JPH0280187U - - Google Patents

Info

Publication number
JPH0280187U
JPH0280187U JP15863588U JP15863588U JPH0280187U JP H0280187 U JPH0280187 U JP H0280187U JP 15863588 U JP15863588 U JP 15863588U JP 15863588 U JP15863588 U JP 15863588U JP H0280187 U JPH0280187 U JP H0280187U
Authority
JP
Japan
Prior art keywords
hole
tip
drill
drill rod
casing
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
JP15863588U
Other languages
English (en)
Japanese (ja)
Other versions
JPH072775Y2 (ja
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 JP1988158635U priority Critical patent/JPH072775Y2/ja
Publication of JPH0280187U publication Critical patent/JPH0280187U/ja
Application granted granted Critical
Publication of JPH072775Y2 publication Critical patent/JPH072775Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1988158635U 1988-12-06 1988-12-06 逆循環マルチタイプダウンザホールドリル Expired - Lifetime JPH072775Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988158635U JPH072775Y2 (ja) 1988-12-06 1988-12-06 逆循環マルチタイプダウンザホールドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988158635U JPH072775Y2 (ja) 1988-12-06 1988-12-06 逆循環マルチタイプダウンザホールドリル

Publications (2)

Publication Number Publication Date
JPH0280187U true JPH0280187U (en]) 1990-06-20
JPH072775Y2 JPH072775Y2 (ja) 1995-01-25

Family

ID=31439136

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988158635U Expired - Lifetime JPH072775Y2 (ja) 1988-12-06 1988-12-06 逆循環マルチタイプダウンザホールドリル

Country Status (1)

Country Link
JP (1) JPH072775Y2 (en])

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005115670A2 (en) 2004-05-25 2005-12-08 Hakko Corporation Soldering iron with replaceable tip
JP2011069150A (ja) * 2009-09-28 2011-04-07 Fumio Hoshi 硬岩地盤削孔用サイクルハンマー
JP2013002039A (ja) * 2011-06-13 2013-01-07 Kensho Co Ltd 削孔用エアハンマー装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62185995A (ja) * 1986-02-13 1987-08-14 株式会社　利根ボ−リング 湿式空圧打撃掘削装置
JPS6327559U (en]) * 1986-08-08 1988-02-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62185995A (ja) * 1986-02-13 1987-08-14 株式会社　利根ボ−リング 湿式空圧打撃掘削装置
JPS6327559U (en]) * 1986-08-08 1988-02-23

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005115670A2 (en) 2004-05-25 2005-12-08 Hakko Corporation Soldering iron with replaceable tip
JP2011069150A (ja) * 2009-09-28 2011-04-07 Fumio Hoshi 硬岩地盤削孔用サイクルハンマー
JP2013002039A (ja) * 2011-06-13 2013-01-07 Kensho Co Ltd 削孔用エアハンマー装置

Also Published As

Publication number Publication date
JPH072775Y2 (ja) 1995-01-25

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