Title:
【発明の名称】ガラス合成用誘導電気炉の改良
Document Type and Number:
Japanese Patent JP2956014
Kind Code:
B2
Abstract:
In an induction furnace for the synthesis of glasses, in particular fluorozirconate glasses for optical fibres for telecommunications, the support device (6') for the crucible (3) is associated with a pair of sleeves (7, 9) between which an annular element (8) which constitutes the actual support element is inserted. The first sleeve (7) has such longitudinal dimensions that the crucible (3) is supported in the annular element (8) in such a way as to be spaced from the planar element (5'), and the second sleeve has such longitudinal dimensions that its top edge is at a level higher than that of the top edge of the crucible (3), to obtain a homogeneous temperature region extending at least along the entire height of the crucible (3).
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Inventors:
MARUKO BURAGURIA
GUOJUN DAI
SABURINA MOTSUSO
GUOJUN DAI
SABURINA MOTSUSO
Application Number:
JP22520398A
Publication Date:
October 04, 1999
Filing Date:
July 27, 1998
Export Citation:
Assignee:
KUSERUTO CHENTORO SUTEYUDEI E LAB TEREKOMYUNIKATSUIOONI SPA
International Classes:
C03B5/02; C03B5/08; F27D11/06; (IPC1-7): C03B5/02
Attorney, Agent or Firm:
Kawahara Kazuho