JPH0135531Y2 - - Google Patents

Info

Publication number

JPH0135531Y2

JPH0135531Y2 JP18424484U JP18424484U JPH0135531Y2 JP H0135531 Y2 JPH0135531 Y2 JP H0135531Y2 JP 18424484 U JP18424484 U JP 18424484U JP 18424484 U JP18424484 U JP 18424484U JP H0135531 Y2 JPH0135531 Y2 JP H0135531Y2

Authority

JP

Japan

Prior art keywords

hole

cover plate

adjustment bolt

wire group

concrete

Prior art date

1984-12-06

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

• 230000008878 coupling Effects 0.000 claims description 7
• 238000010168 coupling process Methods 0.000 claims description 7
• 238000005859 coupling reaction Methods 0.000 claims description 7
• 230000035515 penetration Effects 0.000 claims description 7
• 239000000945 filler Substances 0.000 claims description 5
• 239000002184 metal Substances 0.000 claims 1
• 238000005192 partition Methods 0.000 description 17
• 230000000149 penetrating effect Effects 0.000 description 5
• 238000010276 construction Methods 0.000 description 3
• 239000000779 smoke Substances 0.000 description 3
• 229910052918 calcium silicate Inorganic materials 0.000 description 2
• 239000000378 calcium silicate Substances 0.000 description 2
• OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 238000005553 drilling Methods 0.000 description 1
• 239000000428 dust Substances 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 230000037431 insertion Effects 0.000 description 1
• 238000003780 insertion Methods 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 230000007257 malfunction Effects 0.000 description 1