JPH0475992B2 - - Google Patents

Info

Publication number
JPH0475992B2
JPH0475992B2 JP62201843A JP20184387A JPH0475992B2 JP H0475992 B2 JPH0475992 B2 JP H0475992B2 JP 62201843 A JP62201843 A JP 62201843A JP 20184387 A JP20184387 A JP 20184387A JP H0475992 B2 JPH0475992 B2 JP H0475992B2
Authority
JP
Japan
Prior art keywords
shell
bucket
attached
kelly
cutters
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.)
Expired - Lifetime
Application number
JP62201843A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6448987A (en
Inventor
Katsuhiko Harada
Hiroshi Kusumi
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.)
Hitachi Construction Machinery Co Ltd
Shimizu Construction Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Shimizu 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 Hitachi Construction Machinery Co Ltd, Shimizu Construction Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP20184387A priority Critical patent/JPS6448987A/ja
Publication of JPS6448987A publication Critical patent/JPS6448987A/ja
Publication of JPH0475992B2 publication Critical patent/JPH0475992B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP20184387A 1987-08-14 1987-08-14 Method of shaft excavation construction and shell open-close type drilling bucket Granted JPS6448987A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20184387A JPS6448987A (en) 1987-08-14 1987-08-14 Method of shaft excavation construction and shell open-close type drilling bucket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20184387A JPS6448987A (en) 1987-08-14 1987-08-14 Method of shaft excavation construction and shell open-close type drilling bucket

Publications (2)

Publication Number Publication Date
JPS6448987A JPS6448987A (en) 1989-02-23
JPH0475992B2 true JPH0475992B2 (enEXAMPLES) 1992-12-02

Family

ID=16447813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20184387A Granted JPS6448987A (en) 1987-08-14 1987-08-14 Method of shaft excavation construction and shell open-close type drilling bucket

Country Status (1)

Country Link
JP (1) JPS6448987A (enEXAMPLES)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0619669Y2 (ja) * 1988-01-13 1994-05-25 株式会社竹中工務店 回転堀削機用底浚えバケット
JP7119381B2 (ja) * 2018-01-19 2022-08-17 日本基礎技術株式会社 地中構造物撤去装置及びこれを用いた地中構造物撤去方法
JP6886717B2 (ja) * 2018-11-02 2021-06-16 株式会社オーク 鋼管杭の施工方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827400B2 (ja) * 1980-05-26 1983-06-09 ライト工業株式会社 大口径掘削孔の掘削方法およびその装置
JPS5824594B2 (ja) * 1980-09-30 1983-05-21 三和機工株式会社 掘削機
JPS5886289A (ja) * 1981-11-19 1983-05-23 富士通株式会社 ア−スドリルバケツトの自動排土装置
JPS5886286A (ja) * 1981-11-19 1983-05-23 富士通株式会社 ア−スドリルバケツトの自動排土装置
JPS5886287A (ja) * 1981-11-19 1983-05-23 日立建機株式会社 ア−スドリルバケツトの自動排土装置
JPS5886288A (ja) * 1981-11-19 1983-05-23 日立建機株式会社 ア−スドリルバケツトの自動排土装置

Also Published As

Publication number Publication date
JPS6448987A (en) 1989-02-23

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