JPH05224086A - Filling method of adhesive into ferrule - Google Patents
Filling method of adhesive into ferruleInfo
- Publication number
- JPH05224086A JPH05224086A JP2862692A JP2862692A JPH05224086A JP H05224086 A JPH05224086 A JP H05224086A JP 2862692 A JP2862692 A JP 2862692A JP 2862692 A JP2862692 A JP 2862692A JP H05224086 A JPH05224086 A JP H05224086A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- optical fiber
- ferrule
- hole
- filled
- 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
Links
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は光ファイバの接続に用い
るフェルール内に光ファイバを接着固定するための接着
剤充填方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adhesive filling method for adhesively fixing an optical fiber in a ferrule used for connecting optical fibers.
【０００２】[0002]
【従来技術】図３（ａ）は光コネクタフェルールの断面
図で、フェルール１の内部には光ファイバ芯線（φ９０
０μｍ）を挿通して接着保持する芯線孔２と、光ファイ
バ芯線の先端に露出された裸光ファイバ（φ１２５μ
ｍ）を挿通して接着保持する裸光ファイバ孔３が設けら
れている。2. Description of the Related Art FIG. 3 (a) is a sectional view of an optical connector ferrule.
0 μm) and the core wire hole 2 for adhesive holding, and the bare optical fiber (φ125 μ) exposed at the tip of the optical fiber core wire.
m) is provided, and a bare optical fiber hole 3 for adhering and holding the same is provided.
【０００３】図３（ｂ）はフェルール１の芯線孔２及び
裸光ファイバ孔３に光ファイバ芯線端部を挿通して接着
保持した状態の断面図で、フェルール１内に粘性を有す
る接着剤４を充填した状態で光ファイバ芯線５と裸光フ
ァイバ６を挿通して接着保持する。FIG. 3B is a sectional view showing a state in which the end portions of the optical fiber core wires are inserted and held in the core wire hole 2 and the bare optical fiber hole 3 of the ferrule 1, and the viscous adhesive 4 in the ferrule 1 is used. The optical fiber core wire 5 and the bare optical fiber 6 are inserted and held while being filled with.
【０００４】[0004]
【解決しようとする従来技術の課題】上記従来技術で使
用する接着剤は粘性を有するため、充填した接着剤に気
泡が混入する恐れがある。例えば、芯線孔の入り口から
接着剤を流し込むと接着剤はエアーを巻き込みながら充
填される。また接着剤を充填するスピードが高いほど気
泡の混入が多くなるので、ゆっくりと時間をかけて接着
剤の充填を行わなければならない。Since the adhesive used in the above-mentioned prior art is viscous, bubbles may be mixed in the filled adhesive. For example, when the adhesive is poured from the entrance of the core wire hole, the adhesive is filled while air is entrained. Further, the higher the speed at which the adhesive is filled, the more the air bubbles are mixed in, so it is necessary to slowly and slowly fill the adhesive.
【０００５】本発明の目的は上記課題を解決するために
短時間に行え、しかも極めて容易に気泡の混入を防止で
きるフェルールの接着剤充填方法を提供することであ
る。An object of the present invention is to provide a method for filling an adhesive agent for a ferrule, which can be accomplished in a short time in order to solve the above-mentioned problems, and which can prevent air bubbles from mixing in very easily.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
に本発明は、光ファイバ芯線を挿通して接着保持する芯
線孔２を一端から中間部まで設け、前記光ファイバ芯線
の先端に露出させた裸光ファイバを挿通して接着保持す
る裸光ファイバ孔３を前記芯線孔から連設して他端まで
設けた光コネクタフェルール１内に高粘性の接着剤４を
充填する方法において、先端に接着剤吐出口を設けたニ
ードル状の接着剤吐出手段７を上方に向け、前記フェル
ールの芯線孔２を被せた状態で吐出される高粘性の接着
剤４がフェルール１を上方に押し上げつつ芯線孔２内に
充填され、前記他端側から芯線孔２内に充填された接着
剤４を吸引して裸光ファイバ孔３内に充填するものであ
る。In order to solve the above-mentioned problems, the present invention provides a core wire hole 2 for inserting and holding an optical fiber core wire from one end to an intermediate portion and exposing it at the tip of the optical fiber core wire. In a method of filling a high-viscosity adhesive 4 in an optical connector ferrule 1 in which a bare optical fiber hole 3 for inserting and holding a bare optical fiber is continuously provided from the core hole and provided to the other end, The needle-shaped adhesive agent discharge means 7 provided with an adhesive agent discharge port is directed upward, and the highly viscous adhesive agent 4 discharged while covering the core wire hole 2 of the ferrule pushes the ferrule 1 upward, The adhesive 4 filled in the core wire hole 2 is sucked from the other end side and filled in the bare optical fiber hole 3.
