JPH0190898U - - Google Patents

Info

Publication number
JPH0190898U
JPH0190898U JP18294287U JP18294287U JPH0190898U JP H0190898 U JPH0190898 U JP H0190898U JP 18294287 U JP18294287 U JP 18294287U JP 18294287 U JP18294287 U JP 18294287U JP H0190898 U JPH0190898 U JP H0190898U
Authority
JP
Japan
Prior art keywords
tip
drill
guide surface
sheath
tube
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
JP18294287U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0526154Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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 JP18294287U priority Critical patent/JPH0526154Y2/ja
Publication of JPH0190898U publication Critical patent/JPH0190898U/ja
Application granted granted Critical
Publication of JPH0526154Y2 publication Critical patent/JPH0526154Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
JP18294287U 1987-12-02 1987-12-02 Expired - Lifetime JPH0526154Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18294287U JPH0526154Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-12-02 1987-12-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18294287U JPH0526154Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-12-02 1987-12-02

Publications (2)

Publication Number Publication Date
JPH0190898U true JPH0190898U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-06-14
JPH0526154Y2 JPH0526154Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-07-01

Family

ID=31474381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18294287U Expired - Lifetime JPH0526154Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-12-02 1987-12-02

Country Status (1)

Country Link
JP (1) JPH0526154Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPH0526154Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-07-01

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