Title:
光ファイバ母材吊下げ支持装置
Document Type and Number:
Japanese Patent JP4615085
Kind Code:
B2
Abstract:
An optical fiber preform suspending and supporting apparatus able to prevent deformation of a pin placed in a high temperature environment and able to support a porous optical fiber preform without adversely influencing supports of the pin and without causing inclination relative to the vertical line of a main shaft, wherein a movable connector is fitted into an enlarged-diameter portion of the lower end of a main shaft, this enlarged-diameter portion is connected with the movable connector by a pin so that the movable connector is able to swing around the pin, a holding portion including a supporting portion is formed integrally at the bottom of the movable connector to hold an enlarged-diameter portion of the upper end of a starting preform, and the diameter of the pin is in the range of 20% to 50% of the outside diameter of the enlarged-diameter portion of the lower end of the main shaft, and an optical fiber processing apparatus including the same.
Inventors:
Toshihiro Mikami
Yukio Kamura
Yukio Kamura
Application Number:
JP2000078174A
Publication Date:
January 19, 2011
Filing Date:
March 21, 2000
Export Citation:
Assignee:
THE FURUKAW ELECTRIC CO.,LTD.
International Classes:
C03B37/018; C03B37/014
Domestic Patent References:
| JP5147967A | ||||
| JP6144841A | ||||
| JP2160636A | ||||
| JP5085766A | ||||
| JP6024784A |
Attorney, Agent or Firm:
Hidetoshi Matsumoto