JPS6327511B2 - - Google Patents

Info

Publication number
JPS6327511B2
JPS6327511B2 JP57098999A JP9899982A JPS6327511B2 JP S6327511 B2 JPS6327511 B2 JP S6327511B2 JP 57098999 A JP57098999 A JP 57098999A JP 9899982 A JP9899982 A JP 9899982A JP S6327511 B2 JPS6327511 B2 JP S6327511B2
Authority
JP
Japan
Prior art keywords
rod
diameter
hole
rock drill
striking
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.)
Expired
Application number
JP57098999A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58218584A (ja
Inventor
Ikuo Ito
Moriharu Takeda
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.)
OKADA AIYON KK
TEIKOKU SAKUGANKI SEISAKUSHO KK
Original Assignee
OKADA AIYON KK
TEIKOKU SAKUGANKI SEISAKUSHO KK
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 OKADA AIYON KK, TEIKOKU SAKUGANKI SEISAKUSHO KK filed Critical OKADA AIYON KK
Priority to JP9899982A priority Critical patent/JPS58218584A/ja
Publication of JPS58218584A publication Critical patent/JPS58218584A/ja
Publication of JPS6327511B2 publication Critical patent/JPS6327511B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP9899982A 1982-06-09 1982-06-09 大口径穴さく岩機 Granted JPS58218584A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9899982A JPS58218584A (ja) 1982-06-09 1982-06-09 大口径穴さく岩機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9899982A JPS58218584A (ja) 1982-06-09 1982-06-09 大口径穴さく岩機

Publications (2)

Publication Number Publication Date
JPS58218584A JPS58218584A (ja) 1983-12-19
JPS6327511B2 true JPS6327511B2 (enExample) 1988-06-03

Family

ID=14234664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9899982A Granted JPS58218584A (ja) 1982-06-09 1982-06-09 大口径穴さく岩機

Country Status (1)

Country Link
JP (1) JPS58218584A (enExample)

Also Published As

Publication number Publication date
JPS58218584A (ja) 1983-12-19

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