JPH06122535A - Colored resin coating apparatus for optical fiber - Google Patents
Colored resin coating apparatus for optical fiberInfo
- Publication number
- JPH06122535A JPH06122535A JP4273966A JP27396692A JPH06122535A JP H06122535 A JPH06122535 A JP H06122535A JP 4273966 A JP4273966 A JP 4273966A JP 27396692 A JP27396692 A JP 27396692A JP H06122535 A JPH06122535 A JP H06122535A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- colored resin
- colored
- coating device
- supply
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/465—Coatings containing composite materials
- C03C25/475—Coatings containing composite materials containing colouring agents
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、光ファイバに所要の着
色樹脂を被覆する光ファイバ用着色樹脂被覆装置に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical fiber colored resin coating apparatus for coating an optical fiber with a required colored resin.
【０００２】[0002]
【従来の技術】図３は、従来の光ファイバ用着色樹脂被
覆装置の構成を示したものである。図において、１は着
色樹脂２を供給する着色樹脂供給容器、３は着色樹脂供
給容器１にＮ2 ガス等の加圧ガスを供給する加圧ガス供
給路、４は着色樹脂供給容器１から着色樹脂供給路５を
経て供給された着色樹脂２を光ファイバ６に被覆する樹
脂被覆器である。該樹脂被覆器４は、ホルダ７内にニッ
プル８とダイス９とが対向されて収容され、ニップル８
とダイス９との間に樹脂溜め部１０が存在する構造にな
っている。該樹脂溜め部１０には、着色樹脂供給路５を
経て着色樹脂２が供給されるようになっている。2. Description of the Related Art FIG. 3 shows the structure of a conventional colored resin coating device for an optical fiber. In the figure, 1 is a colored resin supply container for supplying a colored resin 2, 3 is a pressurized gas supply passage for supplying a pressurized gas such as N 2 gas to the colored resin supply container 1, and 4 is colored from the colored resin supply container 1. The resin coating device coats the optical fiber 6 with the colored resin 2 supplied through the resin supply path 5. In the resin coating device 4, a nipple 8 and a die 9 are housed in a holder 7 so as to face each other.
The resin reservoir 10 is provided between the die 9 and the die 9. The colored resin 2 is supplied to the resin reservoir 10 through a colored resin supply passage 5.
【０００３】このような光ファイバ用着色樹脂被覆装置
では、加圧ガス供給管３から供給する加圧ガスで着色樹
脂供給容器１内の着色樹脂２を加圧して着色樹脂供給路
５を経て樹脂被覆器４の樹脂溜め部１０に供給する。樹
脂被覆器４では、樹脂溜め部１０内の着色樹脂２を、ニ
ップル８とダイス９を貫通する光ファイバ６に被覆す
る。In such a colored resin coating device for an optical fiber, the colored resin 2 in the colored resin supply container 1 is pressurized by the pressurized gas supplied from the pressurized gas supply pipe 3, and the resin is passed through the colored resin supply path 5. The resin is supplied to the resin reservoir 10 of the coater 4. In the resin coater 4, the colored resin 2 in the resin reservoir 10 is coated on the optical fiber 6 penetrating the nipple 8 and the die 9.
【０００４】このような光ファイバ用着色樹脂被覆装置
において、着色樹脂２の色替えをする場合には、着色樹
脂供給容器１，着色樹脂供給路５，ニップル８，ダイス
９を交換していた。In such a colored resin coating device for an optical fiber, when the color of the colored resin 2 is changed, the colored resin supply container 1, the colored resin supply passage 5, the nipple 8 and the die 9 are exchanged.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、色替え
のたびにニップル８，ダイス９を交換するということ
は、その都度、新たに光ファイバの線通しが必要とな
り、このため段取りに時間がかかるだけでなく、装置の
自動化の妨げになる問題点があった。However, the replacement of the nipple 8 and the die 9 each time the color is changed necessitates a new threading of the optical fiber each time, so that the setup takes a long time. However, there was a problem that hindered automation of the device.
【０００６】また、ニップル８，ダイス９を交換せず
に、着色樹脂供給容器１，着色樹脂供給路５のみを交換
し、色替えを行うと、次のような問題点が発生する。Further, if only the colored resin supply container 1 and the colored resin supply passage 5 are replaced and the color is changed without replacing the nipple 8 and the die 9, the following problems occur.
