JPS5820892A - 大口径掘削機 - Google Patents

大口径掘削機

Info

Publication number
JPS5820892A
JPS5820892A JP12120781A JP12120781A JPS5820892A JP S5820892 A JPS5820892 A JP S5820892A JP 12120781 A JP12120781 A JP 12120781A JP 12120781 A JP12120781 A JP 12120781A JP S5820892 A JPS5820892 A JP S5820892A
Authority
JP
Japan
Prior art keywords
yoke
kelly bar
drilling bucket
casing tube
drive device
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
JP12120781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS616236B2 (enExample
Inventor
村井　俊夫
小出　昭雄
宮口　正夫
石川　善弘
平林　長一
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.)
Takenaka Komuten Co Ltd
Hirabayashi Seisakusho KK
Original Assignee
Takenaka Komuten Co Ltd
Hirabayashi 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 Takenaka Komuten Co Ltd, Hirabayashi Seisakusho KK filed Critical Takenaka Komuten Co Ltd
Priority to JP12120781A priority Critical patent/JPS5820892A/ja
Publication of JPS5820892A publication Critical patent/JPS5820892A/ja
Publication of JPS616236B2 publication Critical patent/JPS616236B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP12120781A 1981-07-31 1981-07-31 大口径掘削機 Granted JPS5820892A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12120781A JPS5820892A (ja) 1981-07-31 1981-07-31 大口径掘削機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12120781A JPS5820892A (ja) 1981-07-31 1981-07-31 大口径掘削機

Publications (2)

Publication Number Publication Date
JPS5820892A true JPS5820892A (ja) 1983-02-07
JPS616236B2 JPS616236B2 (enExample) 1986-02-25

Family

ID=14805517

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12120781A Granted JPS5820892A (ja) 1981-07-31 1981-07-31 大口径掘削機

Country Status (1)

Country Link
JP (1) JPS5820892A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11754430B2 (en) 2018-03-09 2023-09-12 Kautex Textron Gmbh & Co. Kg Operating fluid container with capacitive detection of filling levels

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010070969A (ja) * 2008-09-18 2010-04-02 Tatsuhito Takashima 掘削装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11754430B2 (en) 2018-03-09 2023-09-12 Kautex Textron Gmbh & Co. Kg Operating fluid container with capacitive detection of filling levels

Also Published As

Publication number Publication date
JPS616236B2 (enExample) 1986-02-25

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