JPS52104401A - Air reversing type boring system - Google Patents

Air reversing type boring system

Info

Publication number
JPS52104401A
JPS52104401A JP2200076A JP2200076A JPS52104401A JP S52104401 A JPS52104401 A JP S52104401A JP 2200076 A JP2200076 A JP 2200076A JP 2200076 A JP2200076 A JP 2200076A JP S52104401 A JPS52104401 A JP S52104401A
Authority
JP
Japan
Prior art keywords
type boring
boring system
reversing type
air reversing
air
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
JP2200076A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5531873B2 (https=
Inventor
Naoki Bou
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.)
TONE KOJI KK
Original Assignee
TONE KOJI 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 TONE KOJI KK filed Critical TONE KOJI KK
Priority to JP2200076A priority Critical patent/JPS52104401A/ja
Publication of JPS52104401A publication Critical patent/JPS52104401A/ja
Publication of JPS5531873B2 publication Critical patent/JPS5531873B2/ja
Granted legal-status Critical Current

Links

JP2200076A 1976-03-01 1976-03-01 Air reversing type boring system Granted JPS52104401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2200076A JPS52104401A (en) 1976-03-01 1976-03-01 Air reversing type boring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2200076A JPS52104401A (en) 1976-03-01 1976-03-01 Air reversing type boring system

Publications (2)

Publication Number Publication Date
JPS52104401A true JPS52104401A (en) 1977-09-01
JPS5531873B2 JPS5531873B2 (https=) 1980-08-21

Family

ID=12070732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2200076A Granted JPS52104401A (en) 1976-03-01 1976-03-01 Air reversing type boring system

Country Status (1)

Country Link
JP (1) JPS52104401A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153089A (en) * 1980-04-28 1981-11-26 Takeshi Yamamoto Labor-saving large calibre drilling

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61204422A (ja) * 1985-03-06 1986-09-10 Murayama Doken:Kk 溝の堀削工法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48888U (https=) * 1971-05-26 1973-01-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48888U (https=) * 1971-05-26 1973-01-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153089A (en) * 1980-04-28 1981-11-26 Takeshi Yamamoto Labor-saving large calibre drilling

Also Published As

Publication number Publication date
JPS5531873B2 (https=) 1980-08-21

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