Title:
METHOD FOR MANUFACTURING GLASS MATERIAL
Document Type and Number:
WIPO Patent Application WO/2014/103662
Kind Code:
A1
Abstract:
Provided is a method whereby large glass material can be manufactured by containerless levitation.
A glass raw material block (13) is positioned on a forming surface (11a) in which a plurality of gas spray holes (12a) is opened. The glass raw material block (13) is heated and melted in a state of the glass raw material block (13) being suspended above the forming surface (11a) by gas being sprayed from the plurality of gas spray holes (12a), and then cooled to obtain glass material.
Inventors:
SATO FUMIO (JP)
ENOMOTO TOMOKO (JP)
ODANI OSAMU (JP)
INOUE HIROYUKI (JP)
MASUNO ATSUNOBU (JP)
ENOMOTO TOMOKO (JP)
ODANI OSAMU (JP)
INOUE HIROYUKI (JP)
MASUNO ATSUNOBU (JP)
Application Number:
PCT/JP2013/082789
Publication Date:
July 03, 2014
Filing Date:
December 06, 2013
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
UNIV TOKYO (JP)
UNIV TOKYO (JP)
International Classes:
C03B19/02; G02B3/00
Domestic Patent References:
| WO2010137276A1 | 2010-12-02 |
Foreign References:
| JPH08259242A | 1996-10-08 | |||
| JPH0912317A | 1997-01-14 | |||
| JPH10338530A | 1998-12-22 | |||
| JP2012176862A | 2012-09-13 | |||
| JP2006248801A | 2006-09-21 |
Attorney, Agent or Firm:
MIYAZAKI & METSUGI (JP)
Patent business corporation Miyazaki and table-of-contents patent firm (JP)
Patent business corporation Miyazaki and table-of-contents patent firm (JP)
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