JPS6118404Y2 - - Google Patents

Info

Publication number

JPS6118404Y2

JPS6118404Y2 JP13276879U JP13276879U JPS6118404Y2 JP S6118404 Y2 JPS6118404 Y2 JP S6118404Y2 JP 13276879 U JP13276879 U JP 13276879U JP 13276879 U JP13276879 U JP 13276879U JP S6118404 Y2 JPS6118404 Y2 JP S6118404Y2

Authority

JP

Japan

Prior art keywords

screw

detection rod

end opening

lid body

duct

Prior art date

1979-09-25

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.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• 238000001514 detection method Methods 0.000 claims description 16
• 238000005259 measurement Methods 0.000 claims description 15
• 238000012856 packing Methods 0.000 claims description 9
• 239000012530 fluid Substances 0.000 claims description 8
• 239000000463 material Substances 0.000 claims description 3
• 230000002093 peripheral effect Effects 0.000 claims description 3
• 230000000149 penetrating effect Effects 0.000 claims description 2
• 238000004891 communication Methods 0.000 description 6
• 230000000694 effects Effects 0.000 description 2
• 230000002411 adverse Effects 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 238000000691 measurement method Methods 0.000 description 1
• 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
• 229920002554 vinyl polymer Polymers 0.000 description 1