JPS56153094A - Underground drilling rotary excavating cutter - Google Patents

Underground drilling rotary excavating cutter

Info

Publication number
JPS56153094A
JPS56153094A JP5697480A JP5697480A JPS56153094A JP S56153094 A JPS56153094 A JP S56153094A JP 5697480 A JP5697480 A JP 5697480A JP 5697480 A JP5697480 A JP 5697480A JP S56153094 A JPS56153094 A JP S56153094A
Authority
JP
Japan
Prior art keywords
underground drilling
rotary excavating
excavating cutter
drilling rotary
cutter
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
JP5697480A
Other languages
Japanese (ja)
Other versions
JPS5918515B2 (en
Inventor
Minoru Seya
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 JP5697480A priority Critical patent/JPS5918515B2/en
Publication of JPS56153094A publication Critical patent/JPS56153094A/en
Publication of JPS5918515B2 publication Critical patent/JPS5918515B2/en
Expired legal-status Critical Current

Links

JP5697480A 1980-04-28 1980-04-28 Rotary drilling blade for underground drilling Expired JPS5918515B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5697480A JPS5918515B2 (en) 1980-04-28 1980-04-28 Rotary drilling blade for underground drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5697480A JPS5918515B2 (en) 1980-04-28 1980-04-28 Rotary drilling blade for underground drilling

Publications (2)

Publication Number Publication Date
JPS56153094A true JPS56153094A (en) 1981-11-26
JPS5918515B2 JPS5918515B2 (en) 1984-04-27

Family

ID=13042484

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5697480A Expired JPS5918515B2 (en) 1980-04-28 1980-04-28 Rotary drilling blade for underground drilling

Country Status (1)

Country Link
JP (1) JPS5918515B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6121297A (en) * 1984-07-06 1986-01-29 岩井　準一 Freely rotatable drilling apparatus for drilling ground hole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6121297A (en) * 1984-07-06 1986-01-29 岩井　準一 Freely rotatable drilling apparatus for drilling ground hole

Also Published As

Publication number Publication date
JPS5918515B2 (en) 1984-04-27

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