JPS6311789A - 掘削装置 - Google Patents

掘削装置

Info

Publication number
JPS6311789A
JPS6311789A JP15212686A JP15212686A JPS6311789A JP S6311789 A JPS6311789 A JP S6311789A JP 15212686 A JP15212686 A JP 15212686A JP 15212686 A JP15212686 A JP 15212686A JP S6311789 A JPS6311789 A JP S6311789A
Authority
JP
Japan
Prior art keywords
pit
excavation
shaft
hammer
blocks
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
JP15212686A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0321717B2 (enrdf_load_stackoverflow
Inventor
憲雄 籠田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Priority to JP15212686A priority Critical patent/JPS6311789A/ja
Publication of JPS6311789A publication Critical patent/JPS6311789A/ja
Publication of JPH0321717B2 publication Critical patent/JPH0321717B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP15212686A 1986-06-28 1986-06-28 掘削装置 Granted JPS6311789A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15212686A JPS6311789A (ja) 1986-06-28 1986-06-28 掘削装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15212686A JPS6311789A (ja) 1986-06-28 1986-06-28 掘削装置

Publications (2)

Publication Number Publication Date
JPS6311789A true JPS6311789A (ja) 1988-01-19
JPH0321717B2 JPH0321717B2 (enrdf_load_stackoverflow) 1991-03-25

Family

ID=15533629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15212686A Granted JPS6311789A (ja) 1986-06-28 1986-06-28 掘削装置

Country Status (1)

Country Link
JP (1) JPS6311789A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0441891A (ja) * 1990-06-06 1992-02-12 Koken Kogyo Kk リトラクトビット
US5113954A (en) * 1990-02-28 1992-05-19 Mitsubishi Materials Corporation Excavation tool
JPH04169690A (ja) * 1990-11-02 1992-06-17 Mitsubishi Materials Corp 掘削工具
JPH04237794A (ja) * 1991-01-16 1992-08-26 Norio Kagota 掘削方法および掘削装置
JPH05231085A (ja) * 1992-02-21 1993-09-07 Wako:Kk 掘削工法及び装置
JP2013227766A (ja) * 2012-04-25 2013-11-07 Mitsubishi Materials Corp 掘削工具
KR20210010445A (ko) * 2018-05-21 2021-01-27 에피록 로크 드릴스 악티에볼라그 드릴링 리그에서 드릴 비트 교체 시스템, 이러한 시스템을 포함하는 드릴링 리그 및 이러한 시스템을 사용한 드릴 비트 교체 방법

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113954A (en) * 1990-02-28 1992-05-19 Mitsubishi Materials Corporation Excavation tool
JPH0441891A (ja) * 1990-06-06 1992-02-12 Koken Kogyo Kk リトラクトビット
JPH04169690A (ja) * 1990-11-02 1992-06-17 Mitsubishi Materials Corp 掘削工具
JPH04237794A (ja) * 1991-01-16 1992-08-26 Norio Kagota 掘削方法および掘削装置
JPH05231085A (ja) * 1992-02-21 1993-09-07 Wako:Kk 掘削工法及び装置
JP2013227766A (ja) * 2012-04-25 2013-11-07 Mitsubishi Materials Corp 掘削工具
KR20210010445A (ko) * 2018-05-21 2021-01-27 에피록 로크 드릴스 악티에볼라그 드릴링 리그에서 드릴 비트 교체 시스템, 이러한 시스템을 포함하는 드릴링 리그 및 이러한 시스템을 사용한 드릴 비트 교체 방법
JP2021525842A (ja) * 2018-05-21 2021-09-27 エピロック ロック ドリルス アクチボラグ 掘削リグにおけるドリルビット交換システム、該交換システムを備えた掘削リグ及び該システムを使用するドリルビット交換方法

Also Published As

Publication number Publication date
JPH0321717B2 (enrdf_load_stackoverflow) 1991-03-25

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