JPS63176194U - - Google Patents

Info

Publication number
JPS63176194U
JPS63176194U JP17764086U JP17764086U JPS63176194U JP S63176194 U JPS63176194 U JP S63176194U JP 17764086 U JP17764086 U JP 17764086U JP 17764086 U JP17764086 U JP 17764086U JP S63176194 U JPS63176194 U JP S63176194U
Authority
JP
Japan
Prior art keywords
hollow tube
bed
hole
cleaning adapter
hammer
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
JP17764086U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0629268Y2 (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 JP17764086U priority Critical patent/JPH0629268Y2/ja
Publication of JPS63176194U publication Critical patent/JPS63176194U/ja
Application granted granted Critical
Publication of JPH0629268Y2 publication Critical patent/JPH0629268Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP17764086U 1986-11-18 1986-11-18 中空管構造の掘削用ドリル Expired - Lifetime JPH0629268Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17764086U JPH0629268Y2 (ja) 1986-11-18 1986-11-18 中空管構造の掘削用ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17764086U JPH0629268Y2 (ja) 1986-11-18 1986-11-18 中空管構造の掘削用ドリル

Publications (2)

Publication Number Publication Date
JPS63176194U true JPS63176194U (enExample) 1988-11-15
JPH0629268Y2 JPH0629268Y2 (ja) 1994-08-10

Family

ID=31119030

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17764086U Expired - Lifetime JPH0629268Y2 (ja) 1986-11-18 1986-11-18 中空管構造の掘削用ドリル

Country Status (1)

Country Link
JP (1) JPH0629268Y2 (enExample)

Also Published As

Publication number Publication date
JPH0629268Y2 (ja) 1994-08-10

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