【０００７】[0007]
【実施例】以下、図面により本発明の一実施例を説明す
る。図１及び図２は本発明の一実施例を説明するための
もので、図１（イ）〜（ト）は接着剤充填方法の工程
図、図２（ａ）（ｂ）は接着剤吐出手段の概略図であ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 and 2 are for explaining one embodiment of the present invention. FIGS. 1A to 1G are process diagrams of an adhesive filling method, and FIGS. 2A and 2B are adhesive discharge. FIG.
【０００８】図１（イ） 先端に接着剤が吐出される吐出口を有するニードル７を
上方に向けて、これにフェルール１を芯線孔２から被せ
る。ニードル７は裸光ファイバ孔３の近傍に達する。1A. A needle 7 having a discharge port for discharging an adhesive at its tip is directed upward, and a ferrule 1 is put on the needle 7 through a core hole 2. The needle 7 reaches the vicinity of the bare optical fiber hole 3.
【０００９】図１（ロ） ニードル７から粘度１，０００〜１０，０００ｃｐｓの
接着剤４の吐出を開始する。接着剤は高粘性のため裸光
ファイバ孔３には入り込まない。FIG. 1 (b) The discharge of the adhesive 4 having a viscosity of 1,000 to 10,000 cps is started from the needle 7. Since the adhesive has a high viscosity, it does not enter the bare optical fiber hole 3.
【００１０】図１（ハ）〜（ホ） 高粘性の接着剤４が吐出されると、軽量なフェルール１
は接着剤４に押し上げられていく。1 (c) to 1 (e) When the highly viscous adhesive 4 is discharged, the lightweight ferrule 1
Is pushed up by the adhesive 4.
【００１１】図１（ヘ） 芯線孔２内が接着剤４で満たされるとフェルール１はニ
ードル７から外れて傾くので、その時、フェルール１を
取り外す。FIG. 1 (f) When the core wire hole 2 is filled with the adhesive 4, the ferrule 1 comes off the needle 7 and tilts. At that time, the ferrule 1 is removed.
【００１２】図１（ト） 取り外したフェルール１を真空引き機８にセットして、
裸光ファイバ孔３から真空引きを行い、芯線孔２内に充
填されている接着剤４を吸引して充填する。裸光ファイ
バ孔３はφ３００μｍ以下の非常に細い孔なので、芯線
孔２内の接着剤４が不足することはない。FIG. 1 (g) Set the removed ferrule 1 on the vacuuming machine 8,
A vacuum is drawn from the bare optical fiber hole 3, and the adhesive 4 filled in the core wire hole 2 is sucked and filled. Since the bare optical fiber hole 3 is a very thin hole having a diameter of 300 μm or less, the adhesive 4 in the core hole 2 will not run short.
【００１３】また、図２（ａ）（ｂ）は上記ニードル７
を含む接着剤吐出手段のそれぞれ実施例で、（ａ）は注
射器方式、（ｂ）はデイスペンサー方式のもので、接着
剤４は完全に脱泡されて容器内に注入されている。2 (a) and 2 (b) show the needle 7 described above.
In each of the embodiments of the adhesive discharging means including the above, (a) is a syringe type and (b) is a dispenser type, and the adhesive 4 is completely defoamed and injected into the container.
【００１４】以上の実施例により接着剤を充填したフェ
ルールに光ファイバ芯線端部を挿入して接着保持したも
のを半割りして内部を調べたところ、気泡の混入が完全
に無いことが確認できた。また、接着剤の吐出量を多く
しても、気泡の混入する心配がないので、接着剤の充填
を極めて短時間で行うことができる。According to the above-mentioned embodiment, when the end of the optical fiber core wire was inserted into the ferrule filled with the adhesive and the adhesive was held, the inside was inspected and it was confirmed that air bubbles were not completely mixed. It was Further, even if the discharge amount of the adhesive is increased, there is no concern that air bubbles will be mixed in, so that the adhesive can be filled in an extremely short time.
