JP2002014263A - Method for manufacturing loose tube type optical cable and device for feeding adhesive - Google Patents
Method for manufacturing loose tube type optical cable and device for feeding adhesiveInfo
- Publication number
- JP2002014263A JP2002014263A JP2000199185A JP2000199185A JP2002014263A JP 2002014263 A JP2002014263 A JP 2002014263A JP 2000199185 A JP2000199185 A JP 2000199185A JP 2000199185 A JP2000199185 A JP 2000199185A JP 2002014263 A JP2002014263 A JP 2002014263A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- outer peripheral
- tension member
- optical cable
- loose tube
- 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
Links
Landscapes
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明はルースチューブ型
光ケーブルの製造方法およびこれに用いる接着材供給装
置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a loose tube type optical cable and an adhesive supply device used for the method.
【０００２】[0002]
【従来の技術】従来のルースチューブ型光ケーブルの製
造装置は、図３において全体を符号４で示した接着材供
給装置を除いたものとして示される。いまこの図３を流
用して従来のルースチューブ型光ケーブルの製造方法を
簡単に説明する。2. Description of the Related Art A conventional loose tube type optical cable manufacturing apparatus is shown in FIG. Now, a method of manufacturing a conventional loose tube type optical cable will be briefly described with reference to FIG.
【０００３】上流（図の右側）から下流に向かって順に
配設される回転分線板６、５、４２Ａなどはいずれも左
右の回転を交互に繰り返すように制御されるが、各回転
分線板の回転角度は、下流に向かって大きくなるように
設定され、これによって複数本のルースチューブ１（チ
ューブ内に光ファイバがゆるく収納されたもの）を張力
部材２の周囲にＳＺに撚り合わせるようにされている。[0003] Each of the rotating branch plates 6, 5, 42A and the like arranged in order from the upstream (right side in the figure) to the downstream is controlled so as to alternately rotate left and right. The rotation angle of the plate is set to increase toward the downstream, so that a plurality of loose tubes 1 (with optical fibers loosely housed in the tubes) are twisted around the tension member 2 into SZ. Has been.
【０００４】ルースチューブ１と張力部材２とが集合ダ
イス７において撚り合わされる相互間には適宜の接着材
３が供給されてケーブルとしての安定が図られるが、こ
の接着材３を供給する位置が問題である。An appropriate adhesive 3 is supplied between the loose tube 1 and the tension member 2 which are twisted in the collective die 7 to stabilize the cable. It is a problem.
【０００５】[0005]
【発明が解決しようとする課題】従来はこの接着材を最
上流に位置する回転分線板よりさらに上流側において、
各ルースチューブを接着材の溜まった槽内を通過させる
などの浸漬付着（いわゆるドブ付け）、あるいは刷毛塗
りなど適宜な方法で供給していたので、回転分線板を通
過する間に、ＳＺ撚りにともなう各ルースチューブの振
り回しに際して接着材が周囲に飛散し、周りが汚れるだ
けでなく、接着材にもムダが多く、また各回転分線板の
通過孔も汚れがひどくなる等の欠点があった。Conventionally, this adhesive is applied further upstream from the rotationally dividing plate located at the most upstream position.
Each loose tube was supplied by an appropriate method such as immersion adhesion (so-called rubbing) such as passing through a tank in which the adhesive was accumulated, or brush coating. When the loose tubes are swirled, the adhesive scatters around and not only gets dirty, but the adhesive also has a lot of waste, and the passage holes in each rotating branch plate also have the drawbacks that they become very dirty. Was.
【０００６】[0006]
【課題を解決するための手段】この発明は上述の課題を
解決するためになされたものであって、請求項１に示し
たその解決手段は、光ファイバをゆるく収納したルース
チューブの複数本を張力部材の周りに、接着材を介在さ
せてＳＺに撚り合わせてなるルースチューブ型光ケーブ
ルの製造方法において、前記接着材を集合ダイスの直前
の最終分線筒において、前記張力部材の外周面に供給塗
布することを特徴とするルースチューブ型光ケーブルの
製造方法である。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a solution according to the first aspect of the present invention is to use a plurality of loose tubes loosely containing optical fibers. In a method for manufacturing a loose tube optical cable in which an adhesive is interposed around a tension member and an SZ is twisted around the tension member, the adhesive is supplied to an outer peripheral surface of the tension member in a final branch tube immediately before a collective die. This is a method for producing a loose tube type optical cable, characterized by applying.
