JPS55148886A - Drill - Google Patents

Drill

Info

Publication number
JPS55148886A
JPS55148886A JP5414879A JP5414879A JPS55148886A JP S55148886 A JPS55148886 A JP S55148886A JP 5414879 A JP5414879 A JP 5414879A JP 5414879 A JP5414879 A JP 5414879A JP S55148886 A JPS55148886 A JP S55148886A
Authority
JP
Japan
Prior art keywords
drill
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
JP5414879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS628594B2 (en]
Inventor
Motoyuki Takasu
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.)
Maruzen Kogyo Co Ltd
Tokyu Construction Co Ltd
Original Assignee
Maruzen Kogyo Co Ltd
Tokyu Construction Co Ltd
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 Maruzen Kogyo Co Ltd, Tokyu Construction Co Ltd filed Critical Maruzen Kogyo Co Ltd
Priority to JP5414879A priority Critical patent/JPS55148886A/ja
Publication of JPS55148886A publication Critical patent/JPS55148886A/ja
Publication of JPS628594B2 publication Critical patent/JPS628594B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP5414879A 1979-05-04 1979-05-04 Drill Granted JPS55148886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5414879A JPS55148886A (en) 1979-05-04 1979-05-04 Drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5414879A JPS55148886A (en) 1979-05-04 1979-05-04 Drill

Publications (2)

Publication Number Publication Date
JPS55148886A true JPS55148886A (en) 1980-11-19
JPS628594B2 JPS628594B2 (en]) 1987-02-24

Family

ID=12962459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5414879A Granted JPS55148886A (en) 1979-05-04 1979-05-04 Drill

Country Status (1)

Country Link
JP (1) JPS55148886A (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61176790A (ja) * 1985-01-31 1986-08-08 東急建設株式会社 削孔装置および削孔方向の修正方法
JPS61176789A (ja) * 1985-01-31 1986-08-08 東急建設株式会社 削孔装置および削孔方向の修正方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61176790A (ja) * 1985-01-31 1986-08-08 東急建設株式会社 削孔装置および削孔方向の修正方法
JPS61176789A (ja) * 1985-01-31 1986-08-08 東急建設株式会社 削孔装置および削孔方向の修正方法

Also Published As

Publication number Publication date
JPS628594B2 (en]) 1987-02-24

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