DE3208824A1 - Verfahren und vorrichtung zum einleiten eines dampfstroms in ein rotierendes, zur herstellung eines lichtfaservorformlings verwendetes rohr - Google Patents
Verfahren und vorrichtung zum einleiten eines dampfstroms in ein rotierendes, zur herstellung eines lichtfaservorformlings verwendetes rohrInfo
- Publication number
- DE3208824A1 DE3208824A1 DE19823208824 DE3208824A DE3208824A1 DE 3208824 A1 DE3208824 A1 DE 3208824A1 DE 19823208824 DE19823208824 DE 19823208824 DE 3208824 A DE3208824 A DE 3208824A DE 3208824 A1 DE3208824 A1 DE 3208824A1
- Authority
- DE
- Germany
- Prior art keywords
- pipe
- fluid
- rotating
- rotary joint
- rotating 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
- 238000000034 method Methods 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000000835 fiber Substances 0.000 title claims description 8
- 230000000977 initiatory effect Effects 0.000 title 1
- 239000012530 fluid Substances 0.000 claims description 27
- 239000012159 carrier gas Substances 0.000 claims description 11
- 239000012080 ambient air Substances 0.000 claims description 9
- 239000007858 starting material Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000007496 glass forming Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910003902 SiCl 4 Inorganic materials 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000001301 oxygen Substances 0.000 description 14
- 229910052760 oxygen Inorganic materials 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 239000011521 glass Substances 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/045—Tools or apparatus specially adapted for re-forming tubes or rods in general, e.g. glass lathes, chucks
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01884—Means for supporting, rotating and translating tubes or rods being formed, e.g. lathes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints; Joints allowing movement
- F16L27/08—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/0804—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
- F16L27/0808—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
- F16L27/0812—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with slide bearings
- F16L27/0816—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with slide bearings having radial sealing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/242,775 US4347069A (en) | 1981-03-11 | 1981-03-11 | Method of supplying fluid to a rotating tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3208824A1 true DE3208824A1 (de) | 1982-11-04 |
| DE3208824C2 DE3208824C2 (OSRAM) | 1991-05-29 |
Family
ID=22916138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823208824 Granted DE3208824A1 (de) | 1981-03-11 | 1982-03-11 | Verfahren und vorrichtung zum einleiten eines dampfstroms in ein rotierendes, zur herstellung eines lichtfaservorformlings verwendetes rohr |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4347069A (OSRAM) |
| JP (2) | JPS57160931A (OSRAM) |
| CA (1) | CA1166285A (OSRAM) |
| DE (1) | DE3208824A1 (OSRAM) |
| FR (1) | FR2501668B1 (OSRAM) |
| GB (1) | GB2094291B (OSRAM) |
| NL (1) | NL190113C (OSRAM) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2504230A1 (fr) * | 1981-04-21 | 1982-10-22 | Lignes Telegraph Telephon | Dispositif d'etancheite tournant et dispositif de fabrication de fibres optiques comportant un tel dispositif d'etancheite |
| US4501442A (en) * | 1981-06-01 | 1985-02-26 | At&T Technologies, Inc. | Apparatus for supplying fluid to a rotating tube |
| US4389231A (en) * | 1981-06-01 | 1983-06-21 | Western Electric Company, Inc. | Method for supplying fluid to a rotating tube |
| US4526599A (en) * | 1981-08-28 | 1985-07-02 | At&T Bell Laboratories | Optical fiber fabrication process |
| US4516787A (en) * | 1982-11-10 | 1985-05-14 | At&T Technologies, Inc. | Lightguide preform chuck |
| US5246734A (en) * | 1986-05-05 | 1993-09-21 | Dow Corning Corporation | Amorphous silicon hermetic coatings for optical wave guides |
| US4778500A (en) * | 1987-08-11 | 1988-10-18 | Research Foundation Of The City University Of New York | Laser initiated chain reactions for producing a sintered product |
| FI83762C (fi) * | 1989-10-05 | 1991-08-26 | Nokia Kaapeli Oy | Skarvstycke vid framstaellning av ett aemne foer en optisk fiber. |
| US5417399A (en) * | 1991-06-19 | 1995-05-23 | Sumitomo Electric Industries, Ltd. | Apparatus for supporting article in heating furnace |
