Title:
【発明の名称】電気炉
Document Type and Number:
Japanese Patent JP3104992
Kind Code:
B2
Abstract:
The furnace (70) includes a heating element (72) which is restrained from growth during operation of the furnace (70) by retaining spacers (84) which provide a yoke (88) around the individual coils (102) of the heating element (72) and which spacers (84) are interlocked with each other. A high alumina fiber insulation (180) is applied to insulate the heating element (72). This high alumina fiber insulation (180) has enhanced properties with respect to shrinkage devitrification.
Inventors:
McEntire William Dee
Ericsson Ronald E
Ericsson Ronald E
Application Number:
JP50329891A
Publication Date:
October 30, 2000
Filing Date:
December 20, 1990
Export Citation:
Assignee:
SAMTEC Inc.
International Classes:
F27B14/06; F27D1/00; F27D11/02; H01L21/22; H01L21/324; H05B3/06; H05B3/64; H05B3/66; F27B14/08; (IPC1-7): H05B3/66; H05B3/06
Domestic Patent References:
| JP160988A | ||||
| JP63202097U |
Attorney, Agent or Firm:
Minoru Nakamura (6 outside)