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Fiber optic draw furnace having a heating element and a furnace shell, featuring rigidified high purity graphite felt insulation therebetween

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C03B-037/029
출원번호 US-0047864 (1998-03-25)
발명자 / 주소
  • Uhm Daniel D.
  • Spencer Robert A.
출원인 / 주소
  • Alcatel, FRX
대리인 / 주소
    Ware, Fressola, Van Der Sluys & Adolphson LLP
인용정보 피인용 횟수 : 2  인용 특허 : 40

초록

The present invention provides an improvement to a fiber optic draw furnace having a heating element (22) arranged inside a furnace shell (20) for drawing an optical fiber (F) from a preform (P). The fiber optic draw furnace (10) has one or more pieces of fiber draw furnace insulation (14, 16, 18) t

대표청구항

[ What is claimed is:] [1.]1. A fiber optic draw furnace (10) having a heating element (22) arranged inside a furnace shell (20) for drawing an optical fiber (F) from a preform (P), and having one or more fiber draw furnace insulation means (14, 16, 18) to separate the heating element (22) from the

이 특허에 인용된 특허 (40)

  1. Tsuchiya Ichiro (Yokohama JPX) Saito Masahide (Yokohama JPX) Ishikawa Shinji (Yokohama JPX) Habasaki Toshimi (Yokohama JPX), Air-tight sintering furnace for the production of a quartz preform.
  2. Bailey ; Alan C., Apparatus for minimizing drawn filament diameter variation.
  3. Stewart Wilford S. (Plainfield NJ), Carbon articles.
  4. Howard Ronald A. (Brook Park OH), Composites of flexible graphite particles and amorphous carbon.
  5. Fukuhara Mototada (Ehime JPX) Ono Keizo (Ehime JPX) Morita Ken-ichi (Fujisawa JPX) Fujii Shigeru (Ehime JPX), Electric resistance heating element and electric resistance heating furnace using the same as heat source.
  6. Briere Alfred D. (Worcester MA), Graphite element for use in a furnace for drawing optical fiber.
  7. Nicholson Robert,GBX ; Poullain Bernard Phillipe Robert,GBX ; Sayce Ian George,GBX, Heat treatment facility for synthetic vitreous silica bodies.
  8. Lane Kenneth R. (Wilmington NC) Prusha Donald L. (Painted Post NY) Siebold William E. (Horseheads NY), Heating oven for preparing optical waveguide fibers.
  9. Kyutoku Hirofumi (Ikoma JPX) Yamamoto Kouichi (Amagasaki JPX) Otani Yoshihisa (Himeji JPX), High bulk density carbon fiber felt and thermal insulator.
  10. Yoshimura Ichiro (Yokohama JPX), High temperature furnace with thermal insulation.
  11. Fleming ; Jr. James W. (Westfield NJ), Iridium fiber draw induction furnace.
  12. Harding Ian D. (Saffron Walden GB3) Ince Peter R. (Brentwood GB3) Preston Roger S. (Upminster GB3), Method and apparatus for contaminant removal in manufacturing optical fibre.
  13. Harvey Jill A. (Wilmington NC) Hawtof Daniel W. (Wilmington NC) Spicer Henry A. (Wrightsville Beach NC), Method and apparatus for drawing optical fibers.
  14. Lysson Hans-Jurgen (Korschenbroich DEX) Lisse Frank (Koln DEX) Hahn Manuela (Monchen-Gladbach DEX) Leppert Hans-Detlef (Monchengladbach DEX) Darbon Philippe (Saint Michel sur Orge FRX), Method and device for manufacturing an optical fiber.
  15. Nagayama Katsuya (Kanagawa JPX) Kobayashi Kohei (Kanagawa JPX) Ohta Hiroaki (Kanagawa JPX) Tsuchiya Ichiro (Kanagawa JPX), Method and furnace for drawing optical fibers.
  16. Nozawa Mitsuru (Nagoya JPX) Nomura Makio (Bisai JPX) Takaba Akihiko (Nagoya JPX) Hayashi Masato (Minokamo JPX), Method for manufacturing a glass container having a large impact strength using permanent and non permanent coatings on.
  17. Soda Yoshio (Yokohama JPX) Kohno Takefumi (Yokohama JPX) Shinagawa Masaaki (Yokohama JPX) Kiuchi Noriyuki (Yokohama JPX), Method for preparing a carbon/carbon composite material.
  18. Klop Marius A. F. (Eindhoven NLX) Meerman Wilhelmus C. P. M. (Eindhoven NLX) Peelen Jan G. J. (Eindhoven NLX) Tuin Hermanus N. (Eindhoven NLX), Method of and apparatus for manufacturing optical fibres.
