会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明专利
    • DE69604974D1
    • 1999-12-09
    • DE69604974
    • 1996-07-04
    • SUMITOMO ELECTRIC INDUSTRIES
    • TSUCHIYA ICHIROKOBAYASHI KOHEIOHTA HIROAKIKUWAHARA KAZUYATSUNEISHI KATSUYUKIMIYAKI HIDEOMATSUDA YASUO
    • G02B6/00C03B37/027C03B37/029H05B3/14H05B3/44H05B3/62F27D11/02
    • There is provided an optical fiber drawing furnace capable of drawing an optical fiber (20) having small non-circularity, which drawing furnace includes a muffle tube (13), in which an optical fiber preform (15) is supplied, a heater (18) surrounding the muffle tube (13), a plurality of electrode connecting portion (22-25) extending from the heater (18), a plurality of electrodes (29, 30) connected to electrode connecting portions (22-25), and in conjunction therewith to an electric power source (33), and unifying means for unifying the temperature distribution along the circumferential direction. Also, there is provided an optical fiber drawing furnace capable of drawing an optical fiber (20) having small non-circularity, which drawing furnace includes an inner heater (41) surrounding a muffle tube (13), a pair of inner electrode connecting portions (43) extending from the inner heater (41), arranging in opposition to each other across the inner heater (41) and connecting to a power source (39) via a pair of electrodes (44), an outer heater (42) surrounding the inner heater (41), and a pair of outer electrode connecting portions (45) extended from the outer heater (42) and arranged in opposition to each other across the outer heater (42) in a direction perpendicular to opposing direction of the pair of inner electrode connecting portions (43), the outer electrode connecting portions (45) being connected to the power source (39) via a pair of electrodes (46).
    • 6. 发明专利
    • Optical fiber drawing furnace
    • AU5834196A
    • 1997-01-16
    • AU5834196
    • 1996-07-04
    • SUMITOMO ELECTRIC INDUSTRIES
    • TSUCHIYA ICHIROKOBAYASHI KOHEIOHTA HIROAKIKUWAHARA KAZUYATSUNEISHI KATSUYUKIMIYAKI HIDEOMATSUDA YASUO
    • G02B6/00C03B37/027C03B37/029H05B3/14H05B3/44
    • There is provided an optical fiber drawing furnace capable of drawing an optical fiber (20) having small non-circularity, which drawing furnace includes a muffle tube (13), in which an optical fiber preform (15) is supplied, a heater (18) surrounding the muffle tube (13), a plurality of electrode connecting portion (22-25) extending from the heater (18), a plurality of electrodes (29, 30) connected to electrode connecting portions (22-25), and in conjunction therewith to an electric power source (33), and unifying means for unifying the temperature distribution along the circumferential direction. Also, there is provided an optical fiber drawing furnace capable of drawing an optical fiber (20) having small non-circularity, which drawing furnace includes an inner heater (41) surrounding a muffle tube (13), a pair of inner electrode connecting portions (43) extending from the inner heater (41), arranging in opposition to each other across the inner heater (41) and connecting to a power source (39) via a pair of electrodes (44), an outer heater (42) surrounding the inner heater (41), and a pair of outer electrode connecting portions (45) extended from the outer heater (42) and arranged in opposition to each other across the outer heater (42) in a direction perpendicular to opposing direction of the pair of inner electrode connecting portions (43), the outer electrode connecting portions (45) being connected to the power source (39) via a pair of electrodes (46).
    • 8. 发明专利
    • DE69604974T2
    • 2000-04-13
    • DE69604974
    • 1996-07-04
    • SUMITOMO ELECTRIC INDUSTRIES
    • TSUCHIYA ICHIROKOBAYASHI KOHEIOHTA HIROAKIKUWAHARA KAZUYATSUNEISHI KATSUYUKIMIYAKI HIDEOMATSUDA YASUO
    • G02B6/00C03B37/027C03B37/029H05B3/14H05B3/44H05B3/62F27D11/02
    • There is provided an optical fiber drawing furnace capable of drawing an optical fiber (20) having small non-circularity, which drawing furnace includes a muffle tube (13), in which an optical fiber preform (15) is supplied, a heater (18) surrounding the muffle tube (13), a plurality of electrode connecting portion (22-25) extending from the heater (18), a plurality of electrodes (29, 30) connected to electrode connecting portions (22-25), and in conjunction therewith to an electric power source (33), and unifying means for unifying the temperature distribution along the circumferential direction. Also, there is provided an optical fiber drawing furnace capable of drawing an optical fiber (20) having small non-circularity, which drawing furnace includes an inner heater (41) surrounding a muffle tube (13), a pair of inner electrode connecting portions (43) extending from the inner heater (41), arranging in opposition to each other across the inner heater (41) and connecting to a power source (39) via a pair of electrodes (44), an outer heater (42) surrounding the inner heater (41), and a pair of outer electrode connecting portions (45) extended from the outer heater (42) and arranged in opposition to each other across the outer heater (42) in a direction perpendicular to opposing direction of the pair of inner electrode connecting portions (43), the outer electrode connecting portions (45) being connected to the power source (39) via a pair of electrodes (46).
    • 9. 发明专利
    • Optical fiber drawing furnace
    • AU718301B2
    • 2000-04-13
    • AU5834196
    • 1996-07-04
    • SUMITOMO ELECTRIC INDUSTRIES
    • TSUCHIYA ICHIROKOBAYASHI KOHEIOHTA HIROAKIKUWAHARA KAZUYATSUNEISHI KATSUYUKIMIYAKI HIDEOMATSUDA YASUO
    • G02B6/00C03B37/027C03B37/029H05B3/14H05B3/44
    • There is provided an optical fiber drawing furnace capable of drawing an optical fiber (20) having small non-circularity, which drawing furnace includes a muffle tube (13), in which an optical fiber preform (15) is supplied, a heater (18) surrounding the muffle tube (13), a plurality of electrode connecting portion (22-25) extending from the heater (18), a plurality of electrodes (29, 30) connected to electrode connecting portions (22-25), and in conjunction therewith to an electric power source (33), and unifying means for unifying the temperature distribution along the circumferential direction. Also, there is provided an optical fiber drawing furnace capable of drawing an optical fiber (20) having small non-circularity, which drawing furnace includes an inner heater (41) surrounding a muffle tube (13), a pair of inner electrode connecting portions (43) extending from the inner heater (41), arranging in opposition to each other across the inner heater (41) and connecting to a power source (39) via a pair of electrodes (44), an outer heater (42) surrounding the inner heater (41), and a pair of outer electrode connecting portions (45) extended from the outer heater (42) and arranged in opposition to each other across the outer heater (42) in a direction perpendicular to opposing direction of the pair of inner electrode connecting portions (43), the outer electrode connecting portions (45) being connected to the power source (39) via a pair of electrodes (46).