Title:
MANUFACTURING APPARATUS AND MANUFACTURING METHOD FOR MODIFIED CROSS-SECTION GLASS FIBER
Document Type and Number:
WIPO Patent Application WO/2018/020743
Kind Code:
A1
Abstract:
This manufacturing apparatus for a modified cross-section glass fiber is provided with, at the bottom section thereof, a bushing 4 in which a plurality of nozzles 5 is disposed. Each of the plurality of nozzles 5 is provided with, at a tip section thereof from which molten glass G flows out, a flat-shaped nozzle hole 53, a pair of long wall sections 51 facing each other in the X direction, and a pair of short wall sections 52 facing each other in the Y direction. At least one of the short wall sections 52 has a cutout section 54. In a position facing the short wall section 52 where the cutout section 54 of one nozzle 5 is disposed, another nozzle 5 is arranged as a temperature retention means for retaining the temperature of the molten glass G via the cutout section 54. In a position facing at least one of the long wall sections 51 of one nozzle 5, a cooling pipe 6 for cooling the molten glass G across the long wall section 51 is arranged.
Inventors:
YANASE TOMOKI (JP)
MATSUURA YUZURU (JP)
MATSUURA YUZURU (JP)
Application Number:
PCT/JP2017/014024
Publication Date:
February 01, 2018
Filing Date:
April 04, 2017
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03B37/083
Foreign References:
| JP2010083750A | 2010-04-15 | |||
| JP2000103635A | 2000-04-11 | |||
| JP2007039320A | 2007-02-15 | |||
| JP2010163342A | 2010-07-29 | |||
| JP2000335932A | 2000-12-05 | |||
| JP2008069049A | 2008-03-27 | |||
| JPH06234540A | 1994-08-23 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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