JPS62200786U - - Google Patents

Info

Publication number
JPS62200786U
JPS62200786U JP8640286U JP8640286U JPS62200786U JP S62200786 U JPS62200786 U JP S62200786U JP 8640286 U JP8640286 U JP 8640286U JP 8640286 U JP8640286 U JP 8640286U JP S62200786 U JPS62200786 U JP S62200786U
Authority
JP
Japan
Prior art keywords
bit
air
suction port
drilling equipment
wet
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
JP8640286U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0434231Y2 (it
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 JP8640286U priority Critical patent/JPH0434231Y2/ja
Publication of JPS62200786U publication Critical patent/JPS62200786U/ja
Application granted granted Critical
Publication of JPH0434231Y2 publication Critical patent/JPH0434231Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP8640286U 1986-06-06 1986-06-06 Expired JPH0434231Y2 (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8640286U JPH0434231Y2 (it) 1986-06-06 1986-06-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8640286U JPH0434231Y2 (it) 1986-06-06 1986-06-06

Publications (2)

Publication Number Publication Date
JPS62200786U true JPS62200786U (it) 1987-12-21
JPH0434231Y2 JPH0434231Y2 (it) 1992-08-14

Family

ID=30942674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8640286U Expired JPH0434231Y2 (it) 1986-06-06 1986-06-06

Country Status (1)

Country Link
JP (1) JPH0434231Y2 (it)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019094708A (ja) * 2017-11-24 2019-06-20 大智株式会社 掘削装置、回転式掘削機、掘削方法および掘削ビット
JP2019116808A (ja) * 2017-12-27 2019-07-18 大智株式会社 掘削装置、回転式掘削機、掘削方法および掘削ビット
JP2019124009A (ja) * 2018-01-12 2019-07-25 大智株式会社 掘削装置、回転式掘削機、掘削方法および掘削ビット
JP2020090864A (ja) * 2018-12-06 2020-06-11 大智株式会社 掘削装置、および、回転式掘削機

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019094708A (ja) * 2017-11-24 2019-06-20 大智株式会社 掘削装置、回転式掘削機、掘削方法および掘削ビット
JP2019116808A (ja) * 2017-12-27 2019-07-18 大智株式会社 掘削装置、回転式掘削機、掘削方法および掘削ビット
JP2019124009A (ja) * 2018-01-12 2019-07-25 大智株式会社 掘削装置、回転式掘削機、掘削方法および掘削ビット
JP2020090864A (ja) * 2018-12-06 2020-06-11 大智株式会社 掘削装置、および、回転式掘削機

Also Published As

Publication number Publication date
JPH0434231Y2 (it) 1992-08-14

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