JPS61197440A - Optical fiber drawer - Google Patents
Optical fiber drawerInfo
- Publication number
- JPS61197440A JPS61197440A JP3600785A JP3600785A JPS61197440A JP S61197440 A JPS61197440 A JP S61197440A JP 3600785 A JP3600785 A JP 3600785A JP 3600785 A JP3600785 A JP 3600785A JP S61197440 A JPS61197440 A JP S61197440A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- preform
- fiber preform
- end surface
- heating
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
- C03B23/207—Uniting glass rods, glass tubes, or hollow glassware
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
- C03B37/02736—Means for supporting, rotating or feeding the tubes, rods, fibres or filaments to be drawn, e.g. fibre draw towers, preform alignment, butt-joining preforms or dummy parts during feeding
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/30—Means for continuous drawing from a preform
Abstract
Description
【発明の詳細な説明】 〔技術分野〕 本発明は光ファイバ線引装置に関するものである。[Detailed description of the invention] 〔Technical field〕 The present invention relates to an optical fiber drawing device.
従来使用されている光ファイバの線引装置は、光ファイ
バプリフォームを保持し、これを加熱装置へ定速度で送
り出す送出装置と、該送出装置により送り出された前記
光ファイバプリフォームを加熱溶融する加熱装置とを有
している。そして光ファイバは前記加熱装置により溶融
された前記光ファイバプリフォームの溶融部から引取機
により引き出される。Conventionally used optical fiber drawing devices include a delivery device that holds an optical fiber preform and sends it out at a constant speed to a heating device, and a heating device that heats and melts the optical fiber preform sent out by the delivery device. It has a heating device. Then, the optical fiber is pulled out by a pulling machine from the melted portion of the optical fiber preform melted by the heating device.
ところで、前記′従来の光ファイバ線引装置はバッチ式
で、線引する光ファイバプリフォームを連続供給できな
い。そのため、１本の光ファイバプリフォームの線引が
終了すると、次ぎの光ファイバプリフォームを前記送出
装置に保持させる等の段取が必要となる。このように従
来の光ファイバ線引装置にあっては、光ファイバプリフ
ォーム１本毎に段取時間が必要となり、線引効率が悪い
という問題がある。By the way, the conventional optical fiber drawing apparatus described above is of a batch type and cannot continuously supply optical fiber preforms to be drawn. Therefore, when the drawing of one optical fiber preform is completed, it is necessary to take steps such as having the delivery device hold the next optical fiber preform. As described above, the conventional optical fiber drawing apparatus requires setup time for each optical fiber preform, which poses a problem of poor drawing efficiency.
前記問題に鑑み本発明の目的は、光ファイバプリフォー
ムの連続線引のできる光ファイバ線引装置を提供するこ
とにある。In view of the above problems, an object of the present invention is to provide an optical fiber drawing apparatus that can continuously draw optical fiber preforms.
前記目的を達成すべく本発明の光ファイバ線引装置は、
光ファイバプリフォームを送出装置により加熱装置内に
送り込み、送り込まれた前記光ファイバプリフォームを
前記加熱装置により加熱し、この加熱により溶融された
前記光ファイバプリフォームの溶融部から光ファイバを
引き出す光ファイバ線引装置であって、前記送出装置の
後方には、該送出装置により送り出されている光ファイ
バプリフォームと同軸状に別の光ファイバプリフォーム
を保持し、かつ該別の光ファイバプリフォームを引き下
げこれの前端面を前記送出装置により送り出されている
光ファイバプリフォームの後端面に圧着させる引下装置
が設けられていることを特徴とするものである。In order to achieve the above object, the optical fiber drawing device of the present invention has the following features:
Light for feeding an optical fiber preform into a heating device by a delivery device, heating the fed optical fiber preform by the heating device, and pulling out an optical fiber from a molten part of the optical fiber preform melted by this heating. A fiber drawing device, which holds another optical fiber preform coaxially with the optical fiber preform being sent out by the sending device, and the other optical fiber preform is held at the rear of the sending device. The optical fiber preform is characterized in that it is provided with a pulling device which pulls down the optical fiber preform and press-bonds its front end surface to the rear end surface of the optical fiber preform being sent out by the sending device.
〔発明の実施例〕 本発明の実施例を図を参照して詳細に説明する。[Embodiments of the invention] Embodiments of the present invention will be described in detail with reference to the drawings.
第１図は本発明の一実施例を示している。本図により本
発明の光ファイバ線引装置による一連の線引動作を説明
する。符号ＩＡは線引中の光ファイバプリフォームで、
送出装置２により保持され、定速度で下方の加熱装置３
へと送り出されている。FIG. 1 shows an embodiment of the invention. A series of drawing operations by the optical fiber drawing apparatus of the present invention will be explained with reference to this figure. The code IA is the optical fiber preform being drawn,
Heating device 3 held by the delivery device 2 and lowered at a constant speed
being sent to.
