JPH0246847U - - Google Patents

Info

Publication number

JPH0246847U

JPH0246847U JP12574788U JP12574788U JPH0246847U JP H0246847 U JPH0246847 U JP H0246847U JP 12574788 U JP12574788 U JP 12574788U JP 12574788 U JP12574788 U JP 12574788U JP H0246847 U JPH0246847 U JP H0246847U

Authority

JP

Japan

Prior art keywords

tube

vacuum degassing

inert gas

gas blowing

flange

Prior art date

1988-09-28

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

• 238000007664 blowing Methods 0.000 claims description 4
• 239000011261 inert gas Substances 0.000 claims description 4
• 238000007789 sealing Methods 0.000 claims description 3
• 238000007654 immersion Methods 0.000 claims description 2
• 230000002093 peripheral effect Effects 0.000 claims description 2
• 229910000831 Steel Inorganic materials 0.000 claims 2
• 239000010959 steel Substances 0.000 claims 2
• 238000009849 vacuum degassing Methods 0.000 claims 2
• 238000010992 reflux Methods 0.000 description 2
• 238000010586 diagram Methods 0.000 description 1
• 239000011823 monolithic refractory Substances 0.000 description 1
• 230000002265 prevention Effects 0.000 description 1