JPS60190886U - 異形ドリリングバケツト - Google Patents

異形ドリリングバケツト

Info

Publication number
JPS60190886U
JPS60190886U JP7517884U JP7517884U JPS60190886U JP S60190886 U JPS60190886 U JP S60190886U JP 7517884 U JP7517884 U JP 7517884U JP 7517884 U JP7517884 U JP 7517884U JP S60190886 U JPS60190886 U JP S60190886U
Authority
JP
Japan
Prior art keywords
conical surface
drilling bucket
elliptic
continuous
irregular
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
JP7517884U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0115750Y2 (enrdf_load_stackoverflow
Inventor
久保田　好男
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.)
Nittoc Constructions Co Ltd
Original Assignee
Nittoc Constructions 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 Nittoc Constructions Co Ltd filed Critical Nittoc Constructions Co Ltd
Priority to JP7517884U priority Critical patent/JPS60190886U/ja
Publication of JPS60190886U publication Critical patent/JPS60190886U/ja
Application granted granted Critical
Publication of JPH0115750Y2 publication Critical patent/JPH0115750Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP7517884U 1984-05-24 1984-05-24 異形ドリリングバケツト Granted JPS60190886U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7517884U JPS60190886U (ja) 1984-05-24 1984-05-24 異形ドリリングバケツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7517884U JPS60190886U (ja) 1984-05-24 1984-05-24 異形ドリリングバケツト

Publications (2)

Publication Number Publication Date
JPS60190886U true JPS60190886U (ja) 1985-12-18
JPH0115750Y2 JPH0115750Y2 (enrdf_load_stackoverflow) 1989-05-10

Family

ID=30616157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7517884U Granted JPS60190886U (ja) 1984-05-24 1984-05-24 異形ドリリングバケツト

Country Status (1)

Country Link
JP (1) JPS60190886U (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100208546B1 (ko) * 1994-08-25 1999-07-15 야마오까 유지 세로 구멍용 굴착기

Also Published As

Publication number Publication date
JPH0115750Y2 (enrdf_load_stackoverflow) 1989-05-10

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