JPH02236388A - 拡底杭用の拡底部掘削方法 - Google Patents

拡底杭用の拡底部掘削方法

Info

Publication number
JPH02236388A
JPH02236388A JP3037790A JP3037790A JPH02236388A JP H02236388 A JPH02236388 A JP H02236388A JP 3037790 A JP3037790 A JP 3037790A JP 3037790 A JP3037790 A JP 3037790A JP H02236388 A JPH02236388 A JP H02236388A
Authority
JP
Japan
Prior art keywords
blade
bucket
expanded
lower blade
shaft
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
JP3037790A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0340198B2 (enrdf_load_stackoverflow
Inventor
Masakazu Masuda
増田　正和
Hirozo Sakamoto
坂本　博三
Masao Miyake
三宅　政夫
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.)
MARUGO KISO KOGYO KK
Okumura Corp
Original Assignee
MARUGO KISO KOGYO KK
Okumura Corp
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 MARUGO KISO KOGYO KK, Okumura Corp filed Critical MARUGO KISO KOGYO KK
Priority to JP3037790A priority Critical patent/JPH02236388A/ja
Publication of JPH02236388A publication Critical patent/JPH02236388A/ja
Publication of JPH0340198B2 publication Critical patent/JPH0340198B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP3037790A 1990-02-09 1990-02-09 拡底杭用の拡底部掘削方法 Granted JPH02236388A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3037790A JPH02236388A (ja) 1990-02-09 1990-02-09 拡底杭用の拡底部掘削方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3037790A JPH02236388A (ja) 1990-02-09 1990-02-09 拡底杭用の拡底部掘削方法

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP14857985A Division JPS6210392A (ja) 1985-07-05 1985-07-05 拡底杭用の拡底部掘削機

Publications (2)

Publication Number Publication Date
JPH02236388A true JPH02236388A (ja) 1990-09-19
JPH0340198B2 JPH0340198B2 (enrdf_load_stackoverflow) 1991-06-18

Family

ID=12302191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3037790A Granted JPH02236388A (ja) 1990-02-09 1990-02-09 拡底杭用の拡底部掘削方法

Country Status (1)

Country Link
JP (1) JPH02236388A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0340198B2 (enrdf_load_stackoverflow) 1991-06-18

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