【０００７】（ａ）ニップル８，ダイス９に通線したま
まの状態で、色替えを行うことになるが、この時に光フ
ァイバ６の走行を停止し且つ着色樹脂供給容器１内への
加圧を停止しても、着色樹脂２に残圧があるため、ニッ
プル８より外部（上部）への着色樹脂２の逆流やダイス
９より外部への着色樹脂２の出流が生じ、それらの箇所
で着色樹脂２が団子状になる。(A) The color is changed while the nipple 8 and the die 9 are still connected. At this time, the running of the optical fiber 6 is stopped and the pressure in the colored resin supply container 1 is increased. Even after stopping, since there is residual pressure in the colored resin 2, backflow of the colored resin 2 to the outside (upper part) from the nipple 8 and outflow of the colored resin 2 to the outside from the die 9 occur, and at those locations. The colored resin 2 becomes a dumpling.
【０００８】（ｂ）これを防ぐためには、低速で光ファ
イバ６を走行させておけば良いが、これでは光ファイバ
６のロスが増える。(B) In order to prevent this, the optical fiber 6 may be run at a low speed, but this increases the loss of the optical fiber 6.
【０００９】（ｃ）既存のニップル８，ダイス９では、
樹脂溜め部１０の存在により、色替え時に、着色樹脂２
の色替えに時間がかかる。(C) In the existing nipple 8 and die 9,
Due to the presence of the resin reservoir 10, the colored resin 2
It takes time to change the color.
【００１０】本発明の目的は、着色樹脂の色替えを、容
易に、能率よく行うことができる光ファイバ用着色樹脂
被覆装置を提供することにある。An object of the present invention is to provide a colored resin coating device for an optical fiber which can easily and efficiently change the color of the colored resin.
【００１１】[0011]
【課題を解決するための手段】上記の目的を達成する本
発明の構成を説明すると、本発明は複数の着色樹脂供給
容器から選択的に樹脂被覆器にいずれかの色の着色樹脂
を供給してその着色樹脂を該樹脂被覆器で光ファイバに
被覆する光ファイバ用着色樹脂被覆装置において、前記
各着色樹脂供給容器のいずれから前記着色樹脂の供給を
するかの切替えを行う供給樹脂切替弁と、該供給樹脂切
替弁から共用着色樹脂供給路を経て前記樹脂被覆器に供
給される前記着色樹脂を該樹脂被覆器の入口側で該樹脂
被覆器に供給するか外に排出するかの切替えを行う流路
切替弁と、前記樹脂被覆器内の前記着色樹脂を強制的に
排出する樹脂被覆器内着色樹脂強制排出機構とを備えて
いることを特徴とする。To explain the constitution of the present invention for achieving the above object, the present invention selectively supplies a colored resin of any color from a plurality of colored resin supply containers to a resin coater. In a colored resin coating device for an optical fiber that coats the colored resin with an optical fiber with the resin coating device, a supply resin switching valve for switching which of the respective colored resin supply containers supplies the colored resin. Switching between supplying or discharging the colored resin supplied to the resin coating device from the supply resin switching valve via the shared colored resin supply passage to the resin coating device at the inlet side of the resin coating device. It is characterized by comprising a flow passage switching valve for performing and a forced discharge mechanism of the colored resin in the resin coating device for forcibly discharging the colored resin in the resin coating device.
【００１２】[0012]
【作用】このような光ファイバ用着色樹脂被覆装置で色
替えをするときには、流路切替弁を外排出側に切替えて
おいて、樹脂被覆器内着色樹脂強制排出機構を作動さ
せ、樹脂被覆器内の残留着色樹脂を強制排出する。When changing the color in such a colored resin coating device for an optical fiber, the flow passage switching valve is switched to the outside discharge side, and the colored resin forced discharge mechanism in the resin coater is operated to activate the resin coater. The residual colored resin inside is forcibly discharged.
【００１３】また、各着色樹脂供給容器のうちの所要の
着色樹脂供給容器を供給樹脂切替弁の切替えにより選択
する。Further, a desired colored resin supply container among the colored resin supply containers is selected by switching the supply resin switching valve.
