JPS639669Y2 - - Google Patents

Info

Publication number
JPS639669Y2
JPS639669Y2 JP1983003622U JP362283U JPS639669Y2 JP S639669 Y2 JPS639669 Y2 JP S639669Y2 JP 1983003622 U JP1983003622 U JP 1983003622U JP 362283 U JP362283 U JP 362283U JP S639669 Y2 JPS639669 Y2 JP S639669Y2
Authority
JP
Japan
Prior art keywords
cylinder body
hole
blade
piston
crown
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
JP1983003622U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59111889U (ja
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 JP362283U priority Critical patent/JPS59111889U/ja
Publication of JPS59111889U publication Critical patent/JPS59111889U/ja
Application granted granted Critical
Publication of JPS639669Y2 publication Critical patent/JPS639669Y2/ja
Granted legal-status Critical Current

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Landscapes

  • Earth Drilling (AREA)
JP362283U 1983-01-14 1983-01-14 拡孔ビツト Granted JPS59111889U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP362283U JPS59111889U (ja) 1983-01-14 1983-01-14 拡孔ビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP362283U JPS59111889U (ja) 1983-01-14 1983-01-14 拡孔ビツト

Publications (2)

Publication Number Publication Date
JPS59111889U JPS59111889U (ja) 1984-07-28
JPS639669Y2 true JPS639669Y2 (en, 2012) 1988-03-22

Family

ID=30135231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP362283U Granted JPS59111889U (ja) 1983-01-14 1983-01-14 拡孔ビツト

Country Status (1)

Country Link
JP (1) JPS59111889U (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6376528B2 (ja) * 2014-01-31 2018-08-22 中日本高速道路株式会社 アンカー孔拡径装置及びその装置を利用したアンカー孔拡径方法と拡張アンカー固定構造

Also Published As

Publication number Publication date
JPS59111889U (ja) 1984-07-28

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