JPH02146507A - V-groove block for optical fiber - Google Patents

V-groove block for optical fiber

Info

Publication number
JPH02146507A
JPH02146507A JP30194488A JP30194488A JPH02146507A JP H02146507 A JPH02146507 A JP H02146507A JP 30194488 A JP30194488 A JP 30194488A JP 30194488 A JP30194488 A JP 30194488A JP H02146507 A JPH02146507 A JP H02146507A
Authority
JP
Japan
Prior art keywords
optical fiber
grooves
groove
core
optical fibers
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
JP30194488A
Other languages
Japanese (ja)
Other versions
JP2685153B2 (en
Inventor
Akira Yanagi
公 柳
Yasuo Asano
康雄 浅野
Keiji Osaka
啓司 大阪
Tadashi Haibara
灰原 正
Noboru Kawasaki
登 川崎
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.)
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries 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 Nippon Telegraph and Telephone Corp, Sumitomo Electric Industries Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP30194488A priority Critical patent/JP2685153B2/en
Publication of JPH02146507A publication Critical patent/JPH02146507A/en
Application granted granted Critical
Publication of JP2685153B2 publication Critical patent/JP2685153B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To allow good fusion splicing by providing optical fiber guide plates formed with plural kinds of the widths corresponding to the width of the number of pieces of the optical fiber to be inserted into V-grooves on both sides of the V-groove block having the plural V-grooves in such a manner that the guide plates can be moved vertically. CONSTITUTION:The optical fiber guide plates 2 formed, in two stages, with two kinds of the widths, A-B, C-D, corresponding to the width of the number of pieces of the optical fibers to be inserted are provided on both sides of the V-groove block 1 in such a manner that the guide plates can be moved in a vertical direction by means of guide plate holders 3. The optical fiber guide plates rise onto the plane of the V-grooves in the case of inserting the 8-fiber optical fibers 10 into V-grooves V1 to V8 and the optical fiber guide plates 2 rise further from the plane of the V-grooves in the case of inserting the 5-fiber optical fibers 10 into the V-grooves. The optical fibers 10 are guided by the CD part of the optical fiber guide plates 2 and are thereby inserted into the V-groove V3 to V7. The good fusion splicing is executed by one unit of connector in this way.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は光ファイバの融着接続において、里心から多心
までの光ファイバを相対向させて位置決め配列する光フ
ァイバ■構台に関するものである。
DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to an optical fiber gantry for positioning and arranging optical fibers from a center to a multi-core so as to face each other in fusion splicing of optical fibers.

(従来の技術) 光ファイバには単心光ファイバと多心光ファイバがある
。これらの光ファイバを接続する場合には、端末部の被
覆を除去して採光ファイバを露出させ、その先端を切り
揃えてV構台のV溝上に配列位置決めし、端面を突き合
わせた後、アーク放電加熱により融着接続を行なう。
(Prior Art) Optical fibers include single-core optical fibers and multi-core optical fibers. When connecting these optical fibers, remove the coating on the terminal part to expose the lighting fiber, trim the tips, align and position them on the V groove of the V gantry, and after abutting the end faces, arc discharge heating Perform fusion splicing.

第4図は従来のV構台(20)の−例の斜視図である。FIG. 4 is a perspective view of an example of a conventional V gantry (20).

図面に示すように、複数のV溝(22)を形成したV 
i+iブロック(21)において、両側に位置するV溝
(22)の外側の側面に光ファイバガイド(23) (
241が形成されており、上記光ファイバガイド(23
) (24)をガイドとしてV ?M (22)内に光
ファイバを挿入し、位置決めする。
As shown in the drawing, a V groove formed with a plurality of V grooves (22)
In the i+i block (21), optical fiber guides (23) (
241 is formed, and the optical fiber guide (23
) Using (24) as a guide, V? Insert the optical fiber into M (22) and position it.

第5図<()〜(ハ)は第4図に示す光ファイバV構台
(20)を用いて、多心光ファイバ(4心、5心)及び
小心光ファイバを位置決めする場合の説明図で、同図(
イ)は5心、同図(I))は4心、同図(ハ)は里心の
場合をそれぞれ示している。
Figures 5 () to (c) are explanatory diagrams for positioning multi-core optical fibers (4-core, 5-core) and small-core optical fibers using the optical fiber V gantry (20) shown in Figure 4. , the same figure (
Figure (a) shows the case of 5 hearts, figure (I)) shows the case of 4 hearts, and figure (c) shows the case of the village heart.