【００１４】この状態で、選択された着色樹脂供給容器
から着色樹脂の供給を開始すると、流路切替弁から流路
切替弁に至る共用着色樹脂供給路に残留していた前の着
色樹脂が流路切替弁から外排出側に排出される。流路切
替弁から外排出側に排出される着色樹脂の色が替った
ら、流路切替弁を樹脂被覆器供給側に切替える。このよ
うにすると、新たな着色樹脂が樹脂被覆器に供給され
る。In this state, when the supply of the colored resin is started from the selected colored resin supply container, the previous colored resin remaining in the common colored resin supply passage from the flow passage switching valve to the flow passage switching valve flows. It is discharged from the path switching valve to the outside discharge side. When the color of the colored resin discharged from the flow path switching valve to the outside discharge side is changed, the flow path switching valve is switched to the resin coater supply side. In this way, new colored resin is supplied to the resin coating device.
【００１５】従って、共用着色樹脂供給路，ニップル，
ダイスを交換しないで色替えをすることができる。ま
た、樹脂被覆器内の前の着色樹脂は、樹脂被覆器内着色
樹脂強制排出機構で強制排出するので、色替えを短時間
に能率よく行うことができる。Therefore, the common colored resin supply path, the nipple,
You can change the color without changing the dice. Further, since the previous colored resin in the resin coater is forcibly discharged by the colored resin forcible discharge mechanism in the resin coater, the color change can be efficiently performed in a short time.
【００１６】[0016]
【実施例】図１は、本発明に係る光ファイバ用着色樹脂
被覆装置の一実施例を示したものである。なお、前述し
た図３と対応する部分には、同一符号を付けて示してい
る。図において、１ａ，１ｂ，１ｃは異なる色の着色樹
脂２ａ，２ｂ，２ｃを供給する着色樹脂供給容器、３
ａ，３ｂ，３ｃは着色樹脂供給容器１ａ，１ｂ，１ｃに
Ｎ2 ガス等の加圧ガスを供給する個別の加圧ガス供給
路、１１ａ，１１ｂ，１１ｃは個別の加圧ガス供給路３
ａ，３ｂ，３ｃに接続されている電磁弁よりなる加圧切
替弁、１２は個別の加圧ガス供給管３ａ，３ｂ，３ｃに
Ｎ2 ガス等の加圧ガスを供給する共通の加圧ガス供給
路、１３ａ，１３ｂ，１３ｃは着色樹脂供給容器１ａ，
１ｂ，１ｃから着色樹脂２ａ，２ｂ，２ｃを個別に供給
する個別用着色樹脂供路、１４は選択された着色樹脂を
樹脂被覆器４に供給する共用着色樹脂供路、１５は個別
用着色樹脂供路１３ａ，１３ｂ，１３ｃと共用着色樹脂
供路１４との間に設けられていて個別用着色樹脂供路１
３ａ，１３ｂ，１３ｃから供給される着色樹脂の切替え
を行う供給樹脂切替弁である。該供給樹脂切替弁１５
は、個別用着色樹脂供路１３ａ，１３ｂ，１３ｃに接続
されている電磁弁１５ａ，１５ｂ，１５ｃと、電磁弁１
５ａ，１５ｂの出口間に接続されている電磁弁１５ｄ
と、電磁弁１５ｂ，１５ｃの出口間に接続されている電
磁弁１５ｅとで構成されている。電磁弁１５ｃと電磁弁
１５ｅとの各出口は、共用着色樹脂供路１４に接続され
ている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of a colored resin coating device for an optical fiber according to the present invention. The parts corresponding to those in FIG. 3 described above are designated by the same reference numerals. In the figure, 1a, 1b, 1c are colored resin supply containers for supplying colored resins 2a, 2b, 2c of different colors, 3
a, 3b and 3c are individual pressurized gas supply passages for supplying pressurized gas such as N 2 gas to the colored resin supply containers 1a, 1b and 1c, and 11a, 11b and 11c are individual pressurized gas supply passages 3
Pressurization switching valve consisting of solenoid valve connected to a, 3b, 3c, 12 is a common pressurized gas for supplying pressurized gas such as N 2 gas to individual pressurized gas supply pipes 3a, 3b, 3c Supply paths 13a, 13b, 13c are colored resin supply containers 1a,
Individual colored resin supply paths for individually supplying the colored resins 2a, 2b, 2c from 1b, 1c, 14 is a common colored resin supply path for supplying the selected colored resin to the resin coating device 4, and 15 is an individual colored resin The individual colored resin supply passage 1 is provided between the supply passages 13a, 13b, 13c and the common colored resin supply passage 14
It is a supply resin switching valve for switching the colored resin supplied from 3a, 13b, 13c. The supply resin switching valve 15
Are solenoid valves 15a, 15b, 15c connected to the individual colored resin supply paths 13a, 13b, 13c, and the solenoid valve 1
Solenoid valve 15d connected between the outlets of 5a and 15b
And an electromagnetic valve 15e connected between the outlets of the electromagnetic valves 15b and 15c. The respective outlets of the solenoid valves 15c and 15e are connected to the shared colored resin supply passage 14.
