JPS637417A - 杭孔拡底用掘削機の安全装置 - Google Patents

杭孔拡底用掘削機の安全装置

Info

Publication number
JPS637417A
JPS637417A JP14977986A JP14977986A JPS637417A JP S637417 A JPS637417 A JP S637417A JP 14977986 A JP14977986 A JP 14977986A JP 14977986 A JP14977986 A JP 14977986A JP S637417 A JPS637417 A JP S637417A
Authority
JP
Japan
Prior art keywords
oil
excavator
cutter
bucket
hose
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
JP14977986A
Other languages
English (en)
Japanese (ja)
Other versions
JPH047799B2 (enrdf_load_stackoverflow
Inventor
Katsumi Kitanaka
北中　克巳
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP14977986A priority Critical patent/JPS637417A/ja
Publication of JPS637417A publication Critical patent/JPS637417A/ja
Publication of JPH047799B2 publication Critical patent/JPH047799B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Piles And Underground Anchors (AREA)
  • Earth Drilling (AREA)
JP14977986A 1986-06-27 1986-06-27 杭孔拡底用掘削機の安全装置 Granted JPS637417A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14977986A JPS637417A (ja) 1986-06-27 1986-06-27 杭孔拡底用掘削機の安全装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14977986A JPS637417A (ja) 1986-06-27 1986-06-27 杭孔拡底用掘削機の安全装置

Publications (2)

Publication Number Publication Date
JPS637417A true JPS637417A (ja) 1988-01-13
JPH047799B2 JPH047799B2 (enrdf_load_stackoverflow) 1992-02-13

Family

ID=15482537

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14977986A Granted JPS637417A (ja) 1986-06-27 1986-06-27 杭孔拡底用掘削機の安全装置

Country Status (1)

Country Link
JP (1) JPS637417A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0366824A (ja) * 1989-08-04 1991-03-22 Takechi Koumushiyo:Kk 場所打ち杭等基礎杭の掘孔方法及びその装置
US5908268A (en) * 1988-12-29 1999-06-01 Takechi Engineering Co., Ltd. Method of making a hole for a foundation pile
JP2018193786A (ja) * 2017-05-18 2018-12-06 株式会社長谷工コーポレーション 掘削孔の拡径装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5908268A (en) * 1988-12-29 1999-06-01 Takechi Engineering Co., Ltd. Method of making a hole for a foundation pile
JPH0366824A (ja) * 1989-08-04 1991-03-22 Takechi Koumushiyo:Kk 場所打ち杭等基礎杭の掘孔方法及びその装置
JP2018193786A (ja) * 2017-05-18 2018-12-06 株式会社長谷工コーポレーション 掘削孔の拡径装置

Also Published As

Publication number Publication date
JPH047799B2 (enrdf_load_stackoverflow) 1992-02-13

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