JPS56125592A - Boring head - Google Patents

Boring head

Info

Publication number
JPS56125592A
JPS56125592A JP2799480A JP2799480A JPS56125592A JP S56125592 A JPS56125592 A JP S56125592A JP 2799480 A JP2799480 A JP 2799480A JP 2799480 A JP2799480 A JP 2799480A JP S56125592 A JPS56125592 A JP S56125592A
Authority
JP
Japan
Prior art keywords
boring head
boring
head
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
JP2799480A
Other languages
Japanese (ja)
Other versions
JPS6238514B2 (en
Inventor
Mamoru Nishiguchi
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.)
NIPPON BII TEE EE KK
Original Assignee
NIPPON BII TEE EE 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 NIPPON BII TEE EE KK filed Critical NIPPON BII TEE EE KK
Priority to JP2799480A priority Critical patent/JPS56125592A/en
Publication of JPS56125592A publication Critical patent/JPS56125592A/en
Publication of JPS6238514B2 publication Critical patent/JPS6238514B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP2799480A 1980-03-07 1980-03-07 Boring head Granted JPS56125592A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2799480A JPS56125592A (en) 1980-03-07 1980-03-07 Boring head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2799480A JPS56125592A (en) 1980-03-07 1980-03-07 Boring head

Publications (2)

Publication Number Publication Date
JPS56125592A true JPS56125592A (en) 1981-10-01
JPS6238514B2 JPS6238514B2 (en) 1987-08-18

Family

ID=12236368

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2799480A Granted JPS56125592A (en) 1980-03-07 1980-03-07 Boring head

Country Status (1)

Country Link
JP (1) JPS56125592A (en)

Also Published As

Publication number Publication date
JPS6238514B2 (en) 1987-08-18

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