光ファイバ(10)をV溝(22)に挿入する場合ガイ
ドが必要である。5心光フアイバの場合、光ファイバガ
イド(231(24)に沿わせて挿入するが、4心の場
合、VSが不用となり片側の光ファイバガイド(23)
に沿わせて光ファイバをv1〜v4に挿入し、位置決め
する。又用心光ファイバの場合はvlのみが必要で、光
ファイバガイド(23)に沿わせてvlに挿入し、位置
決めする。
A guide is required when inserting the optical fiber (10) into the V-groove (22). In the case of a 5-core optical fiber, it is inserted along the optical fiber guide (231 (24)), but in the case of a 4-core optical fiber, the VS is unnecessary and the optical fiber guide (23) on one side is inserted.
Insert and position the optical fibers along v1 to v4. In addition, in the case of a precautionary optical fiber, only vl is required, and it is inserted into vl along the optical fiber guide (23) and positioned.

このようにして、5心、4心及び単心光ファイバはV溝
ブロックと一体化されたガイドによって、■溝に位置決
めした後、その端面を突き合わせ、融着接続を行なって
いる。
In this way, the five-core, four-core, and single-core optical fibers are positioned in the groove (1) by the guide integrated with the V-groove block, and then their end faces are brought together to perform fusion splicing.

(解決しようとする諜fJIi) 近時、光通信の多様化に伴ない高密度多心光ファイバの
需要が高まり、8心及び10心の光ファイバの開発が進
み実用化されつつある。
(Intelligence fJIi to be solved) Recently, with the diversification of optical communications, the demand for high-density multi-core optical fibers has increased, and 8-core and 10-core optical fibers are being developed and put into practical use.

このような多種多様な光ファイバを接続する接続5A 
nも必要になってきており、−台の接続装置で対応出来
る技術の開発が急務となっている。
Connection 5A that connects such a wide variety of optical fibers
n is also becoming necessary, and there is an urgent need to develop technology that can handle this with - n units of connection devices.

従来のようにV溝ブロック(21)の両側のV溝(22
)に沿って光ファイバガイド(23) (24)が1体
化されたV構台で位置決めする方法は、例えば第6図の
ようにv1〜V+oの10のV溝(22)を有するV溝
ブロック(2I)を用いる場合、同図0)のように」0
心の光フーイバでは光ファイバガイド(23) (24
)に沿って6光y y 4 ハ(IQ) it Vl 
= Vlo (7) V in (22) l:挿入さ
れ、位置決めされる。この際の電極棒(4)と光ファイ
バ(10)の位置関係は第7図(イ)のようになる。な
お、(41)はアーク放電の熱分布形状である。又この
場合の電極棒間隔(Q)は4冒■以上である。
As in the past, the V grooves (22) on both sides of the V groove block (21)
), a V-groove block having 10 V-grooves (22) from v1 to V+o as shown in FIG. When using (2I), as in 0) in the same figure, ``0
Optical fiber guide (23) (24)
) along 6 light y 4 ha (IQ) it Vl
= Vlo (7) V in (22) l: inserted and positioned. The positional relationship between the electrode rod (4) and the optical fiber (10) at this time is as shown in FIG. 7(A). Note that (41) is the heat distribution shape of arc discharge. Further, the electrode spacing (Q) in this case is 4 mm or more.

同じV iRブロック(2I)を用いて4心光フアイバ
を位置決めした状態は第6図(ロ)の通りであり、里心
光ファイバの場合は同図(ハ)のようになる。又これら
の場合の放電状態はそれぞれ第7図(()及びぐ→の通
りである。
The state in which the four-core optical fiber is positioned using the same ViR block (2I) is as shown in FIG. 6 (b), and the state in which the four-core optical fiber is positioned is as shown in FIG. 6 (c). Further, the discharge states in these cases are as shown in FIG. 7 (() and →).

