JPH0418626U - - Google Patents
Info
- Publication number
- JPH0418626U JPH0418626U JP5797390U JP5797390U JPH0418626U JP H0418626 U JPH0418626 U JP H0418626U JP 5797390 U JP5797390 U JP 5797390U JP 5797390 U JP5797390 U JP 5797390U JP H0418626 U JPH0418626 U JP H0418626U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- shaft
- shaft insertion
- port
- base material
- 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
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 238000009530 blood pressure measurement Methods 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 210000004907 gland Anatomy 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004071 soot Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 3
- 239000013307 optical fiber Substances 0.000 claims 3
- 239000011521 glass Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
Landscapes
- Manufacture, Treatment Of Glass Fibers (AREA)
Description
第1図は本考案の装置の実施例の縦断面図の一
部を示し、第2図は従来の装置の種棒導入部の説
明図である。
符号、1……種棒、2……スート母材、3……
炉心管、4……蓋体、41……軸挿通口、42…
…フランジ、44……排気口、45……内圧測定
口、5……炭素繊維編組グランドパツキン、6…
…パツキン押えナツト、9……支持筒、11……
押え具。
FIG. 1 shows a part of a vertical cross-sectional view of an embodiment of the device of the present invention, and FIG. 2 is an explanatory view of the seed rod introduction part of the conventional device. Code, 1... Seed rod, 2... Soot base material, 3...
Furnace core tube, 4... Lid body, 41... Shaft insertion port, 42...
...Flange, 44...Exhaust port, 45...Internal pressure measurement port, 5...Carbon fiber braided gland packing, 6...
...Packing nut, 9...Support tube, 11...
Presser foot.
Claims (1)
通口と排気口とを備え、該軸挿通口にガラス微粒
子を堆積したスート母材を先端に付着した回転、
昇降可能な軸を挿通し、該軸挿通部を炭素繊維編
組グランドパツキンにより密封したことを特徴と
する光フアイバ母材製造装置。 (2) 蓋体が押え具により炉心管の上面に押えら
れていることを特徴とする請求項(1)記載の光フ
アイバ母材製造装置。 (3) 蓋体に炉心管内部のガス圧測定用の内圧測
定口が設けられていることを特徴とする請求項(1
)又は(2)記載の光フアイバ母材製造装置。[Scope of Claim for Utility Model Registration] (1) A lid body that airtightly contacts the upper surface of the reactor core tube is provided with a shaft insertion port and an exhaust port, and a soot base material in which glass particles are deposited is attached to the tip of the shaft insertion port. rotation,
1. An optical fiber preform manufacturing apparatus, characterized in that a shaft that can be raised and lowered is inserted through the shaft, and the shaft insertion portion is sealed with a carbon fiber braided gland packing. (2) The optical fiber preform manufacturing apparatus according to claim (1), wherein the lid is pressed against the upper surface of the furnace tube by a presser. (3) Claim (1) characterized in that the lid body is provided with an internal pressure measurement port for measuring gas pressure inside the reactor core tube.
) or (2) the optical fiber base material manufacturing device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5797390U JPH0418626U (en) | 1990-05-31 | 1990-05-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5797390U JPH0418626U (en) | 1990-05-31 | 1990-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0418626U true JPH0418626U (en) | 1992-02-17 |
Family
ID=31583170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5797390U Pending JPH0418626U (en) | 1990-05-31 | 1990-05-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0418626U (en) |
-
1990
- 1990-05-31 JP JP5797390U patent/JPH0418626U/ja active Pending
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