JPS63219792A - 掘削装置 - Google Patents

掘削装置

Info

Publication number
JPS63219792A
JPS63219792A JP5269687A JP5269687A JPS63219792A JP S63219792 A JPS63219792 A JP S63219792A JP 5269687 A JP5269687 A JP 5269687A JP 5269687 A JP5269687 A JP 5269687A JP S63219792 A JPS63219792 A JP S63219792A
Authority
JP
Japan
Prior art keywords
shaft
bit
hole
groove
hammer
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
JP5269687A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0551755B2 (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 JP5269687A priority Critical patent/JPS63219792A/ja
Publication of JPS63219792A publication Critical patent/JPS63219792A/ja
Publication of JPH0551755B2 publication Critical patent/JPH0551755B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
JP5269687A 1987-03-06 1987-03-06 掘削装置 Granted JPS63219792A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5269687A JPS63219792A (ja) 1987-03-06 1987-03-06 掘削装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5269687A JPS63219792A (ja) 1987-03-06 1987-03-06 掘削装置

Publications (2)

Publication Number Publication Date
JPS63219792A true JPS63219792A (ja) 1988-09-13
JPH0551755B2 JPH0551755B2 (enrdf_load_stackoverflow) 1993-08-03

Family

ID=12922049

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5269687A Granted JPS63219792A (ja) 1987-03-06 1987-03-06 掘削装置

Country Status (1)

Country Link
JP (1) JPS63219792A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0518177A (ja) * 1990-07-27 1993-01-26 Mitsubishi Materials Corp 掘削工具

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5187401A (ja) * 1975-01-29 1976-07-31 Giin Aburahamu Kuatsusadoshogekisayosochi
JPS51121203U (enrdf_load_stackoverflow) * 1976-03-03 1976-10-01
JPS5445104U (enrdf_load_stackoverflow) * 1978-09-04 1979-03-28
JPS5973391A (ja) * 1982-10-20 1984-04-25 Mitsui Eng & Shipbuild Co Ltd 船舶における整流装置
JPS5976391A (ja) * 1982-10-25 1984-05-01 株式会社利根ボ−リング 空圧打撃式拡孔掘削装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5187401A (ja) * 1975-01-29 1976-07-31 Giin Aburahamu Kuatsusadoshogekisayosochi
JPS51121203U (enrdf_load_stackoverflow) * 1976-03-03 1976-10-01
JPS5445104U (enrdf_load_stackoverflow) * 1978-09-04 1979-03-28
JPS5973391A (ja) * 1982-10-20 1984-04-25 Mitsui Eng & Shipbuild Co Ltd 船舶における整流装置
JPS5976391A (ja) * 1982-10-25 1984-05-01 株式会社利根ボ−リング 空圧打撃式拡孔掘削装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0518177A (ja) * 1990-07-27 1993-01-26 Mitsubishi Materials Corp 掘削工具

Also Published As

Publication number Publication date
JPH0551755B2 (enrdf_load_stackoverflow) 1993-08-03

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