JPH0481032U - - Google Patents

Info

Publication number

JPH0481032U

JPH0481032U JP12551790U JP12551790U JPH0481032U JP H0481032 U JPH0481032 U JP H0481032U JP 12551790 U JP12551790 U JP 12551790U JP 12551790 U JP12551790 U JP 12551790U JP H0481032 U JPH0481032 U JP H0481032U

Authority

JP

Japan

Prior art keywords

hood

helium gas

long

long pipe

leak

Prior art date

1990-11-28

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

• 239000001307 helium Substances 0.000 claims description 6
• 229910052734 helium Inorganic materials 0.000 claims description 6
• SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 6
• 239000007789 gas Substances 0.000 claims description 4
• 239000000344 soap Substances 0.000 claims 2
• 239000012159 carrier gas Substances 0.000 claims 1
• IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
• 229910001873 dinitrogen Inorganic materials 0.000 description 1

Cited By (2)