  19. Van Der Giessen Aart A. (Eindhoven NLX) Van Der Hulst Victor A. (Eindhoven NLX) Janssen Petrus J. (Eindhoven NLX), Method of and device for drawing an optical fiber from a solid preform consisting substantially of SiO2 an.
  20. Bailey Alan C. (Horseheads NY), Method of drawing glass optical waveguides.
  21. Pastureau Nicole (Eysines FRX) Dourthe Patrice (Rion des Landes FRX), Method of forming a mandrel.
  22. Miller Thomas J. (Alpharetta GA), Method of making fiber optical preform with pyrolytic coated mandrel.
  23. Krohn David A. (Hamden CT), Method of manufacture of optical fiber.
  24. Baniel Pascal (Ris-Orangis FRX), Method of manufacturing a cylindrical part from glass, especially from fluorinated glass by maintaining a thin gaseous f.
  25. Kyutoku Hirofumi (Ikoma JPX) Yamamoto Kouichi (Amagasaki JPX) Otani Yoshihisa (Himeji JPX), Method of manufacturing a high bulk density carbon fiber felt.
  26. Krohn David A. (Hamden CT), Method of manufacturing graded index optical fibers.
  27. Newbould Richard T. (Harlow GBX) Piggs Susan J. (Bishops Stortford GB2) Wilson Stephen J. (Duxford GBX), Method of manufacturing optical fibers.
  28. Ohga Yuichi (Yokohama JPX) Ishikawa Shinji (Yokohama JPX) Kanamori Hiroo (Yokohama JPX) Tsuchiya Ichiro (Yokohama JPX) Yokota Hiroshi (Yokohama JPX), Method of producing glass preform in furnace for heating glass.
  29. Kreutzer Karl (Gelnhausen DEX) Simmat Fritz (Gelnhausen DEX) Steinkohl Anton (Grundau DEX) Englisch Wolfgang (Kelkheim DEX), Method of verifying a porous article made out of glass soot and furnace for carrying out the method.
  30. Briere Alfred D. (Dudley MA), Methods for prolonging the useful life of a graphite element in an optical fiber-drawing furnace.
  31. Paek Un C. (West Windsor Township ; Mercer County NJ) Schroeder ; Jr. Charles M. (North Hanover Township ; Burlington County NJ), Modified zirconia induction furnace.
  32. Kodama Fumio (Chofu JPX) Ohyama Noboru (Iwaki JPX), Multilayer insulating material and process for production thereof.
  33. Gouronnec Alain (Krec\h Lia Beg Leguer ; Servel 22300 Lannion FRX) Regreny Andre (Parc ar Croas 17 ; rue Albert Camus 22700 Perros Guirec FRX) Treheux Michel (An Tri Breud ; rue des Iles L\Ile Grande, Multiple fiber forming machine.
  34. Partus Fred P. (Atlanta GA), Non-contacting seal for treating chamber through which elongated material is moved.
  35. Rokujo Masaharu (Kanagawa JPX) Yokota Hisaaki (Chigasaki JPX) Saura Eiji (Kanagawa JPX) Nikaido Mitsunobu (Motomachi JPX) Sugino Morihiko (Kobe JPX), Non-permeable carbonaceous formed bodies and method for producing same.
  36. Rocher Jean-Philippe (Saint-Medard-en-Jalles FRX) Cavalier Jean-Claude (Le Pian Medoc FRX) Laquet Jean-Luc (Bordeaux FRX), Process for the manufacture of a fiber reinforced composite material having a ceramic matrix and preheated carbon fibers.
  37. Ishikawa Shinji (Yokohama JPX) Ohga Yuichi (Yokohama JPX) Tsuchiya Ichiro (Yokohama JPX) Kanamori Hiroo (Yokohama JPX) Yokota Hiroshi (Yokohama JPX) Kyoto Michihisa (Yokohama JPX), Process for thermal treatment of glass fiber preform.
  38. Ohga, Yuichi; Ishikawa, Shinji; Kanamori, Hiroo; Yoshimura, Ichiro; Yokota, Horoshi, Process of drawing optical fiber.
  39. Korb Louis L. (Sheboygan WI) Waitkus Phillip A. (Sheboygan WI), Vitreous carbon.
  40. Korb, Louis L.; Waitkus, Phillip A., Vitreous carbon and process for preparation thereof.

이 특허를 인용한 특허 (2)

  1. Tingey, John S.; Salee, David A.; Bowles, Wade Lee, Heated trough for molten metal.
  2. Bae, Sang-Joon; Kwon, Young-Il; Lee, Joon-Keun; Kim, Chul-Min; Jang, Myung-Ho, Optical fiber drawing furnace with gas flow tubes.

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