JPH02132648U - - Google Patents

Info

Publication number

JPH02132648U

JPH02132648U JP4018889U JP4018889U JPH02132648U JP H02132648 U JPH02132648 U JP H02132648U JP 4018889 U JP4018889 U JP 4018889U JP 4018889 U JP4018889 U JP 4018889U JP H02132648 U JPH02132648 U JP H02132648U

Authority

JP

Japan

Prior art keywords

flange joint

rings

vacuum degassing

degassing device

gas

Prior art date

1989-04-05

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 4
• 238000009849 vacuum degassing Methods 0.000 claims description 4
• 238000007872 degassing Methods 0.000 claims 1
• 238000007789 sealing Methods 0.000 claims 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 239000010959 steel Substances 0.000 description 1
• 238000009489 vacuum treatment Methods 0.000 description 1