【００１７】１６は供給樹脂切替弁１５から共用着色樹
脂供給路１４を経て樹脂被覆器４の樹脂溜め部１０に供
給される着色樹脂を該樹脂被覆器４の入口側で該樹脂被
覆器４に供給するか外に排出するかの切替えを行う流路
切替弁、１７は該流路切替弁１６の外排出側に接続され
ている排出流路、１８は排出流路１７から排出される着
色樹脂を回収する回収容器である。Reference numeral 16 denotes the colored resin supplied from the supplied resin switching valve 15 to the resin reservoir portion 10 of the resin coating device 4 via the common colored resin supply passage 14 to the resin coating device 4 at the inlet side of the resin coating device 4. A flow path switching valve for switching between supply and discharge to the outside, 17 a discharge flow path connected to the outside discharge side of the flow path change valve 16, and 18 a colored resin discharged from the discharge flow path 17. Is a collection container for collecting.
【００１８】１９は樹脂被覆器４内の着色樹脂を強制的
に排出する樹脂被覆器内着色樹脂強制排出機構であっ
て、樹脂被覆器４の樹脂溜め部１０に排出弁１９ａを介
して接続された樹脂排出路１９ｂと、該樹脂排出路１９
ｂの末端が挿入されている樹脂回収容器１９ｃと、該樹
脂回収容器１９ｃ内を真空引き経路１９ｄを介して真空
引きする真空引きポンプ１９ｅとで構成されている。Reference numeral 19 denotes a colored resin forcible discharge mechanism for forcibly discharging the colored resin in the resin coater 4, which is connected to the resin reservoir 10 of the resin coater 4 via a discharge valve 19a. Resin discharge path 19b and the resin discharge path 19
It is composed of a resin recovery container 19c in which the end of b is inserted, and a vacuum pump 19e for vacuuming the inside of the resin recovery container 19c via a vacuum path 19d.
【００１９】次に、このような光ファイバ用着色樹脂被
覆装置を用いた着色樹脂の色変え方法について説明す
る。Next, a method of changing the color of the colored resin using such a colored resin coating device for an optical fiber will be described.
【００２０】一例として、着色樹脂供給容器１ａから着
色樹脂２ａを供給していた状態から、着色樹脂供給容器
１ｂから着色樹脂２ｂを供給する状態に切替える方法に
ついて説明する。As an example, a method of switching from the state in which the colored resin 2a is supplied from the colored resin supply container 1a to the state in which the colored resin 2b is supplied from the colored resin supply container 1b will be described.
【００２１】着色樹脂供給容器１ａから着色樹脂２ａを
供給している時には、加圧切替弁１１ａが開、加圧切替
弁１１ｂ，１１ｃが閉、電磁弁１５ａが開、電磁弁１５
ｂ，１５ｃが閉、電磁弁１５ｄ，１５ｅが開、流路切替
弁１６が樹脂被覆器供給側、排出弁１９ａが閉の状態に
なっている。When the colored resin 2a is being supplied from the colored resin supply container 1a, the pressure switching valve 11a is opened, the pressure switching valves 11b and 11c are closed, the solenoid valve 15a is opened, and the solenoid valve 15 is opened.
b and 15c are closed, electromagnetic valves 15d and 15e are open, the flow path switching valve 16 is in the resin coating device supply side, and the discharge valve 19a is in the closed state.
