Title:
MELTING FURNACE
Document Type and Number:
Japanese Patent JP2002147966
Kind Code:
A
Abstract:
To provide a melting furnace formed such that a product with uniform quality is easily produced since a temperature difference according to a spot hardly occurs to a molten substance in a crucible, the crucible is hardly damaged, and an increased life for a crucible is provided.
The melting furnace is provided with the crucible and a heat flow guiding means to guide a heat flow to the periphery of the crucible, and the heat flow guide means is provided with a guide means to spirally guide a heat flow at the periphery of the crucible.
Inventors:
TANAKA AKIRA
Application Number:
JP2000341019A
Publication Date:
May 22, 2002
Filing Date:
November 08, 2000
Export Citation:
Assignee:
HOKURIKU TECHNO KK
International Classes:
F27B5/14; F27B7/12; F27B7/20; F27B14/14; F27D1/00; C22B9/00; F27B7/22; F27B7/32; F27D3/00; F27D3/15; F27D7/00; F27D99/00; (IPC1-7): F27B14/14; F27B5/14; F27D1/00
Attorney, Agent or Firm:
Utaka Katsumi