これらの場合問題となるのは、小心数の光ファイバ、例
えば4心、単心等をVブロック(2I)に位置決めし、
融着接続する場合、第7図(ロ)(ハ)に示すように、
電極間隔(Q)に対して光ファイバ(10)が片寄った
状態でlSi!置されることになり、放電された熱エネ
ルギーが光ファイバに対して不均一になり、溶ける光フ
ァイバ、熔けない光ファイバが生じ、良好な融着接続が
できないという問題点がある。
In these cases, the problem is that optical fibers with a small number of cores, such as 4-core or single-core fibers, are positioned in the V block (2I),
When fusion splicing, as shown in Figure 7 (b) and (c),
lSi! with the optical fiber (10) biased relative to the electrode spacing (Q)! This poses a problem in that the discharged thermal energy becomes non-uniform with respect to the optical fibers, causing some optical fibers to melt and others not to melt, making it impossible to perform good fusion splicing.

(問題点を解決するための手段) 本発明は上述の問題点を解消した光ファイバV構台を提
供するもので、その特徴は、複数の光ファイバを相対向
させて位置決めする複数のV溝をaするV溝ブロックの
両側に、前記V溝ブロックのV溝に挿入する光ファイバ
の本数の幅に応じた幅を複数種形成した光ファイバガイ
ド板をV溝面に上下移動可能に設けたことにある。
(Means for Solving the Problems) The present invention provides an optical fiber V gantry that solves the above-mentioned problems, and is characterized by a plurality of V grooves for positioning a plurality of optical fibers facing each other. On both sides of the V-groove block, an optical fiber guide plate having a plurality of widths corresponding to the width of the number of optical fibers to be inserted into the V-groove of the V-groove block is provided so as to be movable up and down on the V-groove surface. It is in.

第1図は本発明に係る光ファイバV構台の具体例の斜視
図である。
FIG. 1 is a perspective view of a specific example of an optical fiber V gantry according to the present invention.

図面において、(1)は上面に複数のV溝(図ではv1
〜v8の8つのVill)を形状したV溝ブロックで、
このV溝ブロック0)の両側には、上記V溝ブロック(
+)のV溝に挿入する光ファイバの本数の幅に応じた幅
、即ち図ではA−B、C−Dの28i類の幅を2段に形
成した光ファイバガイド板(2)が、ガイド板ホルダー
(3)によって上下方向に移動可能に設けられている。
In the drawing, (1) has multiple V grooves (v1 in the figure) on the top surface.
A V-groove block shaped like ~v8 (8 Vills),
On both sides of this V-groove block 0), the above-mentioned V-groove block (
+) The optical fiber guide plate (2) is formed in two stages with a width corresponding to the number of optical fibers to be inserted into the V-groove, that is, widths of 28i type A-B and C-D in the figure. It is provided so as to be movable in the vertical direction by a plate holder (3).

この光ファイバガイド板(2)の上下移動はレバー又は
カムを介しモータ駆動としてもよく、あるいは手動でも
容易に出来る。
The vertical movement of this optical fiber guide plate (2) may be driven by a motor via a lever or a cam, or it can easily be done manually.

(作用) 第2図(イ)〜(へ)は第1図に示すv1〜v8の8つ
の■溝を4丁するV it■台を用いて、8心〜?i心
の光ファイバを位置決めする説明図である。
(Function) Figures 2 (A) to (F) are made using the V it ■ stand that has 4 grooves of the 8 grooves v1 to v8 shown in Figure 1. FIG. 3 is an explanatory diagram for positioning the i-core optical fiber.

同図(イ)は光ファイバ(10)をV溝に挿入していな
い時のV溝と光ファイバガイド仮(2)の位置関係図で
、ガイド板(2)の上端はV溝の平面以下にある。
Figure (A) shows the positional relationship between the V-groove and the temporary optical fiber guide (2) when the optical fiber (10) is not inserted into the V-groove, and the upper end of the guide plate (2) is below the plane of the V-groove. It is in.

これは、■溝ブロック(1)のVl ” VaのV溝の
清掃を容易にするものである。
This facilitates cleaning of the V-groove of Vl'' Va of the (1) groove block (1).

同図(に)は8心の光7 、 イ/< (10)をVl
 −Va ノV溝に挿入した状態を示し、光ファイバガ
イド板(2)がV導子面上に上昇し、光ファイバガイド
板(2)のAB部でガイドし、光ファイバ(10)をV
l −vaのV溝に挿入する。
The same figure (in) shows 8-core light 7, i/< (10) as Vl
-Va shows the state inserted into the V groove, the optical fiber guide plate (2) rises above the V conductor surface, guides with the AB part of the optical fiber guide plate (2), and guides the optical fiber (10) into the V groove.
Insert into the V groove of l-va.