【００２２】色替えを行うに際しては、加圧切替弁１１
ａを閉として着色樹脂供給容器１ａからの着色樹脂２ａ
の供給を停止し、電磁弁１５ａ，１５ｄ，１５ｅを閉と
し、流路切替弁１６を外排出側に切替え、残圧が加わっ
ている共用着色樹脂供給路１４内の着色樹脂２ａを排出
流路１７から回収容器１８に排出させる。流路切替弁１
６を外排出側に切替えると同時か、数秒後に光ファイバ
６の走行を一時停止させる。When changing colors, the pressure switching valve 11
Colored resin 2a from colored resin supply container 1a with a closed
Is stopped, the solenoid valves 15a, 15d, 15e are closed, the flow path switching valve 16 is switched to the outside discharge side, and the colored resin 2a in the common colored resin supply path 14 under residual pressure is discharged. It is discharged from 17 into a collection container 18. Flow path switching valve 1
Simultaneously with the switching of 6 to the outside discharge side, or a few seconds later, the traveling of the optical fiber 6 is temporarily stopped.
【００２３】また、樹脂被覆器４の樹脂溜め部１０内の
着色樹脂２ａを、樹脂被覆器内着色樹脂強制排出機構１
９の排出弁１９ａを開とし、真空引きポンプ１９ｅを作
動させて樹脂回収容器１９ｃ内を真空引きすることによ
り、該樹脂回収容器１９ｃ内に回収する。これによっ
て、樹脂溜め部１０内の着色樹脂２ａの残圧により、ニ
ップル８より外部（上部）への該着色樹脂２ａの逆流や
ダイス９より外部への該着色樹脂２ａの出流が生じず、
それらの箇所で該着色樹脂２ａが団子状になるのを防止
できる。また、樹脂溜め部１０内の着色樹脂２ａの強制
排出を予め行っておくと、着色樹脂２ａから着色樹脂２
ｂへの色替えを短時間に行うことができる。The colored resin 2a in the resin reservoir 10 of the resin coater 4 is forcibly discharged from the colored resin 2a in the resin coater 1.
The discharge valve 19a of No. 9 is opened, the vacuum pump 19e is operated to evacuate the inside of the resin recovery container 19c, and the resin recovery container 19c is recovered. As a result, the residual pressure of the colored resin 2a in the resin reservoir 10 does not cause backflow of the colored resin 2a from the nipple 8 to the outside (upper part) or outflow of the colored resin 2a from the die 9 to the outside.
It is possible to prevent the colored resin 2a from forming a dumpling at those portions. In addition, if the colored resin 2a in the resin reservoir 10 is forcibly discharged in advance, the colored resin 2a will be removed from the colored resin 2a.
The color change to b can be performed in a short time.
【００２４】樹脂溜め部１０内の着色樹脂２ａの回収が
終了したら、電磁弁１５ｂ，１５ｅを開、加圧切替弁１
１ｂを開とする。この状態になると、着色樹脂供給容器
１ｂ内の着色樹脂２ｂが加圧ガスで加圧されて、該着色
樹脂供給容器１ｂ内の着色樹脂２ｂが着色樹脂供路１３
ｂを経て共用着色樹脂供給路１４に供給され、該共用着
色樹脂供給路１４内に残っていた着色樹脂２ａが排出流
路１７から回収容器１８に排出される。排出流路１７か
ら着色樹脂２ｂが排出される時間になったら、流路切替
弁１６を樹脂被覆器供給側に切替え、着色樹脂２ｂを樹
脂被覆器４の樹脂溜め部１０に供給する。流路切替弁１
６を樹脂被覆器供給側に切替えて数秒経過し、樹脂溜め
部１０内の着色樹脂２ａが着色樹脂２ｂに入れ替った
ら、真空引きポンプ１９ｅの作動を停止し、排出弁１９
ａを閉とし、光ファイバ６の低速走行を開始し、樹脂被
覆器４により着色樹脂２ｂを光ファイバ６に被覆する。When the collection of the colored resin 2a in the resin reservoir 10 is completed, the solenoid valves 15b and 15e are opened and the pressure switching valve 1 is opened.
