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Glass preform1/27/2024 TANK AND METHOD FOR WITHDRAWAL OF OPTICAL FIBER CABLE Heat treatment facility for synthetic vitreous silica bodiesįIBRATION DEVICE OF AN OPTICAL FIBER PREFORM Sintering furnace for producing quartz base material Hot formed articles and method and apparatus for hot-formingįamily Cites Families (11) * Cited by examiner, † Cited by third party Publication number Heating furnace for extension of glass rod and glass rod extending methodĪpparatus and method for drawing optical fiber preform Method for drawing a glass ingot to a rod Method of stretching glass base material for optical fiberĬitations (7) * Cited by examiner, † Cited by third party Publication numberĪpparatus for drawing glass preform for optical fiber Y02P40/57- Improving the yield, e-g- reduction of reject ratesĪ drawing method for drawing a glass perform (1) by using the glass preform (1) drawing apparatus according to claim 1 or 2, wherein the glass rod (10) produced by drawing the glass perform (1) has an outer diameter of at least 110 mm.ĮP10192637.6A Glass preform drawing apparatusĪpplications Claiming Priority (1) Application Numberįamily ID=43602961 Family Applications (1) Application NumberĬited By (1) * Cited by examiner, † Cited by third party Publication numberĪpparatus for elongating a glass optical fibre preformįamilies Citing this family (4) * Cited by examiner, † Cited by third party Publication numberįormation of elongated glass components with low bow using a gripper device.reusing waste heat during processing or shaping Y02P40/00- Technologies relating to the processing of minerals.Y02P- CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS.Y02- TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE.Y- GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS AND DIGESTS.C03B37/0124- Means for reducing the diameter of rods or tubes by drawing, e.g.diameter, of tubes or rods in general, e.g. C03B37/01225- Means for changing or stabilising the shape, e.g.C03B37/01205- Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments.C03B37/012- Manufacture of preforms for drawing fibres or filaments.C03B37/01- Manufacture of glass fibres or filaments.C03B37/00- Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags.C03B23/043- Heating devices specially adapted for re-forming tubes or rods in general, e.g.C03B- MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES.Application filed by Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd Publication of EP2336092A1 publication Critical patent/EP2336092A1/en Application granted granted Critical Publication of EP2336092B1 publication Critical patent/EP2336092B1/en Status Active legal-status Critical Current Anticipated expiration legal-status Critical Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Family has litigation First worldwide family litigation filed litigation Critical (A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License. Original Assignee Shin Etsu Chemical Co Ltd Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Tetsuya Otosaka Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number EP10192637A Other languages German ( de) Google Patents Glass preform drawing apparatusĭownload PDF Info Publication number EP2336092A1 EP2336092A1 EP10192637A EP10192637A EP2336092A1 EP 2336092 A1 EP2336092 A1 EP 2336092A1 EP 10192637 A EP10192637 A EP 10192637A EP 10192637 A EP10192637 A EP 10192637A EP 2336092 A1 EP2336092 A1 EP 2336092A1 Authority EP European Patent Office Prior art keywords glass glass preform top chamber heating furnace preform Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents EP2336092A1 - Glass preform drawing apparatus EP2336092A1 - Glass preform drawing apparatus
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