| FR2776997B1 (fr) * | 1998-04-06 | 2000-05-12 | Alsthom Cge Alcatel | Dispositif de fabrication d'une preforme de fibre optique comprenant une bague pour pieger et diffuser un rayonnement lumineux |
| US6210487B1 (en) * | 1999-08-26 | 2001-04-03 | Lucent Technologies Inc. | Disposable seal system with integral buffer |
| US6430967B1 (en) * | 1999-10-26 | 2002-08-13 | Fitel Usa Corp. | Pressure monitoring system using disposable seals |
| US7305308B2 (en) * | 2003-07-01 | 2007-12-04 | Northwestern University | Gas flow method for detection of preform defects based on transient pressure measurement |
| US20070096403A1 (en) * | 2006-03-06 | 2007-05-03 | Sterlite Optical Technologies Ltd | Apparatus and method for fabricating optical fiber preform. |
| NL2014519B1 (en) * | 2015-03-25 | 2017-01-25 | Draka Comteq Bv | A rotary feed-through for mounting a rotating substrate tube in a lathe, a CVD lathe and a corresponding method using the CVD lathe. |
| JP2017065967A (ja) * | 2015-09-30 | 2017-04-06 | 株式会社フジクラ | ガラスの製造方法および光ファイバ母材の製造方法 |
| JP7189776B2 (ja) * | 2017-02-15 | 2022-12-14 | 古河電気工業株式会社 | 横型旋盤 |
| US10968133B2 (en) | 2017-11-30 | 2021-04-06 | Corning Incorporated | Methods for minimizing SHR in glass articles by producing a gas flow during pharmaceutical part converting |
| US11186513B2 (en) | 2017-11-30 | 2021-11-30 | Corning Incorporated | Systems and methods for minimizing SHR from pharmaceutical part converting using negative pressure evacuation |
| US11339079B2 (en) | 2017-11-30 | 2022-05-24 | Corning Incorporated | Systems and methods for minimizing SHR from pharmaceutical part converting using pulsed ejection |
| US11420893B2 (en) * | 2017-11-30 | 2022-08-23 | Corning Incorporated | Systems and methods for minimizing SHR from piercing during pharmaceutical part converting using a gas flow |
| CN118724451B (zh) * | 2024-09-04 | 2024-12-24 | 武汉光盛通光电科技有限公司 | 一种用于制备光纤预制棒的旋转接头连接结构 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2907731A1 (de) * | 1979-02-28 | 1980-09-04 | Siemens Ag | Verfahren zur herstellung eines glasfaser-lichtwellenleiters |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1840127A (en) * | 1928-03-27 | 1932-01-05 | Westinghouse Electric & Mfg Co | Sealing gland for rotatable shafts |
| US3057646A (en) * | 1959-12-23 | 1962-10-09 | Brumagim Ivan Stanley | Rotary seal with cooling means |
| US3272516A (en) * | 1963-12-31 | 1966-09-13 | Westinghouse Electric Corp | Pressurized seals for the shafts of fans |
| US3889983A (en) * | 1974-04-15 | 1975-06-17 | Duff Norton Co | Rotary fluid joint |
| US4140505A (en) * | 1976-07-12 | 1979-02-20 | International Standard Electric Corporation | Method of manufacturing a limited mode optical fiber |
| GB1529756A (en) * | 1976-03-18 | 1978-10-25 | Standard Telephones Cables Ltd | Rotary gas seal |
| US4203743A (en) * | 1976-09-20 | 1980-05-20 | Hitachi, Ltd. | Method of producing optical fiber |
| JPS5590433A (en) * | 1978-12-28 | 1980-07-09 | Fujitsu Ltd | Preparation of optical fiber |
| US4317667A (en) * | 1981-01-05 | 1982-03-02 | Western Electric Co., Inc. | Method and apparatus for fabricating lightguide preforms |
-
1981
- 1981-03-11 US US06/242,775 patent/US4347069A/en not_active Expired - Lifetime
-
1982
- 1982-03-05 FR FR8203713A patent/FR2501668B1/fr not_active Expired
- 1982-03-08 CA CA000397800A patent/CA1166285A/en not_active Expired
- 1982-03-09 GB GB8206925A patent/GB2094291B/en not_active Expired
- 1982-03-10 NL NLAANVRAGE8200999,A patent/NL190113C/xx not_active IP Right Cessation
- 1982-03-11 JP JP57037327A patent/JPS57160931A/ja active Granted
- 1982-03-11 DE DE19823208824 patent/DE3208824A1/de active Granted
-
1990
- 1990-11-21 JP JP2314498A patent/JPH03215326A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2907731A1 (de) * | 1979-02-28 | 1980-09-04 | Siemens Ag | Verfahren zur herstellung eines glasfaser-lichtwellenleiters |
Also Published As
| Publication number | Publication date |
|---|---|
| NL190113C (nl) | 1993-11-01 |
| CA1166285A (en) | 1984-04-24 |
| JPH0366262B2 (OSRAM) | 1991-10-16 |
| NL8200999A (nl) | 1982-10-01 |
| GB2094291A (en) | 1982-09-15 |
| JPH0411493B2 (OSRAM) | 1992-02-28 |
| JPH03215326A (ja) | 1991-09-20 |
| JPS57160931A (en) | 1982-10-04 |
| FR2501668A1 (fr) | 1982-09-17 |
| GB2094291B (en) | 1984-09-26 |
| US4347069A (en) | 1982-08-31 |
| FR2501668B1 (fr) | 1985-12-27 |
| NL190113B (nl) | 1993-06-01 |
| DE3208824C2 (OSRAM) | 1991-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: JACKISCH, W., DIPL.-ING., PAT.-ANW. KERKHOF, M., R |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |