JPS5231902A - Method and device for discharging slime from drill - Google Patents

Method and device for discharging slime from drill

Info

Publication number
JPS5231902A
JPS5231902A JP10808775A JP10808775A JPS5231902A JP S5231902 A JPS5231902 A JP S5231902A JP 10808775 A JP10808775 A JP 10808775A JP 10808775 A JP10808775 A JP 10808775A JP S5231902 A JPS5231902 A JP S5231902A
Authority
JP
Japan
Prior art keywords
drill
discharging slime
slime
discharging
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.)
Pending
Application number
JP10808775A
Other languages
Japanese (ja)
Inventor
Yoshihito Iwata
Hiroki Obata
Satoo Yamada
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP10808775A priority Critical patent/JPS5231902A/en
Publication of JPS5231902A publication Critical patent/JPS5231902A/en
Pending legal-status Critical Current

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)
JP10808775A 1975-09-08 1975-09-08 Method and device for discharging slime from drill Pending JPS5231902A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10808775A JPS5231902A (en) 1975-09-08 1975-09-08 Method and device for discharging slime from drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10808775A JPS5231902A (en) 1975-09-08 1975-09-08 Method and device for discharging slime from drill

Publications (1)

Publication Number Publication Date
JPS5231902A true JPS5231902A (en) 1977-03-10

Family

ID=14475529

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10808775A Pending JPS5231902A (en) 1975-09-08 1975-09-08 Method and device for discharging slime from drill

Country Status (1)

Country Link
JP (1) JPS5231902A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4881034U (en) * 1972-01-17 1973-10-03

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116289B2 (en) * 1973-04-26 1976-05-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116289B2 (en) * 1973-04-26 1976-05-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4881034U (en) * 1972-01-17 1973-10-03

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