Title:
OPTICAL FIBER GUIDING-IN DEVICE
Document Type and Number:
Japanese Patent JPH04335310
Kind Code:
A
Abstract:
PURPOSE:To perform stable operation for a long time by preventing dust from sticking or being deposited in a guide-in pipe. CONSTITUTION:A guide-in pipe 7 which guides an optical fiber 2 and a filter 4 in a metallic pipe 16 is vibrated longitudinally by an ultrasonic vibrating means 9 to prevent the dust which sticks on the optical fiber 4 and is mixed with the filler from sticking or being deposited on the internal surface of the guide-in pipe. Further, the flowability of the filler which heats the guide-in pipe 7 and passes in it is increased to prevent the dust mixed with the filler from sticking on the guide-in pipe.
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Inventors:
MATSUOKA YUJI
KAMATA SHOSEI
SUZUKI KOJI
OKUBO YUTAKA
MITSUSAKA NOZOMI
YONEZAWA NOBUYUKI
KOMINE ISAMU
INOKUCHI KAZUNARI
YOSHIE YASUTETSU
KAMATA SHOSEI
SUZUKI KOJI
OKUBO YUTAKA
MITSUSAKA NOZOMI
YONEZAWA NOBUYUKI
KOMINE ISAMU
INOKUCHI KAZUNARI
YOSHIE YASUTETSU
Application Number:
JP13320991A
Publication Date:
November 24, 1992
Filing Date:
May 10, 1991
Export Citation:
Assignee:
NIPPON KOKAN KK
International Classes:
B23K26/21; G02B6/44; H01B13/00; (IPC1-7): B23K26/00; G02B6/44; H01B13/00
Attorney, Agent or Firm:
Toshiro Kojima