Title:
GLASS-MAKING PROCESSES
Document Type and Number:
WIPO Patent Application WO/2008/029649
Kind Code:
A1
Abstract:
The invention provides a glass-making process of conducting vacuum defoaming
without bumping; a glass-making process of conducting vacuum defoaming without
making blisters remain in glass articles, which blisters result from the enlargement
of a foam layer; and a glass-making process of conducting vacuum defoaming while
inhibiting the vaporization of specific components (such as boron) contained
in molten glass. A glass-making process which comprises the step of vacuum -defoaming
molten glass in a vacuum defoaming tank, wherein the water vapor concentration
of the atmospheric gas in the tank is controlled to be 60% by mole or below.
More Like This:
| WO/2009/057547 | PROCESS FOR PRODUCING FLOAT PLATE GLASS |
| JP57027930 | ELECTRICALLY MELTING FURNACE FOR GLASS |
| JP3817868 | REDUCED PRESSURE DEFOAMING DEVICE FOR MOLTEN GLASS |
Inventors:
KUSHITANI, Hideki (Limited 12-1, Yurakucho1-chome, Chiyoda-k, Tokyo 05, 1008405, JP)
櫛谷 英樹 (〒05 東京都千代田区有楽町一丁目１２番１号 旭硝子株式会社内 Tokyo, 1008405, JP)
KAWAGUCHI, Toshiyasu (Limited 12-1, Yurakucho1-chome, Chiyoda-k, Tokyo 05, 1008405, JP)
河口 年安 (〒05 東京都千代田区有楽町一丁目１２番１号 旭硝子株式会社内 Tokyo, 1008405, JP)
URATA, Shingo (Limited 12-1, Yurakucho1-chome, Chiyoda-k, Tokyo 05, 1008405, JP)
櫛谷 英樹 (〒05 東京都千代田区有楽町一丁目１２番１号 旭硝子株式会社内 Tokyo, 1008405, JP)
KAWAGUCHI, Toshiyasu (Limited 12-1, Yurakucho1-chome, Chiyoda-k, Tokyo 05, 1008405, JP)
河口 年安 (〒05 東京都千代田区有楽町一丁目１２番１号 旭硝子株式会社内 Tokyo, 1008405, JP)
URATA, Shingo (Limited 12-1, Yurakucho1-chome, Chiyoda-k, Tokyo 05, 1008405, JP)
Application Number:
JP2007/066490
Publication Date:
March 13, 2008
Filing Date:
August 24, 2007
Export Citation:
Assignee:
ASAHI GLASS COMPANY, LIMITED (12-1, Yurakucho 1-chome Chiyoda-k, Tokyo 05, 1008405, JP)
旭硝子株式会社 (〒05 東京都千代田区有楽町一丁目１２番１号 Tokyo, 1008405, JP)
KUSHITANI, Hideki (Limited 12-1, Yurakucho1-chome, Chiyoda-k, Tokyo 05, 1008405, JP)
櫛谷 英樹 (〒05 東京都千代田区有楽町一丁目１２番１号 旭硝子株式会社内 Tokyo, 1008405, JP)
KAWAGUCHI, Toshiyasu (Limited 12-1, Yurakucho1-chome, Chiyoda-k, Tokyo 05, 1008405, JP)
河口 年安 (〒05 東京都千代田区有楽町一丁目１２番１号 旭硝子株式会社内 Tokyo, 1008405, JP)
旭硝子株式会社 (〒05 東京都千代田区有楽町一丁目１２番１号 Tokyo, 1008405, JP)
KUSHITANI, Hideki (Limited 12-1, Yurakucho1-chome, Chiyoda-k, Tokyo 05, 1008405, JP)
櫛谷 英樹 (〒05 東京都千代田区有楽町一丁目１２番１号 旭硝子株式会社内 Tokyo, 1008405, JP)
KAWAGUCHI, Toshiyasu (Limited 12-1, Yurakucho1-chome, Chiyoda-k, Tokyo 05, 1008405, JP)
河口 年安 (〒05 東京都千代田区有楽町一丁目１２番１号 旭硝子株式会社内 Tokyo, 1008405, JP)
International Classes:
C03B5/225; C03C3/091; C03B5/00; C03C3/076
Attorney, Agent or Firm:
SENMYO, Kenji et al. (4th Floor, SIA Kanda Square 17, Kanda-konyacho, Chiyoda-k, Tokyo 35, 1010035, JP)
Download PDF: