DE3406475A1 - Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter - Google Patents
Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiterInfo
- Publication number
- DE3406475A1 DE3406475A1 DE3406475A DE3406475A DE3406475A1 DE 3406475 A1 DE3406475 A1 DE 3406475A1 DE 3406475 A DE3406475 A DE 3406475A DE 3406475 A DE3406475 A DE 3406475A DE 3406475 A1 DE3406475 A1 DE 3406475A1
- Authority
- DE
- Germany
- Prior art keywords
- mold
- porous body
- shaped
- filling
- pressure
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 52
- 239000011521 glass Substances 0.000 title claims description 39
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 230000007774 longterm Effects 0.000 title 1
- 239000000463 material Substances 0.000 claims description 47
- 238000011049 filling Methods 0.000 claims description 39
- 238000003825 pressing Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 19
- 239000007858 starting material Substances 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000005429 filling process Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims 1
- 238000000137 annealing Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 description 24
- 239000000835 fiber Substances 0.000 description 8
- 239000011162 core material Substances 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 210000004127 vitreous body Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass
- C03B37/01282—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by pressing or sintering, e.g. hot-pressing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/06—Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/09—Other methods of shaping glass by fusing powdered glass in a shaping mould
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Dispersion Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Melting And Manufacturing (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3406475A DE3406475A1 (de) | 1984-02-23 | 1984-02-23 | Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter |
| EP85101199A EP0153619B1 (de) | 1984-02-23 | 1985-02-06 | Verfahren zur Herstellung eines länglichen Glaskörpers, insbesondere einer Vorform für Lichtwellenleiter |
| DE8585101199T DE3563529D1 (en) | 1984-02-23 | 1985-02-06 | Method of making a long glass body, particularly a preform for optical light guides |
| US06/703,793 US4620862A (en) | 1984-02-23 | 1985-02-21 | Process of fabricating an elongated glass body particularly a preform for optical waveguides |
| JP60034291A JPS60210539A (ja) | 1984-02-23 | 1985-02-22 | 細長いガラス体、特に光導波体用プレフオ−ムの製造方法および装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3406475A DE3406475A1 (de) | 1984-02-23 | 1984-02-23 | Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3406475A1 true DE3406475A1 (de) | 1985-08-29 |
Family
ID=6228544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3406475A Withdrawn DE3406475A1 (de) | 1984-02-23 | 1984-02-23 | Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter |
Country Status (3)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3518142A1 (de) * | 1985-05-21 | 1986-11-27 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren zur herstellung eines laenglichen glaskoerpers, insbesondere einer vorform fuer lichtwellenleiter |
| DE3624918A1 (de) * | 1986-07-23 | 1988-01-28 | Standard Elektrik Lorenz Ag | Verfahren zum herstellen von lichtwellenleitern, ausgehend von pulverfoermigem glasausgangsmaterial |
| DE3886251T2 (de) * | 1987-04-24 | 1994-07-21 | Tosoh Corp | Quarzglas von hoher Härte und Verfahren zu dessen Herstellung. |
| DE3924288A1 (de) * | 1989-07-22 | 1991-01-31 | Rheydt Kabelwerk Ag | Vorrichtung zum reinigen einer vorform fuer lichtwellenleiter |
| US5169421A (en) * | 1990-09-15 | 1992-12-08 | The Furukawa Electric Co., Ltd. | Method of manufacturing silica glass optical waveguide preform |
| US5244485A (en) * | 1991-04-30 | 1993-09-14 | The Furukawa Electric Co., Ltd. | Method of manufacturing a silica glass preform |
| JPH05193975A (ja) * | 1991-08-29 | 1993-08-03 | Furukawa Electric Co Ltd:The | 押出し成形式多孔質光ファイバ母材製造装置 |
| US5314520A (en) * | 1992-02-12 | 1994-05-24 | The Furukawa Electric Co., Ltd. | Method for manufacturing optical fiber preform |
| GB9210327D0 (en) * | 1992-05-14 | 1992-07-01 | Tsl Group Plc | Heat treatment facility for synthetic vitreous silica bodies |
| GB2283740B (en) * | 1993-11-15 | 1997-07-30 | Furukawa Electric Co Ltd | Method of manufacturing a porous preform for an optical fiber |
| US7137759B1 (en) * | 2005-12-30 | 2006-11-21 | The Young Industries, Inc. | System and method for handling bulk materials |
| US8578736B2 (en) * | 2008-09-23 | 2013-11-12 | Corning Incorporated | Soot radial pressing for optical fiber overcladding |
| US10494291B2 (en) | 2014-10-23 | 2019-12-03 | Corning Incorporated | Hygroscopic additives for silica soot compacts and methods for forming optical quality glass |
| US10793466B2 (en) | 2015-02-27 | 2020-10-06 | Corning Incorporated | Nanoparticle additives for silica soot compacts and methods for strengthening silica soot compacts |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE20460E (en) | 1937-08-03 | Method of and apparatus for shaping | ||
| US20460A (en) * | 1858-06-01 | Improvement in the manufacture of pliers | ||
| US2888715A (en) * | 1957-03-21 | 1959-06-02 | Stokes F J Corp | Proportional pressing |
| DE1165814B (de) * | 1960-01-07 | 1964-03-19 | Bausch & Lomb | Verfahren zum Herstellen von Formkoerpern, die aus Glaspartikeln von verschiedener Glaszusammensetzung bestehen |
| US3092878A (en) * | 1960-08-24 | 1963-06-11 | C & S Products Company Inc | Method and apparatus for continuously forming foundry molds, cores and the like |
| US3956452A (en) * | 1973-08-16 | 1976-05-11 | Shinagawa Firebrick, Co., Ltd. | Dry-type isostatic pressing method involving minimization of breaks or cracks in the molded bodies |
| DE2628667A1 (de) * | 1976-06-25 | 1977-12-29 | Bosch Gmbh Robert | Verfahren und vorrichtung zum befestigen der mittelelektrode in einem keramischen zuendkerzen-isolator |
| US4285896A (en) * | 1977-06-06 | 1981-08-25 | The Dow Chemical Company | Isostatic molding process and seal |
| JPS549947A (en) * | 1977-06-24 | 1979-01-25 | Furukawa Electric Co Ltd:The | Production of rods for optical fiber base cores |
| SE7802873L (sv) * | 1978-03-14 | 1979-09-15 | Joenkoeping Vulcan Ab | Forfarande och anordning for astadkommande av hal i kroppar av formspan eller liknande |
| US4473526A (en) * | 1980-01-23 | 1984-09-25 | Eugen Buhler | Method of manufacturing dry-pressed molded articles |
| JPS582231A (ja) * | 1981-06-30 | 1983-01-07 | Advance:Kk | 不透明なガラス製品にすかし模様をつける加飾法 |
| DE3217965A1 (de) * | 1982-05-13 | 1983-11-17 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren zur herstellung von glasfaser-lichtwellenleitern |
-
1984
- 1984-02-23 DE DE3406475A patent/DE3406475A1/de not_active Withdrawn
-
1985
- 1985-02-21 US US06/703,793 patent/US4620862A/en not_active Expired - Lifetime
- 1985-02-22 JP JP60034291A patent/JPS60210539A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60210539A (ja) | 1985-10-23 |
| JPH0450256B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-08-13 |
| US4620862A (en) | 1986-11-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |