JPS63848Y2 - - Google Patents

Info

Publication number
JPS63848Y2
JPS63848Y2 JP1981048093U JP4809381U JPS63848Y2 JP S63848 Y2 JPS63848 Y2 JP S63848Y2 JP 1981048093 U JP1981048093 U JP 1981048093U JP 4809381 U JP4809381 U JP 4809381U JP S63848 Y2 JPS63848 Y2 JP S63848Y2
Authority
JP
Japan
Prior art keywords
spiral
soil
top plate
rotating shaft
guide body
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
Application number
JP1981048093U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57160357U (pm
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 filed Critical
Priority to JP1981048093U priority Critical patent/JPS63848Y2/ja
Publication of JPS57160357U publication Critical patent/JPS57160357U/ja
Application granted granted Critical
Publication of JPS63848Y2 publication Critical patent/JPS63848Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1981048093U 1981-04-03 1981-04-03 Expired JPS63848Y2 (pm)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981048093U JPS63848Y2 (pm) 1981-04-03 1981-04-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981048093U JPS63848Y2 (pm) 1981-04-03 1981-04-03

Publications (2)

Publication Number Publication Date
JPS57160357U JPS57160357U (pm) 1982-10-08
JPS63848Y2 true JPS63848Y2 (pm) 1988-01-11

Family

ID=29844843

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981048093U Expired JPS63848Y2 (pm) 1981-04-03 1981-04-03

Country Status (1)

Country Link
JP (1) JPS63848Y2 (pm)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036801U (pm) * 1973-08-03 1975-04-17
JPS54175101U (pm) * 1978-05-31 1979-12-11

Also Published As

Publication number Publication date
JPS57160357U (pm) 1982-10-08

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