Open 1b. In this state, the colored resin 2b in the colored resin supply container 1b is pressurized with the pressurized gas, and the colored resin 2b in the colored resin supply container 1b is supplied to the colored resin supply path 13
The colored resin 2a that has been supplied to the shared colored resin supply passage 14 via b and remains in the shared colored resin supply passage 14 is discharged from the discharge passage 17 to the collection container 18. When it is time to discharge the colored resin 2b from the discharge flow path 17, the flow path switching valve 16 is switched to the resin coater supply side, and the colored resin 2b is supplied to the resin reservoir 10 of the resin coater 4. Flow path switching valve 1
When 6 is switched to the resin coater supply side and several seconds have passed, and the colored resin 2a in the resin reservoir 10 is replaced with the colored resin 2b, the operation of the vacuum pump 19e is stopped and the discharge valve 19
A is closed, the low speed running of the optical fiber 6 is started, and the resin coating device 4 coats the colored resin 2b on the optical fiber 6.
【００２５】この場合、樹脂被覆器４を小型化すると、
色替えを更に短時間に行えて好適である。In this case, if the resin coater 4 is downsized,
It is preferable that the color can be changed in a shorter time.
【００２６】また、色替えは、色替え信号を図示しない
制御器から各弁に与えて、自動的に行うこともできる。Further, the color change can be automatically performed by giving a color change signal to each valve from a controller (not shown).
【００２７】する。To do this.
【００２８】図２は、供給樹脂切替弁１５の他の例を示
したものである。この供給樹脂切替弁１５は、ステータ
２０と、該ステータ２０に嵌合されているロータ２１と
からなり、ステータ２０には個別用着色樹脂供路１３
ａ，１３ｂ，１３ｃにつながる入口ポート２２ａ，２２
ｂ，２２ｃが設けられ、ロータ２１には該ロータ２１の
回転により入口ポート２２ａ，２２ｂ，２２ｃのいずれ
かに接続される出口ポート２３が設けられた構造になっ
ている。出口ポート２３は共用着色樹脂供給路１４に接
続されるようになっている。FIG. 2 shows another example of the supply resin switching valve 15. The supply resin switching valve 15 includes a stator 20 and a rotor 21 fitted to the stator 20, and the stator 20 has an individual colored resin supply passage 13 for the individual resin.
inlet ports 22a, 22 leading to a, 13b, 13c
b, 22c are provided, and the rotor 21 is provided with an outlet port 23 connected to any of the inlet ports 22a, 22b, 22c by the rotation of the rotor 21. The outlet port 23 is adapted to be connected to the common colored resin supply passage 14.
【００２９】[0029]
【発明の効果】以上説明したように本発明に係る光ファ
イバ用着色樹脂被覆装置は、各着色樹脂供給容器のいず
れから着色樹脂の供給をするかの切替えを行う供給樹脂
切替弁と、該供給樹脂切替弁から共用着色樹脂供給路を
経て樹脂被覆器に供給される着色樹脂を該樹脂被覆器の
入口側で該樹脂被覆器に供給するか外に排出するかの切
替えを行う流路切替弁とを備えているので、色替えをす
るときには、供給樹脂切替弁で着色樹脂供給容器の選択
をし、流路切替弁を外排出側に切替えておいて、該選択
された着色樹脂供給容器から新たな着色樹脂の供給をす
ることにより、共用着色樹脂供給路内に残っていた前の
着色樹脂を新たな着色樹脂で押して流路切替弁の外排出
側に排出させることにより、共用着色樹脂供給路の交換
をせずに該共用着色樹脂供給路内の色替えを行うことが
できる。As described above, the colored resin coating device for an optical fiber according to the present invention includes a supply resin switching valve for switching which of the colored resin supply containers supplies the colored resin, and the supply resin switching valve. A flow path switching valve for switching between supplying or discharging the colored resin supplied from the resin switching valve to the resin coating device through the shared colored resin supply passage to the resin coating device at the inlet side of the resin coating device. Therefore, when the color is changed, the colored resin supply container is selected by the supply resin switching valve, the flow path switching valve is switched to the outside discharge side, and the selected colored resin supply container is changed. By supplying new colored resin, the previous colored resin remaining in the shared colored resin supply path is pushed by the new colored resin and discharged to the outside discharge side of the flow path switching valve. The common wear without changing the road It is possible to perform the color change of the resin supply passage.