同図(ハ)は5心の光ファイバ(10)をv3〜V7の
V溝に挿入した状態を示し、光ファイバガイド板(2)
が■導子面よりさらに上昇し、光ファイバガイド板(2
)のCD部でガイドし、光ファイバ(10)をv3〜v
7のV溝に挿入する。
The same figure (c) shows the state in which the five-core optical fiber (10) is inserted into the V grooves V3 to V7, and the optical fiber guide plate (2)
■ rises further from the conductor surface, and the optical fiber guide plate (2
) and guide the optical fiber (10) with the CD part of v3~v
Insert it into the V groove of 7.

同図に)は4心の光ファイバ(10)をv3〜v6のV
溝に挿入した状態を示し、光ファイバガイド板(2)は
同図(ハ)の5心の時と同じ位置にある。この場合は、
v7のV溝を使用しないので、光ファイバ(lO)はガ
イド板(2)のc1!Sをガイドとして挿入する。
) is a four-core optical fiber (10) with a V of v3 to v6.
The optical fiber guide plate (2) is shown inserted into the groove, and the optical fiber guide plate (2) is in the same position as in the case of the five-core fiber in FIG. in this case,
Since the V groove of v7 is not used, the optical fiber (lO) is connected to c1 of the guide plate (2)! Insert S as a guide.

同図(ホ)は2心光フアイバ、同図(へ)は単心光ファ
イバの場合をそれぞれ示しており、いずれの場合も光フ
ァイバガイド板(2)は同図(ハ)の5心の場合と同じ
位置にあり、光ファイバ(10)はガイド板(2)の0
部をガイドとしてV溝に挿入する。
The figure (e) shows the case of a two-core optical fiber, and the figure (f) shows the case of a single-core optical fiber. In both cases, the optical fiber guide plate (2) is the same as the five-core optical fiber in the figure (c). The optical fiber (10) is in the same position as in the case of the guide plate (2).
Insert it into the V-groove using the section as a guide.

このようにして、本発明の光ファイバV構台においては
、光ファイバガイド板(2)をガイドとして光ファイバ
(10)を中央付近に位置するV溝に挿入し、位置決め
する。これにより、光ファイバは均一な放電熱エネルギ
ーを受け、良好な光ファイバの融着接続が実現できる。
In this way, in the optical fiber V gantry of the present invention, the optical fiber (10) is inserted and positioned into the V groove located near the center using the optical fiber guide plate (2) as a guide. As a result, the optical fiber receives uniform discharge heat energy, and good fusion splicing of the optical fiber can be achieved.

(実施例) 第3図(イ)〜(へ)はV+ ” V+oの10のV溝
を形成したV溝ブロック(1)へ、10心〜単心の光フ
ァイバ(IQ)を挿入し、位置決めした状態の説明図で
ある。この場合、光ファイバガイド板(2)は左側は2
段、右側は3段に形成しており、 A−B、 C−D、
 D−Eの3種類の幅を存することになる。光ファイバ
(10)の■溝への挿入、位置決めの手順は第2図の場
合と同様に行なう。
(Example) Figures 3 (a) to (f) show the insertion and positioning of a 10- to single-core optical fiber (IQ) into a V-groove block (1) in which 10 V-grooves of V+"V+o are formed. In this case, the left side of the optical fiber guide plate (2) is 2
The right side is formed into three stages, A-B, C-D,
There are three widths: D-E. The procedure for inserting and positioning the optical fiber (10) into the groove is the same as in the case of FIG.

このように、光ファイバガイド板(2)を多段に形成す
ることにより、ガイド板(2)の幅の種類が増加し、図
のようなV+ = v+aのIOのV溝をイfするV溝
ブロック0)を用いて、単心、2心等の小心数の光ファ
イバを位置決めする場合にも、出来るだけ中央付近に位
置するV溝に位置決めすることが可能となる。
In this way, by forming the optical fiber guide plate (2) in multiple stages, the variety of widths of the guide plate (2) increases, and the V-groove that matches the V-groove of the IO with V+ = v+a as shown in the figure Even when using block 0) to position an optical fiber with a small number of cores, such as a single fiber or two fibers, it is possible to position it in a V-groove located as close to the center as possible.

