JPH0415826Y2 - - Google Patents

Info

Publication number
JPH0415826Y2
JPH0415826Y2 JP1990111612U JP11161290U JPH0415826Y2 JP H0415826 Y2 JPH0415826 Y2 JP H0415826Y2 JP 1990111612 U JP1990111612 U JP 1990111612U JP 11161290 U JP11161290 U JP 11161290U JP H0415826 Y2 JPH0415826 Y2 JP H0415826Y2
Authority
JP
Japan
Prior art keywords
blade
casing pipe
casing
excavation
bolt
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
JP1990111612U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0393896U (en]
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 JP1990111612U priority Critical patent/JPH0415826Y2/ja
Publication of JPH0393896U publication Critical patent/JPH0393896U/ja
Application granted granted Critical
Publication of JPH0415826Y2 publication Critical patent/JPH0415826Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1990111612U 1990-10-26 1990-10-26 Expired JPH0415826Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990111612U JPH0415826Y2 (en]) 1990-10-26 1990-10-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990111612U JPH0415826Y2 (en]) 1990-10-26 1990-10-26

Publications (2)

Publication Number Publication Date
JPH0393896U JPH0393896U (en]) 1991-09-25
JPH0415826Y2 true JPH0415826Y2 (en]) 1992-04-09

Family

ID=31660084

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990111612U Expired JPH0415826Y2 (en]) 1990-10-26 1990-10-26

Country Status (1)

Country Link
JP (1) JPH0415826Y2 (en])

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4521086Y1 (en]) * 1967-02-16 1970-08-22
JPS5520876Y2 (en]) * 1974-03-04 1980-05-19
US3999620A (en) * 1975-05-30 1976-12-28 Watson, Incorporated Core barrel
JPS6145272Y2 (en]) * 1978-03-25 1986-12-19
JPS56119030A (en) * 1980-02-23 1981-09-18 Hajime Matsuzawa Performance of work for placing an embedded pile and device for carrying out the said performance
JPS58115592U (ja) * 1982-02-01 1983-08-06 日本タングステン株式会社 岩掘削カツタ−装置用カツタ−ビツト

Also Published As

Publication number Publication date
JPH0393896U (en]) 1991-09-25

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