Title:
BUSHING AND DEFORMED CROSS-SECTION GLASS FIBER MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/038901
Kind Code:
A1
Abstract:
This bushing 4 is provided with: a base plate 41 having multiple cooling regions S for the arrangement of a cooling member configured to cool molten glass; and multiple nozzles 5 provided on the base plate 41 and comprising a nozzle hole 53, which has a flat shape at the tip where the molten glass G flows out, a pair of first walls 51, which are opposite each other in the short-axis direction of the nozzle hole 5 and have a recessed notch 54, and a pair of second walls 52, which are opposite of each other in the long-axis direction of the nozzle hole 5, wherein the multiple nozzles 5 are arranged such that the first walls 51 face in the direction of the cooling region S. Between adjacent cooling regions S, there are arranged a first nozzle row L1, which is in the direction of extension of the cooling region S and in which multiple nozzles 5 are arranged at a prescribed interval, and a second nozzle row L2, which, at an interval from the first nozzle row L1, is in the direction of extension of the cooling region S and which comprises multiple nozzles 5 arranged at a prescribed interval; the nozzles 5 in the first nozzle row L1 are arranged such that the notches 54 in the first nozzle row L1 disposed in the pair of first walls of the nozzles 5 can be opposite the cooling region S.
Inventors:
MATSUURA YUZURU (JP)
Application Number:
PCT/JP2021/024145
Publication Date:
February 24, 2022
Filing Date:
June 25, 2021
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03B37/08
Foreign References:
| JP2010083750A | 2010-04-15 | |||
| JP2010150127A | 2010-07-08 | |||
| JP2019108262A | 2019-07-04 | |||
| JP2017226579A | 2017-12-28 | |||
| JP2018016506A | 2018-02-01 | |||
| JP2010163342A | 2010-07-29 |
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