【０００７】また請求項２に示したその解決手段は、張
力部材の通路でもある中空部を有する概して中空円柱状
をなし、先端に案内コーン部を、後端に回転駆動部を備
え、かつ軸方向中程に同方向に適宜の長さだけ延びる摺
動円柱面が形成され、その半径方向内側に前記ルースチ
ューブが通る複数のチューブ通路が軸方向に延びるよう
円周等分的に穿設され、また前記摺動円柱面にはこれを
一周する外周溝が穿設されると共に、この外周溝と前記
中空部を連通させる複数本の放射状送給路が穿設された
最終分線筒と、前記摺動外周面の幅に等しい軸方向の厚
さを有する中空円柱状をなし、その内周部は前記摺動円
柱面に相互に摺動回転可能に密接し、該内周部には少な
くとも１本の内周溝が穿設され、この内周溝と外周壁外
とを連通させる少なくとも１本の排出通路および前記最
終分線筒の外周溝に対応する位置において同じく内周面
から外周壁外に半径方向に貫通する少なくとも１本の接
着材送給通路が穿設された給排リングとから成る接着材
供給装置である。A second aspect of the present invention is a solution to the problem described above. The solution is generally a hollow cylindrical shape having a hollow portion which is also a passage for a tension member, a guide cone portion at a front end, a rotation driving portion at a rear end, and a shaft. In the middle of the direction, a sliding cylindrical surface extending by an appropriate length in the same direction is formed, and a plurality of tube passages through which the loose tube passes are radially inwardly formed in the radially inner side so as to extend in the axial direction. An outer peripheral groove surrounding the sliding cylindrical surface is formed in the sliding cylinder surface, and a plurality of radial feed passages communicating the outer peripheral groove and the hollow portion are formed in the final branch tube. It has a hollow cylindrical shape having a thickness in the axial direction equal to the width of the sliding outer peripheral surface, and its inner peripheral portion is in close contact with the sliding cylindrical surface so as to be slidable and rotatable, and at least the inner peripheral portion has One inner peripheral groove is formed, and a small groove for communicating the inner peripheral groove with the outside of the outer peripheral wall is provided. At least one discharge passage and at least one adhesive feed passage which penetrates radially from the inner peripheral surface to the outside of the outer peripheral wall at a position corresponding to the outer peripheral groove of the final branch tube. This is an adhesive supply device including a discharge ring.
【０００８】[0008]
【発明の実施の形態】この発明の特徴は図３に符号４に
よって示される接着材供給装置によって、接着材３を供
給することにある。したがって図１および図２を参照し
て、この接着材供給装置４を詳しく説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A feature of the present invention resides in that an adhesive 3 is supplied by an adhesive supplying apparatus indicated by reference numeral 4 in FIG. Therefore, the adhesive supply device 4 will be described in detail with reference to FIGS.
【０００９】接着材供給装置４は給排リング４１と最終
分線筒４２の２部品から成る。The adhesive supply device 4 comprises two parts, a supply / discharge ring 41 and a final branch tube 42.
【００１０】最終分線筒４２は概して中空円柱状をな
し、前方の端部は円錐状の案内コーン部４２Ｂとして形
成され、また後方端部には回転駆動部４２Ａが設けられ
る。中程は大径部で、その外周面は平滑な摺動円柱面４
１Ａとして形成される。また中空部４９は張力部材２の
通路である。The final branch tube 42 has a generally hollow cylindrical shape, a front end portion formed as a conical guide cone portion 42B, and a rotation drive portion 42A provided at a rear end portion. The middle part is a large diameter part, and its outer peripheral surface is a smooth sliding cylindrical surface 4.
1A. The hollow portion 49 is a passage for the tension member 2.
【００１１】摺動円柱面４１Ａには軸方向の中程に、円
周方向に１周する外周溝４５が穿設され、この外周溝４
５から中空部４９に連通する複数本の放射状送給路４４
Ａが穿設される。An outer circumferential groove 45 is formed in the sliding cylindrical surface 41A so as to make one round in the circumferential direction in the middle of the axial direction.
5 to a plurality of radial feed paths 44 communicating with the hollow portion 49
A is drilled.
【００１２】また大径部の外周に近い位置に、円周等分
的に、軸方向に延びる複数個、図示の例では５個のチュ
ーブ通路４３が貫通穿設される。もちろんこのチューブ
通路４３は、図２に明示されるように先に述べた放射状
送給路４４Ａの位置を避けて設けられる。At a position near the outer periphery of the large-diameter portion, a plurality of, in the illustrated example, five tube passages 43 extending in the axial direction are equally penetrated circumferentially. Needless to say, the tube passage 43 is provided so as to avoid the position of the radial feed passage 44A described above as clearly shown in FIG.