(発明の効果) 以上説明したよに、本発明の光ファイバV構台によれば
、■溝ブロックに現在最多の多心光ファイバである1G
心が位置決め出来るような10のV溝を形成したものを
用いても、現在実用化されているIO心、8心、5心、
4心、2心、単心の光ファイバの位置決めが可能となり
、1台の接続装置によって良好な融e接続を実現するこ
とができる。
(Effects of the Invention) As explained above, according to the optical fiber V gantry of the present invention, ■1G, which is currently the largest number of multi-core optical fibers, is installed in the groove block.
Even if you use a device with 10 V-grooves that allows the core to be positioned, the IO cores, 8 cores, 5 cores, and
It becomes possible to position 4-core, 2-core, and single-core optical fibers, and good fusion e-connection can be achieved with a single connecting device.

【図面の簡単な説明】 第1図は本発明に係る光ファイバV構台の具体例の斜視
図である。 第2図(イ)〜(へ)は第1図のV連台による8心〜単
心の光ファイバの位置決めの説明図である。 第3図(イ)〜(へ)は10のV溝を存する本発明のV
連台による10心〜単心の光ファイバの位置決めの説明
図である。 第4図は従来の5心用のV連台の一例の斜視図である。 第5図(イ)〜(ハ)は第4図のv連台による5心〜単
心の光ファイバの位置決めの説明図である。 第6図(イ)〜(ハ)は10のV溝を訂する第4図同様
のV連台による10心〜単心の光ファイバの位置決めの
説明図であり、第7図(イ)〜(ハ)はその場合の光フ
ァイバとアーク放電の熱分布形状の関係図である。 l・・・V溝ブロック、2・・・光ファイバガイド板、
3・・・ガイド板ホルダー、4・・・電極棒。 夷 3 目 寡4図 算 図 賽 図 邪711!]
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a specific example of an optical fiber V gantry according to the present invention. FIGS. 2(A) to 2(F) are explanatory diagrams of positioning of 8-core to single-core optical fibers using the V-mounted stand shown in FIG. 1. Figures 3(a) to 3(f) show the V grooves of the present invention having 10 V grooves.
FIG. 2 is an explanatory diagram of positioning of 10-to-single-core optical fibers using a series of units. FIG. 4 is a perspective view of an example of a conventional five-core V-series stand. FIGS. 5(A) to 5(C) are explanatory diagrams of positioning of five-core to single-core optical fibers using the V series unit of FIG. 4. Figures 6(A) to 6(C) are explanatory diagrams of positioning of 10-core to single-core optical fibers using a V series similar to Figure 4 for correcting 10 V grooves, and Figures 7(A) to 6(C) are (c) is a diagram showing the relationship between the optical fiber and the heat distribution shape of the arc discharge in that case. l...V groove block, 2...optical fiber guide plate,
3... Guide plate holder, 4... Electrode rod. Yi 3 meku 4 zuan zu saizu evil 711! ]

Claims (1)

【特許請求の範囲】[Claims] (1)複数の光ファイバを相対向させて位置決めする複
数のV溝を有するV溝ブロックの両側に、前記V溝ブロ
ックのV溝に挿入する光ファイバの本数の幅に応じた幅
を複数種形成した光ファイバガイド板をV溝面に上下移
動可能に設けたことを特徴とする光ファイバV溝台。
(1) A V-groove block having a plurality of V-grooves for positioning a plurality of optical fibers facing each other has a plurality of widths on both sides corresponding to the number of optical fibers to be inserted into the V-grooves of the V-groove block. An optical fiber V-groove stand, characterized in that a formed optical fiber guide plate is provided on a V-groove surface so as to be movable up and down.
JP30194488A 1988-11-28 1988-11-28 Optical fiber V groove stand Expired - Lifetime JP2685153B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30194488A JP2685153B2 (en) 1988-11-28 1988-11-28 Optical fiber V groove stand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30194488A JP2685153B2 (en) 1988-11-28 1988-11-28 Optical fiber V groove stand

Publications (2)