送出装置２は図示されていない駆動装置により駆動され
る駆動輪４．４と、ベルト５により構成されている。も
ちろん、これとは別の送出装置２を用いてもよいことは
いうまでもない。前記送出装置２により加熱装置３へと
送り出された光ファイバプリフォームＩＡは、加熱装置
３内で加熱され、該加熱により溶融した前記光ファイバ
プリフォームＩＡの溶融部からこれも図示されていない
引取機により光ファイバ６が線引される。そして前記光
ファイバプリフォームＩＡＯ後端面７が所定の位置まで
下降した時点で、予め準備しておいた別の光ファイバプ
リフォームＩＢを、図示されていない駆動装置により駆
動される駆動ロール８．８−・−・−１８よりなり、前
記送出装置２の後方、すなわち、光ファイバプリフォー
ムＩＡの後端面７の後方に設けられている引下装置９に
、前記光ファイバプリフォームＩＡと同軸状に保持させ
る。仁の状態で、前記光ファイバプリフォームＬＡの後
端面７と前記光ファイバプリフォームｌＢの前端面１０
とをバーナ１１、バーナ１２でそれぞれ所定温度まで加
熱後、前記光ファイバプリフォームＬＢを引下装置９に
より矢印Ｃ方向に下降せしめ、光ファイバプリフォーム
ＩＡの後端面７と光ファイバプリフォームＩＢの前端面
ｌＯとを圧着せしめる。The delivery device 2 is composed of a drive wheel 4.4 driven by a drive device (not shown) and a belt 5. Of course, it goes without saying that a different delivery device 2 may be used. The optical fiber preform IA sent out to the heating device 3 by the sending device 2 is heated in the heating device 3, and taken out from the melted part of the optical fiber preform IA, which is also not shown. The optical fiber 6 is drawn by the machine. When the rear end surface 7 of the optical fiber preform IAO has descended to a predetermined position, another optical fiber preform IB prepared in advance is moved to a drive roll 8.8 driven by a drive device (not shown). -.--18, which is connected coaxially with the optical fiber preform IA to a pull-down device 9 provided at the rear of the delivery device 2, that is, at the rear of the rear end surface 7 of the optical fiber preform IA. hold it. In the straight state, the rear end surface 7 of the optical fiber preform LA and the front end surface 10 of the optical fiber preform IB
After heating the optical fiber preform LB to a predetermined temperature using the burners 11 and 12, the optical fiber preform LB is lowered in the direction of the arrow C by the pull-down device 9, and the rear end surface 7 of the optical fiber preform IA and the optical fiber preform IB are separated. The front end surface lO is crimped.
このように両光ファイバプリフォームＩＡ、ＩＢを圧着
せしめたら、引下装置９より光ファイバプリフォームＩ
Ｂを離す。この一連の動作を次々に行うことにより光フ
ァイバプリフォームｌの連続線引を行う。尚、符号１５
は外径測定器で、これにより光ファイバ６の外径を測定
し、図示されていない引取機の速度調整等を行う。After the optical fiber preforms IA and IB are crimped together in this way, the optical fiber preform I is pulled down from the pulling device 9.
Release B. By performing this series of operations one after another, the optical fiber preform I is continuously drawn. In addition, code 15
1 is an outer diameter measuring device that measures the outer diameter of the optical fiber 6 and adjusts the speed of a pulling machine (not shown).
以上の如く、本発明にあっては、送出装置２の後方に、
次ぎに線引する光ファイバプリフォームＩＢを供給する
ための引下装置９を設けたことにより、光ファイバプリ
フォームｌを連続的に加熱装置３へと供給でき、もって
光ファイバ６の連続線引が可能となる。As described above, in the present invention, behind the sending device 2,
By providing the pulling down device 9 for supplying the optical fiber preform IB to be drawn next, the optical fiber preform I can be continuously supplied to the heating device 3, thereby allowing continuous drawing of the optical fiber 6. becomes possible.
以上の如く本発明によれば、複数本の光ファイバプリフ
ォームを連続的に供給できるため光ファイバの連続線引
ができ、もって光ファイバの線引効率が大幅に向上する
。As described above, according to the present invention, since a plurality of optical fiber preforms can be continuously supplied, optical fibers can be drawn continuously, thereby greatly improving the efficiency of drawing optical fibers.
第１図は本発明の一実施例を示す概略図である。
ＩＡ、ＩＢ−・−光ファイバブリフオーム ２・・・
−送出装置 ３−・−加熱装置 ６−・・・−光フ
ァイバ ７−・−後端面 ９ ・−・・−引下装置
１０・−−一−−前端面FIG. 1 is a schematic diagram showing an embodiment of the present invention. IA, IB--Optical fiber brief 2...
