Title:
MUFFLE FURNACE
Document Type and Number:
Japanese Patent JP3511376
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To perform multiple processes by a single set.
SOLUTION: A plurality of contact zones A-C required for processing of a work W are formed in a muffle body 11 by a first feed and discharge mechanism 17 - a third feed and discharge mechanism 19. The first feed and discharge mechanism 17 - the third feed and discharge mechanism 19 produce the contact zones A-C consisting of each specified kind of gas atmosphere by feeding and discharging gases different from each other. Gas barriers to partition the contact zones A-C are provided so that gases in the contact zones A-C are prevented from being mixed in each other. The gas barriers 21-24 consist of respective gas suction parts 21a, 22a, 23a, and 24a situated in the muffle body 11 and at the upper part thereof.
Inventors:
Hashimoto, Kazuyuki
Kubota, Keisuke
Sasaki, Shinji
Richard, Alli C.
Thomas, Stewart R.
Kubota, Keisuke
Sasaki, Shinji
Richard, Alli C.
Thomas, Stewart R.
Application Number:
JP2001090301A
Publication Date:
March 29, 2004
Filing Date:
March 27, 2001
Export Citation:
Assignee:
TOKYO WELD CO LTD
International Classes:
F27B9/04; F27B5/10; F27D7/06; (IPC1-7): F27B9/04; F27B5/10; F27D7/06
Attorney, Agent or Firm:
堀 城之