【００１５】[0015]
【効果】上記の説明のように本発明のフェルールの接着
剤充填方法は、極めて短時間に、しかも極めて簡単な工
程で気泡の混入を完全に防止することができる。As described above, the method of filling the ferrule with the adhesive of the present invention can completely prevent air bubbles from entering in an extremely short time and in an extremely simple process.
【図１】（イ）〜（ト）は接着剤充填方法の工程図であ
る。1A to 1G are process diagrams of an adhesive filling method.
【図２】（ａ）（ｂ）は接着剤吐出手段のそれぞれ概略
図である。2 (a) and 2 (b) are schematic views of an adhesive discharging means, respectively.
【図３】（ａ）はフェルールの断面図、（ｂ）は光ファ
イバ芯線端末部を接着保持したフェルールの断面図であ
る。3A is a cross-sectional view of a ferrule, and FIG. 3B is a cross-sectional view of a ferrule in which an end portion of an optical fiber core wire is adhesively held.
１ フェルール ２ 芯線孔 ３ 裸光ファイバ孔 ４ 接着剤 ５ 光ファイバ芯線 ６ 裸光ファイバ ７ ニードル ８ 真空引き機 1 Ferrule 2 Core Wire Hole 3 Naked Optical Fiber Hole 4 Adhesive 5 Optical Fiber Core Wire 6 Naked Optical Fiber 7 Needle 8 Vacuuming Machine
Claims (1)
線孔を一端から中間部まで設け、前記光ファイバ芯線の
先端に露出させた裸光ファイバを挿通して接着保持する
裸光ファイバ孔を前記芯線孔から連設して他端まで設け
た光コネクタフェルール内に高粘性の接着剤を充填する
方法において、先端に接着剤吐出口を設けたニードル状
の接着剤吐出手段を上方に向け、前記フェルールの芯線
孔を被せた状態で吐出される高粘性の接着剤がフェルー
ルを上方に押し上げつつ芯線孔内に充填され、前記他端
側から芯線孔内に充填された接着剤を吸引して裸光ファ
イバ孔内に充填することを特徴とするフェルール内の接
着剤充填方法。1. A bare optical fiber hole for inserting and holding an optical fiber core wire is provided from one end to an intermediate portion, and a bare optical fiber exposed at the tip of the optical fiber core wire is inserted and held. In a method of filling a highly viscous adhesive in an optical connector ferrule continuously provided from the core hole and provided to the other end, a needle-shaped adhesive ejection means having an adhesive ejection port at the tip is directed upward, The high-viscosity adhesive discharged while covering the core wire hole of the ferrule is filled in the core wire hole while pushing the ferrule upward, and sucks the adhesive agent filled in the core wire hole from the other end side. A method for filling an adhesive agent in a ferrule, characterized by filling the hole in a bare optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2862692A JPH05224086A (en) | 1992-02-15 | 1992-02-15 | Filling method of adhesive into ferrule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2862692A JPH05224086A (en) | 1992-02-15 | 1992-02-15 | Filling method of adhesive into ferrule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05224086A true JPH05224086A (en) | 1993-09-03 |
Family
ID=12253769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2862692A Pending JPH05224086A (en) | 1992-02-15 | 1992-02-15 | Filling method of adhesive into ferrule |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05224086A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05342451A (en) * | 1992-06-11 | 1993-12-24 | Fujitsu Ltd | Automatic teller machine |
| WO2021193906A1 (en) * | 2020-03-27 | 2021-09-30 | 日東電工株式会社 | Optical connector |
-
1992
- 1992-02-15 JP JP2862692A patent/JPH05224086A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05342451A (en) * | 1992-06-11 | 1993-12-24 | Fujitsu Ltd | Automatic teller machine |
| WO2021193906A1 (en) * | 2020-03-27 | 2021-09-30 | 日東電工株式会社 | Optical connector |
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