Title:
END SEALING METHOD FOR SHEATHED HEATER
Document Type and Number:
Japanese Patent JPS5424333
Kind Code:
A
Abstract:
PURPOSE: To enhance insulation resistance at the pipe ends of a sheathed heater by properly selecting the coefficient of thermal expansion for the ceramic moldings to be fitted into the pipe ends and by sealing them with frit.
Inventors:
YAMAZAKI KATSUHIRO
Application Number:
JP8992377A
Publication Date:
February 23, 1979
Filing Date:
July 26, 1977
Export Citation:
Assignee:
HITACHI NETSU KIGU KK
International Classes:
H05B3/04; H05B3/48; (IPC1-7): H05B3/04; H05B3/48