補強板の加熱圧縮機構 |
DE4343944A1 (de) * | 1993-12-22 | 1995-06-29 | Siemens Ag | Flexibler Spleißschutz für Lichtwellenleiter |
JPH0980279A (ja) * | 1995-09-08 | 1997-03-28 | Sumitomo Electric Ind Ltd | テープ型光ファイバケーブル |
JPH11326677A (ja) * | 1998-05-16 | 1999-11-26 | Fujikura Ltd | 光ファイバ接続部の補強方法 |
US6190057B1 (en) * | 1997-08-25 | 2001-02-20 | Sumitomo Electric Industries, Ltd. | Optical fiber ribbon fusion splicing apparatus |
-
2004
- 2004-03-17 WO PCT/EP2004/002772 patent/WO2004088379A1/de active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57204506A (en) * | 1981-06-12 | 1982-12-15 | Nippon Telegr & Teleph Corp <Ntt> | Reinforcing method for connection part of optical fiber core |
JPS6281608A (ja) * | 1985-10-05 | 1987-04-15 | Nippon Telegr & Teleph Corp <Ntt> | 線材接続部補強板の加熱圧縮機構 |
DE4343944A1 (de) * | 1993-12-22 | 1995-06-29 | Siemens Ag | Flexibler Spleißschutz für Lichtwellenleiter |
JPH0980279A (ja) * | 1995-09-08 | 1997-03-28 | Sumitomo Electric Ind Ltd | テープ型光ファイバケーブル |
US6190057B1 (en) * | 1997-08-25 | 2001-02-20 | Sumitomo Electric Industries, Ltd. | Optical fiber ribbon fusion splicing apparatus |
JPH11326677A (ja) * | 1998-05-16 | 1999-11-26 | Fujikura Ltd | 光ファイバ接続部の補強方法 |
Non-Patent Citations (4)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 007, no. 057 (P - 181) 9 March 1983 (1983-03-09) * |
PATENT ABSTRACTS OF JAPAN vol. 011, no. 285 (P - 616) 16 September 1987 (1987-09-16) * |
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 07 31 July 1997 (1997-07-31) * |
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 02 29 February 2000 (2000-02-29) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020061452A1 (en) | 2018-09-20 | 2020-03-26 | Commscope Technologies Llc | Laminate splice protector |
US12066660B2 (en) | 2018-09-20 | 2024-08-20 | Commscope Technologies Llc | Laminate splice protector |
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