【００１３】ついで給排リング４１を説明する。給排リ
ング４１は最終分線筒４２の摺動円柱面４１Ａの外側に
嵌まるような中空円柱状をなし、その内周面はこの摺動
円柱面４１Ａにおいて互いに密接して回転可能に設けら
れる。Next, the supply / discharge ring 41 will be described. The supply / discharge ring 41 has a hollow cylindrical shape that fits outside the sliding cylindrical surface 41A of the final branch tube 42, and the inner peripheral surfaces thereof are rotatably provided on the sliding cylindrical surface 41A in close contact with each other. .
【００１４】その内周面には円周方向に１周する内周溝
４６が少なくとも２本、図示の例では２本穿設され、そ
の内周溝４６と給排リングの外周部外を連通させるよう
に半径方向に延びる少なくとも１本、図示の例では２本
の排出通路４７，４８が穿設される。At least two, in the example shown, two inner circumferential grooves 46 are formed in the inner circumferential surface to make one round in the circumferential direction, and the inner circumferential groove 46 communicates with the outside of the outer peripheral portion of the supply / discharge ring. At least one, in the example shown, two discharge passages 47 and 48 are formed so as to extend in the radial direction so as to allow the passage.
【００１５】また前述した最終分線筒４２の外周溝４５
と軸方向の位置が合致する位置には半径方向に延びて給
排リングの内周部から外周部に貫通する接着材送給通路
４４が穿設される。しかしてこの穿設位置は角度的に排
出通路４７，４８と適宜角度ずれて設けられることが望
ましい。The outer peripheral groove 45 of the last branch tube 42 described above.
At a position where the axial position coincides with the axial direction, an adhesive supply passage 44 extending in the radial direction and penetrating from the inner periphery to the outer periphery of the supply / discharge ring is formed. Thus, it is desirable that the drilling position is angularly offset from the discharge passages 47 and 48 as appropriate.
【００１６】全体の装置の設置の際には、この給排リン
グ４１が固定され、このとき排出通路４７，４８は下方
にくるよう配設される。しかして接着材送給通路４４に
は接着材３を圧送供給するための配管（図示していな
い）が連結され、また排出通路４７，４８には排出のた
めの配管（図示していない）が適宜設けられる。When the entire apparatus is installed, the supply / discharge ring 41 is fixed, and at this time, the discharge passages 47 and 48 are disposed so as to face downward. Thus, a pipe (not shown) for pressure-feeding the adhesive 3 is connected to the adhesive supply passage 44, and a pipe (not shown) for discharge is provided to the discharge paths 47 and 48. It is provided as appropriate.
【００１７】つぎにこの発明のルースチューブ型光ケー
ブルの製造方法、つまり製造装置の作用を説明する。回
転分線板６，５、４２Ａまた集合ダイス７などについて
は従来とその作用は同一である。Next, the method of manufacturing the loose tube type optical cable of the present invention, that is, the operation of the manufacturing apparatus will be described. The operation of the rotating branch plates 6, 5, 42A, the collective die 7, and the like are the same as those of the related art.
【００１８】撚合わせの進行中に接着材送給通路４４か
ら圧送供給された接着材３は、摺動円柱面４１Ａに達
し、この上の外周溝４５に流れ込み、放射状送給路４４
Ａを通って中空部４９に圧入される。The adhesive 3 supplied by pressure from the adhesive supply passage 44 during the twisting reaches the sliding cylindrical surface 41A, flows into the outer peripheral groove 45 thereon, and the radial supply passage 44.
A is pressed into the hollow portion 49 through A.
【００１９】また余分となった一部の接着材３は摺動円
柱面４１Ａ，内周溝４６を経由して排出通路４７，４８
から排出される。A part of the excess adhesive 3 is discharged through the sliding cylindrical surface 41A and the inner peripheral groove 46 to discharge passages 47 and 48.
Is discharged from
【００２０】この中空部４９に流入した接着材３はここ
を通る張力部材２に周りから付着する。つまり中空部４
９が一種の接着材溜になっていて、張力部材２はこの中
に一旦完全に浸漬される形であるから、接着材３は十分
な量だけ付着する。The adhesive 3 flowing into the hollow portion 49 adheres to the tension member 2 passing therethrough from around. That is, the hollow part 4
Reference numeral 9 denotes a kind of an adhesive reservoir, in which the tension member 2 is completely immersed once, so that the adhesive 3 adheres in a sufficient amount.