-Delivery device 3--Heating device 6--Optical fiber 7--Rear end surface 9 --- Pulling device 10---1--Front end surface
Claims (1)
送り込み、送り込まれた前記光ファイバプリフォームを
前記加熱装置により加熱し、この加熱により溶融された
前記光ファイバプリフォームの溶融部から光ファイバを
引き出す光ファイバ線引装置であって、前記送出装置の
後方には、該送出装置により送り出されている光ファイ
バプリフォームと同軸状に別の光ファイバプリフォーム
を保持し、かつ該別の光ファイバプリフォームを引き下
げこれの前端面を前記送出装置により送り出されている
光ファイバプリフォームの後端面に圧着させる引下装置
が設けられていることを特徴とする光ファイバ線引装置
。Light for feeding an optical fiber preform into a heating device by a delivery device, heating the fed optical fiber preform by the heating device, and pulling out an optical fiber from a molten part of the optical fiber preform melted by this heating. A fiber drawing device, which holds another optical fiber preform coaxially with the optical fiber preform being sent out by the sending device, and the other optical fiber preform is held at the rear of the sending device. 1. An optical fiber drawing device, comprising: a pull-down device that pulls down the front end surface of the optical fiber preform and press-fits the front end surface thereof to the rear end surface of the optical fiber preform being fed out by the feeding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3600785A JPS61197440A (en) | 1985-02-25 | 1985-02-25 | Optical fiber drawer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3600785A JPS61197440A (en) | 1985-02-25 | 1985-02-25 | Optical fiber drawer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61197440A true JPS61197440A (en) | 1986-09-01 |
Family
ID=12457708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3600785A Pending JPS61197440A (en) | 1985-02-25 | 1985-02-25 | Optical fiber drawer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61197440A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1057793A1 (en) * | 1999-05-27 | 2000-12-06 | Lucent Technologies Inc. | Process for joining refractory dielectric bodies, in particular silica glass preforms |
| KR100505940B1 (en) * | 2001-03-21 | 2005-08-05 | 광주과학기술원 | Method and apparatus for drawing a plastic optical fiber by using a preform |
| JP2007085587A (en) * | 2005-09-20 | 2007-04-05 | Nitta Ind Corp | Outlet filter unit with built-in high-performance air filter |
-
1985
- 1985-02-25 JP JP3600785A patent/JPS61197440A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1057793A1 (en) * | 1999-05-27 | 2000-12-06 | Lucent Technologies Inc. | Process for joining refractory dielectric bodies, in particular silica glass preforms |
| US6305195B1 (en) | 1999-05-27 | 2001-10-23 | Agere Systems Guardian Corp. | Process for fabricating silica article involving joining of discrete bodies |
| KR100505940B1 (en) * | 2001-03-21 | 2005-08-05 | 광주과학기술원 | Method and apparatus for drawing a plastic optical fiber by using a preform |
| JP2007085587A (en) * | 2005-09-20 | 2007-04-05 | Nitta Ind Corp | Outlet filter unit with built-in high-performance air filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016069828A1 (en) | Method and apparatus for sealing the edge of a glass article | |
| AU6697790A (en) | Fabrication of fibre optic components | |
| JPS61197440A (en) | Optical fiber drawer | |
| US20040163421A1 (en) | Electric furnace extension method and extension apparatus for optical fiber glass preform | |
| US6789398B1 (en) | Mold incorporating a heat source and apparatus and method for using such molds | |
| KR101441756B1 (en) | Method and device for drawing glass preform | |
| JP2008120643A (en) | Method for manufacturing optical fiber and manufacturing apparatus | |
| JP2011140412A (en) | Glass preform drawing apparatus and method for drawing glass preform | |
| JPH05279067A (en) | Stretching method and stretching device for optical fiber base material | |
| JP3779355B2 (en) | Optical fiber drawing method and apparatus | |
| JP2002293564A (en) | Method for drawing optical fiber preform and drawing device | |
| US3767372A (en) | Apparatus for manufacturing a multi-filament light conducting cable | |
| CN209456289U (en) | A kind of U-shaped device for shaping glass | |
| JPH0794331B2 (en) | Quartz tube or quartz rod manufacturing method | |
| US2348035A (en) | Apparatus for making beads | |
| JPH05116983A (en) | Drawing method for optical fiber | |
| JPS57160934A (en) | Base material feeder of optical fiber drawer | |
| CN105084753A (en) | Wire drawing pretreatment device and method of optical fiber preform | |
| TW369590B (en) | Method of feeding continuous strip, method of controlling the feed, and method and apparatus for manufacturing tube or vessel having outer flange portion on tubular portion by using the feed and feed control method | |
| JPS62210410A (en) | Method and device for manufacturing optical multiplexer and demultiplexer | |
| JP3529264B2 (en) | Electric furnace stretching method and stretching apparatus for glass preform for optical fiber | |
| CN210415561U (en) | A child base coiled material connecting device for producing waterproofing membrane | |
| CN209381387U (en) | A kind of automatic material-changing device of 3D printer | |
| JP3393594B2 (en) | Method and apparatus for stretching glass base material | |
| JPH04325428A (en) | Production of optical fiber preform |