Title:
HEAT TREATMENT FURNACE
Document Type and Number:
Japanese Patent JPH11152502
Kind Code:
A
Abstract:
To provide a constitution for feeding power to a heater which has simple structure and excellent the safety and the durability.
Since a constitution is constituted so as to enable the supply of the three phase AC current with a star connection to a rod heater 2 and electrically connect the neutral point of each rod heater 2 to a tight box 3, the wiring for connecting the neutral point is unnecessary to separately draw to the outside of a furnace.
Inventors:
NAKAMU EIJI
YAMAUCHI IPPEI
TAKEDA MASAO
YAMAUCHI IPPEI
TAKEDA MASAO
Application Number:
JP31710997A
Publication Date:
June 08, 1999
Filing Date:
November 18, 1997
Export Citation:
Assignee:
SHIMAZU MECTEM KK
International Classes:
B22F3/10; F27B14/04; F27B17/00; (IPC1-7): B22F3/10; F27B14/04; F27B17/00
Attorney, Agent or Firm:
Kazuhiro Akazawa
Previous Patent: NON-PHOSPHORIC ACID-BASED PASTY DETERGENT COMPOSITION
Next Patent: PRODUCTION OF PB-TE BASED COMPOUND POWDER
Next Patent: PRODUCTION OF PB-TE BASED COMPOUND POWDER