Title:
SPINNING APPARATUS FOR OPTICAL FIBER AND METHOD FOR PRODUCING OPTICAL FIBER
Document Type and Number:
Japanese Patent JP2009013533
Kind Code:
A
Abstract:
To provide a spinning apparatus for an optical fiber with reduced transmission loss and improved outer diameter evenness, reduced in maintenance cost, and to provide a method for producing such an optical fiber using the above spinning apparatus.
The spinning apparatus for an optical fiber includes a spinning head having a resin feed port, a flow channel for a molten resin, which serves as a passage for a molten resin flowing from the resin feed port, and a nozzle via which the molten resin passed through the channel is extruded. In this spinning apparatus, at least part of the above flow channel is formed of one or more alloys of Ni-Cr-Mo-based alloy, Ni-Cr-based alloy, and Ni-Cr-Mo-Fe-based alloy.
Inventors:
KITAYAMA TAKESHI
KIHARA HIDEKI
OGAWA NOBUYUKI
SEKIZAWA MASAMITSU
OKUMURA ATSUSHI
KIHARA HIDEKI
OGAWA NOBUYUKI
SEKIZAWA MASAMITSU
OKUMURA ATSUSHI
Application Number:
JP2007177326A
Publication Date:
January 22, 2009
Filing Date:
July 05, 2007
Export Citation:
Assignee:
MITSUBISHI RAYON CO
International Classes:
D01D4/00; G02B6/00
Domestic Patent References:
| JPH0416904A | 1992-01-21 | |||
| JP2000352627A | 2000-12-19 | |||
| JP2003012578A | 2003-01-15 | |||
| JPH05186906A | 1993-07-27 | |||
| JPS6385103A | 1988-04-15 |
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama