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1. (WO2001030709) METHOD AND DEVICE FOR DRAWING A MOLTEN MATERIAL CONTAINED IN A CRUCIBLE

Pub. No.:    WO/2001/030709    International Application No.:    PCT/FR2000/003008
Publication Date: Fri May 04 01:59:59 CEST 2001 International Filing Date: Sat Oct 28 01:59:59 CEST 2000
IPC: B22D 41/24
C03B 5/26
F27B 14/06
F27D 3/15
G21F 9/36
Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE
COMPAGNIE GENERALE DES MATIERES NUCLEAIRES
LADIRAT, Christian
MAURIN, Jean-Louis
LACOMBE, Jacques
Inventors: LADIRAT, Christian
MAURIN, Jean-Louis
LACOMBE, Jacques
Title: METHOD AND DEVICE FOR DRAWING A MOLTEN MATERIAL CONTAINED IN A CRUCIBLE
Abstract:
The invention concerns a method for draining a molten material (28), such as glass, contained in a cooled crucible (10) which consists in using a drawing device (18) comprising an elongated pouring orifice (30), a cooled gate valve (32) and a bar (36) forming a thermal bridge between the molten material (28) and the bottom (24) of the crucible (10), along one end (30a) of the orifice (30).