Title:
GLASS-MELTING DEVICE FOR PRODUCING GLASS FIBER AND METHOD FOR PRODUCING GLASS FIBER
Document Type and Number:
WIPO Patent Application WO/2010/104038
Kind Code:
A1
Abstract:
Provided are a glass-melting device for producing a glass fiber whereby invasion of bubbles into glass fibers under spinning can be effectively reduced, and a method for producing a glass fiber using the device. A glass-melting device (100) for producing a glass fiber which comprises: a first glass-melting tank (12); a conduit (14) extending downward from the first glass-melting tank (12); a suction unit (18) for exposing the first glass-melting tank (12) to a reduced pressure atmosphere; a second glass-melting tank (20) being provided below the conduit (14) and exposed to an atmospheric pressure atmosphere; and a bushing (22) being provided at the bottom of the second glass-melting tank (20) and equipped with a number of nozzles (22a).
Inventors:
HIRAYAMA NORIO (JP)
MIYANAGA NAOHIRO (JP)
TAKAHASHI MASAHIKO (JP)
OGAWA KENTAROU (JP)
MIYANAGA NAOHIRO (JP)
TAKAHASHI MASAHIKO (JP)
OGAWA KENTAROU (JP)
Application Number:
PCT/JP2010/053799
Publication Date:
September 16, 2010
Filing Date:
March 08, 2010
Export Citation:
Assignee:
NITTO BOSEKI CO LTD (JP)
HIRAYAMA NORIO (JP)
MIYANAGA NAOHIRO (JP)
TAKAHASHI MASAHIKO (JP)
OGAWA KENTAROU (JP)
HIRAYAMA NORIO (JP)
MIYANAGA NAOHIRO (JP)
TAKAHASHI MASAHIKO (JP)
OGAWA KENTAROU (JP)
International Classes:
C03B37/085; C03B37/02
Domestic Patent References:
| WO2006059576A1 | 2006-06-08 |
Foreign References:
| JPS57149839A | 1982-09-16 | |||
| JP2002087826A | 2002-03-27 | |||
| JP2006206439A | 2006-08-10 | |||
| JP2008266072A | 2008-11-06 | |||
| JP2003192373A | 2003-07-09 |
Other References:
See also references of EP 2407438A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
Yoshiki Hasegawa (JP)
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