JPH0630947Y2 - 削孔装置 - Google Patents

削孔装置

Info

Publication number
JPH0630947Y2
JPH0630947Y2 JP6677288U JP6677288U JPH0630947Y2 JP H0630947 Y2 JPH0630947 Y2 JP H0630947Y2 JP 6677288 U JP6677288 U JP 6677288U JP 6677288 U JP6677288 U JP 6677288U JP H0630947 Y2 JPH0630947 Y2 JP H0630947Y2
Authority
JP
Japan
Prior art keywords
shank rod
water
drilling
cleaning adapter
hole
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 - Lifetime
Application number
JP6677288U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01174489U (enrdf_load_stackoverflow
Inventor
澄男 中野
剛 小林
Original Assignee
成和機工株式会社
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 成和機工株式会社 filed Critical 成和機工株式会社
Priority to JP6677288U priority Critical patent/JPH0630947Y2/ja
Publication of JPH01174489U publication Critical patent/JPH01174489U/ja
Application granted granted Critical
Publication of JPH0630947Y2 publication Critical patent/JPH0630947Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP6677288U 1988-05-23 1988-05-23 削孔装置 Expired - Lifetime JPH0630947Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6677288U JPH0630947Y2 (ja) 1988-05-23 1988-05-23 削孔装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6677288U JPH0630947Y2 (ja) 1988-05-23 1988-05-23 削孔装置

Publications (2)

Publication Number Publication Date
JPH01174489U JPH01174489U (enrdf_load_stackoverflow) 1989-12-12
JPH0630947Y2 true JPH0630947Y2 (ja) 1994-08-22

Family

ID=31292162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6677288U Expired - Lifetime JPH0630947Y2 (ja) 1988-05-23 1988-05-23 削孔装置

Country Status (1)

Country Link
JP (1) JPH0630947Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2593040Y2 (ja) * 1992-01-17 1999-03-31 株式会社和工 シャンクロッド破損防止構造

Also Published As

Publication number Publication date
JPH01174489U (enrdf_load_stackoverflow) 1989-12-12

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