JPS623559U - - Google Patents

Info

Publication number

JPS623559U

JPS623559U JP9388285U JP9388285U JPS623559U JP S623559 U JPS623559 U JP S623559U JP 9388285 U JP9388285 U JP 9388285U JP 9388285 U JP9388285 U JP 9388285U JP S623559 U JPS623559 U JP S623559U

Authority

JP

Japan

Prior art keywords

vacuum degassing

degassing device

refractory

cover

immersion tube

Prior art date

1985-06-20

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

• 238000007654 immersion Methods 0.000 claims description 3
• 239000011261 inert gas Substances 0.000 claims description 2
• 238000009849 vacuum degassing Methods 0.000 claims 4
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
• 229910052799 carbon Inorganic materials 0.000 claims 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• 238000007872 degassing Methods 0.000 description 1
• 238000007598 dipping method Methods 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• 239000010959 steel Substances 0.000 description 1