Publication Number Publication Date
JPH02146507A true JPH02146507A (en) 1990-06-05
JP2685153B2 JP2685153B2 (en) 1997-12-03

Family

ID=17902991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30194488A Expired - Lifetime JP2685153B2 (en) 1988-11-28 1988-11-28 Optical fiber V groove stand

Country Status (1)

Country Link
JP (1) JP2685153B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5141545A (en) * 1990-05-23 1992-08-25 Bicc Plc Method for making optical fibre fusion splice
US5257337A (en) * 1991-03-08 1993-10-26 Bicc Public Limited Company Method of and apparatus for effecting an end-to-end fusion splice between optical fibres
EP1089102A2 (en) * 1999-09-30 2001-04-04 Sumitomo Electric Industries, Ltd. Positioning substrate for an optical device and positioning method using the substrate
WO2024033988A1 (en) * 2022-08-08 2024-02-15 日本電信電話株式会社 Connection structure between optical fiber and optical waveguide, and method for manufacturing optical waveguide substrate

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5141545A (en) * 1990-05-23 1992-08-25 Bicc Plc Method for making optical fibre fusion splice
US5257337A (en) * 1991-03-08 1993-10-26 Bicc Public Limited Company Method of and apparatus for effecting an end-to-end fusion splice between optical fibres
EP1089102A2 (en) * 1999-09-30 2001-04-04 Sumitomo Electric Industries, Ltd. Positioning substrate for an optical device and positioning method using the substrate
US6519405B1 (en) 1999-09-30 2003-02-11 Sumitomo Electric Industries, Ltd. Positioning substrate for an optical device and positioning method using the substrate
EP1089102A3 (en) * 1999-09-30 2003-12-03 Sumitomo Electric Industries, Ltd. Positioning substrate for an optical device and positioning method using the substrate
WO2024033988A1 (en) * 2022-08-08 2024-02-15 日本電信電話株式会社 Connection structure between optical fiber and optical waveguide, and method for manufacturing optical waveguide substrate

Also Published As

Publication number Publication date
JP2685153B2 (en) 1997-12-03

Similar Documents

Publication Publication Date Title
US5917984A (en) Management-capable splice cassette
ATE6965T1 (en) SLEEVE FOR HIGH PAIR FIBER OPTIC CABLES.
GB1524874A (en) Optical fibre waveguides
EP0324492A3 (en) Optical fiber connector assemblies and methods of making the assemblies
ATE112396T1 (en) OPTICAL CABLE WITH AT LEAST ONE FIBER OPTIC WIRE.
DE69008562T2 (en) Splice for optical ribbon cable with multiple fiber optic cables.
JP3089449B2 (en) Single-core optical fiber tape forming method and apparatus
DK97285D0 (en) SEPARABLE CONNECTOR FOR OPTICAL FIBERS
ES448957A1 (en) Optical fiber connector
ES269892U (en) Organizer fixture for splices in fiber optic cables
US5926598A (en) Apparatus for breaking out ribbonized fiber optic cables
JPH02146507A (en) V-groove block for optical fiber
US4265514A (en) Guide capsule for optical fiber connectors
GB1486632A (en) Connectors for optical glass fibres
DE3878791T2 (en) FIBER OPTICAL CABLE FOR HIGH TEMPERATURE APPLICATION.
IT8448998A0 (en) IMPROVEMENT IN EQUIPMENT FOR SPLICING FILAMENT BUNDLES, PARTICULARLY OPTIC FIBERS
JP3173980B2 (en) Optical distribution frame
JPH0659161A (en) Pitch change connector for multiple optical fiber
JPS63254406A (en) Reinforcing device for multicore optical fiber coupler
JPS592013A (en) Guide device of optical fiber
JP3406181B2 (en) Optical branch module, optical wiring method, and work jig
JPH0743453B2 (en) Ceramic table for fusion splicing of optical fibers
JPH0213910A (en) Method and device for assembling multi optical fiber plug
JPH07218753A (en) Method and machine for fusion splicing of optical fiber
AU619594B2 (en) Optical fibre plug pin

Legal Events

Date Code Title Description
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080815

Year of fee payment: 11

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080815

Year of fee payment: 11

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090815

Year of fee payment: 12

EXPY Cancellation because of completion of term
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090815

Year of fee payment: 12