JPH0165333U - - Google Patents

Info

Publication number
JPH0165333U
JPH0165333U JP1987160019U JP16001987U JPH0165333U JP H0165333 U JPH0165333 U JP H0165333U JP 1987160019 U JP1987160019 U JP 1987160019U JP 16001987 U JP16001987 U JP 16001987U JP H0165333 U JPH0165333 U JP H0165333U
Authority
JP
Japan
Prior art keywords
ring
casing
fluid supply
outside
sand
Prior art date
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.)
Granted
Application number
JP1987160019U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0538124Y2 (US06168776-20010102-C00041.png
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP16001987U priority Critical patent/JPH0538124Y2/ja
Publication of JPH0165333U publication Critical patent/JPH0165333U/ja
Application granted granted Critical
Publication of JPH0538124Y2 publication Critical patent/JPH0538124Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Earth Drilling (AREA)
JP16001987U 1987-10-21 1987-10-21 Expired - Lifetime JPH0538124Y2 (US06168776-20010102-C00041.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16001987U JPH0538124Y2 (US06168776-20010102-C00041.png) 1987-10-21 1987-10-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16001987U JPH0538124Y2 (US06168776-20010102-C00041.png) 1987-10-21 1987-10-21

Publications (2)

Publication Number Publication Date
JPH0165333U true JPH0165333U (US06168776-20010102-C00041.png) 1989-04-26
JPH0538124Y2 JPH0538124Y2 (US06168776-20010102-C00041.png) 1993-09-27

Family

ID=31441724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16001987U Expired - Lifetime JPH0538124Y2 (US06168776-20010102-C00041.png) 1987-10-21 1987-10-21

Country Status (1)

Country Link
JP (1) JPH0538124Y2 (US06168776-20010102-C00041.png)

Also Published As

Publication number Publication date
JPH0538124Y2 (US06168776-20010102-C00041.png) 1993-09-27

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