JPH0411766Y2 - - Google Patents

Info

Publication number
JPH0411766Y2
JPH0411766Y2 JP1989027066U JP2706689U JPH0411766Y2 JP H0411766 Y2 JPH0411766 Y2 JP H0411766Y2 JP 1989027066 U JP1989027066 U JP 1989027066U JP 2706689 U JP2706689 U JP 2706689U JP H0411766 Y2 JPH0411766 Y2 JP H0411766Y2
Authority
JP
Japan
Prior art keywords
hole
main body
wedge center
cutting
stop ring
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
JP1989027066U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01161004U (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 JP1989027066U priority Critical patent/JPH0411766Y2/ja
Publication of JPH01161004U publication Critical patent/JPH01161004U/ja
Application granted granted Critical
Publication of JPH0411766Y2 publication Critical patent/JPH0411766Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling And Boring (AREA)
JP1989027066U 1989-03-08 1989-03-08 Expired JPH0411766Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989027066U JPH0411766Y2 (en]) 1989-03-08 1989-03-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989027066U JPH0411766Y2 (en]) 1989-03-08 1989-03-08

Publications (2)

Publication Number Publication Date
JPH01161004U JPH01161004U (en]) 1989-11-08
JPH0411766Y2 true JPH0411766Y2 (en]) 1992-03-24

Family

ID=31249250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989027066U Expired JPH0411766Y2 (en]) 1989-03-08 1989-03-08

Country Status (1)

Country Link
JP (1) JPH0411766Y2 (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5735650A (en) * 1995-02-28 1998-04-07 Kabushiki Kaisha Miyanaga Drill bit for drilling an undercut hole

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850855A (ja) * 1981-09-22 1983-03-25 Fujitsu Ltd 画像処理方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5735650A (en) * 1995-02-28 1998-04-07 Kabushiki Kaisha Miyanaga Drill bit for drilling an undercut hole

Also Published As

Publication number Publication date
JPH01161004U (en]) 1989-11-08

Similar Documents

Publication Publication Date Title
EP0395335B1 (en) Bit for drilling an undercut hole
US4307636A (en) Undercutting tool
GB2157207A (en) Undercutting drill
JPH0411766Y2 (en])
JP2862807B2 (ja) アンダーカット部付き孔の穿孔装置
JPH0110174Y2 (en])
JP3098209B2 (ja) アンダーカット部付き孔の穿孔装置
JP2862830B2 (ja) アンダーカット部付き孔の穿孔装置
JPH0118329Y2 (en])
JPH0236651Y2 (en])
CN211692322U (zh) 一种扩底钻头
JP2000120365A (ja) 拡孔用工具
JP2675259B2 (ja) アンダーカット部付き孔の穿孔装置
JPH0414166Y2 (en])
JP2591823B2 (ja) アンカーボルト植設用孔の拡径部削成装置
JPH067846Y2 (ja) アンダーカットドリルの穿孔位置調整機構
JPH0110173Y2 (en])
JPH0314242Y2 (en])
JPS60191706A (ja) 拡径孔部削成装置
JPH0829445B2 (ja) 上向き拡径孔部削成装置
JP2504765B2 (ja) 上向き拡径孔部削成装置
JP2003082662A (ja) アンカーおよびアンカー施工方法
EP0467582B1 (en) Improvements in drills
JPH0133631B2 (en])
JPH0239688Y2 (en])