【００２１】一方各ルースチューブ１は案内コーン部４
２Ｂの外周面上を滑って進み、集合ダイス７において張
力部材２を中に包み込むような撚合わされる。このため
図３のＢ−Ｂ断面に示すように、各ルースチューブ１と
張力部材２との間にはあまねく接着材２がゆきわたるこ
とになる。On the other hand, each loose tube 1 has a guide cone 4
2B, the tension member 2 is twisted so as to enclose the tension member 2 in the collecting die 7. Therefore, as shown in the BB section of FIG. 3, the adhesive 2 spreads widely between each loose tube 1 and the tension member 2.
【００２２】[0022]
【発明の効果】請求項１の発明によれば、接着材は最終
分線筒のところで内側に位置する張力部材だけに対して
供給するため接着材がルースチューブの振り回しによっ
て飛散することがなく工程中、周りが汚れる不都合はな
い利点がある。According to the first aspect of the present invention, the adhesive is supplied only to the tension member located inside at the final branch tube, so that the adhesive is not scattered by swirling the loose tube and the process is performed. There is an advantage that the inside and the surroundings are not inconvenient.
【００２３】また請求項２の発明によれば、接着材は最
終分線筒の放射状送給路４４Ａによってその中空部４９
に円周方向に一様にかつ十分供給され、そこを走行する
張力部材の周りに均一に十分に付着するため、撚合わせ
に際して周囲のルースチューブとの間に十分かつ一様に
接着材がゆきわたる効果がある。According to the second aspect of the present invention, the adhesive is supplied to the hollow portion 49 by the radial feed path 44A of the final branch tube.
The adhesive is uniformly and sufficiently supplied in the circumferential direction, and adheres uniformly around the tension member running therethrough, so that the adhesive is sufficiently and evenly spread between the surrounding loose tubes at the time of twisting. effective.
【図１】本発明の方法を実施するために用いる接着材供
給装置を示す側断面図である。FIG. 1 is a side sectional view showing an adhesive supply device used to carry out a method of the present invention.
【図２】図１のＡ−Ａ線による断面矢視図である。FIG. 2 is a sectional view taken along the line AA in FIG.
【図３】ルースチューブ型光ケーブルの製造装置の全体
を示す斜視図である。FIG. 3 is a perspective view showing an entire apparatus for manufacturing a loose tube optical cable.
１ ルースチューブ ２ 張力部材 ３ 接着材 ４ 接着材供給装置 ４１ 給排リング ４２ 最終分線筒 ４１Ａ 摺動円柱面 ４２Ａ 回転駆動部 ４２Ｂ 案内コーン部 ４３ チューブ通路 ４４ 接着材送給通路 ４４Ａ 放射状送給路 ４５ 外周溝 ４６ 内周溝 ４７，４８ 排出通路 ５，６ 回転分線板 ７ 集合ダイス Reference Signs List 1 Loose tube 2 Tension member 3 Adhesive material 4 Adhesive material supply device 41 Supply / discharge ring 42 Final branch tube 41A Sliding cylindrical surface 42A Rotating drive unit 42B Guide cone unit 43 Tube passage 44 Adhesive supply passage 44A Radial supply passage 45 Outer circumferential groove 46 Inner circumferential groove 47,48 Discharge passage 5,6 Rotating branch plate 7 Assembly die
Claims (2)
ーブ（１）の複数本を張力部材（２）の周りに、接着材
（３）を介在させてＳＺに撚り合わせてなるルースチュ
ーブ型光ケーブルの製造方法において、前記接着材
（３）を集合ダイス（７）の直前の最終分線筒（４２）
において、前記張力部材（２）の外周面に供給塗布する
ことを特徴とするルースチューブ型光ケーブルの製造方
法。1. Production of a loose tube type optical cable in which a plurality of loose tubes (1) each containing an optical fiber loosely are twisted to SZ around a tension member (2) with an adhesive (3) interposed therebetween. In the method, the adhesive (3) is applied to a final branch tube (42) immediately before a collecting die (7).
The method for producing a loose tube type optical cable according to any one of claims 1 to 3, further comprising supplying the outer peripheral surface of the tension member (2).
（４９）を有する概して中空円柱状をなし、先端に案内
コーン部（４２Ｂ）を、後端に回転駆動部（４２Ａ）を
備え、かつ軸方向中程に同方向に適宜の長さだけ延びる
摺動円柱面（４１Ａ）が形成され、その半径方向内側に
前記ルースチューブ（１）が通る複数のチューブ通路
（４３）が軸方向に延びるよう円周等分的に穿設され、
また前記摺動円柱面（４１Ａ）にはこれを一周する外周
溝（４５）が穿設されると共に、この外周溝（４５）と
前記中空部（４９）を連通させる複数本の放射状送給路
（４４Ａ）が穿設された最終分線筒（４２）と、前記摺
動外周面（４１Ａ）の幅に等しい軸方向の厚さを有する
中空円柱状をなし、その内周部は前記摺動円柱面（４１
Ａ）に相互に摺動回転可能に密接し、該内周部には少な
くとも１本の内周溝（４６）が穿設され、この内周溝
（４６）と外周壁外とを連通させる少なくとも１本の排
出通路（４７，４８）および前記最終分線筒（４２）の
外周溝（４５）に対応する位置において同じく内周面か
ら外周壁外に半径方向に貫通する少なくとも１本の接着
材送給通路（４４）が穿設された給排リング（４１）と
から成る接着材供給装置。2. A generally hollow cylindrical shape having a hollow portion (49) which is also a passage of the tension member (2), a guide cone portion (42B) at a front end, and a rotation driving portion (42A) at a rear end, A sliding cylindrical surface (41A) extending in the same direction in the axial direction by an appropriate length is formed, and a plurality of tube passages (43) through which the loose tube (1) passes radially inward are formed in the axial direction. It is pierced circumferentially equally so as to extend,
An outer peripheral groove (45) surrounding the sliding cylindrical surface (41A) is formed in the sliding cylindrical surface (41A), and a plurality of radial feed paths for communicating the outer peripheral groove (45) with the hollow portion (49). (44A) is formed into a hollow cylinder having a thickness in the axial direction equal to the width of the sliding outer peripheral surface (41A). Cylindrical surface (41
A), at least one inner peripheral groove (46) is formed in the inner peripheral portion so as to be slidable and rotatable with each other, and at least one communicating the inner peripheral groove (46) with the outside of the outer peripheral wall. At least one adhesive material which penetrates radially from the inner peripheral surface to the outer peripheral wall at a position corresponding to the one discharge passage (47, 48) and the outer peripheral groove (45) of the final branch tube (42). An adhesive supply device comprising a supply / discharge ring (41) having a supply passage (44) formed therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000199185A JP4088024B2 (en) | 2000-06-30 | 2000-06-30 | Loose tube type optical cable manufacturing method and adhesive supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000199185A JP4088024B2 (en) | 2000-06-30 | 2000-06-30 | Loose tube type optical cable manufacturing method and adhesive supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002014263A true JP2002014263A (en) | 2002-01-18 |
| JP4088024B2 JP4088024B2 (en) | 2008-05-21 |
Family
ID=18697240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000199185A Expired - Fee Related JP4088024B2 (en) | 2000-06-30 | 2000-06-30 | Loose tube type optical cable manufacturing method and adhesive supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4088024B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7212715B2 (en) | 2004-06-25 | 2007-05-01 | Draka Comteq B.V. | Cable element having repositionable pressure sensitive adhesive to couple buffer tubes to a central strength member |
| CN106249367A (en) * | 2016-08-29 | 2016-12-21 | 湖北凯乐科技股份有限公司 | Optical cable moves back cable and automatically receives Yarn winding apparatus and move back cable operating procedure |
| CN108490562A (en) * | 2018-03-27 | 2018-09-04 | 烽火通信科技股份有限公司 | Layer-stranding cable twists head Outlet cover plate mold and twisted platform |
-
2000
- 2000-06-30 JP JP2000199185A patent/JP4088024B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7212715B2 (en) | 2004-06-25 | 2007-05-01 | Draka Comteq B.V. | Cable element having repositionable pressure sensitive adhesive to couple buffer tubes to a central strength member |
| CN106249367A (en) * | 2016-08-29 | 2016-12-21 | 湖北凯乐科技股份有限公司 | Optical cable moves back cable and automatically receives Yarn winding apparatus and move back cable operating procedure |
| CN108490562A (en) * | 2018-03-27 | 2018-09-04 | 烽火通信科技股份有限公司 | Layer-stranding cable twists head Outlet cover plate mold and twisted platform |
| CN108490562B (en) * | 2018-03-27 | 2019-10-25 | 烽火通信科技股份有限公司 | Layer-stranding cable twists head Outlet cover plate mold and twisted platform |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4088024B2 (en) | 2008-05-21 |
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