JPH0348892U - - Google Patents

Info

Publication number

JPH0348892U

JPH0348892U JP9965590U JP9965590U JPH0348892U JP H0348892 U JPH0348892 U JP H0348892U JP 9965590 U JP9965590 U JP 9965590U JP 9965590 U JP9965590 U JP 9965590U JP H0348892 U JPH0348892 U JP H0348892U

Authority

JP

Japan

Prior art keywords

heating element

electric furnace

furnace

lanthanum chromite

constructed

Prior art date

1990-09-21

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000010438 heat treatment Methods 0.000 claims description 4
• 239000000919 ceramic Substances 0.000 claims description 3
• NFYLSJDPENHSBT-UHFFFAOYSA-N chromium(3+);lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+3].[La+3] NFYLSJDPENHSBT-UHFFFAOYSA-N 0.000 claims description 3
• 239000011094 fiberboard Substances 0.000 claims 1
• 230000035515 penetration Effects 0.000 description 1