【００３０】また、樹脂被覆器には、その中の着色樹脂
を強制的に排出する樹脂被覆器内着色樹脂強制排出機構
を設けたので、色替えをするときには、流路切替弁を外
排出側に切替えておいて、樹脂被覆器内着色樹脂強制排
出機構を作動させることにより、該樹脂被覆器内の残留
着色樹脂を強制排出することができ、ニップル，ダイス
を交換しないで該樹脂被覆器内の色替えを短時間に行う
ことができる。Further, the resin coating device is provided with a colored resin forcible discharge mechanism for forcibly discharging the colored resin in the resin coating device. The residual colored resin in the resin coater can be forcibly discharged by operating the colored resin forced discharge mechanism in the resin coater after switching to the The color can be changed in a short time.
【００３１】従って、本発明によれば、着色樹脂の色替
えを、容易に、能率よく行うことができる。また、この
装置によれば、色替えの自動化も容易に行うことができ
る。Therefore, according to the present invention, it is possible to easily and efficiently change the color of the colored resin. Further, according to this apparatus, the color change can be easily automated.
【図１】本発明に係る光ファイバ用着色樹脂被覆装置の
一実施例の概略構成を示す縦断面図である。FIG. 1 is a vertical sectional view showing a schematic configuration of an embodiment of a colored resin coating device for an optical fiber according to the present invention.
【図２】本発明で用いる流路切替弁の他の例を示す斜視
図である。FIG. 2 is a perspective view showing another example of the flow path switching valve used in the present invention.
【図３】従来の光ファイバ用着色樹脂被覆装置の概略構
成を示す縦断面図である。FIG. 3 is a longitudinal sectional view showing a schematic configuration of a conventional colored resin coating device for an optical fiber.
１ａ，１ｂ，１ｃ 着色樹脂供給容器 ２ａ，２ｂ，２ｃ 着色樹脂 ３ａ，３ｂ，３ｃ 個別の加圧ガス供給路 ４ 樹脂被覆器 ６ 光ファイバ ７ ホルダ ８ ニップル ９ ダイス １０ 樹脂溜め部 １１ａ，１１ｂ，１１ｃ 加圧切替弁 １２ 共通の加圧ガス供給路 １３ａ，１３ｂ，１３ｃ 個別用着色樹脂供路 １４ 共用着色樹脂供路 １５ 供給樹脂切替弁 １５ａ，１５ｂ，１５ｃ，１５ｄ，１５ｅ 電磁弁 １６ 流路切替弁 １７ 排出流路 １８ 回収容器 １９ 樹脂被覆器内着色樹脂強制排出機構 １９ａ 排出弁 １９ｂ 樹脂排出路 １９ｃ 樹脂回収容器 １９ｄ 真空引き経路 １９ｅ 真空引きポンプ 1a, 1b, 1c Colored resin supply container 2a, 2b, 2c Colored resin 3a, 3b, 3c Individual pressurized gas supply path 4 Resin coating device 6 Optical fiber 7 Holder 8 Nipple 9 Dice 10 Resin reservoir 11a, 11b, 11c Pressurized switching valve 12 Common pressurized gas supply path 13a, 13b, 13c Individual colored resin supply path 14 Shared colored resin supply path 15 Supply resin switching valve 15a, 15b, 15c, 15d, 15e Solenoid valve 16 Flow path switching valve 17 Discharge Flow Path 18 Recovery Container 19 Colored Resin Forced Discharge Mechanism in Resin Coater 19a Discharge Valve 19b Resin Discharge Path 19c Resin Recovery Container 19d Vacuum Evacuation Path 19e Vacuum Evacuation Pump
Claims (1)
脂被覆器にいずれかの色の着色樹脂を供給してその着色
樹脂を該樹脂被覆器で光ファイバに被覆する光ファイバ
用着色樹脂被覆装置において、 前記各着色樹脂供給容器のいずれから前記着色樹脂の供
給をするかの切替えを行う供給樹脂切替弁と、該供給樹
脂切替弁から共用着色樹脂供給路を経て前記樹脂被覆器
に供給される前記着色樹脂を該樹脂被覆器の入口側で該
樹脂被覆器に供給するか外に排出するかの切替えを行う
流路切替弁と、前記樹脂被覆器内の前記着色樹脂を強制
的に排出する樹脂被覆器内着色樹脂強制排出機構とを備
えていることを特徴とする光ファイバ用着色樹脂被覆装
置。1. A colored resin coating for an optical fiber, wherein a colored resin of any color is selectively supplied from a plurality of colored resin supply containers to a resin coating device and the colored resin is coated on the optical fiber by the resin coating device. In the device, a supply resin switching valve for switching which of the respective colored resin supply containers supplies the color resin is supplied, and the supply resin switching valve supplies the resin coating device through a shared color resin