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특허 상세정보

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Refining method for molten glass and an apparatus for refining molten glass

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C03B-052/25   
미국특허분류(USC) 65/134.2 ; 65/032.5 ; 65/134.9 ; 65/135.2 ; 65/135.3 ; 65/178 ; 65/346 ; 65/347
출원번호 US-0754006 (1996-11-20)
우선권정보 JP-0336102 (1995-11-30)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
인용정보 피인용 횟수 : 67  인용 특허 : 2
초록
▼

A refining method for molten glass comprising a stirring step for stirring molten glass in a stirring vessel, a feeding step for feeding the molten glass into a vacuum vessel via an uprising pipe, a degassing step wherein the molten glass is put under a reduced pressure in the vacuum vessel, bubbles produced on the molten glass surface and a flow of the molten glass just below the molten glass surface are blocked by a barrier provided in the vacuum vessel, and the molten glass is degassed in a state that a bubble layer is formed on the molten glass surfa...

대표
청구항
▼

[ We claim:] [1.] A refining method for molten glass comprising:a stirring step for stirring molten glass in a stirring vessel;a feeding step for feeding the molten glass into a vacuum vessel via an uprising pipe;a degassing step wherein the molten glass is put under a reduced pressure in the vacuum vessel, and the molten glass is degassed in a state that a bubble layer is formed on a molten glass surface, the vacuum vessel being provided with a barrier having a width traversing an entire width of the vacuum vessel at a side of said downfalling pipe with...

이 특허에 인용된 특허 (2)

  1. Boettner George B. (Corning NY). Method for fining molten glass. USP1991024994099.
  2. Ishimura Kazuhiko (Yokohama JPX) Saito Fumiaki (Yokohama JPX) Yoshikawa Masaaki (Yokohama JPX) Okada Misao (Yokohama JPX) Nakajima Shinsuke (Yokohama JPX). Vacuum degassing method and its apparatus. USP1994055316563.

이 특허를 인용한 특허 피인용횟수: 67

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