Title:
【考案の名称】真空炉用多層成形断熱材
Document Type and Number:
Japanese Patent JPS5829129
Kind Code:
Y2
Abstract:
By bonding a graphite sheet possessing tightness to at least one surface of carbon fiber felt sheet possessing gas permeability by means of a carbonaceous binder, a multilayer thermally insulating material suitable for use in a heating furnace employing a nonoxidizing atmosphere is obtained. This insulating material has mechanical strength which does not decrease with a long period of use and gives rise to little contamination of articles being heated in the furnace.
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Inventors:
Fumio Kodama
Noboru Oyama
Noboru Oyama
Application Number:
JP16782677U
Publication Date:
June 25, 1983
Filing Date:
December 14, 1977
Export Citation:
Assignee:
Kureha Chemical Industry Co., Ltd.
International Classes:
B32B5/00; B32B9/04; B32B17/02; B32B18/00; C04B38/06; B32B19/06; C04B35/83; C21D9/00; F16L59/02; F27D1/00; F27D1/06; (IPC1-7): C04B39/02; B32B5/02; C04B43/02; F27B17/00
Attorney, Agent or Firm:
Kiyose Saburo