Title:
GUIDE ROLLER, AND FILAMENTARY BODY MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2009190804
Kind Code:
A
Abstract:
To provide a guide roller capable of obtaining filamentary bodies of high quality free from any deformation of a covering part, and a filamentary body manufacturing method.
A downstream side guide roller 16 guides an optical fiber 30 having a covering part 32 for covering an outer circumference of an optical fiber strand 31 with optical fiber glass as a core. The downstream side guide roller 16 has a curved part 24 having a recessed shape similar to the profile of the optical fiber 30 and in surface-contact with the optical fiber 30 on a circumferential groove 21 abutted on the optical fiber 30. There is provided a manufacturing method of the optical fiber 30.
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Inventors:
HABASAKI TOSHIMI
KONUKI MASAHITO
TAKAGI MITSURU
KONUMA KAZUYA
KONUKI MASAHITO
TAKAGI MITSURU
KONUMA KAZUYA
Application Number:
JP2008030359A
Publication Date:
August 27, 2009
Filing Date:
February 12, 2008
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
B65H57/14; C03B37/12; G02B6/44
Attorney, Agent or Firm:
Teruo Naito