supply passage. A flow path switching valve that switches between supplying or discharging the colored resin on the inlet side of the resin coating device to the resin coating device and forcibly discharging the colored resin inside the resin coating device. A colored resin coating device for an optical fiber, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04273966A JP3088860B2 (en) | 1992-10-13 | 1992-10-13 | Colored resin coating device for optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04273966A JP3088860B2 (en) | 1992-10-13 | 1992-10-13 | Colored resin coating device for optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06122535A true JPH06122535A (en) | 1994-05-06 |
| JP3088860B2 JP3088860B2 (en) | 2000-09-18 |
Family
ID=17535062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04273966A Expired - Fee Related JP3088860B2 (en) | 1992-10-13 | 1992-10-13 | Colored resin coating device for optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3088860B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10167771A (en) * | 1996-12-02 | 1998-06-23 | Furukawa Electric Co Ltd:The | Device for tinting optical fiber |
| JP2006091887A (en) * | 2004-09-22 | 2006-04-06 | Furukawa Electric North America Inc | System and method for manufacturing color-coated optical fiber |
| WO2010106825A1 (en) | 2009-03-16 | 2010-09-23 | 古河電気工業株式会社 | Washing method for coloring device for optical fiber and coloring device for optical fiber |
| CN111153604A (en) * | 2020-03-10 | 2020-05-15 | 合肥大成通信设备有限公司 | Optical fiber coloring mold with circulating ink supply system |
-
1992
- 1992-10-13 JP JP04273966A patent/JP3088860B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10167771A (en) * | 1996-12-02 | 1998-06-23 | Furukawa Electric Co Ltd:The | Device for tinting optical fiber |
| JP2006091887A (en) * | 2004-09-22 | 2006-04-06 | Furukawa Electric North America Inc | System and method for manufacturing color-coated optical fiber |
| EP1640347A3 (en) * | 2004-09-22 | 2006-05-31 | Furukawa Electric North America Inc. | Apparatus and method for manufacturing colour-coated optical fibre |
| CN100449346C (en) * | 2004-09-22 | 2009-01-07 | 古河电子北美公司 | System and method for manufacturing color-coated optical fiber |
| US7591904B2 (en) | 2004-09-22 | 2009-09-22 | Fueukawa Electric North America, Inc. | System and method for manufacturing color-coated optical fiber |
| WO2010106825A1 (en) | 2009-03-16 | 2010-09-23 | 古河電気工業株式会社 | Washing method for coloring device for optical fiber and coloring device for optical fiber |
| US8491725B2 (en) | 2009-03-16 | 2013-07-23 | Furukawa Electric Co., Ltd. | Cleaning method of coloring device of optical fiber, and coloring device of optical fiber |
| EP2410363A4 (en) * | 2009-03-16 | 2017-12-13 | Furukawa Electric Co., Ltd. | Washing method for coloring device for optical fiber and coloring device for optical fiber |
| CN111153604A (en) * | 2020-03-10 | 2020-05-15 | 合肥大成通信设备有限公司 | Optical fiber coloring mold with circulating ink supply system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3088860B2 (en) | 2000-09-18 |
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| LAPS | Cancellation because of no payment of annual fees |