JPS5886287A - ア−スドリルバケツトの自動排土装置 - Google Patents

ア−スドリルバケツトの自動排土装置

Info

Publication number
JPS5886287A
JPS5886287A JP18440881A JP18440881A JPS5886287A JP S5886287 A JPS5886287 A JP S5886287A JP 18440881 A JP18440881 A JP 18440881A JP 18440881 A JP18440881 A JP 18440881A JP S5886287 A JPS5886287 A JP S5886287A
Authority
JP
Japan
Prior art keywords
packet
kelly bar
bottom cover
handle
earth
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
JP18440881A
Other languages
English (en)
Japanese (ja)
Other versions
JPS614477B2 (enrdf_load_stackoverflow
Inventor
平野　信孝
久住　宏
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
Original Assignee
Hitachi Construction Machinery 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 filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP18440881A priority Critical patent/JPS5886287A/ja
Publication of JPS5886287A publication Critical patent/JPS5886287A/ja
Publication of JPS614477B2 publication Critical patent/JPS614477B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP18440881A 1981-11-19 1981-11-19 ア−スドリルバケツトの自動排土装置 Granted JPS5886287A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18440881A JPS5886287A (ja) 1981-11-19 1981-11-19 ア−スドリルバケツトの自動排土装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18440881A JPS5886287A (ja) 1981-11-19 1981-11-19 ア−スドリルバケツトの自動排土装置

Publications (2)

Publication Number Publication Date
JPS5886287A true JPS5886287A (ja) 1983-05-23
JPS614477B2 JPS614477B2 (enrdf_load_stackoverflow) 1986-02-10

Family

ID=16152640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18440881A Granted JPS5886287A (ja) 1981-11-19 1981-11-19 ア−スドリルバケツトの自動排土装置

Country Status (1)

Country Link
JP (1) JPS5886287A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6448987A (en) * 1987-08-14 1989-02-23 Harada Kensetsu Kk Method of shaft excavation construction and shell open-close type drilling bucket

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6448987A (en) * 1987-08-14 1989-02-23 Harada Kensetsu Kk Method of shaft excavation construction and shell open-close type drilling bucket

Also Published As

Publication number Publication date
JPS614477B2 (enrdf_load_stackoverflow) 1986-02-10

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