Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1978-11-27
1981-07-21
Bell, James J.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
13 35, 156 89, 156155, 264 295, 4234472, 423448, 428218, 428244, 428280, 428281, 428282, 428408, D04H 108
Patent
active
042799520
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.
REFERENCES:
patent: 3404061 (1968-10-01), Shane et al.
patent: 3579401 (1971-05-01), Cauville et al.
patent: 3607541 (1971-09-01), Tombrel
patent: 3844877 (1974-10-01), Wessendorf et al.
patent: 3956548 (1976-05-01), Kovoc et al.
patent: 3980105 (1976-09-01), Myskowski
patent: 3991248 (1976-11-01), Bauer
patent: 4029829 (1977-05-01), Weaver et al.
Kodama Fumio
Ohyama Noboru
Bell James J.
Kureha Kagaku Kogyo Kabushiki Kaisha
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